关键词:七氟醚;硝普钠;降压,控制性;血液动力学
摘要 目的:比较七氟醚和硝普钠控制性降压对犬血液动力学的影响。方法:将14只杂种犬随机分为七氟醚组和硝普钠组,吸入七氟醚或静滴硝普钠,使MAP降至8kPa,维持30分钟后停药。持续监测MAP、HR、CO、CVP、SV和SVR等指标。结果:在控制性降压期间,七氟醚组和硝普钠组CO分别减少30.7%和21.6%;七氟醚组HR明显减慢(P <0.01),而硝普钠组则不明显;硝普钠和七氟醚均降低SVR,且硝普钠更甚。停药后30分钟,两组SVR显著增加,MAP同步上升且超过基础值水平,而CO仍处于降压期的低水平。结论;与硝普钠相比,七氟醚对循环有抑制作用,但用于控制性降压仍安全有效。
Hemodynamic effects of induced hypotension with sevoflurane or nitroprusside
Wang Gang,Zhang Zhijian,Zhang Hong.Department of Anesthesiology,General Hospital of Chinese PLA,Beijing 100853
Abstract Objective:To compare the effects of induced hypotensions with sevoflurane and nitroprusside on hemodynamics in dogs.Method:Fourteen mongrel dogs were randomly divided into sevoflurane group and nitroprusside group.After experimental preparation ......
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