Tricuspid regurgitation disease stages and treatment outcomes after transcatheter tricuspid valve repair
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Abstract
Background
Tricuspid transcatheter edge-to-edge repair (T-TEER) has emerged as a treatment option for patients with severe tricuspid regurgitation (TR). However, randomized trials have not shown a survival benefit, possibly because of the inclusion of patients in an early or too advanced disease stage.
Objectives
The authors sought to investigate the association between disease stage and outcomes following T-TEER.
Methods
In total, 1,885 patients with significant TR were analyzed, including 585 conservatively treated individuals and 1,300 patients who received T-TEER. Patients were evaluated as part of the prospective EuroTR (European Registry of Transcatheter Repair for Tricuspid Regurgitation) registry and grouped into early, intermediate, and advanced disease stage. Disease stage was based on left and right ventricular function, renal function, and natriuretic peptide levels. The stratification was validated in an external cohort. The primary endpoint was 1-year mortality.
Results
Overall, 395 patients (21% [395/1,885]) were categorized as early, 1,173 patients (62% [1,173/1,885]) as intermediate, and 317 patients (17% [317/1,885]) as advanced disease stage. In patients with early and advanced disease, mortality did not differ between interventional and conservative treatment (early-stage HR: 0.78; 95% CI: 0.34-1.80; P = 0.54; advanced stage HR: 1.06; 95% CI: 0.71-1.60; P = 0.78). However, mortality was significantly lower in patients undergoing percutaneous treatment with intermediate disease stage (HR: 0.73; 95% CI: 0.52-0.99; P = 0.03).
Conclusions
Compared to medically treated controls, T-TEER was associated with 1-year survival at intermediate stage disease but not at early or advanced disease stages. The timing of T-TEER with regard to disease stages might be crucial to optimize treatment benefits.
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JACC Cardiovascular interventions, 18, 3, Elsevier, New York, NY, 2025, https://doi.org/10.1016/j.jcin.2024.10.034