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  • Title: Functional Tricuspid Regurgitation After Transcatheter Closure of Atrial Septal Defect in Adult Patients: Long-Term Follow-Up.
    Author: Takaya Y, Akagi T, Kijima Y, Nakagawa K, Ito H.
    Journal: JACC Cardiovasc Interv; 2017 Nov 13; 10(21):2211-2218. PubMed ID: 29055761.
    Abstract:
    OBJECTIVES: This study aimed to assess the fate of tricuspid regurgitation (TR) after transcatheter atrial septal defect (ASD) closure. BACKGROUND: Although TR frequently occurs in patients with ASD, the change in TR during long-term follow-up after ASD closure remains unknown. METHODS: A total of 419 adult patients who underwent transcatheter ASD closure were enrolled. TR severity was graded by TR jet area on echocardiography. RESULTS: At baseline, 113 patients had severe/moderate TR and 306 patients had mild TR. Among the 113 patients with severe/moderate TR, the TR jet area significantly decreased during a median follow-up of 30 months after the procedure; this decrease was related to the improvement in right ventricular morphology. The severity of TR decreased to mild in 79 (70%) patients. Persistent TR, defined as severe or moderate TR after the procedure, was independently associated with the prevalence of permanent atrial fibrillation. Regarding clinical outcomes, 7 patients with severe/moderate TR and 2 with mild TR were hospitalized because of heart failure. Patients with severe/moderate TR had the worse event-free survival rate than those with mild TR, but more than 90% of them had no cardiovascular events. New York Heart Association functional class and plasma B-type natriuretic peptide levels improved in patients with severe/moderate TR, similar to those with mild TR. CONCLUSIONS: Significant TR decreased during the long-term follow-up period after transcatheter ASD closure. Heart failure symptoms improved in patients with severe/moderate TR. Our findings suggest that transcatheter closure alone can be valuable in patients with ASD complicated with TR.
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