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。
Study on the preventive treatments and nursing intervention of supine hypotensive syndrome under combined spinal and epidural anesthesia for caesarean section.
探讨剖宫产腰硬联合麻醉下仰卧位低血压综合征的预防和护理方法。
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