Quality of praenatal diagnostic ultrasound - comparison of sonographically detected foetal anomalies with diagnostic findings verified post-partum in Switzerland

Ultraschall in der Medizin : Organ der Deutschen Gesellschaft für Ultraschall in der Medizin, [der] Österreichischen Gesellschaft für Ultraschall in der Medizin, [der] Schweizerischen Gesellschaft für Ultraschall in Medizin und Biologie
R StillerR Zimmermann

Abstract

Comparison of all praenatally detected cases of foetal anomalies to actual diagnostic findings post partum during a one year period in Switzerland. A retrospective questionnaire-based evaluation including the 5 university hospitals and 6 large hospitals in Switzerland as a population-based study. Analysis of all foetal anomalies detected praenatally by ultrasound in the year of 1995 in these centres. 347 cases have been included in the study. 89 % of cases were detected using screening methods. (2/3) were referred by obstetrical practitioners and GPs. 62 % of the pregnancies were completed and 33 % terminated, while the rest resulted in abortion or stillbirth. In terminated pregnancies there was a 82 % agreement between praenatal and postmortem findings. Sonographic results and clinical/post-mortem diagnosis were in agreement about the presence of major foetal anomalies in 18 % of cases. Additional minor anomalies unperceived by sonography, however, were seen post mortem. There was no false positive case. Without ultrasound screening almost 90 % of anomalies would have been missed due to the absence of clinical symptoms. The Swiss two-step system for praenatal ultrasound screening, based on screening scans done by the obstetric...Continue Reading

Citations

Apr 9, 2005·Gynäkologisch-geburtshilfliche Rundschau·Roland Zimmermann

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