Diagnosis and outcome of congenital heart disease in fetuses from multiple pregnancies

Dario Paladini, Michele Vassallo, Gabriella Sglavo, Maria Giovanna Russo, Pasquale Martinelli

Research output: Contribution to journalArticle

9 Citations (Scopus)

Abstract

Objectives: (1) To assess the diagnostic accuracy of fetal echocardiography and (2) to evaluate the type and the outcome of congenital heart disease (CHD) detected in fetuses from multiple pregnancies. Method: Setting: tertiary referral center for prenatal diagnosis of CHD. Design: observational study. In the period 1994-2003, 711 fetuses from 330 multiple pregnancies (282 twins, 45 triplets and 3 quadruplets) underwent fetal echocardiography at our unit. CHD were present in 45 of them. Diagnostic accuracy (sensitivity, specificity, positive and negative predictive values) was calculated for fetal echocardiography. For the fetuses with CHD, the following variables were analysed: gestational age at diagnosis, type of CHD, associated anomalies, fetoneonatal outcome. Confirmation of the diagnosis was obtained in 45/48 cases with CHD and in 580/610 without CHD. Mean follow-up time for diseased neonates was 52 months (range 6-127). Results: In the study population, there were 40 true positives, 5 false negatives, 1 false positive and 632 true negatives, which yields the following figures: sensitivity 88.8% (40/45), specificity 99.8% (632/633), positive predictive value 97.6% (40/41) and negative predictive value 99.2% (632/637). As for the 45 cases with CHD, type of CHD was evenly distributed among left and right heart, conotruncal and septal defects, with 6/7 right heart lesions occurring in recipient fetuses of pregnancies complicated by TTTS. The aneuploidy rate was 7.0% (3/43). As for the outcome, 26 (57.8%) neonates survived and 17 (37.7%) died prior to or after surgery. Very low birthweight accounted for 7 of the 17 perinatal deaths. Conclusions: Our data show that the diagnostic performance of fetal echocardiography in multiple gestations is comparable with that obtained in singletons, as far as twin pregnancies are concerned. Data on triplets and quadruplets are too scant to be of statistical relevance. In addition, the importance of prematurity as primary cause of death in this subset of fetuses should be considered when counseling couples with multiple pregnancies and a fetus with CHD.

Original languageEnglish
Pages (from-to)403-406
Number of pages4
JournalPrenatal Diagnosis
Volume25
Issue number5
DOIs
Publication statusPublished - May 2005

Fingerprint

Multiple Pregnancy
Heart Diseases
Fetus
Echocardiography
Heart Septal Defects
Newborn Infant
Pregnancy
Twin Pregnancy
Aneuploidy
Prenatal Diagnosis
Tertiary Care Centers
Gestational Age
Observational Studies
Counseling
Cause of Death
Sensitivity and Specificity

Keywords

  • Congenital heart disease
  • Fetal echocardiography
  • Multiple pregnancy
  • Outcome
  • Prenatal diagnosis

ASJC Scopus subject areas

  • Genetics(clinical)
  • Obstetrics and Gynaecology

Cite this

Diagnosis and outcome of congenital heart disease in fetuses from multiple pregnancies. / Paladini, Dario; Vassallo, Michele; Sglavo, Gabriella; Russo, Maria Giovanna; Martinelli, Pasquale.

In: Prenatal Diagnosis, Vol. 25, No. 5, 05.2005, p. 403-406.

