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喉罩(laryngeal mask airway,LMA)由于置入简单,易耐受,在小儿短小手术全身麻醉中已普遍应用[1],但是在保留自主呼吸的长时间小儿复合麻醉中鲜有报道。小儿拇再造手术时间长,平均手术时间在5 h以上,呼吸和镇痛是复合麻醉管理的难点,而通气方式是影响呼吸的主要因素。臂丛神经阻滞、腰硬联合阻滞等技术由于其创伤小、恢复快、镇痛确切等优势在小儿复合麻醉中得以广泛应用。然而在保留
Laryngeal mask airway (LMA) has been widely used in general anesthesia of pediatric short-term surgery due to its simple and easy placement [1], but rarely reported in prolonged pediatric combined anesthesia with spontaneous breathing. Children’s thumb reconstruction surgery a long time, the average operation time in 5 h or more, breathing and analgesia is a complex anesthesia management difficulties, and ventilation is the main factor affecting breathing. Brachial plexus block, combined spinal and dura mater blockage techniques are widely used in pediatric anesthesia due to their minimal trauma, fast recovery, and exact analgesia. However, reservations