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Ann Thorac Surg 2000;69:722-727
© 2000 The Society of Thoracic Surgeons

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Original Articles

Preoperative quality of life as a predictive factor of 3-year survival after open heart operations

^a Department of Thoracic and Cardiovascular Surgery, and Biostatistics and Epidemiology Unit, Hôpital Saint-Jacques, Besançon, France
^b Department of Public Health, Hôpital Saint-Jacques, Besançon, France

Address reprint requests to Dr Chocron, Department of Thoracic and Cardiovascular Surgery, Hôpital Saint-Jacques, 25030 Besançon Cedex, France
e-mail: chocron{at}usa.net

Background. The aim of this prospective study was twofold: to determine the evolution of quality of life in heart surgery patients through the first 3 postoperative years using the Nottingham Health Profile questionnaire and to determine whether preoperative quality of life influences 3-year survival.

Methods. From January to July 1994, 215 patients underwent elective open heart operation in our department. Patients filled in the Nottingham Health Profile questionnaire five times: preoperatively, postoperatively at month 3, and at each anniversary of their operation for 3 years. The evolution of quality of life scores through time were compared using analysis of covariance with repeated measures. Analysis of 3-year survival prognostic factors was achieved using the Cox proportional hazards model.

Results. Quality of life scores varied through time, but not significantly. Multivariate analysis showed two independent risk factors to influence 3-year survival: dyspnea class (III–IV versus I–II, relative risk = 2.80, 95% confidence interval = 1.2 to 6.5) and the energy section of the Nottingham Health Profile questionnaire (relative risk = 1.02 by unit, 95% confidence interval = 1.01 to 1.03).

Conclusions. Our study shows quality of life scores to be stable for the first 3 years after operation and the preoperative energy score to be predictive of 3-year survival.

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