Randomized comparison of a strategy of predischarge coronary angiography versus exercise testing in low-risk patients in a chest pain unit: in-hospital and long-term outcomes
Christopher R. deFilippi, MD, FACCa,
Salvatore Rosanio, MD, PhDa,
Monica Tocchi, MDa,
Rohit J. Parmar, MD, FACCa,
Marjorie A. Potter, RN, BSNa,
Barry F. Uretsky, MD, FACCa and
Marschall S. Runge, MD, PhD, FACCa
a Department of Internal Medicine, Division of Cardiology, University of Texas Medical Branch at Galveston, Galveston, Texas, USA
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Figure 1 Flow diagram of in-hospital clinical outcomes of patients randomized to coronary angiography (CA) or exercise treadmill testing. 1V = single-vessel disease; CABG = coronary artery bypass grafting; CAD = coronary artery disease; Meds = medical therapy; MV = multivessel disease; PTCA = percutaneous transluminal coronary angioplasty.
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Figure 2 Twelve-month Kaplan-Meier plot depicting temporal distribution of emergency department (ED) returns for chest pain among 208 low-risk patients with chest pain with a negative coronary angiogram (CA) or a negative/nondiagnostic exercise treadmill test (ETT). Circles or triangles denote end point.
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Figure 3 Adjusted relative risks for factors influencing the likelihood of emergency department (ED) return with chest pain in 208 low-risk patients with chest pain with a negative coronary angiogram or a negative/nondiagnostic exercise treadmill test. The error bars represent 95% confidence intervals, with relative risk minimal and maximal limits indicated by numbers in parentheses.
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