鞍麻的缺点：术后头痛、尿潴留的发生率较高，可能造成听力损害。
Disadvantages of saddle anaesthesia: possible postoperative headache, high incidence of uroschesis and possible hearing impairment.
目的：观察超前镇痛用于鼻腔手术后头痛的镇痛效果，探讨其临床应用的可行性。
AIM To observe the analgesic effect of preemptive analgesia on headache following operation on nasal cavity and investigate the feasibility of its clinical application.
目的：观察超前镇痛用于鼻腔手术后头痛的镇痛效果，探讨其临床应用的可行性。
AIM To observe the analgesic effect of preemptive analgesia on headache following operation on nasal cavity and investigate the feasibility of its clinical application.
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