Prediction of 9-year cardiovascular outcomes by myocardial perfusion imaging in patients with normal exercise electrocardiographic testing

European Heart Journal Cardiovascular Imaging
Arend F L SchinkelRon T van Domburg

Abstract

Exercise myocardial perfusion imaging (MPI) is widely used, but the long-term prognostic value of this test in patients with normal exercise electrocardiographic testing is not defined. A consecutive group of 650 patients (428 men, mean age: 56 ± 11 years) with known or suspected coronary artery disease underwent exercise electrocardiographic testing and MPI. Follow-up endpoints were mortality and major adverse cardiac events (MACE). Predictors of outcome were identified by multivariate logistic regression analysis using clinical, exercise electrocardiographic testing and single-photon emission computed tomography (SPECT) variables. A total of 324 (50%) patients had an abnormal SPECT, and 131 (20%) had completely or partially reversible perfusion defects. During a mean follow-up of 9.2 ± 2.0 years, 107 (23%) patients died, 69 (11%) had a non-fatal myocardial infarction, 90 (14%) underwent coronary artery bypass surgery, and 142 (22%) percutaneous coronary intervention. Multivariate analysis demonstrated that the summed rest score was an independent predictor of mortality [hazard ratio (HR): 1.15, 95% confidence interval (CI): (1.08-1.22], P < 0.001). The summed stress score was an independent predictor of MACE [HR: 1.09, 95% CI...Continue Reading

References

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Citations

Aug 25, 2012·European Heart Journal Cardiovascular Imaging·Danilo Neglia, Alessia Gimelli
May 15, 2013·European Heart Journal Cardiovascular Imaging·Thor EdvardsenPatrizio Lancellotti

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