Transcatheter Mitral Valve-in-Ring for Progressive Mitral Stenosis after Prior Repair with Annuloplasty: A Novel Balloon Sizing Technique
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Michael Sola1, Thomas G. Caranasos3, Michael Yeung2, Cassandra J. Ramm2, Kristen Sell3, John P. Vavalle2 1School of Medicine, 2Division of Cardiology, 3Division of Cardiothoracic Surgery, The University of North Carolina at Chapel Hill, North Carolina, USA |
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An 83-year-old man with a previous mitral valve repair using a semi-rigid annuloplasty ring was found to have severe mitral stenosis. A transcatheter approach for mitral valve-in-ring replacement was selected due to the patient’s high surgical risk. Pre-procedural computed tomography scans for transcatheter valve size selection were inconsistent with previously published recommendations. To determine the appropriate valve size, a 25 mm compliant balloon was inflated intraoperatively within the stenotic mitral ring, but yielded no resistance to movement and no ‘waist’. Thus, a 29 mm balloon-expandable prosthetic valve was selected and deployed with no paravalvular leak. This novel balloon sizing technique helped lead to a successful outcome in this case.
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The Journal of Heart Valve Disease 2016;25: 185-186 |
| Transcatheter Mitral Valve-in-Ring for Progressive Mitral Stenosis after Prior Repair with Annuloplasty: A Novel Balloon Sizing Technique | |
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