Bridge to transplantation with a Thoratec left ventricular assist device in a 17-kg child

J G Copeland1, F A Arabia, R G Smith

  • 1Section of Cardiovascular and Thoracic Surgery and Artificial Heart Program, University Medical Center, University of Arizona, Tucson, USA. jgc@u.arizona.edu

Insights

A Thoratec left ventricular assist device (LVAD) successfully supported a pediatric patient with viral cardiomyopathy for 23 days. This smallest-ever recipient is thriving over a year post-heart transplant, demonstrating LVAD efficacy in children.

Area of Science:

  • Pediatric cardiology
  • Mechanical circulatory support
  • Cardiomyopathy research

Background:

  • Viral cardiomyopathy presents a critical challenge in pediatric heart failure.
  • Left ventricular assist devices (LVADs) offer a potential bridge to transplantation.
  • Limited data exists on LVAD use in very young and small pediatric patients.

Observation:

  • A 7-year-old, 17-kg boy with viral cardiomyopathy received a Thoratec LVAD.
  • The device provided circulatory support for 23 days prior to heart transplantation.
  • The patient experienced a stroke during the LVAD support period.

Findings:

  • The patient survived heart transplantation and remains alive over one year post-procedure.
  • Functional recovery is notable, with residual spastic paresis in the left hand.
  • This case represents the youngest and smallest patient successfully supported by this specific LVAD model.

Implications:

  • Successful LVAD application in a very small pediatric patient expands the potential use of mechanical circulatory support.
  • The study highlights the feasibility of using the Thoratec LVAD in pediatric populations.
  • Further research into specialized techniques for pediatric LVAD implantation and management is warranted.

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