Document Detail

Miniature intravascular pCO2 sensors in neurosurgery.
MedLine Citation:
PMID:  1185248     Owner:  NLM     Status:  MEDLINE    
In this study the authors compared PaCO2 measurements from a newly developed miniature intravascular pCO2 sensor for continuous on-line monitoring with those from a Radiometer bench instrument. In 10 patients undergoing craniotomy procedures, 84 paired comparisons were made. At the same time it was possible to follow continuously the trend of PaCO2 during deliberate hyperventilation, during the apneic period following hyperventilation, and during spontaneous respiration in the postoperative period. The comparisons showed an average difference in pCO2 of 1.62 +/- SE 0.15 torr. The apneic threshold for PaCO2 after passive hyperventilation was lower than in the awake patient. After the period of apnea no hypoxemia occurred. In the recovery room the PaCO2 increased and the PaO2 decreased. The latter decreased to subnormal levels in two patients more than an hour postoperatively.
J Neumark; A Bardeen; E Sulzer; J P Kampine
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Publication Detail:
Type:  Comparative Study; Journal Article; Research Support, U.S. Gov't, Non-P.H.S.    
Journal Detail:
Title:  Journal of neurosurgery     Volume:  43     ISSN:  0022-3085     ISO Abbreviation:  J. Neurosurg.     Publication Date:  1975 Aug 
Date Detail:
Created Date:  1976-01-10     Completed Date:  1976-01-10     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0253357     Medline TA:  J Neurosurg     Country:  UNITED STATES    
Other Details:
Languages:  eng     Pagination:  172-6     Citation Subset:  AIM; IM    
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MeSH Terms
Apnea / blood
Blood Gas Analysis / instrumentation*
Blood Pressure Determination / instrumentation
Blood Specimen Collection / instrumentation
Carbon Dioxide / blood*
Hyperventilation / blood
Maximum Allowable Concentration
Monitoring, Physiologic / instrumentation
Neurosurgery / instrumentation
Partial Pressure
Postoperative Care
Reg. No./Substance:
124-38-9/Carbon Dioxide

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

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