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The Journal of Thoracic and Cardiovascular Surgery, Vol 74, 322-324, Copyright © 1977 by The American Association for Thoracic Surgery and The Western Thoracic Surgical Association

ARTICLES

Severe intravascular hemolysis after aortic valve replacement: reversal by left ventricular apico-abdominal aortic composite conduit

DA Cooley and JC Norman

Severe intravascular hemolysis developed following aortic valve replacement with a No. 17 Bjork-Shiley prosthesis in a patient with a diminutive aortic annulus. At reoperation, a residual gradient of 54 mm. Hg and no evidence of perivalvular leak were found. A second left ventricular outflow tract between the apex and the supraceliac abdominal aorta was fashioned with a special rigid (Pyrolite) prosthesis and a heterograft valved composite conduit. The gradient was reduced to 5 mm. Hg and hemolysis was reversed. We have now created double-outlet left ventricles for primary or recurrent left ventricular outflow tract obstructions of various etiologies in 13 other pediatric and adult patients. The longest follow-up is approaching 18 months. All gradients have been sharply reduced and all patients are asymptomatic.

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