Acute obstruction by pannus in patients with aortic medtronic-hall valves: 30 years of experience
VS Ellensen, KS Andersen, N Vitale… - The Annals of Thoracic …, 2013 - Elsevier
Background Acute dysfunction of mechanical aortic valve prostheses is a life-threatening
adverse event. Pannus overgrowth, which is fibroelastic hyperplasia originating from the
periannular area, is one cause of dysfunction. The aim of this study was to determine the
annual incidence of readmittance resulting from acute obstruction caused by pannus during
30 years of observation in patients with Medtronic-Hall aortic valve prostheses and to
analyze the risk factors associated with pannus development. Methods From 1982 to 2004 …
adverse event. Pannus overgrowth, which is fibroelastic hyperplasia originating from the
periannular area, is one cause of dysfunction. The aim of this study was to determine the
annual incidence of readmittance resulting from acute obstruction caused by pannus during
30 years of observation in patients with Medtronic-Hall aortic valve prostheses and to
analyze the risk factors associated with pannus development. Methods From 1982 to 2004 …
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