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KMID : 0350519960490010309
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Journal of Catholic Medical College
1996 Volume.49 No. 1 p.309 ~ p.320
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A Comparison of the Postanesthetic Recovery of Cognitive and Psychomotor Function between Propofol Anesthesia and Enflurane Anesthesia
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Abstract
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In the present study we investigated and compared recovery from anesthesia based on the scoring system with that based on the cognitive and psychomotor function system. The patients were devided into propofol group (n=70) and enflurane group
(n=70).
Steward postanesthesia recovery score was measured as the scoring system.
@ES To estimate the recovery of the cognitive and psychomotor function, we measured the following parameters.
@EN 1) coin counting test, serial seven test and digit symbol substitution test, which were used as a parameter for central processes.
2) digit span test and picture test as memory processes.
3) perceptual speed test as sensory processes.
4) ball-bearing transfer test as motor processes.
The tests were performed at three measure points ; the day before operation and 30, 60 minutes after operation. To standardize the difference of individual baseline ability, the mean performance ratio (the ratio of the score in the postoperative
examination to that in the preoperative examination) in propofol group were compared with those in enflurane group.
@ES The results were as follows;
@EN 1) The conventional Steward postanesthesia recovery score was not suitable for the estimation of "street fitness" after the day-cases anesthesia.
2) In both anesthetic group, the mean performance ratio of postop. 30 min. showed better recovery status than those of postop. 60 min.
3) Propofol group revealed significantly better cognitive and psychomotor function recovery than enflurane group in both postoperative measure points, reaching control values at 60 min. after anesthesia.
4) In enflurane group, 17 in 70 patients and 4 in 70 patients were unable to perform those tests at 30 min. and 60 min. respectively. But in propofol group only 4 in 70 patients were unable to perform those tests at 30 min. At 60 min., all
patients
were completely recovered from anesthesia and able to perform those tests.
5) For the picture test the results were all the same for both postoperative measure points regardless of anesthetic agents.
We concluded that the scoring system was not suitable method for decision of discharge, thus cognitive and psychomotor function test should he performed for ambulatory patients, and propofol was considered to be more suitable anesthetics for
brief
ambulatory surgery than enflurane.
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