Objective:To evaluate the effect of hypotensiveanesthesia 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。
2
Study on the preventive treatments and nursing intervention of supine hypotensive syndrome under combined spinal and epidural anesthesia for caesarean section.