Superiority of amniotic fluid index over amniotic fluid pocket measurement for predicting bad fetal outcome

Alaaeldin A. Youssef, Sayed A. Abdulla, Ezzat H. Sayed, Hossam T. Salem, Ali M. Abdelalim, Lawrence D. Devoe

Research output: Contribution to journalArticle

26 Scopus citations

Abstract

Semiquantitative amniotic fluid volume (AFV) determination is a component of the fetal biophysical profile (BPP). To assess decreased AFV, we did BPPs of 174 fetuses within 1 week of delivery. Two methods were used: Measurement of the single largest vertical pocket (oligohydramnios = depth < 1 cm) and the four-quadrant amniotic fluid index (AFI) (oligohydramnios = AFI ≤ 5 cm). AFV, as determined by each method, was related to measures of fetal outcome (perinatal mortality, fetal distress, Apgar score, meconium-stained amniotic fluid, and intrauterine growth retardation [IUGR]). The AFI was more sensitive in predicting mortality (87.5%) and the following measures of perinatal morbidity: low 5-minute Apgar score (88.8%), fetal distress during labor (86.6%), meconium-stained amniotic fluid (63.6%), and the presence of IUGR (79.4%). The sensitivity of amniotic fluid pocket measurement of < 1 cm was 75%, 72.2%, 66;6%, 47.7%, and 55.8%, respectively, for the same measures. Using the AFI instead of a single pocket measurement in BPP assessment increased the sensitivity and positive predictive value of the BPP from 64.7% to 76.4% and from 45.8% to 68.4%, respectively. Our data suggest that qualitative AFV measurement using the AFI.

Original languageEnglish (US)
Pages (from-to)426-429
Number of pages4
JournalSouthern medical journal
Volume86
Issue number4
DOIs
StatePublished - Apr 1993

ASJC Scopus subject areas

  • Medicine(all)

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