Int J Surg:胸腔镜手术后胸腔内镇痛所需的0.75%罗哌卡因的更佳剂量

2020-06-29 MedSci原创 MedSci原创

胸腔镜手术后因咳嗽引起的疼痛仍是一个临床问题,通过胸腔内镇痛来缓解疼痛尚未得到广泛的研究。本研究旨在确定胸腔镜手术后胸腔内镇痛所需的0.75%罗哌卡因的合适量。

胸腔镜手术后因咳嗽引起的疼痛仍是一个临床问题,通过胸腔内镇痛来缓解疼痛尚未得到广泛的研究。本研究旨在确定胸腔镜手术后胸腔内镇痛所需的0.75%罗哌卡因的合适量。

 

我们进行了一项双盲、随机、对照试验。将45名患者随机分为三组。R20、R15和R10(n=15);当术后咳嗽引起的疼痛评分≥4分时,分别向3组患者的胸膜腔内注射20ml、15ml或10ml0.75%罗哌卡因。主要结果为咳嗽时的疼痛评分(C-NRS),次要结果为静息时的疼痛评分(R-NRS)、吗啡消耗量、起效时间和胸膜内镇痛时间。

 

结果显示,R20组和R15组的所有患者均报告在术后咳嗽时,胸腔内注射后疼痛得到有效缓解。但R10组仅有7例患者报告疼痛有效缓解。与R10组患者相比,R20组和R15组患者的C-NRS评分较低,8 h和24 h的吗啡消耗量较少,疼痛缓解时间较短,镇痛时间较长。三组间R-NRS无明显差异。

 

综上所述,该研究结果表明,胸腔内镇痛用0.75%罗哌卡因,用量为15 ml或20 ml,可有效缓解胸腔镜手术后咳嗽引起的疼痛。

 

原始出处:

 

Sisi ChenXiaona Zhu,et al., Optimal Dose of Ropivacaine for Relieving Cough-Pain After Video-Assisted Thoracoscopic Lobectomy by Single Intrapleural Injection: A Randomized, Double-Blind, Controlled Study. Int J Surg. 2019 Sep;69:132-138.doi: 10.1016/j.ijsu.2019.05.013. 

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