Long-term Outcomes of Adults With Tricuspid Regurgitation Following Transcatheter Atrial Septal Defect Closure.
The Canadian journal of cardiology(2021)
摘要
BACKGROUND:Functional tricuspid regurgitation (TR) is a common pathophysiologic condition in adults with ostium secundum atrial septal defect (ASD). The aim of this study was to evaluate long-term outcomes following transcatheter ASD closure, which have not been well studied among patients with significant TR.
METHODS:We reviewed consecutive adult patients who underwent transcatheter ASD closure at Toronto General Hospital, Ontario, Canada, from 1998 to 2016. We linked our hospital registry with Ontario population-based health administrative databases to collect longitudinal data on inpatient and outpatient health care utilisation and vital status.
RESULTS:In this cohort study of 949 patients, 199 (22%) had moderate to severe TR before transcatheter ASD closure. A significant proportion of patients (61%) showed improvement in TR severity to at least mild TR after ASD intervention. At a median follow-up of 10.9 years, patients with baseline mild or no TR, compared with those with greater than moderate TR, had significantly lower rates of all-cause mortality (6.8 vs 22.5 per 1000 person-years [PY]; P < 0.001), composite hospitalisation for atrial fibrillation (AF) or heart failure (HF) (22.3 vs 49.1 per 1000 PY; P < 0.001), and new onset of AF (10.4 vs 20.2 per 1000 PY; P = 0.002) and HF (5.0 vs 9.2 per 1000 PY; P = 0.039). Preprocedural TR was independently associated with higher all-cause mortality (adjusted hazard ratio 1.69, 95% confidence interval 1.08-2.62).
CONCLUSIONS:TR severity was independently associated with a higher risk of mortality and morbidity. Further investigation of earlier device closure or concomitant tricuspid valve intervention may be of interest.
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