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

Authors
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
Volume
39
Issue
5
Pages
618–620
Identifiers
PMID: 23109752
Source
Medline
Keywords
  • Aortic Valve/Pathology
  • Heart-Assist Devices/Adverse Effects
  • Thrombosis
  • Ventricular Dysfunction, Left

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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