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功能性吴窦内窥镜手术（＊＊钻）正成为治疗儿童慢性鼻窦炎的一种常规方法。此手术需有良好的视野，因此，大多数耳鼻喉科医师使用血管收缩药，以达到收缩鼻粘膜和减少术中出血之目的。为寻找理想的血管收缩剂，对57例儿童在全麻下行FESS时应用三种不同血管收缩药的效果进行观
Functional endoscopic sinus surgery (** drilling) is becoming a routine method of treating chronic sinusitis in children. This surgery requires a good field of vision, so most otolaryngologists use vasoconstrictors to shrink nasal mucosa and reduce intraoperative bleeding. In order to find the ideal vasoconstrictor, the effects of three different vasoconstrictors on 57 children undergoing FESS under general anesthesia were observed