Valve-sparing Aortic Root Replacement
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Valve-sparing aortic root replacement (also known as the David procedure) is a
cardiac surgery Cardiac surgery, or cardiovascular surgery, is surgery on the heart or great vessels performed by cardiac surgeons. It is often used to treat complications of ischemic heart disease (for example, with coronary artery bypass grafting); to corr ...
procedure which is used to treat
Aortic aneurysm An aortic aneurysm is an enlargement (dilatation) of the aorta to greater than 1.5 times normal size. They usually cause no symptoms except when ruptured. Occasionally, there may be abdominal, back, or leg pain. The prevalence of abdominal aortic ...
s and to prevent
Aortic dissection Aortic dissection (AD) occurs when an injury to the innermost layer of the aorta allows blood to flow between the layers of the aortic wall, forcing the layers apart. In most cases, this is associated with a sudden onset of severe chest or ...
. It involves replacement of the
aortic root The ascending aorta (AAo) is a portion of the aorta commencing at the upper part of the base of the left ventricle, on a level with the lower border of the third costal cartilage behind the left half of the sternum. Structure It passes obliqu ...
without replacement of the
aortic valve The aortic valve is a valve in the heart of humans and most other animals, located between the left ventricle and the aorta. It is one of the four valves of the heart and one of the two semilunar valves, the other being the pulmonary valve. The ...
. Two similar procedures were developed, one by
Sir Magdi Yacoub Sir Magdi Habib Yacoub ( ar, د/مجدى حبيب يعقوب ; born 16 November 1935), is an Egyptian retired professor of cardiothoracic surgery at Imperial College London, best known for his early work in repairing heart valves with surgeon ...
,Marfan Syndrome: A Primer For Clinicians And Scientists. Peter Nicholas Robinson, Maurice Godfrey eds. Chapter 5: Duke E. Cameron and Vincent L. Gott. Surgical Management of the Marfan Patient at The Johns Hopkins Hospital. and another by
Tirone David Tirone Esperidiao David, (born November 20, 1944) is a Brazilian-born Canadian cardiac surgeon and professor of surgery at the University of Toronto. He is an attending cardiac surgeon at the Peter Munk Cardiac Centre, Toronto General Hospital. ...
.


Techniques


Re-modeling Technique

Established by
Sir Magdi Yacoub Sir Magdi Habib Yacoub ( ar, د/مجدى حبيب يعقوب ; born 16 November 1935), is an Egyptian retired professor of cardiothoracic surgery at Imperial College London, best known for his early work in repairing heart valves with surgeon ...
.


Re-implantation Technique

Established by
Tirone David Tirone Esperidiao David, (born November 20, 1944) is a Brazilian-born Canadian cardiac surgeon and professor of surgery at the University of Toronto. He is an attending cardiac surgeon at the Peter Munk Cardiac Centre, Toronto General Hospital. ...
and
Christopher Feindel Christopher is the English version of a Europe-wide name derived from the Greek name Χριστόφορος (''Christophoros'' or '' Christoforos''). The constituent parts are Χριστός (''Christós''), "Christ" or "Anointed", and φέρει ...
at the
Toronto General Hospital The Toronto General Hospital (TGH) is a major teaching hospital in Toronto, Ontario, Canada and the flagship campus of University Health Network (UHN). It is located in the Discovery District of Downtown Toronto along University Avenue's Hospital ...
.


See also

*
Aortic aneurysm An aortic aneurysm is an enlargement (dilatation) of the aorta to greater than 1.5 times normal size. They usually cause no symptoms except when ruptured. Occasionally, there may be abdominal, back, or leg pain. The prevalence of abdominal aortic ...
*
Aortic dissection Aortic dissection (AD) occurs when an injury to the innermost layer of the aorta allows blood to flow between the layers of the aortic wall, forcing the layers apart. In most cases, this is associated with a sudden onset of severe chest or ...
*
Marfan syndrome Marfan syndrome (MFS) is a multi-systemic genetic disorder that affects the connective tissue. Those with the condition tend to be tall and thin, with long arms, legs, fingers, and toes. They also typically have exceptionally flexible joints a ...


References


External links


Chapter 31: Aortic Valve Repair and Aortic Valve-Sparing Operations
by Tirone E. David in ''Cardiac Surgery in the Adult''
Cardiac surgery {{Surgery-stub