• Cristobal Esteban, Alberto Capelastegui, Helena Azcuna, Julio Pérez Izquierdo, Inmaculada Barredo, Jose Javier Echeverria, Luis Tena, Sandra Dorado, Amaia Garcia Loizaga, Amaia Aramburu, Ane Uranga, and Mikel Egurrola.
• Chest. 2014 Mar 1;145(3 Suppl):490A.

Session TitleBronchoscopy and Interventional Procedures PostersSESSION TYPE: Poster PresentationsPRESENTED ON: Saturday, March 22, 2014 at 01:15 PM - 02:15 PMPURPOSE: To assess the diagnosis yield and complications of radial EBUS in peripheral pulmonary lesions.Methods38 patients diagnosed of peripheral pulmonary lesions were prospectively included from March 2012 to July 2013. The technique was performed in the interventional radiology area with fluoroscopic guidance by a radiologist and under deep sedation by an anesthesiologist. The miniature ultrasonography probe was introduced with a guide sheath within the working channel of a flexible bronchoscope and leaded through the bronchus to reach the lesion. Once the lesion was identified by ultrasonography image, the probe was withdrawn and the sheath was left in situ, and through this, either transbronchial biopsy or brushing cytology was performed.ResultsThe location of the lesions were: 8 in right upper lobe, 11 in left upper lobe, 8 in middle lobe, 1 in lingual, 5 in right lower lobe and 4 in left lower lobe. The overall diagnostic yield was of 78.9%, with 81.8% for benign lesions and 77.7% for malignant lesions. In the lesions sized <10 mm, >10-<15mm, and > 30 mm the diagnose was obtained in 100%, while diagnostic yield in lesions sized >15-<20 mm (63.3%) and >20-<30 mm (71.4%) was lower. Demographic, radiologic, anatomopathologic and procedure-related complications data were collected retrospectively.ConclusionsRadial EBUS is able to reach most of the peripheral pulmonary lesions with a high diagnostic yield (78.9%) and complications free.Clinical ImplicationsThe radial EBUS gives evidence of reliable tecnique in peripheral pulmonary lesions where conventional bronchoscope presents a low diagnostic yield.DisclosureThe following authors have nothing to disclose: Helena Azcuna, Julio Pérez Izquierdo, Jose Javier Echeverria, Luis Tena, Mikel Egurrola, Sandra Dorado, Ane Uranga, Amaia Aramburu, Amaia Garcia Loizaga, Inmaculada Barredo, Cristobal Esteban, Alberto CapelasteguiNo Product/Research Disclosure Information.

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