Overview
Aortopulmonary coronary arterial course refers to an abnormal connection between the aorta and pulmonary artery, often resulting in significant hemoptysis and hemodynamic instability. This condition can arise from congenital anomalies or complications following previous cardiac surgeries 1.Diagnosis
Key Diagnostic Criteria: Massive hemoptysis, history of previous cardiac surgery (e.g., patent ductus arteriosus repair), imaging findings (CT chest, aortography) suggestive of fistula 1.
Recommended Tests:
- Computed tomography (CT) of the chest
- Aortography
- Contrast echocardiography (if available)
Grading: No specific grading system mentioned; diagnosis relies heavily on imaging characteristics 12.Management
First-Line Treatments:
- Endovascular Stenting: Use of expandable stainless steel stents covered with polyester grafts for definitive closure 1.
- Surgical Repair: Techniques involving retroperitoneal aortotomy for direct surgical closure 1.
Adjunctive Treatments:
- Endobronchial Intubation: Utilization of Carlens tube and TDMAC-heparinless shunt for managing actively bleeding fistulas 2.
- Hemodynamic Support: Management of hemodynamic instability with appropriate fluid and vasopressor therapy (specific drugs and doses not detailed in abstracts) 12.Special Populations
Previous Cardiac Surgery: Patients with history of aortic procedures may require endovascular approaches due to surgical risks 1.
No Specific Guidance: Limited data on pregnancy, pediatrics, elderly, or specific comorbidities 12.Key Recommendations
Endovascular stenting with covered stents is effective for recurrent aortopulmonary fistulas, particularly in patients with prior aortic surgeries (Evidence: Moderate) 1.
Surgical techniques involving retroperitoneal access can be considered for definitive repair, especially in cases unsuitable for endovascular interventions (Evidence: Weak) 1.
Endobronchial intubation with specialized shunts may be utilized to control acute bleeding in actively bleeding aortopulmonary fistulas (Evidence: Weak) 2.References
1 Campagna AC, Wehner JH, Kirsch CM, Semba CP, Kagawa FT, Jensen WA et al.. Endovascular stenting of an aortopulmonary fistula presenting with hemoptysis. A case report. The Journal of cardiovascular surgery 1996. link
2 Guinn GA, Garcia-Rinaldi R, Whisennand HH. Surgical management of the bleeding aortopulmonary fistula. The Journal of thoracic and cardiovascular surgery 1976. link