ArticleESC heart failure2025
Adaptation of right ventricular function following tricuspid transcatheter edge-to-edge repair.
Article in ESC heart failure, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Right Ventricular-Pulmonary Artery Coupling in Patients With Atrial Fibrillation and Changes After Catheter Ablation.Journal of the American Heart Association · 2026Article
- Adaptation of right ventricular function following tricuspid transcatheter edge-to-edge repair.ESC heart failure · 2025Article
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13 authors.
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No grant is acknowledged in the PubMed record.
Abstract
backgroundThe impact of tricuspid transcatheter edge-to-edge repair (T-TEER) on right ventricular (RV) remodelling remains unclear.
objectivesThis study focused on characterizing changes in RV ejection fraction (RVEF) following T-TEER and their prognostic implications.
methodsPatients with significant tricuspid regurgitation (TR) who underwent T-TEER and cardiac magnetic resonance (CMR) imaging were included. Follow-up CMR was performed within 1 to 3 months after the procedure. Patients were classified by postprocedural RVEF change: decreased (≤-5%), stable (-4% to 4%) or increased (≥5%). The primary outcome was a composite of all-cause mortality or heart failure hospitalization.
resultsThe study included 69 patients (median age 78 years; 54% female). RVEF decreased in 32 (46%), was stable in 27 (39%), and increased in 10 (15%). Compared with patients with decreased and stable RVEF, those with increased RVEF had lower baseline RVEF (43% vs. 52% and 50%, respectively, P = 0.007) and lower baseline RV to pulmonary artery coupling (0.78 vs. 1.00 and 1.18, P = 0.045). Pulmonary artery systolic pressure was lower in patients with stable RVEF (42 mmHg vs. 52 mmHg in decreased and 49 mmHg in increased RVEF group, P = 0.048). TR severity was significantly reduced in the decreased and stable RVEF groups (P < 0.001 for both) while it worsened in the increased RVEF group (P = 0.037). After T-TEER, effective RVEF rose significantly in decreased (30% to 35%) and stable (31% to 39%) groups (both P < 0.001) but tended to decline in the increased group (30% to 20%; P = 0.17). During a median follow-up of 1016 days, 16 patients died, and 15 were hospitalized for heart failure. Event rates were lowest in the stable RVEF group and highest in the increased RVEF group (log-rank P = 0.004).
conclusionsRV response to T-TEER is heterogeneous, mostly influenced by baseline RV function, RV-PA coupling and TR progression. Only a minority of patients exhibited an increase in RVEF post T-TEER, and these patients showed worsening TR and a poorer prognosis.
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