Application of Comprehensive Non-invasive Assessment To Phenotype Tricuspid Regurgitation

Tricuspid regurgitation (TR) is an increasingly recognized valvular heart disease associated with high morbidity and mortality. With the availability of various novel transcatheter tricuspid interventions, it is no longer considered a "forgotten valve." Heart failure with preserved ejection fraction (HFpEF) is a prevalent condition also characterized by high morbidity and mortality. The prevalence of moderate to severe TR in the general population is 3% to 6%; however, in patients with heart failure (with reduced or preserved ejection fraction \[EF\]), the prevalence is 10% to 29%, rising to up to 39% in patients with HFpEF and atrial fibrillation (AF). The EuroTR registry, an international registry including patients who underwent percutaneous treatment for severe TR, reported that 72% of patients had a left ventricular ejection fraction (LVEF) ≥50%. In a subgroup of patients with right heart catheterization data, 68% had a pulmonary capillary wedge pressure (PCWP) ≥15 mm Hg, indicating that many of these patients may have HFpEF. Patients with significant TR have also been shown to experience irreversible liver derangement and cirrhosis. Non-invasive evaluation of liver stiffness (LS), measured by transient elastography, has recently received increased attention in patients with heart failure and has been shown to closely correlate with right-sided filling pressures. LS has been used to predict adverse outcomes in patients undergoing transcatheter aortic valve (TA) surgery w…

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