Research output: Contribution to journalArticle

Paladini, Dario ; Vassallo, Michele ; Sglavo, Gabriella ; Russo, Maria Giovanna ; Martinelli, Pasquale. / Diagnosis and outcome of congenital heart disease in fetuses from multiple pregnancies. In: Prenatal Diagnosis. 2005 ; Vol. 25, No. 5. pp. 403-406.
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AU - Sglavo, Gabriella

AU - Russo, Maria Giovanna

AU - Martinelli, Pasquale

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N2 - Objectives: (1) To assess the diagnostic accuracy of fetal echocardiography and (2) to evaluate the type and the outcome of congenital heart disease (CHD) detected in fetuses from multiple pregnancies. Method: Setting: tertiary referral center for prenatal diagnosis of CHD. Design: observational study. In the period 1994-2003, 711 fetuses from 330 multiple pregnancies (282 twins, 45 triplets and 3 quadruplets) underwent fetal echocardiography at our unit. CHD were present in 45 of them. Diagnostic accuracy (sensitivity, specificity, positive and negative predictive values) was calculated for fetal echocardiography. For the fetuses with CHD, the following variables were analysed: gestational age at diagnosis, type of CHD, associated anomalies, fetoneonatal outcome. Confirmation of the diagnosis was obtained in 45/48 cases with CHD and in 580/610 without CHD. Mean follow-up time for diseased neonates was 52 months (range 6-127). Results: In the study population, there were 40 true positives, 5 false negatives, 1 false positive and 632 true negatives, which yields the following figures: sensitivity 88.8% (40/45), specificity 99.8% (632/633), positive predictive value 97.6% (40/41) and negative predictive value 99.2% (632/637). As for the 45 cases with CHD, type of CHD was evenly distributed among left and right heart, conotruncal and septal defects, with 6/7 right heart lesions occurring in recipient fetuses of pregnancies complicated by TTTS. The aneuploidy rate was 7.0% (3/43). As for the outcome, 26 (57.8%) neonates survived and 17 (37.7%) died prior to or after surgery. Very low birthweight accounted for 7 of the 17 perinatal deaths. Conclusions: Our data show that the diagnostic performance of fetal echocardiography in multiple gestations is comparable with that obtained in singletons, as far as twin pregnancies are concerned. Data on triplets and quadruplets are too scant to be of statistical relevance. In addition, the importance of prematurity as primary cause of death in this subset of fetuses should be considered when counseling couples with multiple pregnancies and a fetus with CHD.

AB - Objectives: (1) To assess the diagnostic accuracy of fetal echocardiography and (2) to evaluate the type and the outcome of congenital heart disease (CHD) detected in fetuses from multiple pregnancies. Method: Setting: tertiary referral center for prenatal diagnosis of CHD. Design: observational study. In the period 1994-2003, 711 fetuses from 330 multiple pregnancies (282 twins, 45 triplets and 3 quadruplets) underwent fetal echocardiography at our unit. CHD were present in 45 of them. Diagnostic accuracy (sensitivity, specificity, positive and negative predictive values) was calculated for fetal echocardiography. For the fetuses with CHD, the following variables were analysed: gestational age at diagnosis, type of CHD, associated anomalies, fetoneonatal outcome. Confirmation of the diagnosis was obtained in 45/48 cases with CHD and in 580/610 without CHD. Mean follow-up time for diseased neonates was 52 months (range 6-127). Results: In the study population, there were 40 true positives, 5 false negatives, 1 false positive and 632 true negatives, which yields the following figures: sensitivity 88.8% (40/45), specificity 99.8% (632/633), positive predictive value 97.6% (40/41) and negative predictive value 99.2% (632/637). As for the 45 cases with CHD, type of CHD was evenly distributed among left and right heart, conotruncal and septal defects, with 6/7 right heart lesions occurring in recipient fetuses of pregnancies complicated by TTTS. The aneuploidy rate was 7.0% (3/43). As for the outcome, 26 (57.8%) neonates survived and 17 (37.7%) died prior to or after surgery. Very low birthweight accounted for 7 of the 17 perinatal deaths. Conclusions: Our data show that the diagnostic performance of fetal echocardiography in multiple gestations is comparable with that obtained in singletons, as far as twin pregnancies are concerned. Data on triplets and quadruplets are too scant to be of statistical relevance. In addition, the importance of prematurity as primary cause of death in this subset of fetuses should be considered when counseling couples with multiple pregnancies and a fetus with CHD.

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