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<p>Outflow graft obstruction (OGO) is a rare but potentially fatal complication of long-term left ventricular assist device use. This report presents a case of late-onset OGO caused by <i>Candida albicans</i> in a patient with an EVAHEART2. For EVAHEART2, which does not provide low-flow alarms, analysis of device log data revealing a gradual reduction in the maximum pump speeds and power consumption, as well as a gradual increase in the minimum pump speeds and power consumption, may be important for the early detection of OGO.</p>

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A case of outflow graft obstruction after EVAHEART2 implantation: role of device log analysis

  • 期刊论文

  • 发表日期：

    2026年6月1日

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  • Yudai Muratsuji,
  • Ai Kawamura,
  • Daisuke Yoshioka,
  • Takuji Kawamura,
  • Shin Yajima,
  • Yusuke Misumi,
  • Shigetaka Kusumoto,
  • Yusuke Minematsu,
  • Takeshi Matsumoto,
  • Shunsuke Saito,
  • Takayoshi Ueno,
  • Masaki Takashina,
  • Shigeru Miyagawa

摘要

Outflow graft obstruction (OGO) is a rare but potentially fatal complication of long-term left ventricular assist device use. This report presents a case of late-onset OGO caused by Candida albicans in a patient with an EVAHEART2. For EVAHEART2, which does not provide low-flow alarms, analysis of device log data revealing a gradual reduction in the maximum pump speeds and power consumption, as well as a gradual increase in the minimum pump speeds and power consumption, may be important for the early detection of OGO.