Antinociceptive effect of perioperative adenosine infusion in abdominal hysterectomy

被引:46
作者
Segerdahl, M
Irestedt, L
Sollevi, A
机构
[1] Dept. of Anesth. and Intensive Care, Karolinska Hospital, Stockholm
[2] Dept. of Anesth. and Intensive Care, Karolinska Hospital
关键词
analgesia; postoperative pain; anesthesia; volatile; isoflurane; nitrous oxide; pharmacology; adenosine; potency; MAC;
D O I
10.1111/j.1399-6576.1997.tb04726.x
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Background: Adenosine (ADO), and stable analogs thereof, have been shown to exert antinociceptive action in cutaneous and deep somatic pain under experimental and clinical conditions in animals and in humans. The aims of this randomized double-blind placebo-controlled study were to evaluate if a low dose of intravenous (i.v.) ADO could reduce the requirements of volatile anesthetic and postoperative opioid in connection to hysterectomy, where visceral nociception significantly contributes to pain. Methods: Forty-three women, age 32-65 years, ASA I and II, scheduled for abdominal hysterectomy, were assigned to receive an i.v. infusion of either adenosine, 80 mu g . kg(-1) . min(-1), or placebo during surgery. Anesthesia was maintained with isoflurane (ISO)/N2O/O-2 inhalation. Postoperatively, a reduced dose of 40 mu g . kg(-1) . min(-1) was continued for 3 h. Results: The end-tidal (ET-) ISO was equal between groups before surgery. During surgery, the ISO requirement was increased, compared to the preoperative level, in the placebo group, while the requirement declined in the ADO group. The overall ISO requirement in the ADO group was reduced by 36% (P<0.002). The first 24 h postoperative opioid requirement, with equal resting pain in bath groups, was 18% (P<0.05) lower in the ADO group. Conclusion: A low dose of perioperative adenosine infusion in abdominal hysterectomy reduces the requirements of volatile anesthetic and postoperative opioid analgesic. (C) Acta Anaesthesiologica Scandinavica 41 (1997).
引用
收藏
页码:473 / 479
页数:7
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