EFFECT OF ADRENALINE ON VENOUS PLASMA-CONCENTRATIONS OF BUPIVACAINE AFTER INTERPLEURAL ADMINISTRATION

被引:19
作者
GIN, T
CHAN, K
KAN, AF
GREGORY, MA
WONG, YC
OH, TE
机构
[1] CHINESE UNIV HONG KONG,DEPT PHARMACOL,SHA TIN,HONG KONG
[2] CHINESE UNIV HONG KONG,DEPT CHEM,SHA TIN,HONG KONG
关键词
Anaesthetic techniques: interpleural; Analgesia: postoperative; Pharmacokinetics: bupivacaine;
D O I
10.1093/bja/64.6.662
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Summary: Bupivacaine 2.5 mg kg-1 (0.5 ml kg-1 of 0.5% solution), with or without adrenaline 5 μg ml-1, was administered by interpleural injection to 12 patients after elective cholecystectomy. Non-compartmental analysis indicated that the addition of adrenaline had no effect on total body clearance, apparent volume of distribution at steady state or elimination half-life of bupivacaine. However, peak plasma concentrations were lower in the adrenaline group (mean (SD) [range]: 2.57 (0.61) [1.52-3.11] VS 3.22 (0.27) [2.84-3.53] μg ml-1, P < 0.05) and the time to maximum concentration was delayed (median [range]: 25 [15-30] VS 15 [10-20] min, P < 0.05). Analgesia was variable and no differences were detected between the two groups. The addition of adrenaline appears prudent to minimize possible bupivacaine toxicity. © 1990 British Journal of Anaesthesia.
引用
收藏
页码:662 / 666
页数:5
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