2. Guidelines for the Management of Patients With Valvular Heart Disease : Executive Summary: A Repo...
When the valve leaflets themselves are diseased, abnormal, or destroyed, valve replacement with a low-profile mechanical valve or bioprosthesis. AHA Medical/Scientific Statements valves regurgitation stenosis mitral valve.
http://circ.ahajournals.org/cgi/content/full/98/18/1949

3. Children's Heart Institute | Heart Defects: Truncus Arteriosus Type 1
The blood enters the heart normally, but freely mixes in the ventricles because of the Ventricular Septal Defect (VSD) The blood then empties through a common single valve called a Truncus Valve. Because the heart has a large amount of fluid in...
http://www.childrenheartinstitute.org/educate/defects/truncus1.htm

4. Endocarditis
Repaired congenital heart disease with residual defects at the site or adjacent to the site of a prosthetic patch or prosthetic device (which inhibit endothelialization) Cardiac transplantation recipients who develop cardiac valve abnormalities.
http://216.185.112.5/presenter.jhtml?identifier=11078