• Venceslau Hespanhol, Adriana Magalhães, and Agostinho Marques.
• Pulmonary Service, Hospital S. João Medical Center, Porto, Portugal. vhespanhol@netcabo.pt
• J. Thorac. Cardiovasc. Surg.. 2013 Apr 1;145(4):926-32.

ObjectiveCancer can involve the airways, causing various degrees of obstruction. Usually, after days or months of mild to moderate undervalued symptoms, severe dyspnea arises abruptly, imposing an immediate attempt to restore the airflow regardless of the etiology. This study focuses on the development of a predictive preintervention model that is useful when deciding whether to perform therapeutic interventional bronchoscopy in patients with severe central airway obstruction.MethodsA total of 804 patients who underwent rigid bronchoscopy under general anesthesia to treat severe neoplastic central airway obstruction from 1990 to 2009 were studied. Electronic records for patients who underwent bronchoscopy were analyzed. The patients were primarily male (n = 618, 76.9%) and the median age was 62 years. Lung cancer was the most frequent cause of neoplastic airway obstruction (n = 645, 81.65%). An estimate of the probability of individual endoscopic success was made.ResultsOf the 804 patients with severe neoplastic airway obstruction, 681 (84.7%) achieved luminal clearance, and the procedure was considered an endoscopic success. Tracheal involvement (rate ratio, 1.21; range, 1.16-1.27) endoluminal mass (rate ratio, 1.13; range, 1.06-1.12), and extrinsic compression (rate ratio, 1.17; 1.11-1.17) were associated significantly with a favorable endoscopic outcome. Tumor location and any kind of mucosal infiltration were the main determinants of the predictive preoperative model of intervention success.ConclusionsEndoscopic characteristics and location of the neoplastic lesions are the major determinants of patients' endoscopic outcome. The preintervention model adds to the clinical evaluation an important contribution to the decision-making process on performing therapeutic interventional bronchoscopy in a critical setting.Copyright © 2013 The American Association for Thoracic Surgery. Published by Mosby, Inc. All rights reserved.

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