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Titration of Positive End-expiratory Pressure: Comparison Between Manual Thoracic or Abdominal Compression and Electrical Impedance Tomography (TICTAC)
Patients with acute respiratory distress syndrome are placed on mechanical ventilation, and the adjustment of ventilator parameters is an important step in their care, in particular positive expiratory pressure, applied at the end of breathing.
The goal of this study is to learn if continuous anterior chest compression works as well as electrical impedance tomography for positive expiratory pressure titration.
Researchers will compare the two methods for each patient, in a randomly determined order : continuous anterior chest compression and electrical impedance tomography.
Participants will :
- have a pep titration with both techniques
- be included in the study for 28 days
Studie Overzicht
Toestand
Interventie / Behandeling
Gedetailleerde beschrijving
Personalizing the PEEP level is an important step in ventilator adjustment in ARDS patients.
The investigators have developed a simple, low-cost method to detect overdistension of the lung, consisting of applying manual compression to the anterior aspect of the patient's thorax, and observing whether the ventilator pressure increases or decreases.
The investigators hypothesize that with this simple method it is possible to determine the PEEP level which corresponds to that determined with EIT.
Studietype
Inschrijving (Geschat)
Fase
- Niet toepasbaar
Contacten en locaties
Studiecontact
- Naam: Emmanuel Vivier, MD
- Telefoonnummer: +33(0)478618209
- E-mail: evivier@saintjosephsaintluc.fr
Studie Contact Back-up
- Naam: Fanny Doroszewski, Mrs
- Telefoonnummer: +33(0)47861820 +33(0)478618398
- E-mail: fdoroszewski@saintjosephsaintluc.fr
Studie Locaties
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Créteil, Frankrijk, 94000
- Werving
- GHU Henri Mondor
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Contact:
- Guillaume Carteaux, Pr
- Telefoonnummer: +33149812111
- E-mail: guillaume.carteaux@aphp.fr
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Hoofdonderzoeker:
- Guillaume Carteaux, Pr
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Onderonderzoeker:
- Pascal Labedade, Dr
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Lyon, Frankrijk, 69007
- Werving
- Hopital Saint Joseph Saint Luc
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Hoofdonderzoeker:
- Emmanuel Vivier, Dr
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Contact:
- Emmanuel Vivier, Dr
- Telefoonnummer: +33478618209
- E-mail: evivier@saintjosephsaintluc.fr
-
Contact:
- Fanny Doroszewski
- Telefoonnummer: +33478618398
- E-mail: fdoroszewski@saintjosephsaintluc.fr
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Onderonderzoeker:
- Samuel Tuffet, Dr
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Deelname Criteria
Geschiktheidscriteria
Leeftijden die in aanmerking komen voor studie
- Volwassen
- Oudere volwassene
Accepteert gezonde vrijwilligers
Beschrijving
Inclusion Criteria:
- Age ≥ 18 years
- Moderate to severe ARDS according to the Berlin criteria
- Patient receiving sedation and continuous curarization
- Free and informed consent from the patient or their loved one
Exclusion Criteria:
- ECMO
- Pneumothorax
- Chest trauma in the last 3 months
- Uncontrolled shock (noradrenaline > 5 mg/h)
- Pregnant or breastfeeding woman
- Protected adult within the meaning of the law
- Lack of social security
- Patient under AME
Studie plan
Hoe is de studie opgezet?
Ontwerpdetails
- Primair doel: Ander
- Toewijzing: NVT
- Interventioneel model: Opdracht voor een enkele groep
- Masker: Geen (open label)
Wapens en interventies
Deelnemersgroep / Arm |
Interventie / Behandeling |
|---|---|
|
Ander: PEEP-titraties
|
Assessment of ideal PEEP using electrical impedance tomography will be performed.
The evaluation of PEEP using the thorax compression maneuver method will be carried out.
A blood sample (the "blood gases") will be taken at the ideal PEEP determined by electrical impedance tomography and at the ideal PEEP determined by the manual chest compression maneuver.
|
Wat meet het onderzoek?
Primaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
PEPCTAC
Tijdsspanne: Day 0
|
PEPCTAC (unit : cmH2O)
|
Day 0
|
|
PEPCAC
Tijdsspanne: Day 0
|
PEPCAC (unit : cmH2O)
|
Day 0
|
|
PEPEIT
Tijdsspanne: Day 0
|
PEPEIT (unit : cmH2O)
|
Day 0
|
Secundaire uitkomstmaten
Uitkomstmaat |
Maatregel Beschrijving |
Tijdsspanne |
|---|---|---|
|
Percentage of collapse at PEPCTAC
Tijdsspanne: Day 0
|
Percentage of collapse at PEPCTAC
|
Day 0
|
|
Percentage of collapse at PEPCAC
Tijdsspanne: Day 0
|
Percentage of collapse PEPCAC
|
Day 0
|
|
Percentage of collapse at PEPEIT
Tijdsspanne: Day 0
|
Percentage of collapse at PEPEIT
|
Day 0
|
|
Compare respiratory mechanics for PEPCTAC and PEPCAC and PEPEIT
Tijdsspanne: Day 0
|
Respiratory mechanics at PEPCTAC and PEPCAC ans PEPEIT : peak and plateau pressure, driving pressure, respiratory system compliance, pulmonary and parietal compliance, respiratory system resistance, end-expiratory transpulmonary pressure, stress index at each PEEP level
|
Day 0
|
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Compare PEPCTAC and other PEEP adjustment methods reported in the literature
Tijdsspanne: Day 0
|
Comparison of the PEPCTAC level to the PEP level according to the maximum recruitment arm of the Express study (PEP level which is accompanied by a Pplat between 28 and 30 cm H2O), Comparison of the PEPCTAC level to the PEP level according to the PEP/FiO2 scales, Comparison of the PEPCTAC level to the minimum PEEP level to obtain a positive end-expiratory transpulmonary pressure
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Day 0
|
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Evaluate the effect of CTAC on plateau pressure based on levels of distension and collapse resulting from PEEP
Tijdsspanne: Day 0
|
• Correlation between variation of plateau pressure with CTAC and percentage of distension linked to PEEP
|
Day 0
|
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Evaluate the effect of CTAC on plateau pressure based on levels of collapse resulting from PEEP
Tijdsspanne: Day 0
|
• Correlation between variation of plateau pressure with CTAC and percentage of collapsus linked to PEEP
|
Day 0
|
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Evaluate the effect of CTAC on plateau pressure based on the distribution of ventilation between dependent and non-dependent zones resulting from PEEP
Tijdsspanne: Day 0
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Correlation between variation of plateau pressure with CTAC and percentage of anterior ventilation
|
Day 0
|
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Evaluate the effects of CTAC on regional compliance according to the level of PEP
Tijdsspanne: Day 0
|
Regional compliances (four areas of interest with antero-posterior distribution) of the respiratory and pulmonary system estimated using EIT, airway pressure and esophageal pressure
|
Day 0
|
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Evaluate the effect of recruitability potential on the level of PEPCTAC and PEPEIT
Tijdsspanne: Day 0
|
R/I ratio
|
Day 0
|
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Evaluate the effect of airway opening pressure on the level of PEPCTAC and PEPEIT
Tijdsspanne: Day 0
|
Evaluation of the airway opening pressure by performing a slow flow pressure-volume curve (quasi-static condition) from a PEEP set at zero cm H2O
|
Day 0
|
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Evaluate the effects of PEEP on right ventricular function
Tijdsspanne: Day 0
|
Right ventricular function assessed by echocardiography: mitral inflow, subaortic VTI, subpulmonary VTI, continuous-wave pulmonary Doppler and assessment of pulmonary regurgitation, continuous Doppler, TAPSE (tricuspid annular plane systolic excursion), tricuspid annular S-wave.
Presence of acute cor pulmonale defined by an RV/LV ratio > 0.6 associated with paradoxical septal motion, PAPi (pulmonary artery pulsatility index).
Septal and free-wall right ventricular strains.
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Day 0
|
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Evaluate the effect of PEEP on venous congestion
Tijdsspanne: Day 0
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Venous congestion assessed by ultrasound (VExUS score)
|
Day 0
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Compare the percentages of distension between PEPCTAC and PEPCAC and PEPEIT
Tijdsspanne: Day 0
|
Percentages of distension between PEPCTAC and PEPCAC and PEPEIT
|
Day 0
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Medewerkers en onderzoekers
Studie record data
Bestudeer belangrijke data
Studie start (Werkelijk)
Primaire voltooiing (Geschat)
Studie voltooiing (Geschat)
Studieregistratiedata
Eerst ingediend
Eerst ingediend dat voldeed aan de QC-criteria
Eerst geplaatst (Werkelijk)
Updates van studierecords
Laatste update geplaatst (Werkelijk)
Laatste update ingediend die voldeed aan QC-criteria
Laatst geverifieerd
Meer informatie
Termen gerelateerd aan deze studie
Aanvullende relevante MeSH-voorwaarden
Andere studie-ID-nummers
- TICTAC
Informatie over medicijnen en apparaten, studiedocumenten
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