【正文】
agonists on chronic pain or hyperanalgesia remains unclear because valid data are lacking.,18,第十八頁,共二十五頁。d),3組給予舒芬太尼110 ug/(kgi),Iwakiri, H., Y. Oda, et al. (2012). “The efficacy of continuous infusion of low dose dexmedetomidine for postoperative patients recovering in general wards.“ Eur J Anaesthesiol 29(5): 251254.,15,第十五頁,共二十五頁。ngm224。,10,第十頁,共二十五頁。,局部(j,鎮(zhèn)痛作用(zu242。i n237。,3,第三頁,共二十五頁。 ②脊髓水平的鎮(zhèn)痛,通過激動脊髓突觸前膜和后膜上的α2受體,使細(xì)胞產(chǎn)生超極化,從而使傳遞的疼痛信號受抑制。nzhě)隨機分三組,每組20人; control組靜脈和關(guān)節(jié)腔內(nèi)給予N.S;intraarticular組靜脈給予N.S,關(guān)節(jié)腔內(nèi)給予DEX; i.v. 組靜脈給予DEX,關(guān)節(jié)腔內(nèi)給予N.S ;〔DEX 1 ug/ kg〕 結(jié)論:關(guān)節(jié)內(nèi)應(yīng)用優(yōu)于靜脈應(yīng)用優(yōu)于對照,AlMetwalli, R. R., H. A. Mowafi, et al. (2022). “Effect of intraarticular dexmedetomidine on postoperative analgesia after arthroscopic knee surgery.“ Br J Anaesth 101(3): 395399.,8,第八頁,共二十五頁。o AC, Pereira FA, Costa ED, Fonseca CE. [Epidural clonidine or dexmedetomidine for postcholecystectomy analgesia and sedation.]. Rev Bras Anestesiol. 2004 Aug。ngm224。i),Lin等觀察了100名經(jīng)腹全子宮切除術(shù)后采取不同的患者自控靜脈鎮(zhèn)痛方案的婦女,隨機分為Dex與嗎啡復(fù)合組和嗎啡單藥組,結(jié)果發(fā)現(xiàn)術(shù)后24 h復(fù)合組嗎啡的用量比單藥組減少了29%,同時術(shù)后2 h起,患者的疼痛評分VAS明顯低于單藥組,其次,術(shù)后24 h惡心、嘔吐的發(fā)生率也低于單藥組。三組術(shù)后鎮(zhèn)痛持續(xù)劑量2 mL/h。ngl236。,病例(b236。,病例(b236。,24,第二十四頁,共二十