Tricuspid regurgitation and long-term clinical outcomes

Ehud Chorin, Zach Rozenbaum, Yan Topilsky, Maayan Konigstein, Tomer Ziv-Baran, Eyal Richert, Gad Keren, Shmuel Banai

Research output: Contribution to journalArticlepeer-review

Abstract

Aims: Tricuspid regurgitation (TR) is a frequent echocardiographic finding; however, its effect on outcome is unclear. The objectives of current study were to evaluate the impact of TR severity on heart failure hospitalization and mortality. Methods and results: We retrospectively reviewed consecutive echocardiograms performed between 2011 and 2016 at the Tel-Aviv Medical Center. TR severity was determined using semi-quantitative approach including colour jet area, vena contracta width, density of continuous Doppler jet, hepatic vein flow pattern, trans-tricuspid inflow pattern, annular diameter, right ventricle, and right atrial size. Major comorbidities, re-admissions and all-cause mortality were extracted from the electronic health records. The final analysis included 33 305 patients with median follow-up period of 3.34 years (interquartile range 2.11-4.54). TR (≥mild) was present in 31% of our cohort. One-year mortality rates were 7.7% for patients with no/trivial TR, 16.8% for patients with mild TR, 29.5% for moderate TR, and 45.6% for patients with severe TR (P < 0.001). Univariate and multivariate analyses demonstrated a positive correlation between TR severity and overall mortality and rates of heart failure re-admission after adjustment for potential confounders. The proportional hazards method for overall mortality showed that patients with moderate [hazard ratio (HR) 1.15, 95% confidence interval (CI) 1.02-1.3, P = 0.024] and severe TR (HR 1.43, 95% CI 1.08-1.88, P = 0.011) had a worse prognosis than those with no or minimal TR. Conclusions: The presence of any degree of TR is associated with adverse clinical outcome. At least moderate TR is independently associated with increased mortality.

Original languageEnglish
Pages (from-to)157-165
Number of pages9
JournalEuropean Heart Journal Cardiovascular Imaging
Volume21
Issue number2
DOIs
StatePublished - 1 Feb 2020

Keywords

  • echocardiography
  • prognosis
  • tricuspid regurgitation

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