Mechanical Circulatory Support for Single Ventricle Failure

Area of Science:

• Pediatric Cardiology
• Cardiovascular Surgery
• Biomedical Engineering

Background:

• Single ventricle (SV) physiology presents complex challenges for mechanical circulatory support (MCS).
• Improved neonatal palliative care, especially for hypoplastic left heart syndrome (HLHS), increases the SV patient population.
• A growing number of SV patients are at risk of developing heart failure (HF) requiring MCS.

Purpose of the Study:

• To review and analyze the current literature on MCS use in patients with SV physiology.
• To examine different MCS devices and strategies employed at various palliative stages.
• To address the unmet need for effective MCS in SV heart failure management.

Main Methods:

• Comprehensive literature review of reported MCS modalities in SV patients.
• Analysis of MCS application after neonatal palliation.
• Evaluation of MCS use post-superior cavo-pulmonary connection (SCPC) and total cavo-pulmonary connection (TCPC).

Main Results:

• The application of MCS in SV physiology is complex and evolving.
• Various devices and strategies are utilized across different stages of SV palliation.
• Data on MCS outcomes in SV patients at distinct palliative phases require further investigation.

Conclusions:

• Effective MCS for failing SV physiology is critical due to increasing patient numbers.
• Understanding MCS application at different SV palliation stages is essential for improved patient outcomes.
• Further research is needed to optimize MCS strategies for SV heart failure.