Journal
JOURNAL OF KOREAN NEUROSURGICAL SOCIETY
Volume 56, Issue 2, Pages 135-140Publisher
KOREAN NEUROSURGICAL SOC
DOI: 10.3340/jkns.2014.56.2.135
Keywords
Acidosis; Neurosurgery; Propofol
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Funding
- Industrial Strategic Technology Program of the Ministry of Knowledge Economy [10041120]
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Objective : Propofol and volatile anesthesia have been associated with metabolic acidosis induced by increased lactate. This study was designed to evaluate changes in pH, base excess (BE), and lactate in response to different anesthetic agents and to characterize propofol infusion-associated lactic acidosis. Methods : The medical records of patients undergoing neurosurgical anesthesia between January 2005 and September 201 2 were examined. Patients were divided into 2 groups : those who received propofol (total intravenous anesthesia, TIVA) and those who received sevoflurane (balanced inhalation anesthesia, BIA) anesthesia. Propensity analysis was performed (1 : 1 match, n=47), and the characteristics of the patients who developed severe acidosis were recorded. Results : In the matched TIVA and BIA groups, the incidence of metabolic acidosis (11% vs. 13%, p=1) and base excess (p>0.05) were similar. All patients in the TIVA group who developed severe acidosis did so within 4 hours of the initiation of propofol infusion, and these patients improved when propofol was discontinued. Conclusions : The incidence of metabolic acidosis was similar during neurosurgical anesthesia with propofol or sevoflurane. In addition, severe acidosis associated with propofol infusion appears to be reversible when propofol is discontinued.
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