Acta Medica Iranica 2007. 45(3):204-208.

A PROSPECTIVE TRIAL OF THE FETAL BIOPHYSICAL PROFILE VERSUS MODIFIED BIOPHYSICAL PROFILE IN THE MANAGEMENT OF HIGH RISK PREGNANCIES
A. Jamal, V. Marsoosi, L. Eslamian K. Noori

Abstract


The original biophysical profile is time consuming and costly. This study was performed to compare diagnostic value of the original fetal biophysical profile to the modified biophysical profile. Patients were selected from high risk pregnancies referred for fetal assessment and were randomly assigned to two groups. The measures of outcomes were perinatal mortality, Cesarean section for abnormal test, meconium-stained amniotic fluid and 5-minute Apgar score < 7. Diagnostic values of tests were assessed in terms of the incidence of abnormal outcome. In addition comparisons between the positive and negative predictive values of each of these tests as well as the sensitivity and specificity of the tests were reviewed. A total of 200 patients were entered into the study; 104 pregnancies were managed by the original biophysical profile and 96 pregnancies by the modified biophysical profile. There were 30 abnormal (31.3%) in modified biophysical profile and 24 (23.1%) abnormal tests in original one. There was significant difference in the incidence of meconium passage between two groups. Cesarean section for abnormal tests was 27 of 30 abnormal test (90%) in modified and 22 of 24 (91.6%) in original profile that was similar in both groups. There was not significant difference in Apgar score < 7 between two groups. We did not find significant difference with comparison of the sensitivity, specificity and negative predictive value of two tests for all measures of outcome except the positive predictive value of meconium passage. Original biophysical profile is more costly and time consuming than modified one.


Keywords


Modified biophysical profile, High risk pregnancy,

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