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Updated: May 2, 2026

A Simplified Stepwise Approach to Echo Guidance during Percutaneous Mitral Valve Repair
Published on: October 16, 2021
Collateral-dependent ischemic mitral regurgitation
Jean Marc Weinstein1, Gizela Kidman, Reuben Ilia
1Cardiology Department, Soroka University Medical Center, PO Box 151, Beer-Sheva, Israel. iliar@bgu.ac.il.
Abstract:
There is much debate on the pathogenesis of ischemic mitral regurgitation (MR), usually related to global or regional left ventricular dysfunction or remodeling secondary to chronic ischemic changes, altering the tethering and closing forces on the mitral apparatus. There is a paucity of literature describing MR in the setting of acute ischemia. We describe a case in which the MR was dynamic and directly related to changes in coronary collateral flow.
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