Document Detail

Study of distortion-product otoacoustic emissions during hypothermia in humans.
MedLine Citation:
PMID:  18661015     Owner:  NLM     Status:  MEDLINE    
AIM: To evaluate the function of cochlear outer hair-cells under the influence of extra-corporeal circulation and moderate hypothermia during cardiac surgery. STUDY DESIGN: Prospective clinical study. METHODS: Distortion-product otoacoustic emissions (DPOAE) were registered before surgery, immediately after general anesthesia induction, during extra-corporeal circulation with moderate hypothermia and after the surgical procedure. RESULTS: Comparison of response-amplitudes before and after surgery and before and after general anesthesia initiation did not demonstrate statistical difference. Comparison of amplitudes before and after extra-corporeal circulation with moderate hypothermia demonstrated a statistically significant decrease in responses amplitudes during hypothermia. CONCLUSIONS: The amplitudes of DPOAE decreased during moderate hypothermia induced during extra-corporeal circulation.
Andrei Borin; Oswaldo Laércio Mendonça Cruz
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Brazilian journal of otorhinolaryngology     Volume:  74     ISSN:  1808-8694     ISO Abbreviation:  -     Publication Date:    2008 May-Jun
Date Detail:
Created Date:  2008-07-28     Completed Date:  2008-11-03     Revised Date:  2008-12-12    
Medline Journal Info:
Nlm Unique ID:  101207337     Medline TA:  Braz J Otorhinolaryngol     Country:  Brazil    
Other Details:
Languages:  eng     Pagination:  401-9     Citation Subset:  IM    
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MeSH Terms
Cardiovascular Diseases / surgery
Extracorporeal Circulation
Hair Cells, Auditory, Outer / physiology*
Hypothermia, Induced*
Middle Aged
Otoacoustic Emissions, Spontaneous / physiology*
Perceptual Distortion / physiology*
Prospective Studies

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine

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