Amniocentesis and chorionic villus sampling in twin gestations: which is the best sampling technique? - 19/08/11
Résumé |
Objective |
To compare the fetal loss rate <24 weeks and the preterm premature rupture of the membranes <34 weeks' gestation according to type of invasive procedure and to sampling techniques in twins.
Study Design |
Retrospective cohort study of 204 twin pregnancies, who underwent amniocentesis (100) or chorionic villus sampling (104).
Results |
Fetal loss rate <4 weeks was 3.85% in chorionic villus sampling group and 4.00% in amniocentesis group (P value not significant). According to sampling technique, fetal loss rate was 4.17% (chorionic villus sampling 1 puncture), 2.70% (amniocentesis 1 puncture), 3.75% (chorionic villus sampling 2 punctures), and 4.76% (amniocentesis 2 punctures), (P values not significant). Preterm premature rupture of the membranes rate <34 weeks was 8.2% chorionic villus sampling group and 10% in amniocentesis group (P value not significant). According to sampling technique, preterm premature rupture of the membranes rate was 12.5% (chorionic villus sampling 1 puncture), 8.1% (amniocentesis 1 puncture), 6.9% (chorionic villus sampling 2 punctures), and 11.1 % (amniocentesis 2 punctures), (P values not significant).
Conclusion |
Double entry technique does not affect significantly the outcomes evaluated, in both amniocentesis and chorionic villus sampling.
Le texte complet de cet article est disponible en PDF.Key words : amniocentesis, chorionic villus sampling, fetal loss, Kaplan-Meier algorithm, sampling technique, twin gestation
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| Cite this article as: Simonazzi G, Curti A, Farina A, et al. Amniocentesis and chorionic villus sampling in twin gestations: which is the best sampling technique? Am J Obstet Gynecol 2010;202:365.e1-5. |
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| Reprints not available from the authors. |
Vol 202 - N° 4
P. 365.e1-365.e5 - avril 2010 Retour au numéro
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