EIT Assessment of Overdistension in ARDS Patients in Prone Position
For patients and families
In plain language
An automatic summary of structured registry data. It is an orientation aid, not a substitute for the official protocol or a physician assessment.
- What is being studied
- The protocol lists: Acute Respiratory Distress Syndrom (ARDS) treated with Prone Position (PP) equipped with Electrical Impedance Tomography (EIT).
- Who it may be relevant to
- Registry conditions: Acute Respiratory Distress Syndrome. Basic parameters: from 18 years · All.
- What needs checking
- Age, condition and sex are only basic indicators. Prior treatment, laboratory values and other mandatory requirements appear in the eligibility criteria below.
- Where it takes place
- France
- Next step
- Save the trial, show it to the treating physician, and confirm current recruitment with the study center. Costs, documents and travel →
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Official title
Pulmonary Overdistension Assessment With Electrical Impedance Tomography in Patients With Acute Respiratory Distress Syndrom in Prone Position
Overview
Mechanical ventilation in ARDS requires protective ventilation with low VT and PEEP. PEEP titration can improve lung recruitment in the dependent lung but with a risk of overdistension in the non-dependant lung. EIT can measure the distribution of tidal ventilation and assess overdistension and collapse during a PEEP titration in any position (prone or not). This study aims to measure the best PEEP as a compromise between recruitment and overdistension during a PEEP trial with EIT before and just after PP.
Interventions
- Other Acute Respiratory Distress Syndrom (ARDS) treated with Prone Position (PP) equipped with Electrical Impedance Tomography (EIT)
Positive End-Expiratory Pressure (PEEP) will be titrated with PEEP-EIT method as it is already done in usual care. A classical low flow Pression Volume (PV) curve will be done in order to detect airway closure and measure compliance, the acquisition of EIT data during PV curve will be analysed secondary with a dedicated software. Reconstruction of EIT derived PV curve will determine the regional airway opening pressures and compliances of the 2 lungs. Two decremental PEEP-EIT titrations will be
Primary outcome measures
- Level of distension [Time frame: 48 hours after inclusion day]
Secondary outcome measures (2)
- Comparison of the percent of overdistension and collapse during the EIT-PEEP titration [Time frame: 48 hours after inclusion day]
- Repartition of regional ventilation in each part of the lungs. [Time frame: 48 hours after inclusion day]
Eligibility criteria
Inclusion criteria
- Patients hospitalized in the ICU and who suffered moderate or severe ARDS (Berlin criteria, PaO2/FiO2<150), intubated sedated, under myorelaxant and equipped with EIT
- Over the age of 18.
Exclusion criteria
- Broncho-pleural leaks
- Pregnant or breastfeeding woman.
- Guardianship or curatorship
- Deprived of liberty
- No health insurance
- Impossibility to correctly position the EIT belt (e.g., dressings, chest drainage, etc.)
- Contra indications to EIT (e.g., implantable cardiac defibrillator, pacemaker, instable spinal lesions)
Criteria are shown verbatim from the registry (in English). Final eligibility is always assessed by the study center.
Healthy volunteers: No
Study design
- Observational model
- Cohort
Study locations
France · 2 centers
- CH Cote Basque — Bayonne
- Hopital Haut-Lévêque — Pessac
Identifiers
NCT: NCT06536543 · CHUBX 2022/13