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Ultrasound logic: The value of intracoronary imaging for the interventionist

✍ Scribed by Stephen N. Oesterle; Thosaphol Limpijankit; Alan C. Yeung; Simon Stertzer; Eugene Pomerantsev; Paul G. Yock; Peter J. Fitzgerald

Publisher
John Wiley and Sons
Year
1999
Tongue
English
Weight
671 KB
Volume
47
Category
Article
ISSN
1522-1946

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✦ Synopsis

The limitations of contrast coronary angiography are well chronicled. Its two-dimensional silhouette of the arterial lumen provides accurate information with regard to minimal lumen diameter (MLD), compared to an arbitrary reference site; however, minimal information is provided concerning the true arterial lumen cross-section, vessel wall thickness, plaque morphology, and composition.

Case scenario 1. A 79-year-old man presented with severe chest pain at rest and on minimal exertion relieved by nitroglycerine. The coronary angiogram showed diffuse small vessel disease of the right coronary artery. Although the vessel appeared ''small,'' based upon the 6 French (diameter 2 mm) catheter, IVUS showed a vessel size which exceeded 4.3 mm (Fig. , Case 1C) and

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