RT Book, Section A1 Doherty, Gerard M. SR Print(0) ID 58103811 T1 Tricuspid Valve Disease T2 Quick Answers Surgery YR 2010 FD 2010 PB The McGraw-Hill Companies PP New York, NY SN LK accesssurgery.mhmedical.com/content.aspx?aid=58103811 RD 2024/04/19 AB • Tricuspid valve (TV) has 3 leaflets:1. Anterior2. Posterior3. Septal• Anterior commonly largest, posterior smallest• Papillary muscles often multiple, grouped into 3 (anterior, inferior, septal) and contribute chordae to multiple leaflets• Functional tricuspid disease:-Secondary to RV dilation causing enlargement of free-wall tricuspid annulus-Reflects RV failure and further worsens RV failure• Organic regurgitation: Infective endocarditis• Tricuspid stenosis (TS): Rheumatic usually (significant in 5% of patients)• Carcinoid involvement of tricuspid valve: Deposits on leaflets• RA myxomas rarely cause obstruction of tricuspid orifice• TS and tricuspid regurgitation (TR): RA hypertension, systemic venous engorgement, hepatic congestion, edema• Can lead to hepatic failure, cardiac cirrhosis, anasarca, and renal failure