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Characterization of Gadolinium Contrast Enhancement of Radiofrequency Ablation Lesions in Predicting Edema and Chronic Lesion Size.

Authors
  • Ghafoori, Elyar1
  • Kholmovski, Eugene G1
  • Thomas, Sam1
  • Silvernagel, Josh1
  • Angel, Nathan1
  • Hu, Nan1
  • Dosdall, Derek J1
  • MacLeod, Rob1
  • Ranjan, Ravi2
  • 1 From the Department of Bioengineering (E.G., J.S., N.A., D.J.D., R.M., R.R.), Cardiovascular Medicine (E.G., J.S., N.A., R.R.), UCAIR, Department of Radiology and Imaging Sciences (E.G.K.), Department of Medicine (S.T., N.H., R.R.), and Department of Surgery (D.J.D.), University of Utah, Salt Lake City.
  • 2 From the Department of Bioengineering (E.G., J.S., N.A., D.J.D., R.M., R.R.), Cardiovascular Medicine (E.G., J.S., N.A., R.R.), UCAIR, Department of Radiology and Imaging Sciences (E.G.K.), Department of Medicine (S.T., N.H., R.R.), and Department of Surgery (D.J.D.), University of Utah, Salt Lake City. [email protected]
Type
Published Article
Journal
Circulation Arrhythmia and Electrophysiology
Publisher
Ovid Technologies Wolters Kluwer -American Heart Association
Publication Date
Nov 01, 2017
Volume
10
Issue
11
Identifiers
DOI: 10.1161/CIRCEP.117.005599
PMID: 29079664
Source
Medline
Keywords
License
Unknown

Abstract

Microvascular obstruction region on acute late gadolinium enhancement images acquired 26.1 minutes after contrast administration can accurately predict the chronic lesion volume. We also show that T1-weighted MRI images acquired immediately after contrast injection accurately shows edema resulting from radiofrequency ablation.

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