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Mortality-Based Right Ventricle Functional Echocardiographic Cutoffs in Patients With Compared to Without Tricuspid Regurgitation - 03/03/25

Doi : 10.1016/j.echo.2024.10.012 
Lior Zornitzki, MD a, b, , Ophir Freund, MD b, c, Shir Frydman, MD b, c, Zach Rozenbaum, MD d, Yoav Granot, MD a, b, Shmuel Banai, MD a, b, Yan Topilsky, MD a, b
a Department of Cardiology, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel 
b School of Medicine, Tel Aviv University, Tel Aviv, Israel 
c Department of Internal Medicine B, Tel-Aviv Sourasky Medical Center, Tel Aviv, Israel 
d Department of Cardiology, Tulane University, New Orleans, Louisiana 

Reprint requests: Lior Zornitzki, MD, Department of Cardiology, Tel Aviv Sourasky Medical Center, 6 Weizmann Street, Tel Aviv, Israel.Department of CardiologyTel Aviv Sourasky Medical Center6 Weizmann StreetTel AvivIsrael

Abstract

Background

Tricuspid annular plane systolic excursion (TAPSE) and peak lateral tricuspid annular systolic velocity (S’) are echocardiographic indices of right ventricle function. The abnormality thresholds for these parameters are based on data obtained from healthy adults rather than outcome data.

Objectives

We aimed to reexamine the abnormality thresholds for these parameters based on their association with mortality in consecutive patients, stratified to with or without significant tricuspid regurgitation (TR).

Methods

We performed a retrospective analysis of consecutive patients undergoing echocardiography between 2011 and 2021. Tricuspid regurgitation was assessed using a semiquantitative method. Cutoff values associated with excess mortality were assessed using spline curves in univariate and multivariate Cox analyses.

Results

A total of 24,717 subjects were included in the current analysis. A total of 1,143 (4.6%) subjects had clinically significant (moderate or more) TR. In the entire cohort, TAPSE <20.9 mm and S’ <10.9 cm/sec were associated with excess mortality. In subgroup analysis, among subjects with significant TR, TAPSE <18.0 mm and S' <10.0 cm/sec were the cutoffs associated with excess mortality, while subjects without TR had a higher cutoff of TAPSE <21.5 mm and S' <10.9 cm/sec. In a multivariate model adjusted for the presence of TR and baseline characteristics, TAPSE <20.9 mm (hazard ratio = 1.16; 95% CI, 1.10-1.23; P < .001) and S’ <10.9 cm/sec (hazard ratio =1.09; 95% CI, 1.04-1.20; P = .01) were independently associated with mortality.

Conclusions

The TAPSE and S’ thresholds associated with excess mortality are higher than those reported in healthy adults. The TAPSE and S′ cutoffs associated with excess mortality were lower in patients with significant TR compared to patients without, suggesting that a personalized approach for their interpretation is needed.

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Central Illustration




Central Illustration : 

Mortality based TAPSE and S' in patients with and without tricuspid regurgitation.


Central IllustrationMortality based TAPSE and S' in patients with and without tricuspid regurgitation.

Le texte complet de cet article est disponible en PDF.

Highlights

Normal thresholds of TAPSE and S′ were developed based on mortality data.
Thresholds for TAPSE and S′ were higher than those currently considered normal.
Subjects with TR compared to without TR had excess mortality at lower TAPSE and S’.

Le texte complet de cet article est disponible en PDF.

Keywords : Tricuspid regurgitation (TR), Tricuspid-annular-plane-systolic-excursion (TAPSE), Peak lateral-tricuspid annular systolic-velocity (S′), Mortality, RV function

Abbreviations : HR, IQR, IVA, PISA, RA, RV, SPSP, TAPSE, TR


Plan


 Informed Consent: In accordance with the decision of the institutional review board and based on the study's retrospective design informed consent was waived.


© 2024  American Society of Echocardiography. Publié par Elsevier Masson SAS. Tous droits réservés.
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Vol 38 - N° 3

P. 228-235 - mars 2025 Retour au numéro
Article précédent Article précédent
  • Simplifying the Echocardiographic Definition of Atrial Secondary Tricuspid Regurgitation: When Less Is More
  • Rebecca T. Hahn
| Article suivant Article suivant
  • Are New Thresholds Required for the Assessment of Right Ventricular Function in Patients With and Without Tricuspid Regurgitation?
  • Xavier Galloo, Nina Ajmone Marsan

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