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dc.contributor.authorHagenaars AM
dc.date.accessioned2012-12-12T14:23:38Z
dc.date.available2012-12-12T14:23:38Z
dc.date.issued1992-08-31
dc.identifier199101001
dc.identifier.urihttp://hdl.handle.net/10029/256676
dc.description.abstractAbstract niet beschikbaar
dc.description.abstractIn 1983 a total of 1285 sera from pregnant women were analysed for alpha fetoprotein aiming to detect fetal neural tube defects. After elimination of sera with unknown or incorrect gestational age 1254 sera could be evaluated. Clinical post-partum results were reported in 71% of the cases. Of 31 pregnancies with a serum AFP-concentration higher than the internationally accepted 97 percentile in 20 cases (65%) a defect or other clinical condition was found, such as missed abortion, intrauterine fetal death and feto-maternal transfusions. Tow open neural tube defects and one case of gastroschisis yielded elevated AFP-levels. The sensitivity of the AFP-determination for the detection of open fetal neural tube defects turned out to be 100% with a positive predictive value of 6.5%. If all other defects and conditions yielding AFP-elevation were taken into account the sensitivity was 21% with a positive predictive value of 64.5%.
dc.description.sponsorshipGHI
dc.format.extent35 p
dc.language.isonl
dc.relation.ispartofRIVM Rapport 199101001
dc.relation.urlhttp://www.rivm.nl/bibliotheek/rapporten/199101001.html
dc.subject05nl
dc.subjectneuraalbuisdefectennl
dc.subjectdown syndroomnl
dc.subjectscreeningnl
dc.subjectalpha-foetoproteinenl
dc.subjectmaternaal serumnl
dc.subjectvruchtwaternl
dc.subjectmedianennl
dc.subjectpercentielennl
dc.subjectmomnl
dc.subjectneural tube defectsen
dc.subjectdowns syndromeen
dc.subjectscreeningen
dc.subjectalphafetoproteinsen
dc.subjectmaternal serumen
dc.subjectamniotic fluiden
dc.titleOpsporing van foetale neuraalbuisdefecten door middel van de bepaling van alpha-1-foetoproteine in maternaal serum. Een evaluatie over het jaar 1983nl
dc.title.alternativeDetection of fetal neural tube defects by analysis of alpha-1-fetoprotein in maternal serum. An evaluation concerning the year 1983en
dc.typeReport
dc.date.updated2012-12-12T14:23:39Z
html.description.abstractAbstract niet beschikbaar
html.description.abstractIn 1983 a total of 1285 sera from pregnant women were analysed for alpha fetoprotein aiming to detect fetal neural tube defects. After elimination of sera with unknown or incorrect gestational age 1254 sera could be evaluated. Clinical post-partum results were reported in 71% of the cases. Of 31 pregnancies with a serum AFP-concentration higher than the internationally accepted 97 percentile in 20 cases (65%) a defect or other clinical condition was found, such as missed abortion, intrauterine fetal death and feto-maternal transfusions. Tow open neural tube defects and one case of gastroschisis yielded elevated AFP-levels. The sensitivity of the AFP-determination for the detection of open fetal neural tube defects turned out to be 100% with a positive predictive value of 6.5%. If all other defects and conditions yielding AFP-elevation were taken into account the sensitivity was 21% with a positive predictive value of 64.5%.


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