http://publicationslist.org/data/giuseppe.rizzo/atom.xml Giuseppe Rizzohttp://publicationslist.org/giuseppe.rizzo$basepathfavicon.icoRecent additions to Giuseppe Rizzo's PublicationsList.org pagehttp://publicationslist.org/publications.png2009-01-10T12:38:35Z http://publicationslist.org/giuseppe.rizzo/refid6 2009-01-10T10:26:03Z

OBJECTIVE: The purpose of this study was to test the possibility of diagnosing ventricular septal defects (VSDs) by using tomographic ultrasound imaging (TUI) on 4-dimensional volumes of the fetal chest obtained with spatiotemporal image correlation and the color Doppler function. METHODS: We retrospectively evaluated the 4-dimensional spatiotemporal image correlation volumes of 8 fetuses with VSD...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Marianne Vendola, Maria Elena Pietrolucci, Domenico Arduini (2008) <i>J Ultrasound Med</i> <i></i> <i></i> 27: 7 1071-1075<br/>

http://publicationslist.org/giuseppe.rizzo/refid5 2009-01-10T10:26:03Z

OBJECTIVE: To prospectively analyze the accuracy and rapidity of four-dimensional (4D) ultrasonography with spatiotemporal image correlation (STIC) in the assessment of four-chamber view and outflow tracts in unselected fetuses and in fetuses with congenital heart defects (CHD) at 19-23 weeks of gestation. MATERIALS AND METHODS: 112 consecutive pregnancies undergoing routine second-trimester ultra...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Andrea Muscatello, Ottavia Cavicchioni, Marianne Vendola, Domenico Arduini (2008) <i>Fetal Diagn Ther</i> <i></i> <i></i> 24: 2 126-131<br/>

http://publicationslist.org/giuseppe.rizzo/refid4 2009-01-10T10:26:03Z

OBJECTIVE: A low combined cardiac output (CCO) to the placenta (placenta/CCO fraction) has been reported in growth-restricted (IUGR) fetuses, but the temporal sequence of these modifications in relation to other changes in the fetal circulation is unknown. The aim of this study was to evaluate the placenta/CCO fraction in relation to other hemodynamic changes in fetuses at risk of developing IUGR....<br/><br/>G Rizzo, A Capponi, O Cavicchioni, M Vendola, D Arduini (2008) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 32: 2 155-159<br/>

http://publicationslist.org/giuseppe.rizzo/refid7 2009-01-10T10:26:03Z

G Rizzo, A Capponi, M E Pietrolucci, D Arduini (2008) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 32: 1 111-112<br/>

http://publicationslist.org/giuseppe.rizzo/refid8 2009-01-10T10:26:03Z

OBJECTIVE: The purpose of this study was to assess, in second-trimester fetuses with transposition of the great arteries (TGA), the performance of software (sonographically based volume computer-aided analysis) that automatically retrieves diagnostic cardiac planes from a 4-dimensional volume of the fetal chest obtained with spatiotemporal image correlation. METHODS: We retrospectively evaluated t...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Ottavia Cavicchioni, Marianne Vendola, Maria E Pietrolucci, Domenico Arduini (2008) <i>J Ultrasound Med</i> <i></i> <i></i> 27: 5 771-6; quiz 777<br/>

http://publicationslist.org/giuseppe.rizzo/refid13 2009-01-10T10:26:03Z

OBJECTIVE: To compare the efficacy of uterine artery Doppler velocimetry and three-dimensional ultrasound placental volume calculation alone or in combination in predicting at 11-14 weeks of gestation those pregnancies who will develop pre-eclampsia. STUDY DESIGN: This was a prospective study of 348 nulliparous women scheduled for a routine prenatal ultrasound examination at 11-14 weeks. Color and...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Ottavia Cavicchioni, Marianne Vendola, Domenico Arduini (2008) <i>Eur J Obstet Gynecol Reprod Biol</i> <i></i> <i></i> 138: 2 147-151<br/>

http://publicationslist.org/giuseppe.rizzo/refid9 2009-01-10T10:26:03Z

Giuseppe Rizzo, Domenico Arduini, Alessandra Capponi (2008) <i>J Ultrasound Med</i> <i></i> <i></i> 27: 3 497-498<br/>

http://publicationslist.org/giuseppe.rizzo/refid2 2009-01-10T10:26:03Z

OBJECTIVE: To evaluate the incidence of abnormalities in velocity waveforms from ductus venosus (DV) and aortic isthmus (AoI) in fetuses with intrauterine growth restriction (IUGR) and their reciprocal temporal relationship. METHODS: DV and AoI velocity waveforms were recorded in 31 IUGR fetuses characterized either by absent end diastolic (20) or reverse flow (11) in umbilical artery. Abnormal ve...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Marianne Vendola, Maria Elena Pietrolucci, Domenico Arduini (2008) <i>Prenat Diagn</i> <i></i> <i></i> 28: 11 1042-1047<br/>

http://publicationslist.org/giuseppe.rizzo/refid3 2009-01-10T10:26:03Z

OBJECTIVE: Aortic isthmus (AoI) velocity waveforms are considered powerful indicators of hemodynamic deterioration in intrauterine growth-restricted (IUGR) fetuses. However, technical difficulties in sampling AoI velocity waveforms from the longitudinal aortic arch (LAA) have limited its clinical application thus far. In this study, we tested the possibility of recording AoI velocity waveforms fro...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Marianne Vendola, Maria Elena Pietrolucci, Domenico Arduini (2008) <i>J Ultrasound Med</i> <i></i> <i></i> 27: 11 1617-1622<br/>

http://publicationslist.org/giuseppe.rizzo/refid1 2009-01-10T10:26:58Z

OBJECTIVE: We sought to establish the effect of maternal smoking on placental volume and vascularization in early gestation. STUDY DESIGN: Three-dimensional power Doppler ultrasonography of the placenta was performed at 11+0 to 13+6 weeks in 80 pregnancies categorized according to cigarette consumption: group A never smoked, B smoking < 10 cigarettes/day, C smoking 10-20 cigarettes/day, and D smok...<br/><br/> Rizzo, Capponi, Pietrolucci, Arduini (2008) <i>Am J Obstet Gynecol</i> : <br/>

http://publicationslist.org/giuseppe.rizzo/refid122 2009-01-10T10:45:15Z

Giuseppe Rizzo, Fabrizio Taddei, Domenico Arduini (2008) :<br/>

http://publicationslist.org/giuseppe.rizzo/refid10 2009-01-10T10:26:03Z

OBJECTIVE: To assess the agreement of stroke volume (SV) measured with two-dimensional (2D) ultrasonography with Doppler capability (vs) four-dimensional (4D) with spatiotemporal image correlation (STIC) in normal and growth restricted fetuses. METHODS: 2D Doppler and 4D STIC were used to measure SV of 40 normal fetuses at 20 to 22 and 28 to 32 weeks, and 16 growth-restricted fetuses at 26 to 34 w...<br/><br/>Giuseppe Rizzo, Alessandra Capponi, Ottavia Cavicchioni, Marianne Vendola, Domenico Arduini (2007) <i>Prenat Diagn</i> <i></i> <i></i> 27: 12 1147-1150<br/>

http://publicationslist.org/giuseppe.rizzo/refid14 2009-01-10T10:26:03Z

OBJECTIVE: To establish the potential role of three-dimensional (3D) power Doppler evaluation of the placental circulation in aneuploidy screening at 11 to 13 + 6 weeks of gestation. METHODS: 3D power Doppler ultrasound examination of the placenta was performed in 25 pregnancies with fetuses with abnormal karyotype and in 100 control pregnancies at 11 to 13 + 6 weeks of gestation. Using the same p...<br/><br/>G Rizzo, A Capponi, O Cavicchioni, M Vendola, D Arduini (2007) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 30: 3 259-262<br/>

http://publicationslist.org/giuseppe.rizzo/refid113 2009-01-10T10:26:03Z

Giuseppe Rizzo, Alessandra Capponi (2007) <i>Prenat Diagn</i> <i></i> <i></i> 27: 6 581-582<br/>

http://publicationslist.org/giuseppe.rizzo/refid126 2009-01-10T11:14:26Z

Gianni Monni, Pasquale Martinelli, Fabrizio Taddei, Giuseppe Canzone, Paolo Volpe, Dario Paladini, Giuseppe Rizzo, Maria Angela Rustico, Elsa Viora Maria Angelica Zoppi (2003) :<br/>

