Valve Replacement Surgery Dr. Spanner van Zyl

First Aortic Valve Replacement Dr. Murray performed first Aortic Valve replacement on a 22 year old male patient in 1955

First Aortic Valve Repair May 1956- Dr. Lillehei repaired an Aortic Valve in a female patient on the heart-lung machine

Mitral Valve Mitral Valve has a very complex anatomy First implant was done in early 1960’s in USA

Aorta First Aortic prosthesis implant performed on a patient in March 1960 in Florida, USA

Double Valve Surgery First Double Valve Implant was performed in November 1961 in Pittsburgh, Pennsylvania, USA

Anatomy of Aortic and Mitral Valves…

Types of Valves Mechanical Tissue

Mechanical Valves Star-Edwards Barnard-Goosen Lillehei-Kaster Bjork-Shiley St. Jude Medical Carbomedics ATS

Tissue Valves Homographs Porcine Pericardial

Dr. Denton Cooley Texas,USA “…About 6 months earlier this patient had had a porcine graft in the aortis annulus in a city in Lousiana. The poor bewildered mother, knowing that her son had received a pork graft, asked me what type of valve we would now use. I told her we would use a Bjork Valve. She said, ‘what kind of animal is a Bjork?’”

Problems with Valves Mechanical- anticoagulation (blood thinners) Tissue Valves- flow gradients

The End Thank you!