La broncoscopía flexible es un método diagnostico no exento de complicaciones, el objetivo del presente trabajo es evaluar las complicaciones y factores relacionados post-procedimiento (broncoscopia con biopsia transbronquial o bronquial). Se incluyeron 1079 procedimientos durante el periodo estudiado, el 7.69% presento alguna complicación siendo hemorragia leve (Background: Flexible bronchoscopy is a useful diagnostic tool with a relative low rate of complications. Aim: To analyze post procedure risk of complications after flexible bronchoscopy with transbronchial or bronchial biopsy. Material and methods: The electronic database of a bronchoscopy unit at a general Hospital was analyzed. All procedures performed between 2009 and 2011 were reviewed and complications recorded. The primary outcome measure was the risk for complications defined as the percentage of procedures complicated by hemorrhage, pneumothorax, desaturation