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Eur J Cardiothorac Surg 2005;28:11-15
© 2005 Elsevier Science NL

Tracheomalacia in oesophageal atresia: morphological considerations by endoscopic and CT study

^a U.O.C. di Chirurgia Pediatrica, Azienda Ospedaliera "S. Camillo-Forlanini", Via Cicerone 60, 00193 Roma, Italy
^b Dipartimento di Radiologia Generale, Azienda Ospedaliera "S. Camillo-Forlanini", Roma, Italy
^c U.O.C. di Chirurgia Pediatrica A, Azienda Ospedaliera Materno Infantile "O.I.R.M-S.Anna", Torino, Italy
^d Dipartimento di Radiologia Generale, Azienda Ospedaliera Materno Infantile "O.I.R.M-S.Anna", Torino, Italy

Received 7 February 2005; received in revised form 31 March 2005; accepted 4 April 2005.

^* Corresponding author. Tel.: +39 06 3212234; fax: +39 06 58204592. (Email: vito.briganti{at}fastwebnet.it).

Objective: A Tracheomalacia complicates 11–33% of cases of Oesophageal Atresia with distal Tracheo-Oesophageal Fistula. The lesion generally involves only the thoracic segment of the trachea, and it has close anatomical relationships with the mediastinal structures, specially with the aortic arch. We therefore tried to define the most important morphotypes of tracheobronchial malacia by using dynamic fiberoptic bronchoscopy (DFB) and spiral multilayer computed tomography (CT). Methods: Between 1999 and 2003 we studied 40 children from two different institutions who had been operated on at birth for oesophageal atresia. All patients were been submitted to DFB, and the positive cases underwent examination by CT with an iodinated contrast medium. CT angiographic images of great vessels and multiplanar and three-dimensional images of the airways (virtual broncoscopy and broncography) were obtained for morphological evaluation. Results: Twenty-five patients (62%) tested positive for malacia using DBF and all were also confirmed by CT study. In 11 cases (46%), the malacia was located at the thoracic section of the trachea, which was occluded by compression of the aorto-innominate complex. A simple intrinsic tracheomalacia without any vascular compression was present in eight cases (33%), while in five cases (21%), the malacia was complex. Conclusions: A correct morphological analysis of the malformed segment permitted ‘tailored surgery’ for each individual patient, allowing us to take account of the type of malacia, its length, and the compressive action exercised by the mediastinal great vessels.

Key Words: Tracheal disease • Trachea • Oesophageal atresia • Child

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