Coronary artery bypass graft (CABG) surgery has long been adopted as the treatment of choice for patients with left main (LM) coronary obstructions. In the past, randomised trials and observational studies have shown an advantage in survival of CABG against medical treatment. Recent studies comparing CABG with percutaneous coronary intervention (PCI) suggested that angioplasty may play a role as an alternative choice. However, well designed randomised trials to evaluate the relative merits of both therapeutic approaches are lacking. In this article, we review the current scientific evidences and outline issues that currently still need to be addressed in comparing CABG versus PCI for the treatment of LM disease.
Erasmus MC: University Medical Center Rotterdam

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