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Implantation of Total Artificial Heart in Congenital Heart Disease
Published on: July 18, 2014
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.
Abstract:
A Thoratec left ventricular assist device (LVAD) was used to support a 7-year-old 17-kg boy with viral cardiomyopathy for 23 days before heart transplantation. The boy is still living more than 1 year posttransplant, and functional except for some spastic paresis of the left hand, a residual from a stroke during device support. He is the smallest person to be supported with this device. We discuss techniques for using the Thoratec in children.
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