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Lidocaine을 혼합한 Bupivacaine의 고비중 척추마취시 회복시간

Other Titles
 Duration of Bupivacaine Mixed by Lidocaine in Hyperbaric Spinal Anesthesia 
 이성진  ;  민경태  ;  윤경봉  ;  신양식  ;  이윤창  ;  구본녀  ;  배선준 
 KOREAN JOURNAL OF ANESTHESIOLOGY, Vol.46(6) : 679-683, 2004 
Journal Title
Issue Date
ambulatory surgery ; bupivacaine ; lidocaine ; neurotoxicity ; rapid recovery ; spinal anesthesia
Background: Although lidocaine seems to be one of the most suitable spinal anesthetics for ambulatory surgery, the safety of lidocaine for spinal anesthesia has been called into question by report of transient neurologic toxicity. So diluted bupivacaine with opioids or adrenergic receptor agonist can replace spinal lidocaine, but delayed awakening, pruritis, intraoperative weak motor block are unsolved problems. This study explored the possibility of solving the unmerited problem to mix bupivacaine and plain lidocaine in spinal anesthesia for transurethral surgery. Methods: Fifty patients presented for transurethral resection of bladder or prostate. The duration was expected to less one hour. All patients were randomized to two groups receiving the following spinal anesthetics: GroupⅠ(7.5 ㎎ bupivacaine), 1.5 ml of 0.5% spinal bupivacaine in 8% dextrose + 0.6 ml saline; Group Ⅱ (7.5 ㎎ bupivacaine + 6 ㎎ lidocaine), 1.5 ml of 0.5% spinal bupivacaine in 8% dextrose + 0.6 ml 1% plain lidocaine. The sensory and motor block level were checked via pinprick test and modified Bromage score. Results: The highest level of sensory block was not different in groupⅠ and group Ⅱ [median (range): T8 (T5-T9) vs. T8 (T5-T10)]. Onset time to peak block was similar in both groups (11 ± 2 vs. 11 ± 4 min). Time to two-segment regression (49 ± 10 vs. 42 ± 10 min; P < 0.05), L1 regression (139 ± 27 vs. 113 ± 24 min; P < 0.01), S2 regression (200 ± 41 vs, 158 ± 38 min; P < 0.01) were significantly reduced in group Ⅱ. No clinical evidence of transient neurologic toxicity was found. Modified Bromage score to evaluate for motor block was not different at the same sensory block level. Conclusions: Bupivacaine and lidocaine mixture as spinal anesthetics provided the combination of adequate depth of anesthesia and rapid recovery.
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1. College of Medicine (의과대학) > Dept. of Anesthesiology and Pain Medicine (마취통증의학교실) > 1. Journal Papers
Yonsei Authors
Koo, Bon-Nyeo(구본녀) ORCID logo https://orcid.org/0000-0002-3189-1673
Min, Kyeong Tae(민경태) ORCID logo https://orcid.org/0000-0002-3299-4500
Bai, Sun Joon(배선준) ORCID logo https://orcid.org/0000-0001-5027-3232
Shin, Yang Sik(신양식)
Yoon, Kyoung Bong(윤경봉) ORCID logo https://orcid.org/0000-0002-4167-1375
Lee, Sung Jin(이성진)
Lee, Yoon Chang(이윤창)
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