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Procedures: Procedures 1 - EMN/BT/Rigid/Cryo |

Positive Airway Pressure-Enhanced CT to Improve Virtual Bronchoscopic Navigation

Marta Diez-Ferrer; Debora Gil; Elena Carreño; Susana Padrones; Samantha Aso; Vanesa Vicens; Cubero Noelia; Rosa Lopez Lisbona; Carles Sanchez; Agnes Borras; Antoni Rosell
Author and Funding Information

Hospital Universitari de Bellvitge, Barcelona, Spain


Copyright 2016, American College of Chest Physicians. All Rights Reserved.


Chest. 2016;150(4_S):1003A. doi:10.1016/j.chest.2016.08.1109
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SESSION TITLE: Procedures 1 - EMN/BT/Rigid/Cryo

SESSION TYPE: Original Investigation Poster

PRESENTED ON: Wednesday, October 26, 2016 at 01:30 PM - 02:30 PM

PURPOSE: A main weakness of virtual bronchoscopic navigation (VBN) is unsuccessful segmentation of distal branches approaching peripheral pulmonary nodules (PPN). CT scan acquisition protocol is pivotal for segmentation covering the utmost periphery. We hypothesize that application of continuous positive airway pressure (CPAP) during CT acquisition could improve visualization and segmentation of peripheral bronchi. The purpose of the present pilot study is to compare quality of segmentations under 4 CT acquisition modes: inspiration (INSP), expiration (EXP) and both with CPAP (INSP-CPAP and EXP-CPAP).

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