Effects of Coronary Angioplasty, Coronary Bypass Surgery, and Medical Therapy on Employment in Patients with Coronary Artery Disease: A Prospective Comparison Study

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Abstract

Objective

To compare return-to-work rates after coronary angioplasty, coronary bypass surgery, and medical therapy in patients with coronary disease.

Design

Prospective cohort study.

Setting

Tertiary care referral center.

Patients

Between March 1986 and June 1990, we enrolled 1252 patients who were younger than 65 years, who had not had previous coronary revascularization, and who were employed. All patients were followed for 1 year.

Main Outcome Measure

One-year employment status.

Results

After 1 year, 84% of patients who had coronary angioplasty were still working compared with 79% of patients who had bypass surgery and with 76% of patients who received medicine. After adjusting for the more favorable baseline characteristics of patients who had angioplasty (less severe coronary artery disease, better left ventricular function, and less functional impairment), however, no significant differences were noted in 1-year employment rates among the three groups. These adjusted 1-year return-to-work rates were 84% for angioplasty, 80% for surgery, and 79% for medicine (P > 0.05). In a random subset of 72 patients, 23 patients who had angioplasty returned to work after a median of 18 days (mean, 27 days) compared with 54 days (mean, 67 days) for 24 patients having bypass surgery and with 14 days (mean, 45 days) for 25 patients receiving medicine (P = 0.002).

Conclusions

Patients who had coronary angioplasty were able to return to work earlier than those who had bypass surgery, but by 1 year no significant difference was noted in employment rates. Neither revascularization strategy improved employment rates when compared with initial treatment using medical therapy.

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