Article,

Fetal assessment based on the fetal biophysical profile score: relationship of last BPS result to subsequent cerebral palsy.

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J Gynecol Obstet Biol Reprod (Paris), 26 (7): 720--729 (1997)

Abstract

OBJECTIVE: The prime intent of this study was to determine the relationship if any between the last fetal biophysical profile score and the risk of cerebral palsy at age 3 years. The secondary objective was to examine the clinical characteristics of infants with cerebral palsy whose obstetric management included serial fetal biophysical profile scores. STUDY DESIGN: The incidence of a high risk pregnant population whose antenatal assessment was by serial fetal biophysical profile scoring was determined by cross-referencing two discrete data bases. The completeness and reliability of the data bases was confirmed by secondary audit. Obstetrical, neonatal and post-natal clinical records of index cases of cerebral palsy were subsequently reviewed, categorized and analyzed. RESULTS: Fetal biophysical profile scores (BPS) were recorded in 22,336 high risk pregnancies: 27 patients delivered an infant subsequently identified as having cerebral palsy (rate 1.21 per 1000). The relationship between last BPS result and cerebral palsy was inverse, exponential and highly significant (R2 = 0.987; p < 0.001). Affected infants with a last abnormal BPS result were significantly more likely to exhibit fetal distress (88.8\%), acidosis (77.7\%), and have neonatal seizures (88.8\%). Antenatal asphyxia was the apparent cause of cerebral damage in 29.6\% of cases. CONCLUSION: The last fetal biophysical profile score is a predictor of the risk of cerebral palsy.

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