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KMID : 0356919930260020303
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Korean Journal of Anesthesiology
1993 Volume.26 No. 2 p.303 ~ p.309
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Acomparative Study of the Prolongation of Epidural Anesthesia with 0.5% Bupivacaine by Epinephrine and Clonidine
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이미경
윤석민/이일옥/임상호/김난숙/최영석
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Abstract
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Epidural clonidine is reported to produce analgesia in humans. To investigate the analgesic effect and prolongation of epidural and spinal anesthesia, we mixed 0.2mg epinephrine, 150mcg clonidine, or 1 cc normal saline with 0.5% bupivacaine and
compared
the hemodynamic and analgesic effects of each drug. Heart rate and blood pressure were checked before, during and after anesthesia. Sensory level was checked by pin-prick method.
@ES The results were as folows;
@EN 1) The analgesia onset time and the time to highest level of sensory loss was most rapid in the epinephrine group.
2) The two segment regression time was significantly prolonged in the epinephrine group.
3) The analgesia duration was significantly prolonged in the clonidine and epinephrine group.
4) Although the heart rate gradually decreased over 60 min. After injection of each drug, there was no significant change between the groups.
5) Blood pressure decreased over 20~30 min. After injection of each drug, but there was no significant change between the groups.
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