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Pulmonary artery sling with tracheal stenosis: primary one-stage repair in infancy
G Ziemer1, M Heinemann, R Kaulitz
1Surgical Center, Children's Hospital, Hannover, Germany.
Insights
Pulmonary artery sling often co-occurs with tracheal stenosis. A novel one-stage surgical repair effectively treated both conditions, restoring normal breathing and blood flow in a pediatric patient.
Area of Science:
- Cardiovascular Surgery
- Pediatric Thoracic Surgery
- Congenital Vascular Anomalies
Background:
- Pulmonary artery sling is a rare congenital anomaly.
- It is frequently associated with tracheal stenosis, causing respiratory distress.
- Surgical correction of the vascular defect alone often fails to resolve airway obstruction.
Observation:
- A 6.5-month-old female infant presented with symptoms attributed to pulmonary artery sling and tracheal stenosis.
- The patient required intervention for significant dyspnea.
- Previous treatments focusing solely on the vascular anomaly were insufficient.
Findings:
- A primary one-stage surgical repair was performed.
- This involved a 2.4 cm tracheal resection and left pulmonary artery relocation.
- Cardiopulmonary bypass with deep hypothermic circulatory arrest facilitated the complex reconstruction.
- The procedure successfully normalized ventilation and pulmonary blood flow distribution.
Implications:
- This surgical approach offers a potential solution for complex cases of pulmonary artery sling with coexisting tracheal stenosis.
- It highlights the importance of addressing both the vascular and airway components simultaneously.
- The technique may improve long-term respiratory outcomes in affected children.
Abstract:
Pulmonary artery sling is often associated with tracheal stenosis. In many cases repair of the vascular anomaly alone does not relieve dyspnea. Primary one-stage repair with long segment tracheal resection (2.4 cm) and relocation of the left pulmonary artery using cardiopulmonary bypass and deep hypothermic circulatory arrest is described in a 6.5-month-old girl weighing 6.5 kg. This technique resulted in normal ventilation and pulmonary flow distribution.