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  • Title: Combined left pulmonary artery sling transposition and tracheal lobe resection through a median sternotomy: a case report.
    Author: Lima M, Ratta A, Gargiulo GD, Baroncini S, Gargano T, Randi B.
    Journal: Pediatr Med Chir; 2009; 31(6):252-7. PubMed ID: 20333884.
    Abstract:
    INTRODUCTION: The aim of this paper was to report the management of a very rare malformative association of Left Pulmonary Artery (LPA) sling and Tracheal Lobe which is not still reported in scientific literature. MATERIALS AND METHODS: The Authors describe the clinical case of a 6 years old girl that was admitted for chronic respiratory symptoms associated with recurrent upper respiratory infections. The CT-scan with virtual bronchoscopy showed an ectopic bronchus arising from the right side of the upper third of the trachea and ending in an accessory pulmonary lobe, covered by normal pleura, located in the upper mediastinum. The tracheo-broncoscopy showed a stenotic tracheal lumen with complete cartilaginous ring with an evident vascular pulsation in the middle of stenotic tract. An angio-CT confirmed the vascular anomalies with the LPA which passes between the lower trachea and the accessory tracheal bronchus and the coexistence of a persistent left superior vena cava. The surgical approach, after the thoracoscopic exploration, was a double procedure through a median sternotomy with cardiopulmonary bypass has permitted to excise completely the tracheal lobe and to reimplant the left pulmonary artery into the main pulmonary artery. RESULTS: No more upper respiratory symptoms or pulmonary infections have been observed during the clinical and instrumental follow up. CONCLUSIONS: Current controversy in the management of Pulmonary Artery sling include surgical approach (median sternotomy versus left thoracotomy), use or non-use of cardiopulmonary bypass, and reimplantation versus translocation with distal tracheal resection. In our experience LPA reimplantation and tracheal lobe resection have been made easily and safely by the same sternotomy utilized for the cardio-pulmonary by-pass.
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