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Aortic Regurgitation23 March 2012 – Hannes Meyer Symposium
Jehron Pillayle Roux Institute of Thoracic Surgery
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+Aortic Valve Competence
Dependant on the normal anatomical and physiological functioning of the contents of the aortic root…
sinusesaortic valve leafletscommissuresinterleaflet trianglesannulus
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+Aortic Regurgitation
The anatomy of the aortic root How the root functions Surgical consideration of the valvular and
leaflet component Surgical consideration of the annular
component
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+Aortic Valve Competence
Sinotubular junction
Leaflets
Ventriculo aortic junction
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+AORTIC ROOT
Boundries:
Sinotubular Junction
Ventriculo-aortic Junction
Contents: sinuses
aortic valve leaflets
commissures
interleaflet triangles
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+ANATOMY OF THE ROOT
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+ANATOMY OF THE ROOT
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+ANATOMY OF THE ROOT
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+ANATOMY OF THE ROOT
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+ANATOMY OF THE ROOT
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+ANATOMY OF THE ROOT
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Systole
Diastole
120 degree - LAX
ST junctionAnnulus
Tubular aortaSinuses
ANATOMY OF THE ROOT
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+ROOT FUNCTION
MYTH
Complex haemodynamic system
Distal Root
Proximal Root
Role of the sinuses
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+ROOT FUNCTION
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+Surgical considerationsLEAFLET DISEASE
RheumaticInfective endocarditisCongenitalIatrogenic
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+Surgical considerationsLEAFLET DISEASEValve replacement
mechanical
bioprosthesis
- allograft
- xenograft
- autograft (Ross)
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+Surgical considerationsLEAFLET DISEASE (ROSS)
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+Surgical considerationsLEAFLET DISEASE
Valve repair
cusp perforation
cusp extension
cusp prolapse
cusp with stress fenestration
bicuspid aortic valve
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+Surgical considerationsLEAFLET DISEASE
cusp perforation
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+Surgical considerationsLEAFLET DISEASE
cusp extension
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+Surgical considerationsLEAFLET DISEASE
cusp prolapse
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+Surgical considerationsLEAFLET DISEASE cusp with stress fenestration
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+Surgical considerationsLEAFLET DISEASE
bicuspid aortic valve
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+Surgical considerationsROOT
Aneurysms
Annulo Ectasia
Marfans
Other
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+Surgical considerationsROOT
YACOUB
DAVID
REMODELING
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+Surgical considerationsROOT
YACOUB PROCEDURE
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+Surgical considerationsROOT
DAVID PROCEDURE
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+Surgical considerationsROOT
BENTALL
RECONSTRUCTION
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+Surgical considerationsROOT
BENTALL PROCEDURE
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+FINAL POINTS
remodeling - late deterioration in valve function
dacron damage
marfan syndrome
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+REFERENCES
The aortic root: structure, function, and surgical reconstruction, M J Underwood, G El Khoury, D Deronck, D Glineur, R Dion, Heart 2000;83:376–380
David T Ei . Aortic Valve Repair and Aortic Valve–Sparing Operations.Cohn Lh, ed. Cardiac Surgery in the Adult. New York: McGraw-Hill, 2008:935-948.
Kunzelman KS, Grande J, David TE, Cochran RP, Verrier ED. Aortic root and valve relationships: impact on surgical repair. J Thorac Cardiovasc Surg 1994;107:162–170.
The surgical anatomy of the aortic root, Robert H. Anderson, mmcts.2006.002527