Raymond Gibbons, MD (Mayo Clinic, Pres/American Heart Association), said COURAGE trial findings suggest that "hundreds of thousands of Americans with stable angina who received coronary stents did not need them."
Anti-Inflammatory Effects of Pioglitazone and/or Simvastatin in High Cardiovascular Risk Patients With Elevated High Sensitivity C-Reactive Protein The PIOSTAT Study
Coronary collateral circulation is associated with preserved myocardial contractility; preexisting collaterals may be more important than neoangiogenesis for angina & MI patients.