Abstract
BackgroundFew studies have focused on the association between the sociodemographic characteristics of a patient with the change in health-related quality of life (HRQOL) following invasive coronary procedures, and the results remain inconclusive. The objective of the present study was to measure the temporal changes in HRQOL of patients with coronary heart disease, and assess how these changes are associated with invasive coronary procedures and sociodemographic characteristics.MethodsThis was a prospective study of 254 patients with angina pectoris and 90 patients with acute coronary syndrome. HRQOL was assessed with the multi-item scales and summary components of the SF-36, both 6 weeks and 2 years after baseline hospitalization in 1998. Paired t-tests and multiple regression analyses were used to assess temporal changes in HRQOL and to identify the associated factors.ResultsPhysical components of HRQOL had improved most during the 2 years following invasive coronary procedures. Our findings indicated that patients with angina pectoris who were younger, male, and more educated were most likely to increase their HRQOL following invasive coronary procedures. When adjusting for baseline HRQOL scores, invasive coronary procedures and sociodemographic characteristics did not explain temporal changes in patients with acute coronary syndrome, possibly due to higher comorbidity.ConclusionSociodemographic characteristics should be taken into account when comparing and interpreting changes in HRQOL scores in patients with and without invasive coronary procedures.
Highlights
Few studies have focused on the association between the sociodemographic characteristics of a patient with the change in health-related quality of life (HRQOL) following invasive coronary procedures, and the results remain inconclusive
Most studies investigating the association between sociodemographic characteristics and HRQOL in patients with coronary heart disease (CHD) focus on cross-sectional group comparisons [5,6,7,8,9,10,11]
Studies assessing the effect of invasive coronary procedures on HRQOL, have shown that HRQOL improves after intervention [16,17,18,19,20] to levels similar to population norms [21,22,23]
Summary
Few studies have focused on the association between the sociodemographic characteristics of a patient with the change in health-related quality of life (HRQOL) following invasive coronary procedures, and the results remain inconclusive. Longitudinal studies on the association between sociodemographic characteristics and HRQOL have indicated that being female [12,13,14] and lower socioeconomic status [15] are associated with less temporal improvement in HRQOL. These studies, lacked information on medical interventions and focused on short-term changes lasting only up to 1 year. Some of these studies were clinical trials and involved very selective populations
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