Key result
Coronary artery bypass grafting resulted in a 30% reduction in peak systolic right ventricular tissue Doppler velocities (P <.001), indicating marked impairment of RV function at 3 months.
Why the study?
Does coronary artery bypass grafting (CABG) reduce right ventricular function in patients with preserved or mildly reduced pre-operative ejection fraction?
Observational (n=30)
Does coronary artery bypass grafting (CABG) reduce right ventricular function in patients with preserved or mildly reduced pre-operative ejection fraction?
p-value: p=<.001
Isolated CABG is associated with a significant impairment in right ventricular function at 3 months postoperatively, despite improvements in left ventricular ejection fraction.
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CABG associated with RV impairment at 3 months; leaves open long-term consequences and monitoring needs in preserved EF.
Siddiqui et al. (2012) conducted an observational in Coronary artery disease requiring CABG (n=30). Coronary artery bypass grafting (CABG) vs. Pre-operative baseline was evaluated on Right ventricular tissue Doppler imaging (TDI) velocities (p=<.001). Coronary artery bypass grafting resulted in a 30% reduction in peak systolic right ventricular tissue Doppler velocities (P <.001), indicating marked impairment of RV function at 3 months.
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