Do differences in repeat revascularization explain the antianginal benefits of bypass surgery versus percutaneous coronary intervention?: implications for future treatment comparisons

Circulation: Cardiovascular Quality and Outcomes, 05/17/2012

Among patients with multivessel coronary artery disease treated with percutaneous coronary intervention (PCI) or coronary artery bypass graft (CABG), the occurrence of repeat revascularization during follow–up did not fully explain the antianginal benefit of CABG in the overall population. The differential association between repeat revascularization and anginal status, according to the type of initial revascularization procedure, suggests that this end point should play a limited role in any direct comparison of the 2 treatment strategies.

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