http://publicationslist.org/giuseppe.rizzo/refid114 2009-01-10T10:26:03Z

OBJECTIVE: To evaluate cardiac function in structurally and chromosomally normal fetuses with increased nuchal translucency (NT). METHODS: Forty-two structurally and chromosomally normal fetuses with increased NT at 11-14 weeks of gestation underwent fetal echocardiographic examination at 20-23 weeks. Fifty fetuses with normal NT values were considered as controls. Pulmonary and aortic peak veloci...<br/><br/>G Rizzo, A Muscatello, E Angelini, A Capponi (2003) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 21: 6 539-542<br/>

http://publicationslist.org/giuseppe.rizzo/refid15 2009-01-10T10:22:21Z

Intrauterine growth retardation is a pathology which is found in 3-10% of all pregnancies and it is associated with around 20-25% of all fetal intrauterine deaths and with long-term neurologic sequelae. It presents an increased risk of distress during labor and delivery and a greater risk of perinatal mortality. The causes of IUGR and the cardiac and venous Doppler in normal fetuses are analyzed, ...<br/><br/>F M Severi, G Rizzo, C Bocchi, D D'Antona, M S Verzuri, D Arduini (2000) <i>Fetal Diagn Ther</i> <i></i> <i></i> 15: 1 8-19<br/>

http://publicationslist.org/giuseppe.rizzo/refid123 2009-01-10T10:54:23Z

Kypros H Nicolaides. Giuseppe Rizzo, Kurt Hecher (2000) :<br/>

http://publicationslist.org/giuseppe.rizzo/refid115 2009-01-10T10:26:03Z

OBJECTIVES: To measure fetal peripheral pulmonary artery velocity waveforms by Doppler ultrasonography in pregnancies complicated by premature rupture of membranes under 24 weeks' gestation and to relate the Doppler indices to the development of fetal pulmonary hypoplasia. DESIGN: A prospective longitudinal study of fetal peripheral pulmonary artery velocity waveforms from premature rupture of mem...<br/><br/>G Rizzo, A Capponi, E Angelini, A Mazzoleni, C Romanini (2000) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 15: 2 98-103<br/>

http://publicationslist.org/giuseppe.rizzo/refid117 2009-01-10T10:26:03Z

OBJECTIVE: Interleukin-8 concentrations in cervical secretions have been related to microbial invasion of the amniotic cavity and histological chorioamnionitis. Since a short uterine cervix may be a risk factor for intrauterine infection, we set out to determine the interrelationship between cervical-secretion interleukin-8 concentration, cervical length measured by transvaginal sonography and int...<br/><br/>G Rizzo, A Capponi, A Vlachopoulou, E Angelini, C Grassi, C Romanini (1998) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 12: 2 86-92<br/>

http://publicationslist.org/giuseppe.rizzo/refid119 2009-01-10T10:26:03Z

The objective of this study was to compare the value of ultrasonographic assessment of the uterine cervix and amniotic fluid tests in the prediction of the interval from admission to delivery in patients with preterm premature rupture of membranes. Ninety-two patients admitted to the hospital for preterm premature rupture of membranes between 24 and 32 weeks of gestation underwent both transabdomi...<br/><br/>G Rizzo, A Capponi, E Angelini, A Vlachopoulou, C Grassi, C Romanini (1998) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 11: 1 23-29<br/>

http://publicationslist.org/giuseppe.rizzo/refid118 2009-01-10T10:26:03Z

The objective of this study was to determine the value of interleukin-6 (IL-6) in cervical secretion to diagnose microbial invasion of the amniotic cavity in patients with premature rupture of the membranes. Cervical secretions were sampled immediately before amniocentesis in 124 patients with singleton pregnancies and preterm premature rupture of the membranes. Gestational age ranged between 24 a...<br/><br/>G Rizzo, A Capponi, A Vlachopoulou, E Angelini, C Grassi, C Romanini (1998) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 46: 2 91-95<br/>

http://publicationslist.org/giuseppe.rizzo/refid116 2009-01-10T10:26:03Z

> At present preterm delivery is the leading cause of perinatal morbidity and mortality and its incidence is remained stable during the past 10 years. Conventional methods of identifying patients at risk of preterm delivery such as obstetrics history, demographic factors or evaluation of uterine contractions and cervix by digital examination show disappointintly low sensitivity and positive predic...<br/><br/> Rizzo, Capponi, Angelini, Romanini (1998) <i>J Matern Fetal Investig</i> <i></i> <i></i> 8: 4 150-155<br/>

http://publicationslist.org/giuseppe.rizzo/refid18 2009-01-10T10:26:03Z

OBJECTIVE: To determine whether blood levels of atrial natriuretic peptide in small for gestational age (SGA) fetuses are related to Doppler indices measured in arterial and venous vessels. METHODS: Atrial natriuretic peptide was assayed in fetal blood obtained at funipuncture in 42 third-trimester fetuses, of whom 11 were appropriate for gestational age (AGA) and 31 were SGA. Small for gestationa...<br/><br/>A Capponi, G Rizzo, C De Angelis, D Arduini, C Romanini (1997) <i>Obstet Gynecol</i> <i></i> <i></i> 89: 2 242-247<br/>

http://publicationslist.org/giuseppe.rizzo/refid17 2009-01-10T10:26:03Z

OBJECTIVE: Our purpose was to relate velocity waveforms from the splenic artery with pH and blood gas levels measured at cordocentesis in small-for-gestational-age fetuses and to compare the diagnostic efficiency of splenic artery waveforms with that of other fetal arterial and venous vessels in predicting acid-base status. STUDY DESIGN: Cross-sectional recordings from the splenic artery were obta...<br/><br/>A Capponi, G Rizzo, D Arduini, C Romanini (1997) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 176: 2 300-307<br/>

http://publicationslist.org/giuseppe.rizzo/refid16 2009-01-10T10:26:03Z

OBJECTIVE: Percutaneous umbilical blood sampling induces a marked decrease of impedance to flow in the umbilical artery. Because these changes are believed to be the result of the release of prostanoids, we conducted a study to determine whether indomethacin administration before percutaneous umbilical blood sampling affects the hemodynamic response induced by this procedure. STUDY DESIGN: Percuta...<br/><br/>A Capponi, G Rizzo, L Pasquini, E Turri, D Arduini, C Romanini (1997) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 177: 4 758-764<br/>

http://publicationslist.org/giuseppe.rizzo/refid120 2009-01-10T10:26:03Z

The objectives of this study were 1) to evaluate interleukin-8 concentrations in cervical secretions in predicting preterm delivery, microbial invasion of the amniotic cavity and histologic chorioamnionitis in patients with preterm labor and intact membranes and 2) to compare the diagnostic value of interleukin-8 with fetal fibronectin determinations in predicting preterm delivery, microbial invas...<br/><br/>G Rizzo, A Capponi, A Vlachopoulou, E Angelini, C Grassi, C Romanini (1997) <i>J Perinat Med</i> <i></i> <i></i> 25: 6 461-468<br/>

http://publicationslist.org/giuseppe.rizzo/refid27 2009-01-10T10:26:03Z

This study was performed to investigate whether fetal blood sampling and/or transplacental puncture are associated with changes of blood flow velocity waveforms in umbilical artery and fetal circulation. The pulsatility index (PI) was measured from umbilical artery, thoracic descending aorta, renal artery, and middle cerebral artery immediately before and after fetal blood sampling (n = 28) or thi...<br/><br/>A Capponi, G Rizzo, D Rinaldo, D Arduini, C Romanini (1996) <i>Am J Perinatol</i> <i></i> <i></i> 13: 3 185-190<br/>

http://publicationslist.org/giuseppe.rizzo/refid26 2009-01-10T10:26:03Z

G Rizzo, A Capponi, L Pasquini, D Arduini, C Romanini (1996) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 7: 4 299-300<br/>

http://publicationslist.org/giuseppe.rizzo/refid25 2009-01-10T10:26:03Z

The objective of this study was to assess the value of Doppler indices calculated from the inferior vena cava and ductus venosus in the identification of acidemia and hypoxemia as determined by pH and gas analysis of fetal blood obtained by cordocentesis in growth-retarded fetuses. Doppler measurements were performed in the inferior vena cava and ductus venosus in 209 normally grown fetuses and in...<br/><br/>G Rizzo, A Capponi, P E Talone, D Arduini, C Romanini (1996) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 7: 6 401-410<br/>

http://publicationslist.org/giuseppe.rizzo/refid30 2009-01-10T10:26:03Z

The objective of this study was to analyze the effects of cordocentesis on velocity waveforms recorded from the inferior vena cava and to evaluate differences, if any, in the hemodynamic response between normally grown and growth-retarded fetuses. Twenty-five normally grown fetuses and 20 growth-retarded fetuses were considered for this study. This latter group was characterized by abnormal Dopple...<br/><br/>A Capponi, G Rizzo, D Rinaldo, D Arduini, C Romanini (1996) <i>Biol Neonate</i> <i></i> <i></i> 70: 2 84-90<br/>

