Use of airway pressure-based indices to detect high and low inspiratory effort during pressure support ventilation: a diagnostic accuracy study.

ABSTRACT:

Background

Assessment of the patient's respiratory effort is essential during assisted ventilation. We aimed to evaluate the accuracy of airway pressure (P_aw)-based indices to detect potential injurious inspiratory effort during pressure support (PS) ventilation.

Methods

In this prospective diagnostic accuracy study conducted in four ICUs in two academic hospitals, 28 adult acute respiratory failure patients undergoing PS ventilation were enrolled. A downward PS titration was conducted from 20 cmH₂O to 2 cmH₂O at a 2 cmH₂O interval. By performing an end-expiratory airway occlusion maneuver, the negative P_aw generated during the first 100 ms (P_0.1) and the maximal negative swing of P_aw (∆P_occ

SUBMITTER: Yang YL 

PROVIDER: S-EPMC10643759 | biostudies-literature | 2023 Nov

REPOSITORIES: biostudies-literature