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Small Orifice Regurgitation Increasing Phenomenon During Transcatheter Edge-to-Edge Repair: Case Series

Dawei Lin1,2, Wei Li1,2,3, Daxin Zhou1,2

  • 1Department of Cardiology, Zhongshan Hospital, Fudan University, Shanghai, China.

Catheterization and Cardiovascular Interventions : Official Journal of the Society for Cardiac Angiography & Interventions
|March 23, 2026
PubMed
Summary

Transcatheter edge-to-edge repair (TEER) for mitral regurgitation can lead to a novel phenomenon called "small orifice regurgitation increasing" (SORI) in commissural cases. This finding helps understand and prevent residual mitral regurgitation after TEER.

Keywords:
case reportcommissural mitral regurgitationsmall orifice regurgitation increasingtranscatheter edge‐to‐edge repair

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