http://publicationslist.org/giuseppe.rizzo/refid24 2009-01-10T10:26:03Z

G Rizzo, A Capponi, D Rinaldo, D Arduini, C Romanini (1996) <i>Br J Obstet Gynaecol</i> <i></i> <i></i> 103: 8 834-837<br/>

http://publicationslist.org/giuseppe.rizzo/refid29 2009-01-10T10:26:03Z

Flow velocity waveforms were recorded by Doppler ultrasonography from the uterine arteries, umbilical artery, thoracic descending aorta, renal artery and middle cerebral artery in fetuses of 57 pregnancies complicated by preterm labor with intact membranes. The uterine artery resistance index was significantly increased in patients with preterm labor when compared to reference limits for gestation...<br/><br/>G Rizzo, A Capponi, D Arduini, E Turri, C Romanini (1996) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 42: 3 163-166<br/>

http://publicationslist.org/giuseppe.rizzo/refid28 2009-01-10T10:26:03Z

Objective of this study was to establish the relationship in growth retarded fetuses between acid-base status in fetal blood obtained by cordocentesis and time interval between blood sampling and occurrence of antepartum heart rate late decelerations. Eighteen growth retarded fetuses scheduled for cordocentesis were considered for this study. All fetuses were free from structural and chromosomal a...<br/><br/>D Arduini, G Rizzo, A Capponi, D Rinaldo, C Romanini (1996) <i>J Perinat Med</i> <i></i> <i></i> 24: 6 601-607<br/>

http://publicationslist.org/giuseppe.rizzo/refid23 2009-01-10T10:26:03Z

The objective of this study was to describe blood flow velocity waveforms of fetal peripheral pulmonary arteries in normally grown and growth-retarded fetuses. Doppler studies were performed in 182 normally grown fetuses (gestational age 18-40 weeks) and in 61 growth-retarded fetuses (gestational age 24-36 weeks) that were free from structural and chromosomal abnormalities and whose umbilical and ...<br/><br/>G Rizzo, A Capponi, R Chaoui, F Taddei, D Arduini, C Romanini (1996) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 8: 2 87-92<br/>

http://publicationslist.org/giuseppe.rizzo/refid19 2009-01-10T10:26:03Z

The objective of this study was to evaluate the effect of fetal blood sampling on atrioventricular blood flow velocity waveforms. Flow velocity waveforms were measured from mitral and tricuspid valve immediately before and after fetal blood sampling in 25 normally grown and 10 growth-retarded fetuses. This latter group was characterized by abnormal Doppler indices in umbilical artery and middle ce...<br/><br/>A Capponi, G Rizzo, L Pasquini, D Arduini, C Romanini (1996) <i>Am J Perinatol</i> <i></i> <i></i> 13: 8 507-512<br/>

http://publicationslist.org/giuseppe.rizzo/refid21 2009-01-10T10:26:03Z

OBJECTIVE: The objectives of this study were to determine whether cytokine levels in cervical secretions were increased in the presence of microbial invasion of the amniotic cavity in patients with preterm labor and intact membranes and to relate concentrations to cytokine levels in amniotic fluid, cervicovaginal microflora, and the presence of chorioamnionitis. STUDY DESIGN: Cervical secretions w...<br/><br/>G Rizzo, A Capponi, D Rinaldo, D Tedeschi, D Arduini, C Romanini (1996) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 175: 4 Pt 1 812-817<br/>

http://publicationslist.org/giuseppe.rizzo/refid20 2009-01-10T10:26:03Z

OBJECTIVE: We compared the diagnostic performances of fetal fibronectin assay of cervical and vaginal secretions and of transvaginal ultrasonographic evaluation of the uterine cervix in the prediction of preterm delivery of patients presenting with preterm labor and intact membranes. STUDY DESIGN: One hundred eight patients admitted to the hospital for preterm labor and with intact membranes under...<br/><br/>G Rizzo, A Capponi, D Arduini, C Lorido, C Romanini (1996) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 175: 5 1146-1151<br/>

http://publicationslist.org/giuseppe.rizzo/refid22 2009-01-10T10:26:03Z

OBJECTIVE: The purpose of this study was to evaluate whether cordocentesis is associated with the release of vasoactive substances and whether there are differences between normally grown and growth-restricted fetuses. STUDY DESIGN: 6-Keto-prostaglandin F1 alpha (the stable metabolite of prostacyclin), endothelin-1, and cyclic guanosine monophosphate were measured in fetal blood at the beginning a...<br/><br/>G Rizzo, A Capponi, D Rinaldo, D Arduini, C Romanini (1996) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 175: 3 Pt 1 563-570<br/>

http://publicationslist.org/giuseppe.rizzo/refid37 2009-01-10T10:26:03Z

The objective of this study was to establish the effect of thyrotropin releasing hormone on the fetal circulation of appropriately grown and growth-retarded fetuses. Doppler recordings were performed immediately before and 15 min after maternal administration of 400 micrograms of thyrotropin releasing hormone in 14 women with appropriately grown and 19 with growth-retarded fetuses. Furthermore, in...<br/><br/>G Rizzo, A Capponi, D Rinaldo, D Arduini, C Romanini (1995) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 6: 1 8-14<br/>

http://publicationslist.org/giuseppe.rizzo/refid36 2009-01-10T10:26:03Z

A case of pyloric atresia diagnosed in the third trimester is described. Real-time ultrasonographic examination revealed polyhydramnios, enlarged stomach, evident gastric peristalsis and esophageal dilatation. Color and pulsed Doppler studies of the gastroesophageal junction revealed the presence of a biphasic flow pattern that was consistent with gastroesophageal reflux.<br/><br/>G Rizzo, A Capponi, D Arduini, C Romanini (1995) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 6: 4 290-292<br/>

http://publicationslist.org/giuseppe.rizzo/refid38 2009-01-10T10:22:21Z

To assess the efficacy of the Doppler velocimetry of the uterine and umbilical arteries as a screening test for preeclampsia and fetal growth retardation, we studied 916 low risk pregnancies. The S/D ratios of the uterine and umbilical arteries were obtained at 19 to 24 weeks and at 26 to 31 weeks of gestational age. Mean values, receiver operator curves, and the diagnostic accuracy of the tests w...<br/><br/>T Todros, E Ferrazzi, D Arduini, S Bastonero, V Bezzeccheri, M Biolcati, B Bonazzi, S Gabrielli, G L Pilu, G Rizzo (1995) <i>J Ultrasound Med</i> <i></i> <i></i> 14: 5 343-348<br/>

http://publicationslist.org/giuseppe.rizzo/refid127 2009-01-10T11:17:38Z

Domenico Arduini, Giuseppe Rizzo, Carlo Romanini (1995) :<br/>

http://publicationslist.org/giuseppe.rizzo/refid35 2009-01-10T10:26:03Z

The objective of this study was to investigate the effects in early gestation of retroplacental hematomas on Doppler indices measured in different fetal vascular districts and to relate these changes, if any, to the volume of hematoma and pregnancy outcome. Thirty-eight pregnancies complicated by bleeding and ultrasonographic findings of retroplacental hematomas were considered for this study. Men...<br/><br/>G Rizzo, A Capponi, M Soregaroli, D Arduini, C Romanini (1995) <i>J Clin Ultrasound</i> <i></i> <i></i> 23: 9 525-529<br/>

http://publicationslist.org/giuseppe.rizzo/refid40 2009-01-10T10:26:03Z

The objective of this study was to evaluate the effect of fetal blood sampling on ductus venosus hemodynamics. A secondary objective was to establish the relationship between the amplitude of these changes, if any, and different variables related either to the procedure of sampling or to fetal characteristics. The ratio was assessed between the systolic and atrial velocities from the ductus venosu...<br/><br/>A Capponi, G Rizzo, D Rinaldo, D Arduini, C Romanini (1995) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 5: 4 241-246<br/>

http://publicationslist.org/giuseppe.rizzo/refid39 2009-01-10T10:26:03Z

The objective of this study was to determine whether in growth-retarded fetuses secondary to uteroplacental insufficiency the cardiac ventricles exert a force different from that of appropriately grown fetuses. Doppler echocardiographic studies were performed in 156 appropriately grown fetuses (gestational age 18-38 weeks) and in 72 growth-retarded fetuses (gestational age 24-36 weeks) free from s...<br/><br/>G Rizzo, A Capponi, D Rinaldo, D Arduini, C Romanini (1995) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 5: 4 247-255<br/>

