Comparison of Survival in Patients with Clinically Significant Tricuspid Regurgitation with and without Heart Failure (From the Optum Integrated File).

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This study aimed to quantify survival rates for patients with Tricuspid Regurgitation (TR) using real-world data. Several clinical conditions are associated with tricuspid regurgitation (TR), including heart failure (HF), other valve disease (OVD), right-sided heart disease (RSHD), and others that impact mortality. Optum data from January 1, 2007, through December 31, 2018 included patients age ≥18 years with TR and 12 months of continuous health plan enrollment before TR. Exclusion criteria were end-stage renal disease or known/primary organ pathology. Cohorts were created hierarchically: (1) TR with HF; (2) TR with OVD (no HF); (3) TR with RSHD only (no OVD or HF); (4) TR only. Survival was estimated using a Cox hazard model with an interaction term for TR severity and adjusted for patient demographics and Elixhauser comorbidities. A total of 33,686 met study inclusion (1) TR with HF (26.6%); (2) TR with OVD (36.7%); (3) TR with RSHD only (17.1%); (4) TR only (19.6%). TR Patients (regardless of severity) with HF, OVD or RSHD had an increased risk of mortality compared to patients with TR alone. TR severity was also significantly associated (hazard ratio= 1.33; P=0.0002) with an increased risk of all-cause mortality. In conclusion, TR severity is significantly associated with an increased risk of all-cause mortality, independent of associated conditions including HF, OVD, or RSHD. In patients with severe TR, the mortality risk is most pronounced for patients who had RSHD without HF or OVD prior to their TR diagnosis.

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