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Imantalab V, Seddighi Nejad A, Mir Mansouri A, et al. A comparative study of cardioprotective effect of three anesthetic agents by measuring serum level of troponin-T after coronary artery bypass grafting. Int Cardiovasc Res J. 2012;6(3):70-4
Imantalab, V., Seddighi Nejad, A., Mir Mansouri, A., Sadeghi Meibodi, A., Haghighi, M., Dadkhah, H., & Mobayen, M. (2012). A comparative study of cardioprotective effect of three anesthetic agents by measuring serum level of troponin-T after coronary artery bypass grafting. International cardiovascular research journal, 6(3), 70-4.
Imantalab, Vali, et al. "A comparative study of cardioprotective effect of three anesthetic agents by measuring serum level of troponin-T after coronary artery bypass grafting." International cardiovascular research journal vol. 6,3 (2012): 70-4.
Imantalab V, Seddighi Nejad A, Mir Mansouri A, Sadeghi Meibodi A, Haghighi M, Dadkhah H, Mobayen M. A comparative study of cardioprotective effect of three anesthetic agents by measuring serum level of troponin-T after coronary artery bypass grafting. Int Cardiovasc Res J. 2012 Sep;6(3):70-4. Epub 2012 Sep 15. PMID: 24757595; PMCID: PMC3987406.
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Int Cardiovasc Res J. 2012 Sep;6(3):70-4. Epub 2012 Sep 15.

A comparative study of cardioprotective effect of three anesthetic agents by measuring serum level of troponin-T after coronary artery bypass grafting.

International cardiovascular research journal

Vali Imantalab, Abbas Seddighi Nejad, Ali Mir Mansouri, Alimohammad Sadeghi Meibodi, Mohammad Haghighi, Heidar Dadkhah, Mohammadreza Mobayen

Affiliations

  1. Department of Cardiac anesthesia, Rasht University of Medical Sciences, Rasht, IR Iran.
  2. Department of Burn Surgery, Motahari Burn Hospital, Rasht University of Medical Sciences, Tehran, IR Iran.

PMID: 24757595 PMCID: PMC3987406

Abstract

BACKGROUND: Cardiac surgery is associated with some degree of myocardial injury. Preconditioning first described in 1986 was pharmacologic and non- pharmacologic. Among the long list of anesthetic drugs, isoflurane as an inhaling agent along with midazolam and propofol as injectable substances have been documented to confer some preconditioning effects on myocardium.

OBJECTIVES: In this study cardiac Troponin T (cTnT) ,as a reliable marker, was used for evaluating myocardial injury.

METHODS: This prospective double blind study was comprised of 60 patients scheduled for CABG and were randomly assigned into three groups who received infusion of propofol or midazolam or isoflorane. Surgical procedures and anesthetics were similar for 3 groups. cTnT measured preoperatively and at 12, 24 and 36hr after arrival in ICU.

RESULTS: There were no statistically significant differences in mean cTnT levels between three groups in the preoperative period and 12-24 hours after arrival in ICU. However, mean cTnT in 3 groups at 36 hours after arrival in ICU were different (P< 0.013) and cTnT level was significantly higher in midazolam group (P<0.001) and lowest in isoflurane group (P=0.002).

CONCLUSION: There were significant differences on cTnT levels between anesthetic groups of isofluran, midazolam and propofol at 36 hr after surgery. Preconditioning effect of isoflurane was higher than the other two groups.

Keywords: Cardiac Surgery; Ischemia Preconditioning; Isoflurane; Midazolam; Propofol; Troponin T

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