http://publicationslist.org/giuseppe.rizzo/refid41 2009-01-10T10:26:03Z

The objective of this study was to examine the acid-base status in blood obtained at cordocentesis in growth-retarded fetuses with absent end-diastolic velocity in the umbilical artery and divided according to the presence or absence of pulsations in the umbilical vein. Twenty-six growth-retarded fetuses free from structural and chromosomal abnormalities were considered for this study. All the fet...<br/><br/>G Rizzo, A Capponi, M Soregaroli, D Arduini, C Romanini (1995) <i>Biol Neonate</i> <i></i> <i></i> 68: 3 163-168<br/>

http://publicationslist.org/giuseppe.rizzo/refid34 2009-01-10T10:26:03Z

The objective of this study was to evaluate the effect of fetal blood sampling on cardiac flow velocity waveforms. Flow velocity waveforms were measured from the ascending aorta and pulmonary artery immediately before and after fetal blood sampling in 29 normally grown and 12 growth-retarded fetuses. The latter group was characterized by abnormal Doppler indices in the umbilical artery and middle ...<br/><br/>A Capponi, G Rizzo, D Rinaldo, D Arduini, C Romanini (1995) <i>Prenat Diagn</i> <i></i> <i></i> 15: 11 1007-1016<br/>

http://publicationslist.org/giuseppe.rizzo/refid121 2009-01-10T10:26:03Z

The objectives of this study were (1) to detect vasoactive intestinal polypeptide in fetal blood obtained by cordocentesis (2) to examine possible changes in growth retarded fetuses and to establish relationships between its levels and fetal blood acid-base status as well as fetal haemodynamics as assessed by Doppler ultrasonography. Vasoactive intestinal polypeptide was measured in umbilical vein...<br/><br/>G Rizzo, P Montuschi, A Capponi, C Romanini (1995) <i>Early Hum Dev</i> <i></i> <i></i> 41: 1 69-77<br/>

http://publicationslist.org/giuseppe.rizzo/refid124 2009-01-10T10:57:40Z

Domenico Arduini, Giuseppe Rizzo, Carlo Romanini (1995) :<br/>

http://publicationslist.org/giuseppe.rizzo/refid31 2009-01-10T10:26:03Z

OBJECTIVE: To assess the value of Doppler indices, calculated from fetal arterial peripheral vessels, cardiac outflow tracts and venous vessels, in the identification of acidaemia, hypercapnia and hypoxaemia as determined by pH and gas analysis of fetal blood obtained by cordocentesis in growth retarded fetuses. DESIGN: Doppler measurements were taken from umbilical artery, thoracic descending aor...<br/><br/>G Rizzo, A Capponi, D Arduini, C Romanini (1995) <i>Br J Obstet Gynaecol</i> <i></i> <i></i> 102: 12 963-969<br/>

http://publicationslist.org/giuseppe.rizzo/refid33 2009-01-10T10:26:03Z

G Rizzo, A Capponi, D Rinaldo, D Arduini, C Romanini (1995) <i>Prenat Diagn</i> <i></i> <i></i> 15: 11 1087-1088<br/>

http://publicationslist.org/giuseppe.rizzo/refid32 2009-01-10T10:26:03Z

OBJECTIVE: Our purpose was to determine whether in early gestation cardiac and venous blood flow patterns of fetuses of insulin-dependent diabetic mothers differ from those of normal fetuses. STUDY DESIGN: Serial recordings were obtained at 12, 16, and 20 weeks of gestation in 11 normal fetuses, 16 fetuses of insulin-dependent diabetic mothers with first-trimester glycosylated hemoglobin levels < ...<br/><br/>G Rizzo, D Arduini, A Capponi, C Romanini (1995) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 173: 6 1775-1781<br/>

http://publicationslist.org/giuseppe.rizzo/refid50 2009-01-10T10:26:03Z

The objective of this study was to evaluate whether Braxton-Hicks contractions induce changes in fetal heart rate variation in normal and growth-retarded fetuses. 110 uncomplicated singleton pregnancies were cross-sectionally studied as well as 16 pregnancies complicated by fetal growth retardation secondary to uteroplacental insufficiency. Fetal heart rate variability was analyzed by a commercial...<br/><br/>D Arduini, G Rizzo, D Rinaldo, A Capponi, G Fittipaldi, F Giannini, C Romanini (1994) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 38: 3 177-182<br/>

http://publicationslist.org/giuseppe.rizzo/refid49 2009-01-10T10:26:03Z

The objective of this study was to establish whether measurement of the transverse cerebellar diameter to determine gestational age differs in small-for-gestational-age fetuses with normal or abnormal Doppler velocity waveforms. Our secondary objective was to compare the efficacy of measurement of transverse cerebellar diameter with that of femur length in pregnancy dating among small-for-gestatio...<br/><br/>A Capponi, G Rizzo, A Pietropolli, D Rinaldo, D Arduini, C Romanini (1994) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 4: 2 104-108<br/>

http://publicationslist.org/giuseppe.rizzo/refid53 2009-01-10T10:22:21Z

D Arduini, G Rizzo, C Romanini (1994) <i>J Perinat Med</i> <i></i> <i></i> 22 Suppl 1: 22-27<br/>

http://publicationslist.org/giuseppe.rizzo/refid48 2009-01-10T10:26:03Z

Extracardiac and cardiac flow velocity waveforms were recorded in a severely growth-retarded fetus 1 day and a few hours before fetal death. At the first scan, the typical Doppler patterns of a growth-retarded fetus were found, but the brain-sparing effect was lost at the last examination and a huge tricuspid insufficiency was demonstrated.<br/><br/>G Rizzo, A Capponi, A Pietropolli, L M Bufalino, D Arduini, C Romanini (1994) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 4: 2 139-142<br/>

http://publicationslist.org/giuseppe.rizzo/refid52 2009-01-10T10:26:03Z

G Rizzo, A Pietropolli, A Capponi, C Cacciatore, L Bufalino, D Arduini, C Romanini (1994) <i>J Perinat Med</i> <i></i> <i></i> 22 Suppl 1: 46-50<br/>

http://publicationslist.org/giuseppe.rizzo/refid51 2009-01-10T10:26:03Z

In an effort to determine the factors influencing the abnormal ventricular filling patterns of fetuses of type I diabetic mothers, Doppler flow velocity waveforms were recorded from fetal atrioventricular valves in 37 pregnancies complicated by type I diabetes immediately before an elective cesarean section. The ratio between the peak velocities during early passive ventricular filling and active ...<br/><br/>G Rizzo, A Pietropolli, A Capponi, C Cacciatore, D Arduini, C Romanini (1994) <i>J Perinat Med</i> <i></i> <i></i> 22: 2 149-157<br/>

http://publicationslist.org/giuseppe.rizzo/refid47 2009-01-10T10:26:03Z

Reference limits for the PI from the umbilical, middle cerebral, and renal arteries were constructed using BPD, AC, FL, and transverse cerebellar diameter as independent variables and their efficacy tested in a population of SGA fetuses. Therefore, 153 normal fetuses and 90 SGA fetuses with established dates between 20 and 40 weeks of gestation were considered. Normal fetuses showed a linear negat...<br/><br/>G Rizzo, A Pietropolli, A Capponi, C Cacciatore, D Arduini, C Romanini (1994) <i>J Ultrasound Med</i> <i></i> <i></i> 13: 4 267-274<br/>

http://publicationslist.org/giuseppe.rizzo/refid46 2009-01-10T10:22:21Z

OBJECTIVE: Our purpose was to evaluate Doppler-detectable differences in the fetal circulation of discordant twins with a growth defect resulting from either placental insufficiency or twin-to-twin transfusion syndrome. STUDY DESIGN: Serial weekly Doppler recordings were performed for at least 3 weeks preceding delivery in 15 pairs of dichorionic twins (group A) in which the smaller twin had fetal...<br/><br/>G Rizzo, D Arduini, C Romanini (1994) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 170: 5 Pt 1 1321-1327<br/>

http://publicationslist.org/giuseppe.rizzo/refid43 2009-01-10T10:22:21Z

G Rizzo, D Arduini (1994) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 4: 5 <br/>

http://publicationslist.org/giuseppe.rizzo/refid42 2009-01-10T10:26:03Z

The objective of this study was to evaluate differences in ductus venosus velocity waveforms between appropriate and small for gestational age fetuses by using a new index based on the ratio between systolic and atrial peak velocities. Ductus venosus velocity waveforms were cross-sectionally recorded in 164 appropriate for gestational age fetuses at 16-42 weeks of gestation and in 97 small for ges...<br/><br/>G Rizzo, A Capponi, D Arduini, C Romanini (1994) <i>Early Hum Dev</i> <i></i> <i></i> 39: 1 15-26<br/>

