当前位置： SCI文献检索 > JOURNAL OF CARDIOTHORACIC AND VASCULAR ANESTHESIA期刊下所有文献 > High-dose propofol reduces S-100β protein and neuron-specific enolase levels in patients undergoing cardiac surgery.

High-dose propofol reduces S-100β protein and neuron-specific enolase levels in patients undergoing cardiac surgery.

Abstract：

OBJECTIVES:In a variety of experimental models, propofol has been shown to protect the brain. It was hypothesized that a clinically achievable high dose of propofol would induce cerebral protective effects in patients undergoing cardiac surgery with cardiopulmonary bypass (CPB). The authors investigated the effects of different target plasma concentrations of propofol on cerebral injury by measuring serum S-100β protein and neuron-specific enolase (NSE) levels in patients undergoing single-valve replacement with CPB. DESIGN:A prospective, randomized study. SETTING:A university hospital. PARTICIPANTS:Forty-two patients undergoing single-valve replacement with CPB. INTERVENTIONS:Patients were randomly divided into 3 groups (n = 14 each). Each group received a target-controlled infusion of propofol with plasma concentrations of 1.8 μg/mL (low dose, Group-L), 2.4 μg/mL (medium dose, Group-M), or 3.2 μg/mL (high dose, Group-H). The propofol target concentrations were unchanged throughout the surgery. MEASUREMENTS AND MAIN RESULTS:In all 3 groups of patients, at all time points after CPB, the plasma S-100β protein and NSE levels, which served as biochemical markers of brain damage, were significantly higher than the preoperative levels (p<0.05). Group-H showed significant decreases in S-100β protein and NSE compared with Group-L (p< 0.05). CONCLUSION:In the range of commonly used clinical concentrations, administration of a high dose of propofol during CPB attenuated the biochemical markers of brain damage as compared with low-dose propofol anesthesia.

journal_name

J Cardiothorac Vasc Anesth

journal_title

Journal of cardiothoracic and vascular anesthesia

authors

Ma G,Chen J,Meng X,Deng L,Gao Y,Meng J

doi

10.1053/j.jvca.2012.10.013

subject

Has Abstract

pub_date

2013-06-01 00:00:00

pages

510-5

issue

3

eissn

1053-0770

issn

1532-8422

pii

S1053-0770(12)00550-2

journal_volume

27

pub_type

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