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蛛网膜下腔与硬膜外联合阻滞具有起效快、效果确切、麻醉时间可调控的优点。鞘内注射新斯的明(neostigmine)能有效延长术后镇痛作用,但其主要副作用恶心呕吐发生率高,而限制了其临床应用。硬膜外注射氟
Subarachnoid and epidural block with rapid onset, the exact effect of anesthesia time can be controlled advantages. Intrathecal injection of neostigmine (neostigmine) can effectively prolong the postoperative analgesic effect, but its main side effects of nausea and vomiting high incidence, which limits its clinical application. Epidural injection of fluorine