“…A graduated increase in physical activity is recommended and psychological and social support should be available (Cay, 1982). Although patient compliance with instructions about smoking (Nussell et al, 1978), diet (Wagner, Ehrnsperger and Mehnert, 1976) and exercise (Oldridge et al, 1978) is often limited, this may reflect a failure in communication. Written material is appreciated by more of the patients (8 1%) than the verbal teaching session with visual aids (76%), although both are complementary.…”