据报道 ,皮质类固醇可减轻口腔手术后病人的伤口疼痛 ,也可减轻化疗病人并发的恶心、呕吐 ,这与地塞米松抑制前列腺素合成和增加内啡肽释放有关。为了了解皮质类固醇治疗能否因抑制免疫功能而影响手术创伤的愈合 ,作者选择门诊肛肠手术病人 80例按随机双盲法应用单剂量地塞米松 Corticosteroids have been reported to reduce the pain of wounds in patients after oral surgery and to reduce the concurrent nausea and vomiting in patients treated with dexamethasone, which is associated with inhibition of prostaglandin synthesis and increased endorphin release. In order to understand whether corticosteroid therapy can affect the healing of surgical trauma due to the suppression of immune function, the authors chose 80 patients undergoing anorectal surgery as a randomized, double-blind, single-dose dexamethasone