Copyright © 1992 by the European Society of Cardiology.
© 1992 The European Society of Cardiology
Exercise testing at 3 weeks, 6 weeks and 18 months after infarction and the outcome at 3 years in young patients (under 55 years)

Department of Cardiology, Royal Victoria Infirmary, Newcastle upon Tyne London
*Department of Cardiological Sciences St George's Hospital, London
Royal Liverpool Hospital for Sick Children Alder Hey, Liverpool
Department of Cardiology, University Hospital of Wales Heath Park, Cardiff, Wales
Received 28 May 1991; revised 12 September 1991; .
Correspondence. Dr O. Odemuyiwa, Department of Cardiological Sciences, St George's Hospital, London SW17 ORE
Abstract
To examine the prognostic value of routine postinfarction exercise tests in young patients, exercise tests were carried out at 3 and 6 weeks and 18 months after infarction in 149 patients aged under 55 years at the time of the index infarction. The patients also had coronary angiography and left ventriculography a mean of 3 months after infarction.
Three years after infarction, only two of the 149 patients have died, reinfarction occurred in only seven (4.7%) patients; unstable angina in four (3%) patients and coronary artery surgery was needed in 31 (20.8%) patients; 16 in the first, 10 in the second, and 5 in the third year of follow-up. Angina on exercise testing at 6 weeks was the only variable with any predictive value. Eighteen (38%) of the 47 patients with, compared to 12 (11.8%) of the 102 patients without, angina on exercise testingatS weeks had coronary surgery ( <0.001). None of the other exercise variables reliably predicted death, or other complications, including coronary surgery. Ten (13.8%) of the 75 patients excluded from the study died during follow-up; six of them within 6 weeks of infarction. Four (67%) of these patients were excluded from the study because of heart failure. Therefore, the 3-year outcome in young survivors of a myocardial infarction is good and is not reliably predicted by exercise testing at 3 and 6 weeks or 18 months.
Key Words: Postinfarction exercise testing young patients
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