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Updated: Jun 7, 2026
08:43
Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
Published on: March 17, 2023
[Tricuspid dysfunction as a result of rheumatic disease]
Youssef Ben Ameur1, Ihsen Zairi, Kamel Kamoun
1Service de cardiologie, Hôpital Habib Thameur-Tunis, Tunisia.
La Tunisie Medicale
|November 5, 2010
Summary
Rheumatic tricuspid valve disease, often linked to left-sided issues, requires timely surgical intervention for better outcomes. Early correction of significant tricuspid regurgitation improves patient prognosis and reduces long-term complications.
Area of Science:
- Cardiology
- Valvular Heart Disease
- Rheumatic Heart Disease
Context:
- Rheumatic tricuspid valve dysfunction is rare, often secondary to left-sided valvular disease.
- Tricuspid regurgitation is a common manifestation, with surgical treatment varying from conservative to radical approaches.
- This study focuses on patients with significant rheumatic tricuspid dysfunction, evaluating diagnostic and therapeutic strategies.
Purpose:
- To assess the epidemiology, diagnosis, and treatment of rheumatic tricuspid dysfunction.
- To evaluate surgical techniques, prognostic factors, and therapeutic strategies for significant residual tricuspid regurgitation post-left heart valve surgery.
- To determine optimal management for symptomatic tricuspid regurgitation in patients with a history of left-sided valvular surgery.
Summary:
- A retrospective analysis of 84 patients with rheumatic tricuspid dysfunction revealed a prevalence of 8.42%, with 70% experiencing tricuspid regurgitation.
- Surgical intervention on the tricuspid valve, often conservative (e.g., annuloplasty), was performed in 30 patients, showing a 10% hospital mortality and 26% residual regurgitation at 60 months.
- Patients not operated on the tricuspid valve had a higher incidence of late cardiac failure (81%) and 50% late mortality, underscoring the benefit of timely tricuspid valve surgery.
Impact:
- Early surgical correction of significant tricuspid regurgitation, even of moderate importance, performed concurrently with left valvular surgery, demonstrates substantial benefit.
- Late-onset functional tricuspid regurgitation following mitral valve surgery is identified as a negative prognostic marker.
- Identifying predictive factors for residual regurgitation, mortality, and heart failure is crucial for optimizing patient management and improving long-term outcomes in rheumatic heart disease.
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