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Berlin Heart EXCOR Support in the First Year of Life: A Single Centre Experience
Laura M Davis1, Melissa G Y Lee2, Bennett J Sheridan3
1Department of Paediatrics, Faculty of Medicine, University of Melbourne, Melbourne, Vic, Australia.
Insights
The Berlin Heart EXCOR Pediatric Ventricular Assist Device (BHE) effectively supports infants awaiting heart transplants or recovery. Neonates with myocarditis face higher mortality risks when using BHE.
Area of Science:
- Pediatric Cardiology
- Mechanical Circulatory Support
- Pediatric Heart Failure
Background:
- The Berlin Heart EXCOR Pediatric Ventricular Assist Device (BHE) is a critical tool for mechanical circulatory support in children with end-stage heart failure.
- It serves as a bridge to heart transplantation or recovery.
Purpose of the Study:
- To evaluate the morbidity and mortality associated with BHE support in infants under one year of age.
- To identify predictors of adverse outcomes in this pediatric population.
Main Methods:
- A retrospective review of all children under one year old supported with BHE between 2005 and 2018 at the Royal Children's Hospital, Melbourne.
- Adverse events were classified using the PediMACS criteria.
Main Results:
- Twelve out of fourteen infants (86%) achieved survival to bridge to transplantation or recovery.
- Sepsis occurred in 36% of patients and thromboembolic stroke in 14%.
- Mortality was 14%, with both fatalities occurring in neonates with myocarditis requiring re-intervention.
Conclusions:
- The BHE demonstrates excellent efficacy in supporting infants as a bridge to transplantation or recovery, with a low rate of neurological complications.
- Neonates diagnosed with myocarditis may represent a higher-risk group for mortality following BHE implantation.
Background:
Berlin Heart EXCOR Pediatric Ventricular Assist Device (BHE) (Berlin Heart AG, Berlin, Germany, BHE) is used worldwide for mechanical circulatory support as a bridge to transplantation or recovery for children with end-stage heart failure. The study aim was to evaluate morbidity and mortality of children less than one year old supported with BHE to identify predictors of adverse outcomes.
Methods:
Data of all children aged less than one year supported with BHE between 2005 and 2018 at the Royal Children's Hospital, Melbourne were reviewed. Adverse events were defined using PediMACS criteria.
Results:
Fourteen (14) children under 1 year of age were implanted with BHE at a median age and weight of 0.37 years (IQR 0.09-0.7) and 5.7 kg (IQR 3.5-7.95) respectively. Four (4) patients were neonates, and 10 were older infants. Twelve (12) patients had cardiomyopathy and two, myocarditis. Preoperative extracorporeal membrane oxygenation (ECMO) support was required in six patients for a mean of 9 days (IQR 6-13). Sepsis occurred in five patients (36%) and thromboembolic stroke in two patients (14%). Survival to bridge to transplantation (11) and recovery (1) was achieved in 12 patients (86%). Mortality was 14%. The median duration of BHE support was 110 days (IQR 40-161). Both patients who died were neonates with myocarditis and required surgical re-intervention during BHE support.
Conclusions:
BHE provides excellent support as a bridge to transplantation or recovery in infants, with a low incidence of neurological dysfunction. Neonates with myocarditis may be at greater risk for death after BHE implantation.
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