Why the study?
The role of transcatheter edge-to-edge repair has not been clearly established in patients with complex valve anatomy such as cleft mitral leaflets, where surgery has been the default consideration.
Case Report
Highlights the expanding use of TEER for unconventional and challenging anatomy, specifically cleft mitral leaflets in congenital heart disease.
May extend TEER to cleft mitral anatomy; leaves open prospective outcome data before clinical adoption.
Transcatheter mitral valve edge-to-edge repair (TEER) has an established role in the management of severe mitral regurgitation (MR), with proven benefits to patients with primary MR at high risk for surgery as well as select patients with secondary MR.1 As experience with the use of the MitraClip (Abbott, Abbott Park, IL) for TEER continues to grow, the use of these devices is increasingly expanding to cases with unconventional and challenging anatomy. Cleft mitral leaflets, a typically rare finding, represent a situation featuring complex valve anatomy where the role of TEER has not been clearly established and surgery has been the default consideration for management.
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Mital et al. (2022) conducted a case report in Left atrioventricular valve cleft after previously repaired complete atrioventricular canal defect in Down syndrome. Transcatheter mitral valve edge-to-edge repair (TEER) was evaluated.
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