http://publicationslist.org/giuseppe.rizzo/refid44 2009-01-10T10:26:03Z

OBJECTIVE: Our purpose was to evaluate the incidence and patterns of chromosomal abnormalities in fetuses with absent end-diastolic velocity in umbilical artery and to analyze maternal and fetal factors associated with abnormal karyotype. STUDY DESIGN: One hundred ninety-two fetuses of known karyotype with absent end-diastolic velocity in the umbilical artery at a gestational age > 20 weeks were c...<br/><br/>G Rizzo, A Pietropolli, A Capponi, D Arduini, C Romanini (1994) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 171: 3 827-831<br/>

http://publicationslist.org/giuseppe.rizzo/refid45 2009-01-10T10:26:03Z

The objective of this study was to establish whether variations of amniotic fluid volume induced by second-trimester amniocentesis could be detected by serial measurements of amniotic fluid index. A total of 130 singleton pregnancies undergoing second-trimester amniocentesis for genetic indications were considered. Amniotic fluid index was measured at three different time intervals: 30-60 min befo...<br/><br/>C Cacciatore, G Rizzo, A Pietropolli, A Capponi, L Bufalino, D Arduini, C Romanini (1994) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 4: 3 217-219<br/>

http://publicationslist.org/giuseppe.rizzo/refid56 2009-01-10T10:22:21Z

On the basis of the data obtained in sheep fetuses showing a high interdependence between umbilical vein oxygenation and ductus venosus flow, we investigated the effect of maternal hyperoxygenation on ductus venosus velocity waveforms in normal third-trimester human fetuses. Ductus venosus velocity waveforms were recorded by using color and pulsed Doppler ultrasonography before and after 15 min of...<br/><br/>M Soregaroli, G Rizzo, L Danti, D Arduini, C Romanini (1993) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 3: 2 115-119<br/>

http://publicationslist.org/giuseppe.rizzo/refid58 2009-01-10T10:22:21Z

We previously demonstrated a prognostic significance of maternal oxygen test in predicting imminent fetal distress. The purpose of this study was to investigate eventual other factors related to the length of the time interval elapsing between the Doppler diagnosis of brain sparing effect and abnormal fetal heart rate patterns. To this end we considered 101 growth-retarded fetuses free of structur...<br/><br/>D Arduini, G Rizzo, G G Garzetti, C Romanini (1993) <i>Biol Neonate</i> <i></i> <i></i> 63: 6 341-348<br/>

http://publicationslist.org/giuseppe.rizzo/refid54 2009-01-10T10:22:21Z

OBJECTIVE: To compare uterine artery resistance index values in twin and singleton pregnancies, to examine eventual modifications of these values in twin pregnancies complicated by gestational hypertension and preeclampsia, and to determine whether resistance index values in twin pregnancies could predict the development of gestational hypertension and preeclampsia. METHODS: In a cross-sectional s...<br/><br/>G Rizzo, D Arduini, C Romanini (1993) <i>Obstet Gynecol</i> <i></i> <i></i> 82: 6 978-983<br/>

http://publicationslist.org/giuseppe.rizzo/refid57 2009-01-10T10:22:21Z

OBJECTIVES: Our objectives were to evaluate the time interval elapsing between the occurrence of absent end-diastolic velocity in the umbilical artery and either the development abnormal fetal heart rate patterns or delivery and to establish the maternal and fetal factors that may affect this interval. STUDY DESIGN: Thirty-seven fetuses free of structural and chromosomal abnormalities in which the...<br/><br/>D Arduini, G Rizzo, C Romanini (1993) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 168: 1 Pt 1 43-50<br/>

http://publicationslist.org/giuseppe.rizzo/refid55 2009-01-10T10:22:21Z

Intrauterine growth retardation continues to be one of the major problems in obstetrics and still greatly contributes to perinatal mortality and morbidity. This paper reviews the role of Doppler ultrasonography in the antenatal assessment of fetuses with intrauterine growth retardation. Recent developments in this field are described with particular emphasis on the pathophysiologic background of t...<br/><br/>D Arduini, G Rizzo (1993) <i>Curr Opin Obstet Gynecol</i> <i></i> <i></i> 5: 2 195-203<br/>

http://publicationslist.org/giuseppe.rizzo/refid64 2009-01-10T10:22:21Z

A cystic lesion in the anterior upper part of the abdomen was detected in utero by ultrasonography. Color and pulsed Doppler studies performed over the mass revealed a marked turbulent flow through the cystic lesion in connection with the umbilical vein, suggesting the existence of an intra-abdominal ectasia of the umbilical vein.<br/><br/>G Rizzo, D Arduini (1992) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 2: 1 55-57<br/>

http://publicationslist.org/giuseppe.rizzo/refid63 2009-01-10T10:22:21Z

Thirty-six growth-retarded fetuses selected from a population of 214 cases were studied by Doppler ultrasonography at weekly intervals for at least 4 weeks between the diagnosis of Doppler abnormalities suggestive of the existence of the brain-sparing effect (ie, ratio between umbilical artery and middle cerebral artery pulsatility indexes [PIs] above the 95th percentile of our reference limits) t...<br/><br/>D Arduini, G Rizzo, C Romanini (1992) <i>Obstet Gynecol</i> <i></i> <i></i> 79: 4 605-610<br/>

http://publicationslist.org/giuseppe.rizzo/refid59 2009-01-10T10:22:21Z

G Rizzo, D Arduini, C Romanini (1992) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 2: 6 434-445<br/>

http://publicationslist.org/giuseppe.rizzo/refid62 2009-01-10T10:22:21Z

Reference ranges of inferior vena cava flow velocities were constructed from a cross-sectional study of 118 appropriate-for-gestational-age fetuses of 18 to 40 weeks of gestation. Blood flow velocity waveforms were recorded with color and pulsed Doppler equipment. Peak velocities and time velocity integrals were measured from inferior vena cava during systole, early diastole, and atrial contractio...<br/><br/>G Rizzo, D Arduini, C Romanini (1992) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 166: 4 1271-1280<br/>

http://publicationslist.org/giuseppe.rizzo/refid65 2009-01-10T10:22:21Z

Blood flow velocity waveforms were recorded from different vascular districts including umbilical artery, descending aorta, renal artery, internal carotid artery and middle cerebral artery in a population of 120 small for gestational age fetuses free from structural and chromosomal abnormalities. The pulsatility index from each vessel as well as the ratios between the pulsatility indices from peri...<br/><br/>D Arduini, G Rizzo (1992) <i>J Perinat Med</i> <i></i> <i></i> 20: 1 29-38<br/>

http://publicationslist.org/giuseppe.rizzo/refid61 2009-01-10T10:22:21Z

OBJECTIVES: To determine the growth patterns of the fetal heart and the development of cardiac function during gestation in fetuses of diabetic mothers, and to compare these findings with those of normal fetuses. METHODS: Serial M-mode and Doppler echocardiographic recordings were made at 4-week intervals in 14 fetuses of well-controlled type I insulin-dependent diabetic mothers and in ten control...<br/><br/>G Rizzo, D Arduini, C Romanini (1992) <i>Obstet Gynecol</i> <i></i> <i></i> 80: 3 Pt 1 369-376<br/>

http://publicationslist.org/giuseppe.rizzo/refid60 2009-01-10T10:22:21Z

OBJECTIVES: The purpose of this study was to establish the incidence of umbilical vein pulsations in normal early pregnancies and to evaluate whether these pulsations are related to Doppler-measured vascular resistances in umbilical artery or central venous flow patterns. STUDY DESIGN: We performed a cross-sectional study on 257 uneventful pregnancies at 7 to 16 weeks of gestation by means of tran...<br/><br/>G Rizzo, D Arduini, C Romanini (1992) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 167: 3 675-677<br/>

http://publicationslist.org/giuseppe.rizzo/refid72 2009-01-10T10:22:22Z

Cardiac function was cross-sectionally studied by means of M-mode and Doppler echocardiography in 40 fetuses of mothers with well-controlled insulin-dependent diabetes at 20 to 38 weeks of gestation. These variables were measured: interventricular septal thickness, ratio between the peak velocities during early passive ventricular filling and active atrial filling at the level of the atrioventricu...<br/><br/>G Rizzo, D Arduini, C Romanini (1991) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 164: 3 837-843<br/>

http://publicationslist.org/giuseppe.rizzo/refid74 2009-01-10T10:22:22Z

A longitudinal study was performed on 35 healthy fetuses in order to evaluate the developmental course of behavioural transitions during the last trimester of pregnancy. A progressive decrease in the duration of transitions as a function of gestational age was evidenced for both transitions from 1F to 2F and transitions from 2F to 1F. Concerning the sequence in change of behavioural variables (fet...<br/><br/>D Arduini, G Rizzo, M Massacesi, C Romanini, S Mancuso (1991) <i>J Perinat Med</i> <i></i> <i></i> 19: 1-2 67-72<br/>

