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  • Title: [Pulmonary artery sling with tracheal stenosis--primary repair in infancy].
    Author: Oshima Y, Yamaguchi M, Ohashi H, Yoshimura N, Tanaka T, Oka S, Ogawa K, Nishijima E, Tsugawa C.
    Journal: Jpn J Thorac Cardiovasc Surg; 1998 Apr; 46(4):347-53. PubMed ID: 9619034.
    Abstract:
    Between 1984 and 1996 five infants underwent surgical repair of pulmonary artery sling associated with severe congenital tracheal stenosis. All infants had symptoms of severe respiratory distress and three of them required ventilator support preoperatively ages ranged from 2 to 11 months (mean age 6 months). Complete tracheal rings were present in all patients as an associated lesion and right upper lobe tracheal bronchus in 3 patients. The length of tracheal stenosis ranged from 18 to 45 mm (median 40 mm). Three had associated intracardiac anomalies (Scimitar syndrome (1), VSD (1), double-outlet right ventricle with VSD (1), double-outlet right ventricle with pulmonary hypertension (1)). Surgical intervention was carried out through a right thoracotomy (1) or median sternotomy (4). Cardiopulmonary bypass (CPB) was used in 3 patients and extracorporeal membrane oxgenator (ECMO). In 1. All infants had reimplantation of the left pulmonary artery into the main pulmonary artery left anterior to the trachea. Four patients underwent simultaneous tracheoplasty using costal cartilage grafts and one had complete resection of obstructed trachea between the right upper lobe tracheal bronchus and carina. The length of resected trachea was about 30% of the entire length of the trachea. Three infants underwent simultaneous intracardiac repair. There was no hospital death. All were weaned from ventilatory support and extubated on 1 to 16 months (mean 4, 5 months) postoperatively. AS an additional procedure, aortopexy, removal of granulation tissue or balloon dilatation of the trachea were carried out in one patient each following tracheoplasty using cartilage grafts. There was one late death at 1 year postoperatively. Three of 4 survivors are doing well with no stridor. We adonostridor. We adovocate 1) early aggressive primary repair of pulmonary artery sling with tracheal stenosis, 2) concomitant repair of tracheal lesion and intracardiac anomalies whenever possible, 3) application of CPB or ECMO to avoid cumbersome intubation technique, and 4) utmost effort to perform tracheal resection and end-to-end anastomosis.
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