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• W4381125478 abstract "Abstract Funding Acknowledgements Type of funding sources: None. Background Indications and optimal timing of intervention for severe tricuspid regurgitation (TR) remain controversial due to insufficient evidence. Right ventricular (RV) function assessment, a key factor of preoperative evaluation, remains challenging due to limitations of conventional echocardiographic indexes, particularly with concomitant severe TR. Right ventricular free wall longitudinal strain (RVFWLS) is able to evaluate intrinsic systolic function and to identify RV dysfunction at early stage compared to conventional echocardiographic indices. Purpose to analyze the prognostic implications of pre-operative RV dysfunction, evaluated through conventional and speckle-tracking echocardiography, in patients with severe TR undergoing tricuspid valve intervention. Methods In this single-center retrospective study, we enrolled consecutive patients with severe TR who underwent surgical or transcatheter tricuspid valve intervention (TTVI) between November 2016 and July 2021. The primary endpoint was all-cause mortality. For a secondary exploratory analysis, to compare outcomes of operated versus conservatively treated patients, we enrolled consecutive patients with severe TR who underwent echocardiographic evaluation in the same time period and who undergo conservative management. Results Study population included 100 patients: 78 patients underwent isolated TV surgical intervention and 22 TTVI. ROC curve analysis showed RVFWLS as the best echocardiographic parameter to predict all-cause mortality (AUC: 0.726, IC 0.57–0.88 P = 0.006). Estimated 4-years survival was significantly lower in patients with RV dysfunction (defined as an absolute value of RVFWLS ≤ 21%, cutoff derived from ROC analysis with sensitivity 60% and specificity 87%) compared to patients with normal RV function: 70.0% vs 93.9% p = 0.002 (Figure 1). Independent prognostic role of RVFWLS was confirmed at multivariable analysis adjusted for significative clinical and echocardiographic variables (OR 0.88, 95% CI 0.80–0.98; P = 0.016). At secondary exploratory analysis, patients treated conservatively had a worst estimated 4-year survival compared to operated patients (59.6% vs 84.0%, p = 0.001). Stratifying this population according to the presence of RV dysfunction, in the group with lower RVFWLS values there were no significative differences in overall survival between operated and conservatively-treated patients (Figure 2). Conclusions Preoperative RV dysfunction defined by echocardiographic strain analysis is independently associated with outcomes after TV intervention. RVFWLS could be useful for indication and timing of intervention for severe TR." @default.
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• W4381125478 date "2023-06-01" @default.
• W4381125478 modified "2023-09-27" @default.
• W4381125478 title "Prognostic value of right ventricular function in patients with severe tricuspid regurgitation undergoing tricuspid valve intervention" @default.
• W4381125478 doi "https://doi.org/10.1093/ehjci/jead119.352" @default.
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