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目的 探讨超声引导腹直肌鞘阻滞在腹膜透析置管术中的麻醉安全性和有效性,同时观察应用不同浓度罗哌卡因的麻醉效果及对术后疼痛的影响.方法 75例行腹膜透析管置入术尿毒症患者随机分为三组,A组:0.375％罗哌卡因20 ml;B组:0.5％罗哌卡因20 ml;C组:0.5％罗哌卡因15 ml.超声引导下单侧腹直肌鞘阻滞.结果 术中补救镇痛次数A组较B组和C组有统计学意义(P＜0.05).B组和C组患者较A组总体满意度高,有统计学差异(P＜0.05).结论 超声引导下罗哌卡因腹直肌鞘阻滞麻醉方法,在终末期肾病患者腹膜透析管植入术中安全有效,不良反应少,患者满意度高.“,”Objective To observe intraoperative effects of ultrasound guided rectus sheath block(RSB) in patients undergoing catherization for peritoneal dialysis.Methods Seventy five ASA Ⅲ patients undergoing catherization for peritoneal dialysis were randomly divided into three groups(n =25 each):0.375％ ropivacaine 20 ml group (group A),0.5％ ropivacaine 20 ml group (group B),and 0.5％ ropivacaine 15ml group(group C).Ultrasound guided bilateral RSB was performed.Results Compared with group B and C,there was more rescue analgesia in group A (P＜0.05).Patients in group B and C are more satisfaction than whom in group A (P＜0.05).Conclusions The method of ultrasound guided rectus sheath block with ropivacaine was safe and efficacy in patients undergoing catherization for peritoneal dialysis.