The effects of propofol on hemodynamics and renal blood flow in healthy and in septic sheep, and combined with fentanyl in septic sheep

被引:27
|
作者
Booke, M
Armstrong, C
Hinder, F
Conroy, B
Traber, LD
Traber, DL
机构
[1] UNIV TEXAS,MED BRANCH,DEPT ANESTHESIOL,GALVESTON,TX 77555
[2] UNIV TEXAS,MED BRANCH,DEPT PHYS & BIOPHYS,GALVESTON,TX 77555
来源
ANESTHESIA AND ANALGESIA | 1996年 / 82卷 / 04期
关键词
D O I
10.1097/00000539-199604000-00011
中图分类号
R614 [麻醉学];
学科分类号
100217 ;
摘要
Sepsis is characterized by myocardial depression and systemic vasodilation, both of which are most likely mediated by nitric oxide. Propofol inhibits nitric oxide synthase and may therefore be beneficial in sepsis. On the other hand, renal blood flow, known to be only minimally affected by propofol in healthy subjects, may be drastically reduced in septic individuals, because the renal microvasculature is known to be very sensitive to nitric oxide. In this study, the effects of propofol in healthy and in septic sheep, and in combination with fentanyl, were analyzed and compared with nonanesthetized septic sheep. In healthy sheep, propofol caused only minor hemodynamic changes. In septic sheep, however, hemodynamics deteriorated. Renal blood flow was reduced to 60% +/- 10% of the preseptic baseline and to 39% +/- 4% of the septic value. This reduction was selective, since the cardiac output decreased significantly less. These adverse effects of propofol on hemodynamics and renal blood flow were reduced when propofol was combined with fentanyl.
引用
收藏
页码:738 / 743
页数:6
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