Recovery of Left Ventricular Function After Percutaneous Coronary Intervention Compared to Coronary Artery Bypass Grafting in Patients with Multi-Vessel Coronary Disease and Left Ventricular Dysfunction.
Recovery of left ventricular (LV) function after revascularization has been described for coronary artery bypass grafting (CABG); however, LV recovery after percutaneous coronary intervention (PCI), and how it compares to CABG has not been well described in the literature. The aim of this single center retrospective study was to evaluate LV recovery in patients with severely reduced LV function undergoing PCI compared to those undergoing CABG. Patients with LV ejection fraction (LVEF) < 40% and multivessel coronary artery disease (CAD) undergoing revascularization with either CABG (n=16) or PCI (n=176), and with 12 months of follow up data were included in the study. LVEF at baseline exhibited significant differences between PCI (28.5 ± 8.0) and CABG (24.2 ± 6.8) groups (P=.05). LVEF recovery at 6-month follow up showed no difference between PCI and CABG groups. LVEF recovery differences at one-year follow-up was significantly different between PCI (4.82) and CABG (15.25) groups (P=.005). Patients with severely reduced LV function undergoing multivessel PCI had a statistically significant increase in LVEF over time; however patients undergoing CABG demonstrated greater gains in LVEF over the same time period. Surgical revascularization with CABG may be a procedure of choice in patients with depressed LV function and multivessel CAD.
Undergraduate, Tufts University, Medford, MA.
Noa P
NP
Yee
Undergraduate, Tufts University, Medford, MA.
Andrea M
AM
Siu
Undergraduate, Tufts University, Medford, MA.
James
J
Davis
Undergraduate, Tufts University, Medford, MA.
John
J
Kao
D000368:Aged; D000369:Aged, 80 and over; D001026:Coronary Artery Bypass / Q000706:statistics & numerical data*; D003324:Coronary Artery Disease / Q000601:surgery*; D005260:Female; D005500:Follow-Up Studies; D006801:Humans; D008297:Male; D008875:Middle Aged; D017063:Outcome Assessment, Health Care / Q000706:statistics & numerical data*; D062645:Percutaneous Coronary Intervention / Q000706:statistics & numerical data*; D018487:Ventricular Dysfunction, Left / Q000601:surgery*; D016277:Ventricular Function, Left / Q000502:physiology*
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