http://publicationslist.org/giuseppe.rizzo/refid125 2009-01-10T11:11:00Z

Domenico Arduini Giuseppe Rizzo (1991) 3:<br/>

http://publicationslist.org/giuseppe.rizzo/refid71 2009-01-10T10:22:22Z

A transvaginal color and pulsed Doppler study was performed on 330 pregnancies at 7-16 weeks of gestation. Blood flow velocity waveforms were recorded from the main uterine arteries and their branches (arcuate and trophoblastic vessels) and from the umbilical arteries. The systolic/diastolic velocity ratio and the pulsatility index were calculated as indices of vascular resistance, respectively, a...<br/><br/>D Arduini, G Rizzo, C Romanini (1991) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 1: 3 180-185<br/>

http://publicationslist.org/giuseppe.rizzo/refid75 2009-01-10T10:22:22Z

The cardiac output was measured by means of Doppler echocardiography in four anencephalic fetuses during the late second or third trimester of pregnancy. Anencephalic fetuses showed a higher dominance of right ventricular output when compared to healthy fetuses, suggesting that the relationship between brain mass and body weight affects the distribution of cardiac output.<br/><br/>G Rizzo, D Arduini (1991) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 32: 1 33-35<br/>

http://publicationslist.org/giuseppe.rizzo/refid73 2009-01-10T10:22:22Z

Renal blood flow velocity waveforms were recorded by Doppler ultrasonography in 114 growth-retarded fetuses and in 97 post-term fetuses. The pulsatility index (PI) values were compared with our reference limits for gestational age and related to the amount of amniotic fluid. Growth-retarded fetuses showed significantly increased PI values compared with normally grown fetuses, and this difference w...<br/><br/>D Arduini, G Rizzo (1991) <i>Obstet Gynecol</i> <i></i> <i></i> 77: 3 370-373<br/>

http://publicationslist.org/giuseppe.rizzo/refid70 2009-01-10T10:22:22Z

One thousand singleton low-risk pregnancies were cross-sectionally studied at 36-40 weeks gestation with continuous-wave Doppler ultrasonography in order to assess its usefulness as an antepartum monitoring technique for the identification of fetuses at risk of developing an adverse outcome. Uterine artery and umbilical artery S/D values were measured and related to fetal outcome. Results were com...<br/><br/>D Arduini, G Rizzo, A Soliani, C Romanini (1991) <i>J Ultrasound Med</i> <i></i> <i></i> 10: 6 331-335<br/>

http://publicationslist.org/giuseppe.rizzo/refid67 2009-01-10T10:22:22Z

In order to establish the growth patterns of fetal limbs, measurements of femur, humerus, tibia, fibula, radius and ulna were made by ultrasound and related to gestational age. To this end, 2317 normal singleton pregnant women were studied cross-sectionally at 13-40 weeks of gestation. Patients were selected on the basis of a certain last menstrual period, history of regular cycles and at least on...<br/><br/>C Exacoustos, P Rosati, G Rizzo, D Arduini (1991) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 1: 5 325-330<br/>

http://publicationslist.org/giuseppe.rizzo/refid68 2009-01-10T10:22:22Z

D Arduini, G Rizzo (1991) <i>Ultrasound Obstet Gynecol</i> <i></i> <i></i> 1: 5 <br/>

http://publicationslist.org/giuseppe.rizzo/refid66 2009-01-10T10:22:22Z

Blood-flow velocity waveforms are altered in several peripheral vascular beds of fetuses whose intrauterine growth is retarded because of placental insufficiency. We investigated these concomitant changes in cardiac function. Color and pulsed Doppler echocardiographic recordings were performed in 124 fetuses with intrauterine growth retardation. These fetuses were free of structural and chromosoma...<br/><br/>G Rizzo, D Arduini (1991) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 165: 4 Pt 1 876-882<br/>

http://publicationslist.org/giuseppe.rizzo/refid69 2009-01-10T10:22:22Z

In a cross-sectional study, umbilical artery velocity waveforms were recorded in 214 low-risk pregnancies at 7 weeks to 16 weeks, menstrual age, by means of transvaginal color and pulsed Doppler ultrasonography. In all the cases studied, end diastolic velocities were absent until the 10th week. From this age onward end diastolic velocities were present in a percentage of pregnancies, progressively...<br/><br/>D Arduini, G Rizzo (1991) <i>J Clin Ultrasound</i> <i></i> <i></i> 19: 6 335-339<br/>

http://publicationslist.org/giuseppe.rizzo/refid82 2009-01-10T10:22:22Z

In order to assess whether maternal hyperoxygenation induces modifications of Doppler-measured velocity waveforms across atrioventricular valves, 15 healthy and 15 growth-retarded fetuses were studied in basal conditions and during the maternal administration of 60% humidified oxygen. Recordings were performed at 5-min intervals before, during and after maternal oxygen administration. In basal con...<br/><br/>G Rizzo, D Arduini, C Romanini, S Mancuso (1990) <i>Biol Neonate</i> <i></i> <i></i> 58: 3 127-132<br/>

http://publicationslist.org/giuseppe.rizzo/refid83 2009-01-10T10:22:22Z

In a cross-sectional study of 1556 uncomplicated pregnancies velocity waveforms were recorded at the level of fetal umbilical artery, descending aorta, renal artery, internal carotid artery and middle cerebral artery. Reference limits for the Pulsatility Index of each vessel were constructed by regression analysis and a progressive fall during gestation was evidenced in all the vascular districts ...<br/><br/>D Arduini, G Rizzo (1990) <i>J Perinat Med</i> <i></i> <i></i> 18: 3 165-172<br/>

http://publicationslist.org/giuseppe.rizzo/refid81 2009-01-10T10:22:22Z

A study was made in order to assess whether the combined use of color flow mapping and conventional pulsed Doppler could improve the accuracy of blood flow velocity waveform analysis in fetal and placental circulations. Fifty patients were studied at 18 to 20 or 26 to 28 weeks of gestation by two trained investigators by means of either conventional Doppler or conventional Doppler plus color flow ...<br/><br/>D Arduini, G Rizzo, M R Boccolini, C Romanini, S Mancuso (1990) <i>J Ultrasound Med</i> <i></i> <i></i> 9: 5 249-253<br/>

http://publicationslist.org/giuseppe.rizzo/refid79 2009-01-10T10:22:22Z

The changes in fetal blood flow velocity waveforms during maternal administration of 60% humidified oxygen were assessed by Doppler ultrasonography in 45 post-term fetuses. During oxygen treatment, nine fetuses exhibited temporary increases (24.3 +/- 2.0% [1 standard deviation] above pretreatment values) in the pulsatility index at the level of internal carotid artery. Although no significant chan...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1990) <i>Am J Perinatol</i> <i></i> <i></i> 7: 3 258-262<br/>

http://publicationslist.org/giuseppe.rizzo/refid80 2009-01-10T10:22:22Z

A system based on an IBM compatible personal computer is described for the computerized analysis of the cardiotocograms. The system performs a quantification of both fetal heart rate and uterine contractions providing automatically several variables including heart rate baseline; number, duration and area of accelerations and decelerations; latency time between decelerations and uterine contractio...<br/><br/>D Arduini, G Rizzo (1990) <i>Int J Biomed Comput</i> <i></i> <i></i> 25: 4 247-252<br/>

http://publicationslist.org/giuseppe.rizzo/refid77 2009-01-10T10:22:22Z

Doppler velocity waveforms from atrioventricular valves were recorded in 20 healthy fetuses at 36--38 weeks of gestation during both behavioural states 1F (quiet sleep) and 2F (active sleep). No significant changes were found in the ratios between the velocities during early passive ventricular filling and active ventricular filling (E/A ratios) at the level of both mitral and tricuspid valves whe...<br/><br/>G Rizzo, D Arduini, H Valensise, C Romanini (1990) <i>Early Hum Dev</i> <i></i> <i></i> 23: 2 109-115<br/>

http://publicationslist.org/giuseppe.rizzo/refid76 2009-01-10T10:22:22Z

In 12 fetuses from pregnancies with red blood cell isoimmunization Doppler velocity waveforms were recorded at the level of atrioventricular valves immediately before and at 15-minute intervals for 2 hours after the intravascular transfusion. The left and right cardiac outputs, the ratio between the peak velocities during early passive ventricular filling and active atrial filling at the level of ...<br/><br/>G Rizzo, K H Nicolaides, D Arduini, S Campbell (1990) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 163: 4 Pt 1 1231-1238<br/>

