(Circulation. 1996;94:135-142.)
© 1996 American Heart Association, Inc.
Articles |
Quality of Life, Employment Status, and Anginal Symptoms After Coronary Angioplasty or Bypass Surgery
3-Year Follow-up in the Randomized Intervention Treatment of Angina (RITA) Trial
the Medical Statistics Unit, London School of Hygiene and Tropical Medicine (S.J.P., P.S.); Cardiovascular Medicine, University Hospital, Nottingham (R.A.H., J.R.H.); and the Department of Cardiothoracic Surgery, St George's Hospital, London (T.T.), UK.
Correspondence to Professor Stuart J. Pocock, Medical Statistics Unit, London School of Hygiene and Tropical Medicine, Keppel St, London WC1E 7HT, UK.
Background The Randomized Intervention Treatment of Angina (RITA) trial compares initial policies of percutaneous transluminal coronary angioplasty (PTCA) and coronary artery bypass graft surgery (CABG) in 1011 patients with angina. This report assesses the impact of these revascularization procedures on angina, quality of life (according to the Nottingham Health Profile), and employment over 3 years of follow-up.
Methods and Results Both interventions produced marked improvement in all quality-of-life dimensions (energy, pain, emotional reactions, sleep, social isolation, and mobility) and seven aspects of daily living. Patients with angina at 2 years had more quality-of-life impairment than angina-free patients, whose perceived health was similar to population norms. This reflects the close link at baseline between angina grade and quality of life. The slightly greater impairment of quality of life in PTCA compared with CABG patients is a result of their significantly higher chances of having angina, especially after 6 months. Employment status was investigated mainly for men 
60 years old. PTCA patients returned to work sooner (40% at 2 months compared with 10% of CABG patients), but the latter caught up by 5 months. After 2 years, 22% and 26% of CABG and PTCA patients, respectively, were not working for cardiac reasons. Patients with angina at 2 years were much more likely to be unemployed than those without.
Conclusions The impact of angina on quality of life and unemployment is greatly alleviated by PTCA or CABG. Angina is avoided more successfully with CABG, but PTCA offers a speedier return to work. Both intervention strategies then produce similar benefits for quality of life and employment over several years.
Key Words: angioplasty • trials • angina • bypass
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