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Updated: Jan 28, 2026

Implantation of Total Artificial Heart in Congenital Heart Disease
Published on: July 18, 2014
IMPACT Registry and National Pediatric Cardiology Quality Improvement Collaborative: Contributions to Quality in
Gerard R Martin1, Jeffrey B Anderson2, Robert N Vincent3
11 Division of Cardiology, Children's National Heart Institute and the George Washington University School of Medicine, Washington, DC, USA.
Insights
The National Pediatric Cardiology Quality Improvement Collaborative (NPC-QIC) significantly reduced mortality in infants with Hypoplastic Left Heart Syndrome (HLHS). The IMPACT Registry has provided valuable data but has not yet shown a direct impact on patient outcomes.
Area of Science:
- Cardiology
- Pediatric Health
- Medical Quality Improvement
Background:
- Congenital heart disease (CHD) affects numerous children and adults.
- Improving patient outcomes requires robust data collection and quality improvement initiatives.
- Existing efforts include the IMPACT Registry and the NPC-QIC.
Purpose of the Study:
- To evaluate the effectiveness of two major initiatives in improving outcomes for congenital heart disease patients.
- To assess the IMPACT Registry's impact on patient outcomes and the NPC-QIC's success in reducing mortality for HLHS infants.
Main Methods:
- The IMPACT Registry collects data on diagnostic and interventional catheterization procedures in CHD patients.
- The NPC-QIC focuses on reducing interstage mortality in infants with Hypoplastic Left Heart Syndrome (HLHS).
- The NPC-QIC combines registry data with a learning collaborative approach.
Main Results:
- The NPC-QIC successfully reduced interstage mortality in HLHS infants by 44%.
- The NPC-QIC also achieved reductions in variation, growth failures, and mortality.
- The IMPACT Registry has provided valuable observations and a risk stratification methodology but has not yet demonstrated a direct impact on patient outcomes.
Conclusions:
- Quality improvement collaboratives, like NPC-QIC, can achieve significant positive impacts on patient outcomes and mortality.
- The combined approach of data collection and collaborative learning is more effective than registry data alone for improving outcomes.
- Continued evaluation and refinement of quality improvement strategies are essential in the field of congenital heart disease.
Abstract:
The IMproving Pediatric and Adult Congenital Treatments (IMPACT) Registry and the National Pediatric Cardiology Quality Improvement Collaborative (NPC-QIC) are two efforts initiated to improve outcomes in the congenital heart disease field. The IMPACT Registry is focused on evaluating the use, risks, adverse events (AEs), and outcomes associated with diagnostic and common interventional catheterization procedures in all children and adults with congenital heart disease. Utilizing a modular approach, the common procedures include diagnostic cardiac catheterization, atrial septal defect device closure, patent ductus arteriosus device closure, pulmonary valvuloplasty, aortic valvuloplasty, balloon and stent angioplasty of coarctation of the aorta, pulmonary artery balloon stent angioplasty, transcatheter pulmonary valve replacement, and electrophysiology procedures including radiofrequency ablation. To date, important observations on the common procedures have been made and a risk stratification methodology has been created to allow comparisons between centers in AEs and quality improvement activity. The registry is open to international participation. The NPC-QIC was developed to reduce mortality and improve the quality of life of infants with Hypoplastic Left Heart Syndrome (HLHS) during the interstage period between discharge from the Norwood operation and admission for the bidirectional Glenn procedure. Mortality in the interstage has been reduced by 44%. The IMPACT Registry and the NPC-QIC have demonstrated value to the congenital heart disease community. The IMPACT Registry, however, has not yet demonstrated an impact on patient outcomes. The NPC-QIC, which combines both a registry with a learning collaborative with specific aims, key drivers, and change strategies, has made more significant gains with reductions in variation, growth failures, and mortality.
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