Annals of Thoracic Medicine Official publication of the Saudi Thoracic Society, affiliated to King Saud University
 
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ORIGINAL ARTICLE
Year : 2009  |  Volume : 4  |  Issue : 3  |  Page : 137-139

Effects of preoperative magnesium therapy on arrhythmias and myocardial ischemia during off-pump coronary surgery


Department of Cardiovascular Surgery, Osmangazi University Medical School and Research Hospital, Eskisehir, Turkey

Correspondence Address:
Yavuz Besogul
Batikent mah.Costu sok. No:67/22 Alpata Evleri. Eskisehir
Turkey
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DOI: 10.4103/1817-1737.53355

PMID: 19641645

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Background: Heart manipulation during off-pump coronary artery bypass surgery may cause hemodynamic instability, and temporary coronary arterial occlusion may lead to myocardial ischemia. To reduce this, perioperative β -blocking agents or calcium antagonists can be administrated. The effects of perioperative administration of magnesium on myocardial function were studied in patients undergoing coronary artery bypass grafting. Objective: The aim of the study was to evaluate the effects of preoperative magnesium administration on perioperative hemodynamia, ventricular arrhythmias and myocardial protection. Materials and Methods: We reviewed 2 groups of patients undergoing off-pump coronary artery bypass surgery - 24 patients (control group) that had not received preoperative intravenous infusion of magnesium and 23 patients (treatment group) that had received preoperative intravenous magnesium sulfate. Results: The results demonstrated that it had reduced the heart rate, changes of ST segments, the need of β -blocking agents and the use of intra-operative intra-aortic balloon pump and the inotropic usage. Conclusion: This treatment may provide hemodynamic optimization during off-pump coronary artery bypass.


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