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  • Title: Transcatheter Mitral Valve Repair for Multiple Valvular Heart Disease: Outcomes and Insights on Combined Aortic Insufficiency and Mitral Regurgitation.
    Author: Basman C, Mustafa A, Kodra A, Wang D, Singh P, Paliwoda E, Gasparis C, Goldberg Y, Liu S, Wei C, Cinelli M, Mihelis E, Ong C, Trost B, Rutkin B, Koss E, Maniatis G, Wilson S, Scheinerman J, Kliger C.
    Journal: Am J Cardiol; 2024 Dec 15; 233():45-50. PubMed ID: 39389282.
    Abstract:
    The presence of concomitant aortic insufficiency (AI) and mitral regurgitation (MR) is common and may further accelerate cardiac dysfunction. However, there exists no US regulatory-approved transcatheter device for the treatment of AI. The effectiveness of isolated transcatheter mitral therapy in this population is not well-understood; thus, we aimed to evaluate outcomes for patients with combined AI and MR compared with isolated MR who underwent mitral transcatheter edge-to-edge repair (m-TEER). Retrospective data were obtained from the Northwell m-TEER registry. A total of 587 patients who underwent m-TEER at 4 high-volume transcatheter aortic valve replacement/transcatheter edge-to-edge repair centers within the Northwell Health system were included. All patients had severe MR and were divided into 2 groups: group 1 with ≥3+ AI (AI+) and the group 2 with <3+ AI (AI-). Echocardiographic outcomes were evaluated at 1 month. Clinical outcomes were evaluated at 1 month and 1 year. The primary end point was death or rehospitalization at 1 year. A total of 587 patients were included in the study, with 92 in the AI+ group. Baseline characteristics were similar in both groups. Approximately 2/3 of patients in the AI+ group demonstrated an improvement in AI severity after isolated mitral therapy. There was no difference in the primary outcome at 1 month or 1 year. There was also no significant difference in New York Heart Association functional class at 1 month between the groups. In conclusion, patients who underwent m-TEER with combined MR and AI (AI+ group) fared well compared with those with isolated mitral valve dysfunction (AI- group), with no discernible differences in survival, New York Heart Association class, or rehospitalization rates at 1 month or 1 year. Hence, isolated m-TEER is a reasonable treatment approach in patients with a high surgical risk with combined AI and MR.
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