Key result
CABG acutely depresses global LV function post-bypass before significant recovery at 30 days.
Why the study?
The effect of coronary artery bypass grafting surgery on global and regional myocardial function before and immediately after the procedure was not fully characterized.
Does coronary artery bypass grafting (CABG) surgery improve global and regional myocardial function in patients undergoing elective CABG?
Comparison
Myocardial function before and after CABG surgery
Design
Observational study using intraoperative and follow-up transesophageal echocardiography
Follow-up
1 month
Authors
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Post-CPB LV depression resolves with 1-month gains in dysfunctional segments; leaves open whether TEE monitoring refines risk stratification in larger cohorts.
Observational (n=25)
Does coronary artery bypass grafting (CABG) surgery improve global and regional myocardial function in patients undergoing elective CABG?
Successful coronary revascularization via CABG provides significant improvement in contractility in regions with chronic left ventricular dysfunction.
Mavi et al. (2005) conducted an observational in Elective coronary artery bypass grafting (n=25). Coronary artery bypass grafting (CABG) vs. Pre-operative baseline was evaluated on Global and regional myocardial function. Coronary artery bypass grafting significantly depressed global left ventricular function at 5 minutes post-bypass, which returned to baseline at 30 minutes and significantly improved at 30 days.
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