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Updated: Feb 10, 2026

Chronic Ovine Model of Right Ventricular Failure and Functional Tricuspid Regurgitation
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Improvement of the Left Ventricular Function after Tricuspid Valve Plasty for Traumatic Tricuspid Regurgitation
Taiji Okada1, Kaori Mogi1, Akihiro Endo1
1Division of Cardiology, Shimane University Faculty of Medicine, Japan.
Abstract:
Traumatic tricuspid regurgitation (TR) is a rare cardiovascular complication in chest trauma. Changes in the left ventricle (LV) function after operation are unclear. A 61-year-old woman who had been involved in a traffic accident 1 month earlier presented with exertional dyspnea. Transthoracic echocardiography (TTE) showed severe tricuspid regurgitation (TR) accompanied by LV dysfunction due to anterior leaflet prolapse with papillary muscle rupture. After tricuspid plasty, the LV function improved, as evidenced by TTE and speckle tracking echocardiography. In conclusion, the early diagnosis of traumatic TR is important, and early surgical intervention might be effective for achieving ventricular function improvement.
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