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Vibroacoustic stimulation and modified fetal biophysical profile for early intrapartum fetal assessment

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Abstract

Objectives

To evaluate the efficacy of vibroacoustic stimulation (VAS) and modified fetal biophysical profile (mFBP) for early intrapartum fetal assessment and prediction of adverse perinatal outcome.

Methods

In this prospective study, 210 women who were in latent phase of labor at the time of admission to the labor unit were subjected to VAS/mFBP, in which fetal startle response and fetal heart acceleration under combined B/M mode ultrasonography following VAS were observed. The results of VAS/mFBP were correlated with adverse perinatal outcome. Standard “fourfold” format was used to calculate various diagnostic values.

Results

Mean testing time was 4.86+0.72 min. Of the 210 fetuses subjected to VAS/ mFBP, 200 (95.2%) were reactive and 10 (4.8%) nonreactive. There were 198 (94.3%) favorable and 12 (5.7%) adverse perinatal outcomes. VAS/mFBP had: sensitivity 66.7%, specificity 99.0%, positive predictive value 80.0%, negative predictive value 98.0%, and accuracy 97.2%.

Conclusions

Because of its simplicity, ease of administration, short testing time, noninvasiveness, and high accuracy VAS/mFBP for early intrapartum fetal assessment is a reliable diagnostic approach.

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Authors and Affiliations

  1. Department of Obstetrics and Gynecology, Armed Forces Clinic, New Delhi, India

    Atul Kumar Sood

  2. Department of Obstetrics and Gynecology, Military Hospital, Jalandhar, India

    Sanjay Singh

  3. Armed Forces Clinic, Dalhousie Road, New Delhi, 110011, India

    Atul Kumar Sood

Authors
  1. Atul Kumar Sood
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  2. Sanjay Singh
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Correspondence to Atul Kumar Sood.

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Sood, A., Singh, S. Vibroacoustic stimulation and modified fetal biophysical profile for early intrapartum fetal assessment. J Obstet Gynecol India 61, 291–295 (2011). https://doi.org/10.1007/s13224-011-0044-5

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  • DOI: https://doi.org/10.1007/s13224-011-0044-5

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