CT Coronary Angiography in Patients with Suspected CAD: No Short-Term Benefit, Increased Rate of Invasive Angiography
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Am Fam Physician. 2015 Nov 15;92(10):928.
What value does computed tomographic (CT) coronary angiography have for patients with suspected coronary artery disease (CAD)?
For patients with suspected stable CAD, adding CT coronary angiography had no short-term effect on patient symptoms or hospitalizations but increased the number of coronary angiograms. Additionally, more patients who had CT coronary angiography underwent preventive treatment and anti-anginal treatment. (Level of Evidence = 2b)
These investigators recruited 4,100 patients with suspected stable angina who were referred by their primary care physicians to 12 Scottish cardiology chest pain clinics. Each of the patients underwent a standardized assessment and were randomized to receive standard care or standard care plus CT coronary angiography. The electrocardiogram result was normal in more than 80% of the patients in each group. The cardiologist performed a stress test in 85% of the patients, and nearly two-thirds in each group were
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