Cytomegalovirus reactivation and colitis after left ventricular assist device placement

Uriel Sandkovsky1, Diana F Florescu, John Y Um

  • 1Division of Infectious Diseases, University of Nebraska Medical Center, Omaha, NE, USA. usandkovsky@unmc.edu

Insights

Cytomegalovirus (CMV) colitis can cause gastrointestinal bleeding in patients with HeartMate II left ventricular assist devices (LVADs). This study highlights the need to consider CMV colitis in post-LVAD patients experiencing bleeding.

Area of Science:

  • Cardiology
  • Infectious Diseases
  • Gastroenterology

Background:

  • Left ventricular assist devices (LVADs) like the HeartMate II are crucial for end-stage heart failure management.
  • Immunosuppression is common in LVAD recipients, increasing susceptibility to opportunistic infections.

Observation:

  • Two patients with HeartMate II LVADs presented with significant gastrointestinal bleeding.
  • Diagnostic evaluation revealed cytomegalovirus (CMV) colitis as the underlying cause of bleeding in both cases.

Findings:

  • Cytomegalovirus (CMV) colitis is a potential complication following HeartMate II LVAD implantation.
  • Gastrointestinal bleeding in LVAD patients may be attributed to CMV reactivation.

Implications:

  • Clinicians should maintain a high index of suspicion for CMV colitis in LVAD recipients with unexplained gastrointestinal bleeding.
  • Further research into the mechanisms of CMV reactivation post-LVAD and effective management strategies is warranted.

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