Predictors of health-related quality of life in korean patients with myocardial infarction: a longitudinal observational study

Abstract

BackgroundExperience of myocardial infarction (MI) negatively affects different aspects of health-related quality of life (HRQoL). ObjectivesThis study aimed to examine trends in HRQoL of MI patients and to identify demographic, clinical and psychosocial predictors of HRQoL at three months. MethodsA total of 150 patients in South Korea were completed the study questionnaires at baseline. After three months from discharge, 136 participants completed follow-up questionnaires, including the Korean version of the MacNew Quality of Life after Myocardial Infarction Questionnaire (MacNew). ResultsHRQoL significantly improved over three months. Younger age, ST-elevation MI, and higher LVEF, lower level of depression, better understanding of the illness and higher perceived social support at baseline were associated with better HRQoL at three months. ConclusionProviding adequate information about the illness and social support as well as reducing negative psychological experiences in early days after MI may improve HRQoL of MI patients.