http://publicationslist.org/giuseppe.rizzo/refid78 2009-01-10T10:22:22Z

The time to peak velocity was measured at the level of the ascending aorta and pulmonary artery by Doppler echocardiography in 38 small-for-gestational age (SGA) fetuses before and during maternal hyperoxygenation. The values were compared to a reference range derived from the study of 142 appropriate-for-gestational age (AGA) fetuses. In the SGA fetuses the time to peak velocity at the level of p...<br/><br/>G Rizzo, D Arduini, C Romanini, S Mancuso (1990) <i>Br J Obstet Gynaecol</i> <i></i> <i></i> 97: 7 603-607<br/>

http://publicationslist.org/giuseppe.rizzo/refid88 2009-01-10T10:22:22Z

Doppler blood flow velocity waveforms from fetal umbilical artery, descending aorta, internal carotid artery and maternal uterine arteries were recorded in 50 fetuses near term undergoing cesarean section before the onset of labor in order to evidence eventual relationships with the fetal acid-base status. The primary indications for cesarean section were in 16 cases an elective repeated cesarean ...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1989) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 27: 4 183-187<br/>

http://publicationslist.org/giuseppe.rizzo/refid90 2009-01-10T10:22:22Z

D Arduini, G Rizzo, M R Boccolini, L Caforio, M Massacesi, S Mancuso (1989) <i>Fetal Ther</i> <i></i> <i></i> 4 Suppl 1: 63-67<br/>

http://publicationslist.org/giuseppe.rizzo/refid89 2009-01-10T10:22:22Z

A Lanzone, G Scambia, G Rizzo, D Arduini, S Mancuso (1989) <i>Suppl Int J Gynecol Obstet</i> <i></i> <i></i> 1: 67-71<br/>

http://publicationslist.org/giuseppe.rizzo/refid87 2009-01-10T10:22:22Z

The changes in fetal hemodynamics during maternal administration of 60% humidified oxygen were assessed by Doppler ultrasonography in 15 growth retarded fetuses characterized by abnormal blood flow velocity waveforms. During oxygen treatment, nine fetuses exhibited temporary hemodynamic modifications as expressed by a recovery toward the normal range of vascular impedance in the descending aorta a...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1989) <i>J Ultrasound Med</i> <i></i> <i></i> 8: 4 193-196<br/>

http://publicationslist.org/giuseppe.rizzo/refid84 2009-01-10T10:22:22Z

D Arduini, G Rizzo, C Romanini, S Mancuso (1989) <i>BMJ</i> <i></i> <i></i> 298: 6687 1561-1562<br/>

http://publicationslist.org/giuseppe.rizzo/refid86 2009-01-10T10:22:22Z

The significance of fetal cerebral blood flow analysis in the prediction of neonatal neurologic outcome was investigated on 87 fetuses at risk for chronic hypoxia. Blood flow velocity waveforms were recorded from the fetal internal carotid artery immediately before cesarean section; newborns underwent neurologic follow-up until discharged from the neonatal division. Neonatal outcome was considered...<br/><br/>G Rizzo, D Arduini, R Luciano, C Rizzo, G Tortorolo, C Romanini, S Mancuso (1989) <i>J Ultrasound Med</i> <i></i> <i></i> 8: 5 237-240<br/>

http://publicationslist.org/giuseppe.rizzo/refid85 2009-01-10T10:22:22Z

The transitions, i.e. time intervals between two different behavioural states, were studied in 10 healthy and 10 growth retarded fetuses (IUGR) in near term pregnancies. In healthy fetuses, transitions usually lasted less than 3 min whereas IUGR fetuses showed a longer duration when compared to healthy fetuses. Moreover, a significant trend in the change of state variables (fetal heart rate, fetal...<br/><br/>D Arduini, G Rizzo, L Caforio, M R Boccolini, C Romanini, S Mancuso (1989) <i>Early Hum Dev</i> <i></i> <i></i> 19: 3 155-165<br/>

http://publicationslist.org/giuseppe.rizzo/refid95 2009-01-10T10:22:22Z

The purpose of this investigation was to compare the efficacy of conventional ultrasonographic measurements (i.e. head to abdomen circumference ratio, amount of amniotic fluid) with Doppler ultrasonography in the differential diagnosis of small-for-gestational age (SGA) fetuses. Blood flow velocity waveforms were recorded from the umbilical artery descending aorta and internal carotid artery in 12...<br/><br/>D Arduini, G Rizzo (1988) <i>Fetal Ther</i> <i></i> <i></i> 3: 1-2 31-36<br/>

http://publicationslist.org/giuseppe.rizzo/refid94 2009-01-10T10:22:22Z

The fetal behaviour of 15 asymmetrical intrauterine growth retarded (IUGR) fetuses was compared to that of a control group of healthy fetuses. Fetuses underwent simultaneous cardiotocographic and ultrasonographic examinations for 2 consecutive hours at 36-38 weeks' gestation. Behavioural states analysis was carried out by means of a computerized system (Digital PDP 11) that allowed the recording o...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1988) <i>J Perinat Med</i> <i></i> <i></i> 16: 4 357-363<br/>

http://publicationslist.org/giuseppe.rizzo/refid91 2009-01-10T10:22:22Z

To determine whether maternal oxygen administration affects fetal hemodynamics, we investigated 10 healthy fetuses and 10 growth-retarded fetuses near term by means of Doppler ultrasonography. The growth-retarded fetuses were characterized by abnormal blood flow velocity waveforms. Velocity waveforms were simultaneously recorded at 5-minute intervals from the fetal descending aorta and internal ca...<br/><br/>D Arduini, G Rizzo, S Mancuso, C Romanini (1988) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 159: 5 1077-1080<br/>

http://publicationslist.org/giuseppe.rizzo/refid92 2009-01-10T10:22:22Z

A computerized system which simultaneously acquires and quantifies several ultrasonically detected fetal activities, including gross body movements, breathing movements, and eye movements, was developed in order to obtain additional quantitative data on fetal behaviour. Movements were automatically related to fetal heart rate allowing computation of their mean incidence, duration, lag time and per...<br/><br/>G Rizzo, D Arduini, S Mancuso, C Romanini (1988) <i>Prenat Diagn</i> <i></i> <i></i> 8: 7 479-484<br/>

http://publicationslist.org/giuseppe.rizzo/refid93 2009-01-10T10:22:22Z

A prospective longitudinal study determined the physiological patterns of blood flow velocity waveforms in normal and in small-for-gestational-age (SGA) fetuses. Using a Pulsed Doppler Duplex system, 125 normally grown fetuses and 35 SGA fetuses were studied longitudinally at between 27 and 42 weeks gestation. In normal fetuses the ratio between the E velocity (early passive ventricular filling) a...<br/><br/>G Rizzo, D Arduini, C Romanini, S Mancuso (1988) <i>Br J Obstet Gynaecol</i> <i></i> <i></i> 95: 1 65-69<br/>

http://publicationslist.org/giuseppe.rizzo/refid103 2009-01-10T10:22:22Z

A cerebral midline cystic lesion was detected by real-time ultrasound in utero in the absence of other congenital abnormalities. Pulsed Doppler ultrasound assessment of fetal circulation demonstrated normal peripheral and intracardiac hemodynamics associated with decreased cerebral vascular resistance. Furthermore, a markedly turbulent flow pattern was evidenced within the cerebral lesion. The pre...<br/><br/>G Rizzo, D Arduini, C Colosimo, M R Boccolini, S Mancuso (1987) <i>Fetal Ther</i> <i></i> <i></i> 2: 2 75-79<br/>

http://publicationslist.org/giuseppe.rizzo/refid105 2009-01-10T10:22:22Z

Fetal heart rate and fetal movements were recorded over a 24-hour interval in a totally adrenalectomized pregnant woman at term. Cortisol, ACTH, unconjugated estriol and 17 beta-estradiol were contemporaneously measured every 2 h in the maternal peripheral plasma. Owing to the substitution therapy the patient showed a loss of circadian variations of all the hormones investigated. Moreover, the cir...<br/><br/>D Arduini, G Rizzo, E Parlati, S Dell'Acqua, C Romanini, S Mancuso (1987) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 23: 4 226-229<br/>

http://publicationslist.org/giuseppe.rizzo/refid101 2009-01-10T10:22:22Z

Fetal behavior was studied after intravenous administration of either 0.4 mg of naloxone or an equal volume of saline solution in 54 healthy pregnant women near term. The number, duration, and amplitude of fetal heart rate accelerations increased after naloxone injection. The incidence of both gross fetal body movements and fetal breathing movements increased, especially in the first hour after na...<br/><br/>D Arduini, G Rizzo, S Dell'Acqua, S Mancuso, C Romanini (1987) <i>Am J Obstet Gynecol</i> <i></i> <i></i> 156: 2 474-478<br/>

