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Regional Vascular Characterization of Ectatic Coronary Arteries From Fluoroscopy

[+] Author Affiliations
Prahlad G. Menon

University of Pittsburgh, Pittsburgh, PA

Srilakshmi M. Adhyapak, Kiron Varghese

St. John’s Medical College Hospital, Bangalore, India

Paper No. IMECE2016-65510, pp. V003T04A016; 4 pages
doi:10.1115/IMECE2016-65510
From:
  • ASME 2016 International Mechanical Engineering Congress and Exposition
  • Volume 3: Biomedical and Biotechnology Engineering
  • Phoenix, Arizona, USA, November 11–17, 2016
  • Conference Sponsors: ASME
  • ISBN: 978-0-7918-5053-4
  • Copyright © 2016 by ASME

abstract

Coronary artery ectasia is designated as abnormal focal dilatation of segments of the coronary artery and less frequently or diffuse dilatation along the entire coronary artery. In this study, we describe an image processing pipeline for automatic segmentation and centerline characterization from conventional X-ray angiography images. Two patients presenting with acute coronary syndrome and coronary artery ectasia are examined. Fluoroscopic views showing left and right coronary arteries were automatically quantified for vascular centerlines and arterial centerlines are rendered color-coded plots of regional vascular radius, to objectively characterize patient-specific regional vascular dilatation. Ectasia was found to be most pronounced in the proximal and mid-coronary segments and occurred preferentially in the areas of high curvature of the coronaries, along their course over the epicardial surface of the heart.

Copyright © 2016 by ASME

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