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Prosthetic Heart Valve Sounds & Murmurs Chapter 18. Are G. Talking, MD, FACC Instructor Patricia L. Thomas, MBA, RCIS. Outline. Four Commonly Used Types of Valve Prostheses Causes of Prosthetic Valve Malfunction. Bioprosthesis. Tissue valves have been used for 25 to 30 years
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Prosthetic Heart Valve Sounds & MurmursChapter 18 Are G. Talking, MD, FACC Instructor Patricia L. Thomas, MBA, RCIS
Outline • Four Commonly Used Types of Valve Prostheses • Causes of Prosthetic Valve Malfunction
Bioprosthesis • Tissue valves have been used for 25 to 30 years • Central blood flow • Low Profile for easy fitting in aortic, mitral & tricuspid • Continuous coumadin anticoagulation not needed
Causes of Prosthetic Valve Malfunction • Mechanical Valves are thrombogenic & requires long-term anticoagulation • Thrombosis causes restriction of the disk movement • Stenosis & regurgitation will occur • Infection • Wearing out • Leaks • Jamming • Sticking • Biprosthetic Degeneration
THE ENDOF Chapter 18 Tilkian, Ara MD Understanding Heart Sounds and Murmurs, Fourth Edition, W.B. Sunders Company. 2002, pp. 223-243