Identification of severe coronary artery disease in patients with a single abnormal coronary territory on exercise thallium-201 imaging
The importance of clinical and exercise variables
Jennifer M. F. Kwok, MB, ChB, MRCPa,b,
Timothy F. Christian, MD, FACCa,b,
Todd D. Miller, MD, FACCa,b,
David O. Hodge, MSa,b and
Raymond J. Gibbons, MD, FACCa,b
a Division of Cardiovascular Diseases, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
b Department of Internal Medicine, Mayo Clinic and Mayo Foundation, Rochester, Minnesota, USA
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Figure 1 Short-axis tomographic segments in relation to coronary territories. The left anterior descending artery (LAD) supplies anterior and anteroseptal walls; the right coronary artery (RCA) supplies inferior and inferoseptal walls; the left circumflex artery (LCx) supplies lateral wall. (See text.)
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Figure 2 Estimated probability of 3VLMD for patients with (A) no history of diabetes or hypertension, (B) hypertension, (C) diabetes, (D) both diabetes and hypertension. Zones of different probability are shown. (See text for details.)
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Figure 3 Actuarial event-free survival curves based on (A) overall survival, (B) survival free of cardiac death, (C) survival free of cardiac death and nonfatal myocardial infarction, and (D) survival free of cardiac death, nonfatal myocardial infarction, and late revascularization, of the validation population stratified by the multivariate model into low (<15%), intermediate (15% to 35%), and high (>35%) probability groups. Numbers below abscissa = numbers of patients available for analysis at each time point. (See text for details.)
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