Document Detail

Fetal acoustic stimulation, an adjunct to external cephalic version: a blinded, randomized crossover study.
MedLine Citation:
PMID:  7503169     Owner:  NLM     Status:  MEDLINE    
OBJECTIVE: Our purpose was to determine whether fetal acoustic stimulation can improve the chance of successful external cephalic version in patients at 36 to 38 weeks' gestation with fetal midline spine position. STUDY DESIGN: A randomized, blinded crossover trial was performed. In this "N of 1" study, the patient served as her own control. RESULTS: Twenty-six patients were enrolled in the study, and three were excluded due to engagement of the fetal breech. In the initial trial with fetal acoustic stimulation to the maternal abdomen, 12 of 12 (100%) changed position to spine lateral and 11 of 12 (92%) were successfully verted. In the control group (fetal acoustic stimulation to nurse's arm), none of 11 (0%) changed position to spine lateral and one of 11 (9%) were successfully verted (p < 0.0001). In the crossover trial eight of 10 (80%) of the original placebo (control) patients were successfully verted after fetal acoustic stimulation to the maternal abdomen and none of 1 (0%) from the original treatment group were successfully verted after placebo fetal acoustic stimulation (p < 0.0001). Combined data from the original and crossover trials indicates 19 of 22 (86%) successful versions after fetal acoustic stimulation to maternal abdomen compared with one of 12 (8%) that had successful external cephalic version after placebo fetal acoustic stimulation. CONCLUSION: Fetal acoustic stimulation shifts fetal position to spine lateral, which increases successful version of fetuses with midline fetal spine presentations.
R L Johnson; J P Elliott
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Publication Detail:
Type:  Clinical Trial; Comparative Study; Journal Article; Randomized Controlled Trial    
Journal Detail:
Title:  American journal of obstetrics and gynecology     Volume:  173     ISSN:  0002-9378     ISO Abbreviation:  Am. J. Obstet. Gynecol.     Publication Date:  1995 Nov 
Date Detail:
Created Date:  1996-01-16     Completed Date:  1996-01-16     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0370476     Medline TA:  Am J Obstet Gynecol     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  1369-72     Citation Subset:  AIM; IM    
Phoenix Perinatal Associates, Good Samaritan Regional Medical Center, Mesa, AZ 85202, USA.
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MeSH Terms
Acoustic Stimulation*
Birth Weight
Cross-Over Studies
Double-Blind Method
Gestational Age
Infant, Newborn
Version, Fetal / methods*,  nursing
Reg. No./Substance:

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