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Heart and Vessels

, Volume 3, Issue 2, pp 96–99 | Cite as

Intermittently stuck occluder: Case report of an unusual complication with the use of an aortic Omniscience prosthesis

  • Sugato Nawa
  • Shozo Ohsumi
  • Kaname Kurozumi
  • Hiroshi Izumoto
  • Yorikazu Nakayama
  • Masaharu Shigenobu
  • Eiji Sugawara
  • Yoshimasa Senoo
  • Shigeru Teramoto
Case Reports

Summary

An occluder which intermittently became stuck in the open position with concomitant aortic regurgitation was encountered in a patient subjected to an aortic valve replacement with a 23 Omniscience prosthetic valve. The patient was intermittently aware of the complete momentary disappearances of the valve sounds, the etiology of which could not be discerned. During fluoroscopic examination, the occluder became stuck for a few cardiac cycles in what appeared to be the fully open position before finally moving. Prosthetic valve malfunction was thus diagnosed.

The emergency operation was successful. Operative findings revealed that a thin thrombus had developed in a curtain-like fashion on the left ventricular face of the prosthesis with mild tissue overgrowth along the perimeter of the valve. The Omniscience prosthesis was replaced with a 19-mm St. Jude Medical prosthesis, and the patient's post-operative course has been uneventful.

Key words

Omniscience aortic valve prosthesis Intermittently stuck occluder Thrombotic valve malfunction 

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Copyright information

© Springer-Verlag 1987

Authors and Affiliations

  • Sugato Nawa
    • 1
  • Shozo Ohsumi
    • 1
  • Kaname Kurozumi
    • 1
  • Hiroshi Izumoto
    • 1
  • Yorikazu Nakayama
    • 1
  • Masaharu Shigenobu
    • 1
  • Eiji Sugawara
    • 1
  • Yoshimasa Senoo
    • 1
  • Shigeru Teramoto
    • 1
  1. 1.The Second Department of SurgeryOkayama University Medical SchoolOkayamaJapan

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