Journal
EUROPEAN HEART JOURNAL
Volume 43, Issue 7, Pages 654-662Publisher
OXFORD UNIV PRESS
DOI: 10.1093/eurheartj/ehab679
Keywords
Risk score; Tricuspid regurgitation; Surgery; Outcome
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The study developed a dedicated risk score model (TRI-SCORE) for predicting the outcome of patients undergoing ITVS for severe TR. The scoring system includes 8 parameters to help predict in-hospital mortality rates and guide clinical decision-making for patients with severe TR.
Aims Isolated tricuspid valve surgery (TVS) is considered to be a high-risk procedure, but in-hospital mortality is markedly variable. This study sought to develop a dedicated risk score model to predict the outcome of patients after ITVS for severe tricuspid regurgitation (TR). Methods and results All consecutive adult patients who underwent ITVS for severe non-congenital TR at 12 French centres between 2007 and 2017 were included. We identified 466 patients (60 +/- 16 years, 49% female, functional TR in 49%). Inhospital mortality rate was 10%. We derived and internally validated a scoring system to predict in-hospital mortality using multivariable logistic regression and bootstrapping with 1000 re-samples. The final risk score ranged from 0 to 12 points and included eight parameters: age >= 70 years, New York Heart Association Class III-IV, right-sided heart failure signs, daily dose of furosemide >= 125 mg, glomerular filtration rate <30 mL/min, elevated bilirubin, left ventricular ejection fraction <60%, and moderate/severe right ventricular dysfunction. Tricuspid regurgitation mechanism was not an independent predictor of outcome. Observed and predicted in-hospital mortality rates increased from 0% to 60% and from 1% to 65%, respectively, as the score increased from 0 up to >= 9 points. Apparent and bias-corrected areas under the receiver operating characteristic curves were 0.81 and 0.75, respectively, much higher than the logistic EuroSCORE (0.67) or EuroSCORE II(0.63). Conclusion We propose TRI-SCORE as a dedicated risk score model based on eight easy to ascertain parameters to inform patients and physicians regarding the risk of ITVS and guide the clinical decision-making process of patients with severe TR, especially as transcatheter therapies are emerging (www.tri-score.com). [GRAPHICS] .
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