A Berlin Heart Ventricular Assist Device (EXCOR) explant showed that approximately 50% of the initial surface heparin bioactivity is retained on the surface after 855 days of use in a patient.
Dr Johan Riesenfeld presented a case report at the Society For Biomaterials 2007 Annual Meeting held April 18 – 21, 2007 in Chicago, Illinois, USA.
Abstract - 855 days use of EXCOR