Abstract:Introduction and objectives: Previous studies have shown that after coronary artery bypass grafting (CABG), heart rate variability (HRV) becomes decreased. The aim of this study was to evaluate the role of decreased heart rate variability in coronary artery bypass grafting patients. Methods: The study involved 119 consecutive patients who underwent the first CABG operation with sinus rhythm. All subjects underwent assessed with 24-hour Holter recordings 2 days preoperative and 7 days postoperative at Hanoi Hea… Show more
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