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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-66737

Steurer, Marc P; Steurer, Martina A; Baulig, Werner; Piegeler, Tobias; Schlapfer, Martin; Spahn, Donat R; Falk, Volkmar; Dreessen, Pamela; Theusinger, Oliver M; Schmid, Edith R; Schwartz, David; Neff, Thomas A; Beck-Schimmer, Beatrice (2012). Late pharmacologic conditioning with volatile anesthetics after cardiac surgery. Critical Care, 16(5):R191.

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Abstract

INTRODUCTION: The aim of this randomized controlled trial was to investigate whether volatile anesthetics used for postoperative sedation have any beneficial effects on myocardial injury in cardiac surgery patients after on-pump valve replacement. METHODS: Anesthesia was performed with propofol. After arrival in the intensive care unit (ICU), 117 patients were randomized to be sedated for at least 4 hours with either propofol or sevoflurane. Sevoflurane was administered by using the anesthetic-conserving device. Troponin T, creatine kinase, creatine kinase from heart muscle tissue, myoglobin, and oxygenation index were determined on arrival at the ICU, 4 hours after sedation, and in the morning of the first postoperative day (POD1). Primary end points were cardiac injury markers on POD1. As secondary end points oxygenation, postoperative pulmonary complications, and ICU and hospital stay were documented. RESULTS: Fifty-six patients were analyzed in the propofol arm, and 46 patients in the sevoflurane arm. Treatment groups were comparable with regard to patient demographics and intraoperative characteristics. Concentration of troponin T as the most sensitive marker for myocardial injury at POD1 was significantly lower in the sevoflurane group compared with the propofol group (unadjusted difference, -0.4; 95% CI, -0.7 to -0.1; P < 0.01; adjusted difference, -0.2; 95% CI, -0.4 to -0.02; P = 0.03, respectively). CONCLUSIONS: The data presented in this investigation indicate that late postconditioning with the volatile anesthetic sevoflurane might mediate cardiac protection, even with a late, brief, and low-dose application.

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7 citations in Scopus®
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Additional indexing

Item Type:Journal Article, refereed, original work
Communities & Collections:04 Faculty of Medicine > University Hospital Zurich > Clinic for Cardiovascular Surgery
04 Faculty of Medicine > Center for Integrative Human Physiology
04 Faculty of Medicine > University Hospital Zurich > Institute of Anesthesiology
DDC:570 Life sciences; biology
610 Medicine & health
Language:English
Date:2012
Deposited On:16 Nov 2012 14:13
Last Modified:05 Dec 2013 12:59
Publisher:BioMed Central
ISSN:1364-8535
Free access at:PubMed ID. An embargo period may apply.
Publisher DOI:10.1186/cc11676
PubMed ID:23062276

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