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Characteristics And Outcomes Of Biventricular Patients Undergoing Surgical Repair For Non-ebstein Congenital Tricuspid Valve Disease
David Blitzer, Ismail Bouhout, Eliana Al Haddad, Matthew Lewis, Kanwal Farooqi, Amee Shah, Noa Zemer-Wassercug, Brett Anderson, Patrick Flynn, Emile Bacha, David Kalfa.
Columbia University, New York, NY, USA.

Objectives: We aim to describe early and late surgical outcomes for non-Ebstein congenital tricuspid valve (TV) in biventricular patients at a single institution.Methods: Patients undergoing TV surgery for non-Ebstein congenital TV disease from 2006-2018 were included. Patients with single ventricle physiology, systemic TV, congenitally corrected transposition of the great arteries (ccTGA) and atrioventricular canal were excluded. Primary endpoint was TV reintervention or regurgitation (TR)≥moderateResults: A total of 89 patients were included. Isolated TR was present in 83(94.3%), isolated tricuspid stenosis (TS) in 3(3.3%), and mixed disease in 2(2.2%). Median age was 32 (range 13-52) years. TV repair and replacement were performed in 70(78.7%) and 19(21.4%) patients, respectively. One (1.1%) patient underwent TV reoperation during the same admission. There was no in-hospital mortality. Median follow-up was 3.3 (0.1-4.7) years. The overall cumulative incidence of TV reintervention or TV≥moderate at 1, 3 and 5 years was 32%, 114% and 208% (Figure). By multivariable analysis, age<12 years (p=0.04) and mitral valve regurgitation MR≥moderate (p=0.01) were associated with the primary endpoints. There was no difference in rates of reintervention or TR>moderate for TV replacement versus repair (p=0.49). Conclusions: TV surgery in non-Ebstein biventricular congenital patients can be performed with good early outcomes. However, the recurrence of TR or TV reintervention remain high. Younger age and preoperative significant MR were predictive of reintervention.


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