Recently published studies prove a favourable long term prognosis after coronary angioplasty, especially in patients with single vessel disease. PTCA success, progression of atherosclerosis, cardiac risk factors, extent of coronary artery disease and left ventricular function are determinants of the long term outcome. A lasting PTCA success can be assumed in patients without evidence of restenosis 6 months after PTCA. These observations are helpful criteria in the assessment of insurance risks.