IMR Press / CEOG / Volume 25 / Issue 4 / pii/1998043

Clinical and Experimental Obstetrics & Gynecology (CEOG) is published by IMR Press from Volume 47 Issue 1 (2020). Previous articles were published by another publisher on a subscription basis, and they are hosted by IMR Press on imrpress.com as a courtesy and upon agreement with S.O.G.

Original Research

Intraparturn vibratory acoustic stimulation after maternal meperidine administration

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1 2nd Department of Obstetrics and Gynecology, University of Athens, “Areteion” Hospital (Greece)
Clin. Exp. Obstet. Gynecol. 1998, 25(4), 139–140;
Published: 10 December 1998
Abstract

Objective: To examine the effectiveness of the acoustic stimulation test in the interpretation of suspicious cardiotocograms obtained after meperidine administration to the mother during the first stage of labor. Subjects and methods: We studied 45 unselected parturients who received 50 mg meperidine when was 5 cm. In all cases a decreased beat-to-beat variability of the fetal heart rate and fetal movements was noted after the injection of mepe­ridine. A vibratory acoustic stimulation was performed in 25 patients (group A) while the remaining 20 (group B) had no stimulation. Results: After the meperidine injection, the acoustic-induced reactivity returned immediately in group A, while the spontaneous reactivity returned 30 minutes later. The mean number of fetal movements in all parturients was 8.71 ± 2.18 before meperidine administration. Sixty minutes after the meperidine injection the mean number was 8.52 ± 2.48 in group A and 1.65 ± 1.81 in group B (p < 0.0001). Conclusion: The acoustic stimulation test is an effective method of interpreting suspicions CTG’s obtained after meperidine administration to the mother during the first stage of labour.

Keywords
Meperidine
Acoustic stimulation test
Fetal movements
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