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Reliable In-Stent Lumen Visualization With Dual Source CT Coronary Angiography

September 18, 2008 Reliable In-Stent Lumen Visualization With Dual Source CT Coronary Angiography By Annick C. Weustink, MD, and Nico R. Mollet, MD, PhD Departments of Radiology and Cardiology, Erasmus Medical Center, Rotterdam, the Netherlands -------------------------------------------------------------------------------- HISTORY A 58-year-old man with a history of hypertension and hypercholesterolemia was admitted to the hospital with symptoms of suspected stable angina pectoris. The patient was referred to conventional coronary angiography after a positive exercise-ECG test. Conventional angiography showed significant stenoses at the level of the proximal right coronary artery (RCA) and the proximal left anterior descending coronary artery (LAD). Percutaneous intervention was undertaken and one bare-metal stent in the RCA and two overlapping bare-metal stents in the LAD were successfully implanted. The patient was referred to follow-up CT coronary angiography after 18 months. DIAGNOSIS The patient was scanned on a Dual Source CT (DSCT) scanner. Nitroglycerine was administered prior to the CT scan; however, the patient did not receive prescan beta-blockers. The patient had a heart rate of 76 beats/minute during the CT scan. DSCT coronary angiography was able to reliably rule out the presence of in-stent restenosis in both the RCA and LAD stents.

See full article and related articles at DiagnosticImaging.com
This article was republished with permission from CMPMedica, LLC

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