Coronary artery to pulmonary artery communications in pulmonary atresia with ventricular septal defect
Anuradha Sridhar1, Raghavan Subramanyan, Kotturathu Mammen Cherian
1Department of Pediatric Cardiology, Frontier Life Line and Dr. K. M. Cherian Heart Foundation, Chennai, India.
Insights
Coronary artery to pulmonary artery communications (CAPAC) are vital for blood flow in some pulmonary atresia and ventricular septal defect (PA-VSD) patients. Identifying these connections is crucial for preventing complications and ensuring successful surgical repair.
Area of Science:
- Cardiology
- Pediatric Cardiology
- Congenital Heart Disease
Background:
- Coronary artery to pulmonary artery communications (CAPAC) represent a significant source of pulmonary blood flow in a subset of patients with pulmonary atresia and ventricular septal defect (PA-VSD).
- The presence of CAPAC can influence surgical strategies and outcomes in PA-VSD management.
- Diligent identification of these anomalous vessels is critical for preventing perioperative complications.
Purpose of the Study:
- To highlight the clinical significance of CAPAC in PA-VSD.
- To present case studies illustrating CAPAC in different age groups.
- To discuss the management options for CAPAC in PA-VSD.
Main Methods:
- Case report presentation of two patients with PA-VSD and CAPAC.
- Review of diagnostic considerations for identifying CAPAC.
- Discussion of interventional and surgical occlusion techniques.
Main Results:
- Two cases of PA-VSD with CAPAC were successfully managed.
- One patient was a 7-year-old child, and the other was a 33-year-old adult, demonstrating the condition's occurrence across age spans.
- Both surgical and catheter-based occlusion methods were considered.
Conclusions:
- CAPAC are an important consideration in the comprehensive management of PA-VSD.
- Early and accurate diagnosis of CAPAC is essential for optimal patient outcomes.
- Treatment strategies for CAPAC include both surgical and catheter-based approaches.
Abstract:
Coronary artery to pulmonary artery communications (CAPAC) are an important source of pulmonary blood flow in approximately 10% of patients with pulmonary atresia and ventricular septal defect (PA-VSD). A diligent look for these abnormal communications is important to prevent perioperative complications and achieve a complete repair. We present two cases of PA-VSD with CAPAC, one in a 7-year-old child and the other in a 33-year-old adult. The method of occlusion of these communications could be either surgical or catheter based.
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