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CLINICAL INVESTIGATION
Year : 2015  |  Volume : 59  |  Issue : 3  |  Page : 150-155

Comparative evaluation of the effects of propofol and sevoflurane on cognitive function and memory in patients undergoing laparoscopic cholecystectomy: A randomised prospective study


Department of Anaesthesiology, Deen Dayal Upadhyay Hospital, New Delhi, India

Correspondence Address:
Upasana Goswami
153, New Ashiana Apartments, Plot No. 10, Sector 6, Dwarka, New Delhi - 110 075
India
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Source of Support: None, Conflict of Interest: None


DOI: 10.4103/0019-5049.153036

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Background and Aims: General anaesthesia (GA) may cause post-operative impairment of cognition and memory. This is of importance where time to discharge after anaesthesia is short as after laparoscopic cholecystectomy. This study was conducted to compare the effects of propofol and sevoflurane on cognitive function in the post-operative period. Methods: After approval of the Ethical Committee, 80 female patients posted for laparoscopic cholecystectomy to be performed under GA were randomly divided into two groups. Propofol was used in Group P and sevoflurane in Group S. Data analysis was done with California verbal learning test (CVLT), digit span test (DST), Rivermead behavioural memory test (RBMT), mini mental state examination (MMSE) score, and semantic memory tests. Aldrete recovery scoring system and visual analogue scale for pain were assessed post-operatively. The level of statistical significance was set at P < 0.05. Results: There was no significant difference in demographic and haemodynamic data. Cognition and explicit memory were affected more in the propofol group in the immediate post-operative period. With majority of tests, such as semantic memory test, MMSE score, DST and RBMT, the difference was insignificant at 2 and 4 h post-operatively. But CVLT values were found to be statistically significant between groups even at 4 h. Conclusion: Propofol was associated with significant impact on cognitive functions in comparison to sevoflurane in the immediate post-operative period. Sevoflurane anaesthesia might be a better option in day care surgeries.


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