A cohort of 50 patients under 70 years of age who had suffered their first myocardial infarction (MI) entered an exercise-based rehabilitation programme. An extensive personal interview concerning psychosocial factors, including social network and social support, as well as an assessment of an array of clinical and laboratory variables was made before the patients were discharged from the hospital. A follow-up 6 months later of the 40 patients that completed the programme showed that material social support and social anchorage at baseline predicted improvement in physical working capacity, independently from age, gender and important clinical variables. The authors conclude that psychosocial factors could be predictors of equal importance as many of the standard risk factors and clinical assessments in the rehabilitation of a majority of post-MI patients. It is suggested that training programmes should provide opportunities for involvement of the patients' social network, in order to benefit from optimal social support during the rehabilitation process.
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