Author + information
- Received October 17, 1995
- Revision received February 9, 1996
- Accepted February 21, 1996
- Published online July 1, 1996.
- Patrick P.A.M. Verhoeven, MS∗,
- Forrester A. Lee, MD, FACC,
- Tarik M. Ramahi, MD,
- Kenneth L. Franco, MD, FACC,
- Carlos Mendes de Leon, PhD,
- Joan Amatruda, RN,
- Noreen A. Gorham, RN,
- Jennifer A. Mattera, MPH and
- Frans J.Th. Wackers, MD, FACC1
- ↵1Address for correspondence: Dr. Frans J. Th. Wackers. Cardiovascular Nuclear Imaging and Exercise Laboratories, Yale University School of Medicine, P.O. Box 208042 TE-2, New Haven, Connecticut 06530-8042.
Objectives. We sought to evaluate the prognostic value of routine noninvasive testing—stress thallium-201 imaging, rest two-dimensional echocardiography and rest equilibrium radionuclide angiography—1 year after cardiac transplantation.
Background. Coronary artery vasculopathy is the most important cause of late death after orthotopic cardiac transplantation. Several clinicl variables have been identified as risk factors for development of coronary vasculopathy. Traditional noninvasive diagnostic testing has been shown to be relatively insensitive for identifying patients with angiographic vasculopathy.
Methods. Results of prospectively acquired noninvasive testing in 47 consecutive transplant recipients alive 1 year after transplantation were related to subsequent survival. Other clinical variables previously shown to be associated with the development of coronary artery vasculopathy were also in3luded in the analysis.
Results. The 5-year survival rate after cardiac transplantation was 81%. By univariate analysis, echocardiography (chi-square 9.21) and stress thallium-201 myocardial perfusion imaging (chi-square 16.76) were predictive for survival, whereas rest equilibrium radionuclide angiography was not. Clinical contributors to survival were donor age (chi-square 4.56), number of human leukocyte antigen mismatches (chi-square 3.06) and cold ischemic time (chi-square 3.23). By multivariate analysis, stress myocardial imaging remained the only significant predictor of survival (risk ratio 0.27; 95% confidence interval 0.06 to 0.89).
Conclusions. Normal thallium-201 stress myocardial perfusion imaging 1 year after cardiac transplantation is an important predictor of 5-year survival.
↵∗ Present address: Department of Nuclear Medicine, University Hospital Leiden, P.O. Box 9600, 2300 RC, Leiden, The Netherlands.
☆ This study was supported in part by a grant from the Foundation “De Drie Lichten,” Leiden, The Netherlands.
- Received October 17, 1995.
- Revision received February 9, 1996.
- Accepted February 21, 1996.