Right Atrium and Tricuspid Remodeling in Atrial Fibrillation patients with Functional Tricuspid Regurgitation: A-Two Dimensional and Three Dimensional Transthoracic Echocardiography Study

Document Type : Original Article

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Cardiology, Faculty of Medicine for Boys, Al-Azhar University, Cairo, Egypt

10.21608/aimj.2025.4465234

Abstract

Background: A frequent valvular heart disease(VHD) is tricuspid regurgitation(TR), the most common form of which is 2nd TR. Atrial fibrillation(AF) is a prominent cause of functional tricuspid regurgitation(FTR).
Aim and objectives: Assessment of the mechanism of FTR in a patient with non-paroxysmal AF.
Patients and methods: This analytic cross-sectional study was performed in the Cardiology department, Al-Azhar University at Al-Husain University Hospital from August 2023 to May 2024. It included 100 consecutive patients diagnosed with AF for more than 1 year, referred for echocardiographic assessment
Results: AF is associated with FTR The main mechanism is TA dilatation with increasing TA area, perimeter, and all diameters. Tenting volume has a direct correlation with the degree of TR severity, but tenting height and coaptation distance show no change and are not correlated with FTR in AF patients.
Conclusion: There is a strong relationship between AF and the development of significant FTR, with the main mechanism being TA dilatation.

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