Causes and Clinical Outcomes of Patients Who Failed Screening for Transcatheter Tricuspid Valve Interventions.

Transcatheter tricuspid valve intervention (TTVI) has recently emerged as a promising alternative to surgery for tricuspid regurgitation (TR). However, a significant proportion of patients fail screening for TTVI, and little is known about their characteristics and natural history. This study sought to investigate causes of screen failure and outcomes of patients declined for TTVI. This was a retrospective single-center study of 32 patients who were ineligible for participation in transcatheter tricuspid valve replacement and tricuspid transcatheter edge-to-edge repair trials. Patients were classified into 2 groups according to the therapy they received: optimized medical therapy (OMT) group or intervention group. The mean age was 82 ± 7.8 years and 68.8% were women. The most common reasons for TTVI exclusion were anatomic/procedural impediment (53.1%), inclusion criteria not met (40.6%), and multivalvular disease (6.3%). Overall, 19 patients (59.4%) did not undergo subsequent tricuspid intervention. The clinical outcomes of these patients who received OMT alone were poor, with a 1-year composite of cardiac death or heart failure readmission of 47.4%. These rates were worse than in patients who subsequently underwent an intervention, albeit not statistically significant (OMT: 47.7% vs 23.1% interventions, p = 0.3), and were significantly more pronounced in the subgroup of patients who were excluded for anatomic/procedural limitations (OMT: 70% vs 14.3% interventions, p = 0.05). In conclusion, patients ineligible for TTVI, particularly, those with anatomic/procedural limitations, and treated medically have poor outcomes. These data underscore the importance of earlier referral and support the need for further transcatheter therapy iterations.

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Déclaration de conflit d'intérêts

Declaration of competing interest Dr. Mack reports the following affiliations: Abbott - Trial Co-PI; Edwards Life sciences - Trial Co-PI; Medtronic - Trial Study Chair—all uncompensated. Dr. Szerlip reports the following affiliations: Edwards Lifesciences - proctor, speaker, consultant; Abbott Vascular - advisory board, consultant, proctor; Medtronic - steering committee; Boston Scientific - speaker, consultant. The remaining authors have no competing interests to declare.