First real-time imaging of bronchoscopic lung volume reduction by electrical impedance tomography.

ABSTRACT:

Background

Bronchoscopic lung volume reduction (BLVR) with one-way endobronchial valves (EBV) has better outcomes when the target lobe has poor collateral ventilation, resulting in complete lobe atelectasis. High-inspired oxygen fraction (F_IO₂) promotes atelectasis through faster gas absorption after airway occlusion, but its application during BLVR with EBV has been poorly understood. We aimed to investigate the real-time effects of F_IO₂ on regional lung volumes and regional ventilation/perfusion by electrical impedance tomography (EIT) during BLVR with EBV.

Methods

Six piglets were submitted to left lower lobe occlusion by a balloon-catheter and EBV valves with F_IO₂ 0.5 and 1.0. Regional end-expiratory lung

SUBMITTER: Torsani V 

PROVIDER: S-EPMC11225379 | biostudies-literature | 2024 Jul

REPOSITORIES: biostudies-literature