Paediatric ventricular assist devices: current achievements

M Schweiger1, H Dave, F Lemme

  • 1Department for Congenital Cardiovascular Surgery, University Children’s Hospital Zurich, Switzerland. martinschweig88@hotmail.com

Insights

Mechanical circulatory support, including ventricular assist devices (VADs), is crucial for children with cardiomyopathy due to donor heart shortages. Advances in pediatric VADs offer new hope for end-stage heart failure in children.

Area of Science:

  • Pediatric Cardiology
  • Biomedical Engineering

Background:

  • Mechanical circulatory support is vital for children with cardiomyopathy, especially with donor heart scarcity.
  • Adult ventricular assist devices (VADs) have advanced significantly, but pediatric VADs are less developed.
  • Existing pediatric VADs like Medos HIA and Berlin Heart Excor are designed for smaller children (BSA <1.2 m2).

Purpose of the Study:

  • To review the current literature on long-term mechanical circulatory support in pediatric patients.
  • To summarize indications and contraindications for VADs in children.
  • To describe an institutional decision-making algorithm for pediatric VAD use.

Main Methods:

  • Literature review of pediatric ventricular assist device (VAD) applications.
  • Analysis of indications and contraindications for long-term VAD support in children.
  • Description of a clinical decision-making pathway for VAD implantation in pediatric end-stage heart failure.

Main Results:

  • Pediatric VAD technology is evolving, with third-generation devices offering new possibilities.
  • Specific VADs are available for smaller children, but broader age group solutions are emerging.
  • Experience with existing devices is growing, improving outcomes.

Conclusions:

  • Advances in pediatric VADs are expanding treatment options for children with end-stage heart failure.
  • Careful consideration of indications, contraindications, and institutional algorithms is essential for optimal VAD selection and use in children.
  • Continued development of VADs for all pediatric age groups is critical.

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