WHAT IS KNOWN ABOUT THE TOPIC?
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TMVR with the MitraClip device is safe and effective for both degenerative and functional MR. No significant differences have been found in the prognosis of patients treated with TMVR according to MR cause.
WHAT DOES THIS STUDY ADD?
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This article contributes to a better understanding of the setting of severe and symptomatic MR treated by TMVR according to cause. This work confirms the safety and efficacy of the treatment in Spain and documents the main factors associated with prognosis during the first year