- ICH GCP
- US Clinical Trials Registry
- Clinical Trial NCT03978221
Tissue Doppler Ultrasound During Spontaneous Breathing and Non-invasive Ventilation in the Post-extubation Period. (TDIpostext)
Diaphragm Performance Evaluation With Tissue Doppler Ultrasound Examination During Spontaneous Breathing in Facial Mask and During Non-invasive Ventilation in the Post-extubation Period.
The aim of the present investigation will be to evaluate diaphragmatic excursion velocity during non-invasive ventilation and spontaneous breathing at both inspiration and expiration.
this analysis will be performed through diaphragmatic tissue Doppler assessment.
Study Overview
Status
Intervention / Treatment
Detailed Description
Early weaning from invasive ventilation, in patients admitted to intensive care, is associated with a marked reduction in ventilator-associated pneumonia, length of stay in intensive care unit and hospital, total duration of mechanical ventilation and decrease in overall mortality. Moreover, in case of need of protected extubation, non-invasive ventilation has allowed to prevent re-intubation and decrease hospital mortality compared to the simple administration of oxygen through a facial mask, in particular when applied immediately after extubation.
The diaphragmatic tissue doppler imaging (TDI) is an ultrasonographic technique derived from ultrasound evaluation of the heart's motility. It can be easily used on the diaphragm to calculate the speed of muscles displacement that could be associated with patient's respiratory drive.
The aim of the study is the evaluation of the diaphragmatic excursion velocity variations using diaphragmatic tissue doppler, measured in venturi mask and non-invasive ventilation in the post-extubation period, in order to compare the diaphragm stress variations during the two different modes.
Method Patients after extubation will be randomly submitted to a spontaneous breathing test in venturi mask and in facemask or helmet NIV.
Each trial will last 20 minutes. During the last minute of each trial a tissue doppler diaphragm examination will be performed to assess the speed speed of muscle displacement, acceleration and deceleration.
Inclusion criteria: invasive mechanical ventilation > 24h with consequent extubation.
Exclusion criteria: refusal to grant consent, pregnancy, age < 18 years, haemodynamic instability, difficult management of secretions, required inotropic and / or vasoactive drugs at high doses.
During the study, vital parameters will be given.
Study Type
Enrollment (Anticipated)
Phase
- Not Applicable
Contacts and Locations
Study Contact
- Name: Gianmaria Cammarota, MD,PHD
- Phone Number: 00393392669420
- Email: gmcamma@gmail.com
Study Contact Backup
- Name: Gianmaria MD Cammarota
- Phone Number: 00393392669420
Study Locations
-
-
-
Novara, Italy, 28100
- Recruiting
- A.O.U Maggiore della Carità
-
Contact:
- Gianmaria Cammarota, MD, PHD
- Phone Number: +393213733406
- Email: gmcamma@gmail.com
-
-
Participation Criteria
Eligibility Criteria
Ages Eligible for Study
Accepts Healthy Volunteers
Genders Eligible for Study
Description
Inclusion Criteria:
- invasive mechanical ventilation > 24h with consequent extubation
Exclusion Criteria:
- refusal to grant consent
- pregnancy
- age >18 years
- haemodynamic instability
- difficult management of secretions
- required inotropic and / or vasoactive drugs at high doses
Study Plan
How is the study designed?
Design Details
- Primary Purpose: TREATMENT
- Allocation: NA
- Interventional Model: SINGLE_GROUP
- Masking: NONE
Arms and Interventions
Participant Group / Arm |
Intervention / Treatment |
---|---|
EXPERIMENTAL: diaphragmatic tissue doppler evaluation
A tissue Doppler evaluation, using a sectorial probe, will be performed by analyzing the diaphragmatic displacement velocity during inspiration and expiration randomly assessed in spontaneous breathing with Venturi Mask and in Non-invasive ventilation with a helmet or facial mask
|
A diaphragmatic tissue Doppler evaluation will be performed during non-invasive ventilation and spontaneous breathing trial applied in random sequence.
Each trial will last 20 minutes.
During the last minute of each trial a tissue doppler diaphragmatic examination will be performed to assess the speed of diaphragmatic displacement during inspiration and expiration.
|
What is the study measuring?
Primary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
diaphragmatic displacement velocity
Time Frame: through each trial completion, an average of 20 minutes
|
Inspiratory and expiratory diaphragmatic displacement velocity evaluated with tissue doppler during the NIV trial and in spontaneous breathing with Venturi mask.
|
through each trial completion, an average of 20 minutes
|
Secondary Outcome Measures
Outcome Measure |
Measure Description |
Time Frame |
---|---|---|
Diaphragmatic acceleration
Time Frame: through each trial completion, an average of 20 minutes
|
Inspiratory and expiratory diaphragmatic displacement acceleration evaluated with tissue doppler during the NIV trial and in spontaneous breathing with Venturi mask.
|
through each trial completion, an average of 20 minutes
|
Gas exchange - arterial carbon dioxide tension
Time Frame: through each trial completion, an average of 20 minutes
|
PaCO2, will be obtained performing ABG sample
|
through each trial completion, an average of 20 minutes
|
Gas exchange - pH
Time Frame: through each trial completion, an average of 20 minutes
|
pH will be obtained performing ABGs.
|
through each trial completion, an average of 20 minutes
|
Gas exchange - arterial oxygen tension
Time Frame: through each trial completion, an average of 20 minutes
|
arterial oxygenation PaO2 will be obtained performing ABGs.
|
through each trial completion, an average of 20 minutes
|
Dyspnea level
Time Frame: through each trial completion, an average of 20 minutes
|
dyspnea level evaluated through visual analogical scale ( VAS dyspnea)
|
through each trial completion, an average of 20 minutes
|
Comfort level
Time Frame: through each trial completion, an average of 20 minutes
|
Comfort level evaluated through Comfort Scale
|
through each trial completion, an average of 20 minutes
|
Hemodynamic parameters, Heart Rate (HR)
Time Frame: athrough each trial completion, an average of 20 minutes
|
Heart Rate (HR)
|
athrough each trial completion, an average of 20 minutes
|
Blood Pressure (BP)
Time Frame: through each trial completion, an average of 20 minutes
|
invasive Mean arterial Blood Pressure
|
through each trial completion, an average of 20 minutes
|
Collaborators and Investigators
Publications and helpful links
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
- CE 22/19
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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