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Percoronary device occlusion of a large coronary artery fistula: Case report
Run-Tian Pai1,2, Zhen Tan1,2, Li Hongxin2
1School of Clinical Medicine, Shandong Second Medical University, Weifang, Shandong, China.
Insights
This case study highlights a novel, radiation-free approach for treating coronary artery fistula (CAF) in a pediatric patient. The innovative technique successfully occluded the fistula using transesophageal echocardiography guidance.
Area of Science:
- Cardiology
- Interventional Cardiology
- Pediatric Cardiology
Background:
- Coronary artery fistula (CAF) is a rare congenital heart defect.
- CAF can lead to serious complications like myocardial ischemia.
- Surgical or interventional methods are definitive treatments for CAF.
Purpose of the Study:
- To report a unique interventional case of CAF.
- To describe an innovative treatment approach for CAF.
- To evaluate the efficacy of a radiation-free occlusion technique for CAF.
Main Methods:
- A 6-year-old female patient with CAF presenting with exertional chest pain was treated.
- Imaging revealed a dilated left anterior descending coronary artery fistula draining into the right ventricle.
- A probe-assisted delivery system was used for transthoracic occlusion guided by transesophageal echocardiography.
Main Results:
- The transthoracic occlusion procedure was successfully performed.
- The procedure was guided exclusively by transesophageal echocardiography, avoiding radiation exposure.
- The intervention achieved safe and effective therapeutic outcomes.
Conclusions:
- This radiation-free, precise occlusion technique is a viable option for treating CAF.
- The method is effective even with complex coronary artery fistula anatomy.
- This approach offers a new, reliable treatment strategy for pediatric CAF patients.
Rationale:
As a rare congenital heart malformation, coronary artery fistula (CAF) may lead to serious complications such as myocardial ischemia. While conservative management can alleviate symptoms, surgical ligation or interventional occlusion offers a definitive cure. This article reports a unique interventional case.
Patient Concerns:
A 6-year-old female patient diagnosed as CAF presented with exertional chest pain, and imaging revealed a "sausage-like" aneurysmal dilation of the left anterior descending coronary artery, with a tail-like structure at its distal end draining into the right ventricle at an acute angle.
Diagnoses:
The patient was diagnosed with a CAF.
Interventions And Outcomes:
The medical team innovatively employed a probe-assisted delivery system to successfully perform a transthoracic occlusion procedure under real-time guidance exclusively by transesophageal echocardiography.
Lessons:
This case demonstrates that, even in the face of complex anatomical pathways, this radiation-free, precise occlusion technique can achieve safe and effective therapeutic outcomes, providing a new and reliable option for the treatment of CAF.
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