Objective:To evaluate the effect of hypotensive anesthesia in endoscopic nasal sinus surgery(FESS)for patients with recurrent nasal polyps.
目的：探讨控制性降压麻醉在内镜鼻窦手术中的应用。
Objective To explore the treatment of nasal polyps effect of endoscopic sinus surgery.
目的探讨鼻内窥镜手术治疗鼻息肉的疗效。
Objective: to provide surgical anatomy basis of the lateral nasal wall for endoscopic sinus surgery.
目的：为临床开展鼻窦内窥镜手术提供外科手术解剖学依据。
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