ORIGINAL INVESTIGATION ONLINE FIRST |LESS IS MORE Impact of Coronary Computed Tomographic Angiography Results on Patient and Physician Behavior in a Low-Risk Population John W. McEvoy, MB, BCh, BAO, MRCPI; Michael J. Blaha, MD, MPH; Khurram Nasir, MD, MPH; Yeonyee E. Yoon, MD; Eue-Keun Choi, MD; Ik-Sung Cho, MD; Eun-Ju Chun, MD; Sang-Il Choi, MD; Juan J. Rivera, MD, MHS; Roger S. Blumenthal, MD; Hyuk-Jae Chang, MD, PhD Background: The impact of screening coronary com- multivariable risk adjustment, the odds ratios for statin puted tomographic angiography (CCTA) on physician and aspirin use in the CCTA-positive group at 18 months and patient behavior is unclear. were 3.3 (95% confidence interval [CI], 1.3-8.3) and 4.2 (95% CI, 1.8-9.6), respectively. At 90 days, in the total Methods: We studied asymptomatic patients from a CCTA group vs controls, there were more secondary tests health-screening program. Our study population com- (55 [5%] vs 22 [2%]; P.001) and revascularizations (13 prised 1000 patients who underwent CCTA as part of a [1%] vs 1 [0.1%]; P.001). One cardiovascular event prior study and a matched control group of 1000 pa- occurred in each group over 18 months. tients who did not. We assessed medication use, second- ary
JAMA Internal Medicine – American Medical Association
Published: Jul 25, 2011
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