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Aortic valve noncoronary cusp thrombosis after implantation of a nonpulsatile, continuous-flow pump.

Authors
  • Demirozu, Zumrut T
  • Frazier, O H
Type
Published Article
Journal
Texas Heart Institute journal / from the Texas Heart Institute of St. Luke's Episcopal Hospital, Texas Children's Hospital
Publication Date
Jan 01, 2012
Volume
39
Issue
5
Pages
618–620
Identifiers
PMID: 23109752
Source
Medline
Keywords
License
Unknown

Abstract

Different institutions have different strategies for managing both native and prosthetic aortic valves in recipients of left ventricular assist devices (LVADs). Anticoagulation protocols and pump-flow algorithms remain nonstandardized. We describe our institutional experience with thrombotic complications and our evolving approach to this important clinical problem. We report the cases of 4 HeartMate II LVAD recipients in whom, despite an anticoagulative regimen, thrombus formed on the noncoronary cusp of the aortic valve. The management of the closed aortic valve in LVAD-supported patients remains problematic.

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