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