One-year outcome after percutaneous coronary intervention for stable and unstable angina pectoris with or without application of general usage of stents in unselected European patient groups.

The outcome after percutaneous coronary intervention (PCI) of all patients treated for stable and unstable angina pectoris from July 1992 to June 1993 (group A [n = 590], of whom 3.7% received stents) was compared with the outcome in patients treated from July 1996 to June 1997 (group B [n = 768], of whom 64.7% received stents).