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Surgical management of Novacor drive-line exit site infections
Michael K Pasque1, Tina Hanselman, Kim Shelton
1Division of Cardiothoracic Surgery, Washington University School of Medicine, St. Louis, Missouri 63110, USA. pasquem@msnotes.wustl.edu
Abstract:
Implantable left ventricular assist device (LVAD) drive-line exit site infection, an expected consequence of currently available device use, continues to be a significant limiting factor in long-term support. We theorize that the mechanism behind the establishment of the most chronic exit site infections involves a shearing torsion injury that disrupts the tissue adherence interface with the drive-line. The resulting neo-epithelialized drainage tract prevents permanent clearance of the infection with antibiotics alone. The proposed treatment strategy of established infections involves aggressive surgical excision of the involved exit site.