Document Detail

The acoustic stimulation test in the anencephalus: preliminary results.
MedLine Citation:
PMID:  2625655     Owner:  NLM     Status:  MEDLINE    
It is not yet clear whether the acoustic stimulus influences the fetus by auditory or vibrational pathways. The anencephalic fetus is an interesting model for the study of the pathway for receipt of acoustic stimulation because of the near absence of cerebral hemispheres. After the traditional nonstress test (NST), the response to acoustic stimulation was assessed in eight fetal heart rate (FHR) recordings of six anencephalic fetuses of gestational age between 18 and 39 weeks. Although four preterm fetuses demonstrated nonreactive results in the NST, two term fetuses revealed reactive NSTs. However, none of these six anencephalic fetuses responded to acoustic stimulation. These data suggest that the cerebral cortex is the origin or transmission route of the FHR response to acoustic stimulation. We hypothesize that the normal fetus might receive externally applied sounds via auditory pathways rather than vibratory pathways, at least in term pregnancy.
M I Park; D S Kim
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Journal of perinatal medicine     Volume:  17     ISSN:  0300-5577     ISO Abbreviation:  J Perinat Med     Publication Date:  1989  
Date Detail:
Created Date:  1990-04-02     Completed Date:  1990-04-02     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0361031     Medline TA:  J Perinat Med     Country:  GERMANY, WEST    
Other Details:
Languages:  eng     Pagination:  329-31     Citation Subset:  IM    
Department of Obstetrics and Gynecology, College of Medicine, Hanyang University Hospital, Seoul, Korea.
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MeSH Terms
Acoustic Stimulation*
Anencephaly / diagnosis*
Brain / abnormalities
Heart Rate, Fetal
Prenatal Diagnosis / methods

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