Optimal medical therapy is a proven option for chronic stable angina.

The authors of the meta-analysis of a percutaneous coronary intervention (PCI)-based invasive strategy for improving prognosis for the treatment of angina conclude that a pooling of data from various studies can be sufficiently powered to evaluate the impact of PCI on long-term mortality. However, most randomized coronary artery patient trials have insufficient power to detect significant differences in hard end points. Randomized trials in patients with chronic stable angina enroll few patients who are over age 65 years, have depressed ventricular function, have clinical instability, or who have undergone previous coronary artery bypass grafting (CABG) or PCI. "Medical therapy" today no longer means the absence of PCI, but rather the presence of intensive, evidence-based pharmacologic intervention. The COURAGE (Clinical Outcomes Utilizing Revascularization and Aggressive druG Evaluation) trial randomized 2,287 patients to optimal medical therapy alone or optimal medical therapy plus PCI. Optimal medical therapy consisted of antiplatelet therapy, anti-ischemic therapy, and aggressive lipid and blood pressure control. Based on the strength of the evidence, the author of this commentary recommends more-aggressive medical therapy for patients with moderate-to-severe angina, and PCI or CABG for many patients in whom symptoms persist. Optimal medical therapy is a proven option for chronic stable angina.