Respiratory failure & ventilation
Relationship between lung ultrasound and electrical impedance tomography as regional assessment tools during positive end-expiratory pressure (PEEP) titration in acute respiratory distress syndrome caused by multi-lobar pneumonia: a pilot study
Authors' conclusion
Regarding the MLP, the LUS scores were associated with EIT parameters, and LUS scores might proof helpful for finding individual PEEP settings in MLP.
Study context
- Population
- Patients with acute respiratory distress syndrome (ARDS) caused by multilobar pneumonia with PaO2/FiO2 < 150 mmHg672 pairs of data
- Participants
- 12 patients
- Exposure
- Lung ultrasound (LUS) vs electrical impedance tomography (EIT) during PEEP titration
- Outcome
- Relationship between LUS score and EIT parameters during PEEP titration
Methodological detailspilot study
- Pilot study
Main finding
As reported in the abstract
Correlation of LUS score with EIT parameters
Spearman's rho, LUS score vs tidal impedance variation (P < 0.001)
- 0.142
Spearman's rho, LUS score vs Cpix (P < 0.001)
- 0.195
Observational data: associations, not effects.
Further findings
Individual's mean expected PEEP · similar
P = 0.15
LUS score vs Cpix at each PEEP level
- Relationship remained the same at every PEEP level but did not reach statistical significance
Original publication
Relationship between lung ultrasound and electrical impedance tomography as regional assessment tools during PEEP titration in acute respiratory distress syndrome caused by multi-lobar pneumonia: a pilot study. J Clin Monit Comput. Published 2 January 2023. doi:10.
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