期刊
JOURNAL OF NEUROSURGICAL ANESTHESIOLOGY
卷 35, 期 1, 页码 31-40出版社
LIPPINCOTT WILLIAMS & WILKINS
DOI: 10.1097/ANA.0000000000000783
关键词
intraoperative hypotension; vasopressors; network meta-analysis; cerebral oxygen saturation; cerebral oximetry; cerebral perfusion
One of the main concerns of intraoperative hypotension is the adequacy of cerebral perfusion. Treatment options for intraoperative hypotension include the use of different drugs, such as inotropes and vasopressors, but there is no consensus on the preferred drug. A network meta-analysis was conducted to compare the effect of various inotropes/vasopressors on cerebral oxygen saturation (ScO2) in patients undergoing surgery under anesthesia. Results showed that dopamine, ephedrine, and norepinephrine had the lowest probability of decreasing ScO2.
One of the main concerns of intraoperative hypotension is adequacy of cerebral perfusion, as cerebral blood flow decreases passively when mean arterial pressure falls below the lower limit of cerebral autoregulation. Treatment of intraoperative hypotension includes administration of drugs, such as inotropes and vasopressors, which have different pharmacological effects on cerebral hemodynamics; there is no consensus on the preferred drug to use. We performed a network meta-analysis (NMA) to pool and analyze data comparing the effect on cerebral oxygen saturation (ScO2) measured by cerebral oximetry of various inotropes/vasopressors used to treat intraoperative hypotension. We searched randomized control trials in Embase, Ovid Medline, Scopus, Cochrane Central Register of Controlled Trials, and Web of Science. We included studies that enrolled adult patients undergoing surgery under general/spinal anesthesia that compared at least 2 inotropes/vasopressors to treat hypotension. We reviewed 51 full-text manuscripts and included 9 randomized controlled trials in our study. The primary outcome was change in ScO2. Our results showed the likelihood that dopamine, ephedrine, and norepinephrine had the lowest probability of decreasing ScO2. The suggested rank order to maintain ScO2, from higher to lower, was dopamine
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