Expandable cardiac valve in children found feasible
Young children and infants who require cardiac valve replacement are limited to fixed-diameter prostheses that cannot accommodate their growth, but researchers at Boston Children’s Hospital have reinforced an expandable bovine jugular vein graft using an external stent and implanted it in 42 patients with acceptable short-term results, according to a report in the Journal of Thoracic and Cardiovascular Surgery...

http://www.mdedge.com/thoracicsurgerynews/article/120226/congenital-heart-disease/expandable-cardiac-valve-children-found
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