http://publicationslist.org/giuseppe.rizzo/refid104 2009-01-10T10:22:22Z

The purpose of this investigation was to analyze the changes in umbilical artery (UA) velocity waveforms after administration of nifedipine in 30 healthy pregnant women. The effects on fetal and maternal heart rates and maternal arterial pressure were also analyzed. The patients included in this double blind study received sublingually either 10 mg of nifedipine or a placebo. A transient fall of t...<br/><br/>G Rizzo, D Arduini, S Mancuso, C Romanini (1987) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 24: 3 151-154<br/>

http://publicationslist.org/giuseppe.rizzo/refid102 2009-01-10T10:22:22Z

Behavioral states observations were carried out in 12 hydrocephalic fetuses by means of a computerized system. Recordings of behavioral parameters, including fetal heart rate, gross body movements, breathing movements and eye movements, were performed at 2-week intervals from 30 weeks of gestation onwards. The hydrocephalic fetuses showed quantitative and qualitative differences in their motor beh...<br/><br/>D Arduini, G Rizzo, L Caforio, S Mancuso (1987) <i>Fetal Ther</i> <i></i> <i></i> 2: 3 135-143<br/>

http://publicationslist.org/giuseppe.rizzo/refid98 2009-01-10T10:22:22Z

Seventy-five high-risk pregnancies were studied in order to define the clinical value of the analysis of fetal blood flow velocity waveforms in early screening for growth retardation. Recordings were obtained at 26-28 weeks' gestation, in the absence of ultrasonographic signs of growth retardation, using a pulsed duplex Doppler system. The pulsatility index was evaluated at the level of the umbili...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1987) <i>Obstet Gynecol</i> <i></i> <i></i> 70: 1 7-10<br/>

http://publicationslist.org/giuseppe.rizzo/refid100 2009-01-10T10:22:22Z

In order to verify if fetal behavioural states could affect cardiac parameters, thirty-one healthy fetuses were studied near term. We evaluated systolic time intervals (pre-ejection period and ventricular ejection time), M-mode parameters (fractional shortening and mean circumferential shortening) and Doppler flow velocities (mean peak velocity of aortic and pulmonary arteries) of left and right v...<br/><br/>D Arduini, G Rizzo, F Pennestri, C Romanini (1987) <i>Prenat Diagn</i> <i></i> <i></i> 7: 3 179-187<br/>

http://publicationslist.org/giuseppe.rizzo/refid96 2009-01-10T10:22:22Z

Sixty high-risk pregnancies were studied in order to define the validity of the analysis of utero-placental blood flow velocity waveforms in early screening for developing hypertensive diseases. Recordings were obtained at 18-20 weeks gestation, in normotensive patients, using a pulsed duplex Doppler system at the level of uterine vessels. The patients (n = 22) who developed hypertension showed a ...<br/><br/>D Arduini, G Rizzo, C Romanini, S Mancuso (1987) <i>Eur J Obstet Gynecol Reprod Biol</i> <i></i> <i></i> 26: 4 335-341<br/>

http://publicationslist.org/giuseppe.rizzo/refid99 2009-01-10T10:22:22Z

The fetal behaviour of asymmetrical growth retarded fetuses was compared with that of a control group of healthy fetuses. Fetuses underwent simultaneous cardiotocographic and echographic examinations for two consecutive hours at 36-38 weeks of gestation. The distribution of gross fetal body movements, fetal breathing movements and fetal eye movements was analysed during the different fetal heart r...<br/><br/>G Rizzo, D Arduini, F Pennestri, C Romanini, S Mancuso (1987) <i>Prenat Diagn</i> <i></i> <i></i> 7: 4 229-238<br/>

http://publicationslist.org/giuseppe.rizzo/refid97 2009-01-10T10:22:22Z

A longitudinal study was carried out on 30 healthy fetuses in order to assess the modifications of fetal blood flow throughout pregnancy. The pulsatility index was evaluated at two-week intervals by means of pulsed Doppler equipment. In the umbilical artery measurements were performed from 20 weeks onwards, whereas in the descending aorta and internal carotid artery analysis started from 26 weeks ...<br/><br/>D Arduini, G Rizzo, S Mancuso, C Romanini (1987) <i>Prenat Diagn</i> <i></i> <i></i> 7: 9 613-617<br/>

http://publicationslist.org/giuseppe.rizzo/refid109 2009-01-10T10:22:22Z

In the present investigation the effects of free fatty acids (FFA) and L-carnitine were investigated on the rat isolated uterine horn. The cumulative addition of FFA and L-carnitine to the isolated organ bath produced a significant increase of isometric developed tension and functional activity, especially evident at 5 mM carnitine concentration. No variations in the frequency of contractions were...<br/><br/>D Arduini, G Rizzo, R Mancinelli, D Metro, S Dell'Acqua, C Romanini (1986) <i>Gynecol Obstet Invest</i> <i></i> <i></i> 21: 4 198-201<br/>

http://publicationslist.org/giuseppe.rizzo/refid108 2009-01-10T10:22:22Z

In order to evaluate the development of fetal behavioural states a longitudinal study was performed on 35 healthy fetuses during the last trimester of pregnancy. Fetal heart rate (FHR), gross fetal body movements (FM), fetal eye movements (FEM), fetal breathing movements (FBM) and micturition were simultaneously studied at two-week intervals from 28 weeks gestation onwards. Well-defined fetal beha...<br/><br/>D Arduini, G Rizzo, C Giorlandino, H Valensise, S Dell'Acqua, C Romanini (1986) <i>Prenat Diagn</i> <i></i> <i></i> 6: 2 117-124<br/>

http://publicationslist.org/giuseppe.rizzo/refid106 2009-01-10T10:22:22Z

In order to verify whether fetal and maternal adrenal gland suppression induces effects on fetal behaviour, triamcinolone was administered to five healthy pregnant women at 35 weeks of gestation. Five patients of the same gestational age were used as control. Fetal heart rate (FHR) and fetal movements were recorded continuously over 2-h interval by means of cardiotocography. After 3 weeks (38 week...<br/><br/>D Arduini, G Rizzo, E Parlati, C Giorlandino, H Valensise, S Dell'Acqua, C Romanini (1986) <i>Prenat Diagn</i> <i></i> <i></i> 6: 6 409-417<br/>

http://publicationslist.org/giuseppe.rizzo/refid107 2009-01-10T10:22:22Z

The pre-ejection period (PEP) of the cardiac cycle was measured in the human fetus using pulse Doppler in association with transabdominal ECG. The technique permitted the exact localization of the aortic valve, a good recording of its opening and the exact measurement of PEP. Between 32 and 42 weeks of pregnancy there is a strong correlation between PEP and gestational age. This new method seems t...<br/><br/>C Giorlandino, P Gentili, A Vizzone, G Rizzo, D Arduini (1986) <i>Br J Obstet Gynaecol</i> <i></i> <i></i> 93: 4 307-309<br/>

http://publicationslist.org/giuseppe.rizzo/refid111 2009-01-10T10:22:22Z

E Moneta, D Arduini, G Rizzo, H Valensine, C Romanini (1985) <i>Minerva Ginecol</i> <i></i> <i></i> 37: 3 73-84<br/>

http://publicationslist.org/giuseppe.rizzo/refid110 2009-01-10T10:22:22Z

In order to accurately detect the fetal behavioural state, we simultaneously measured fetal heart rate and multiple fetal activities in 27 healthy pregnant women at 38 to 40 weeks of gestation. We ultrasonically identified gross body movements, breathing movements and micturition. Analysis of fetal heart rate allowed us to distinguish two different patterns of fetal behaviour: active and quiet pha...<br/><br/>D Arduini, G Rizzo, C Giorlandino, A Vizzone, S Nava, S Dell'Acqua, H Valensise, C Romanini (1985) <i>Prenat Diagn</i> <i></i> <i></i> 5: 4 269-276<br/>

http://publicationslist.org/giuseppe.rizzo/refid112 2009-01-10T10:22:22Z

G de Rossi, M Salvatori, A Giordano, C Romanini, S Dell'Acque, D Arduini, G Rizzo (1984) <i>Radiol Diagn (Berl)</i> <i></i> <i></i> 25: 5 573-576<br/>

http://publicationslist.org/giuseppe.rizzo/refid11 2009-01-10T10:22:22Z

C Romanini, G Rizzo, A Tranquilli, H Valensise, R Gaglione, D Arduini (1983) <i>Ann Ostet Ginecol Med Perinat</i> <i></i> <i></i> 104: 6 408-412<br/>

http://publicationslist.org/giuseppe.rizzo/refid12 2009-01-10T10:22:22Z

D Arduini, H Valensise, G Rizzo, A Tranquilli, C Romanini, M Arduini (1982) <i>Patol Clin Ostet Ginecol</i> <i></i> <i></i> 10 Suppl 1: 9-15<br/>