The Total Artificial Heart in End-Stage Congenital Heart Disease

Chet R Villa1, David L S Morales1

  • 1Cincinnati Children's Hospital Medical Center, Heart InstituteCincinnati, OH, USA.

Insights

Total artificial hearts (TAHs) offer a promising solution for end-stage congenital heart disease (CHD) patients with heart failure. TAHs can accommodate complex anatomy, unlike traditional ventricular assist devices (VADs).

Area of Science:

  • Cardiology
  • Medical Devices
  • Congenital Heart Disease

Background:

  • Ventricular assist devices (VADs) have improved outcomes for end-stage heart failure.
  • Growing population of end-stage congenital heart disease (CHD) patients require advanced treatment options.
  • Anatomical and physiological complexities in CHD limit traditional VAD use.

Purpose of the Study:

  • To review the potential application of the total artificial heart (TAH) in patients with complex congenital heart disease (CHD).
  • To explore how TAHs can overcome limitations of VADs in CHD patients.

Main Methods:

  • Literature review of existing studies and case reports on TAH implantation in CHD patients.
  • Analysis of anatomical and physiological challenges in CHD that TAHs can address.
  • Discussion of TAH design flexibility in accommodating varied CHD anatomies.

Main Results:

  • TAHs, with their adaptable pump orientation, can manage the diverse anatomical variations seen in CHD.
  • TAHs present a viable alternative where conventional VADs are contraindicated due to complex CHD anatomy.
  • Limited but growing experience suggests TAHs can be effective in select CHD populations.

Conclusions:

  • The total artificial heart (TAH) shows significant potential for managing end-stage heart failure in complex congenital heart disease (CHD) patients.
  • TAHs offer a more adaptable solution compared to VADs for the unique anatomical challenges in CHD.
  • Further research and clinical experience are needed to fully establish TAHs as a standard treatment for this population.

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