单次静脉注射乌拉地尔适用于控制性低血压吗？ 关键词: 麻醉, 全身; 乌拉地尔; 控制性低血压 [gap=1373]Key words : Anesthesia, General; Urapidil; Hypotension Deliberate
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deliberate hypotension 控制性降压 ; 控制性低血压
Objective: Deliberate hypotension combined with hypervolemic hemodilution is being widely used for blood conservation in surgical patients.
目的：控制性低血压复合血液稀释技术已经广泛应用于外科手术进行血液保护。
To explore the effects of deliberate hypotension at different levels on cerebral blood flow and definition of surgical fields.
目的观察不同水平控制性降压对鼻内镜手术视野清晰度及脑血流的影响。
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