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JACC Cardiovasc Interv


OBJECTIVES: The TRISCEND study (Edwards EVOQUE Tricuspid Valve Replacement: Investigation of Safety and Clinical Efficacy after Replacement of Tricuspid Valve with Transcatheter Device) is evaluating the safety and performance of transfemoral transcatheter tricuspid valve replacement in patients with clinically significant tricuspid regurgitation (TR) and elevated surgical risk.

BACKGROUND: Transcatheter valve replacement could lead to a paradigm shift in treating TR and improving patient quality of life.

METHODS: In the prospective, single-arm, multicenter TRISCEND study, patients with symptomatic moderate or greater TR, despite medical therapy, underwent percutaneous transcatheter tricuspid valve replacement with the EVOQUE system. A composite rate of major adverse events, echocardiographic parameters, and clinical, functional, and quality-of-life measures were assessed at 30 days.

RESULTS: Fifty-six patients (mean age of 79.3 years, 76.8% female, 91.1% TR severe or greater, 91.1% atrial fibrillation, and 87.5% New York Heart Association functional class III or IV) were treated. At 30 days, TR was reduced to mild or less in 98%. The composite major adverse events rate was 26.8% at 30 days caused by 1 cardiovascular death in a patient with a failed procedure, 2 reinterventions after device embolization, 1 major access site or vascular complication, and 15 severe bleeds, of which none were life-threatening or fatal. No myocardial infarction, stroke, renal failure, major cardiac structural complications, or device-related pulmonary embolism were observed. New York Heart Association significantly improved to functional class I or II (78.8%; P < 0.001), 6-minute walk distance improved 49.8 m (P < 0.001), and Kansas City Cardiomyopathy Questionnaire score improved 19 points (P < 0.001).

CONCLUSIONS: Early experience with the transfemoral EVOQUE system in patients with clinically significant TR demonstrated technical feasibility, acceptable safety, TR reduction, and symptomatic improvement at 30 days. The TRISCEND II randomized trial (NCT04482062) is underway.

Medical Subject Headings

Aged; Cardiac Catheterization; Female; Heart Valve Prosthesis Implantation; Humans; Male; Prospective Studies; Quality of Life; Severity of Illness Index; Time Factors; Treatment Outcome; Tricuspid Valve; Tricuspid Valve Insufficiency

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