- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT04961437
Impact of Dyspnea, Regional Lung Ventilation, and Diaphragmatic Function During de Novo Acute Respiratory Failure (DY-VI-DI)
Evaluation of Dyspnea, Pulmonary VentIlation and DIaphragmatic Function in de Novo Adult Acute Respiratory Failure.
Study Overview
Status
Conditions
Intervention / Treatment
Detailed Description
Patients aged of 18 years or more, presenting with an acute respiratory failure without hypercapnia will be included in the study. Clinical and biological variables, dyspnea assessment, regional lung ventilation (electrical impedance tomography) and diaphragm function (ultrasound) will be evaluated at inclusion and at 2 hours, 4 hours and 48 hours after inclusion. In case of intubation, diaphragmatic function will be also evaluated with phrenic nerve stimulation technique.
Primary endpoint is intubation at day 7. Secondary endpoints are measurement of dyspnea, pulmonary ventilation and diaphragmatic function, also ventilator free days, ICU length of stay and mortality.
Study Type
Enrollment (Anticipated)
Contacts and Locations
Study Contact
- Name: Martin DRES, MD PhD
- Phone Number: O1 42 16 78 09
- Email: martin.dres@aphp.fr
Study Contact Backup
- Name: Sébastien Clerc, MD
- Phone Number: 06 47 21 69 77
- Email: sebastien.clerc@aphp.fr
Study Locations
-
-
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Paris, France, 75013
- Recruiting
- Groupe Hospitalier Pitié-Salpêtrière", Intensive care unit
-
Contact:
- Martin Dres, MD phD
- Phone Number: 01 42 16 78 09
- Email: martin.dres@aphp.fr
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Sampling Method
Study Population
Description
Inclusion Criteria:
- Age > 18
Acute respiratory insufficiency defined by the three following items :
- PaO2/ FiO2 <300
- Respiratory rate > 25/min
- Oxygen support > 10L/min or High Flow nasal oxygen (HFNO)
- Non opposition by the patient to be included
- Social insurance
Exclusion Criteria:
- Respiratory acidosis (pH < 7,35 PaCO2 > 45mmHg or 6kPa)
- Chronic respiratory disease ( COPD, bronchiectasis…)
- Cardiogenic Acute lung oedema
- Non intubation decision at randomisation
- Contraindication for Electro-impedance tomography-belt placement (chest trauma with rib fractures, thoracic wound, chest tube).
- Uncommunicative patient (Glasgow coma scale <12)
- Guardianship or curators for vulnerable patients.
Study Plan
How is the study designed?
Design Details
- Observational Models: Cohort
- Time Perspectives: Prospective
Cohorts and Interventions
Group / Cohort |
Intervention / Treatment |
---|---|
Patients with de novo acute respiratory failure
The following tests will be performed as part of the research (these tests are usually performed as part of routine care but not routinely and comprehensively):
|
A diaphragmatic ultrasound in a half sitting position. The diaphragmatic excursion and the thickening fraction of the right hemi-diaphragm will be measured. - Acquisition of 10 minutes of regional pulmonary ventilation by electrical impedance tomography. |
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Oro-tracheal intubation
Time Frame: 7 days after admission in the ICU
|
Patients who will be intubated within the 7 days after admission in the ICU
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7 days after admission in the ICU
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diaphragmatic function
Time Frame: 2 days after inclusion
|
using ultrasonography, measure of diaphragmatic excursion and diaphragmatic thickening in Hertz (Hz)
|
2 days after inclusion
|
Diaphragmatic function
Time Frame: 2 days after inclusion
|
Diaphragmatic function evaluation by phrenic nerve stimulation (only for intubated patients).
|
2 days after inclusion
|
lung regional ventilation
Time Frame: 2 days after inclusion
|
As measured with Electric Impedance Tomography index measures (inhomogeneity index, end expiratory lung impedance change)
|
2 days after inclusion
|
Dyspnea evaluation
Time Frame: 28 days after inclusion
|
Dyspnea evaluation using visual analogue scale applied to dyspnea: from 1 to 10, 1 corresponding to "no breathlessness" and 10 to "maximum breathlessness".
|
28 days after inclusion
|
Dyspnea evaluation
Time Frame: 28 days after inclusion
|
Dyspnea evaluation using Respiratory Distress Observation Scale (RDOS)
|
28 days after inclusion
|
Mechanical ventilation duration
Time Frame: 28 days after inclusion
|
(only for intubated patients).
|
28 days after inclusion
|
ICU length of stay
Time Frame: 28 days after inclusion
|
for all patients
|
28 days after inclusion
|
ICU mortality
Time Frame: 28 days after inclusion
|
for all patients
|
28 days after inclusion
|
Collaborators and Investigators
Investigators
- Study Director: Martin DRES, MD PhD, Assistance Publique - Hôpitaux de Paris
Study record dates
Study Major Dates
Study Start (Actual)
Primary Completion (Anticipated)
Study Completion (Anticipated)
Study Registration Dates
First Submitted
First Submitted That Met QC Criteria
First Posted (Actual)
Study Record Updates
Last Update Posted (Actual)
Last Update Submitted That Met QC Criteria
Last Verified
More Information
Terms related to this study
Keywords
Additional Relevant MeSH Terms
Other Study ID Numbers
- 2021-A00329-32
Plan for Individual participant data (IPD)
Plan to Share Individual Participant Data (IPD)?
Drug and device information, study documents
Studies a U.S. FDA-regulated drug product
Studies a U.S. FDA-regulated device product
This information was retrieved directly from the website clinicaltrials.gov without any changes. If you have any requests to change, remove or update your study details, please contact register@clinicaltrials.gov. As soon as a change is implemented on clinicaltrials.gov, this will be updated automatically on our website as well.
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