Abstract
BackgroundThe development of transcatheter tricuspid edge-to-edge repair for tricuspid regurgitation is a therapeutic milestone but a specific periprocedural risk assessment tool is lacking. TRI-SCORE has recently been introduced as a dedicated risk score for tricuspid valve surgery.AimsThis study analyzes the predictive performance of TRI-SCORE following transcatheter edge-to-edge tricuspid valve repair.Methods180 patients who underwent transcatheter tricuspid valve repair at Ulm University Hospital were consecutively included and stratified into three TRI-SCORE risk groups. The predictive performance of TRI-SCORE was assessed throughout a follow-up period of 30 days and up to 1 year.ResultsAll patients had severe tricuspid regurgitation. Median EuroSCORE II was 6.4% (IQR 3.8–10.1%), median STS-Score 8.1% (IQR 4.6–13.4%) and median TRI-SCORE 6.0 (IQR 4.0–7.0). 64 patients (35.6%) were in the low TRI-SCORE group, 91 (50.6%) in the intermediate and 25 (13.9%) in the high-risk groups. The procedural success rate was 97.8%. 30-day mortality was 0% in the low-risk group, 1.3% in the intermediate-risk and 17.4% in the high-risk groups (p < 0.001). During a median follow-up of 168 days mortality was 0%, 3.8% and 52.2%, respectively (p < 0.001). The predictive performance of TRI-SCORE was excellent (AUC for 30-day mortality: 90.3%, for one-year mortality: 93.1%) and superior to EuroSCORE II (AUC 56.6% and 64.4%, respectively) and STS-Score (AUC 61.0% and 59.0%, respectively).ConclusionTRI-SCORE is a valuable tool for prediction of mortality after transcatheter edge-to-edge tricuspid valve repair and its performance is superior to EuroSCORE II and STS-Score.Graphical abstractIn a monocentric cohort of 180 patients undergoing edge-to-edge tricuspid valve repair TRI-SCORE predicted 30-day and up to one-year mortality more reliably than EuroSCORE II and STS-Score.AUC area under the curve, 95% CI 95% confidence interval
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