Outcomes of coronary artery surgery: determinants of quality of life related to postoperative health]
REVISTA ESPANOLA DE CARDIOLOGIA(2001)
Abstract
Background and objectives. Little is known of the clinical and nonclinical determinants of health related quality of life after coronary artery bypass graft in routine clinical practice. The aim of this study was to assess the quality of life and its determinants after a first coronary bypass in a representative population of Catalonia, Spain. Patients and method. Clinical and quality of life questionnaires were given to all the patients and public Catalan hospitals, prior to surgery and at six months and one year of follow-up. Results. The rate of clinical events at one year was 23%. The mean quality of life improved to levels slightly below those in general population; with greater changes reported in physical than in mental condition although the latter was less impaired. In 24% the quality of life scores at one year were below 1.5 standard deviations of those in the general population. Females, patients with comorbidity and those with public health care insurance showed lower quality of life scores. Independent predictors of one-year quality of life included initial quality of life scores, public insurance, comorbidity, gender, age and chronic disease. Postoperative angina and dyspnoea were also associated with quality of life. Conclusion. The mean quality of life improves after coronary bypass, although up to one fourth of the patients may have unsatisfactory one-year clinical or quality of life outcome. Female patients, public insurance and comorbidity predict a worse quality of life.
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Key words
quality of life,coronary artery bypass surgery
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