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CTRI Number  CTRI/2022/03/040965 [Registered on: 10/03/2022] Trial Registered Prospectively
Last Modified On: 05/03/2022
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Chest muscle function in patients during removal from ventilator in ICU 
Scientific Title of Study   Determination of parasternal intercostal muscle activity in critically ill patients with various weaning patterns and its association with weaning-induced pulmonary oedema (WIPO) 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Souvik Chaudhuri 
Designation  Associate Professor  
Affiliation  Kasturba Medical College, Manipal, Manipal Academy of Higher Education 
Address  Department of Critical Care, Kasturba Medical College, Madhav Nagar, Manipal, Karnataka

Udupi
KARNATAKA
576104
India 
Phone  9937178620  
Fax    
Email  souvik.chaudhuri@manipal.edu  
 
Details of Contact Person
Scientific Query
 
Name  Souvik Chaudhuri 
Designation  Associate Professor  
Affiliation  Kasturba Medical College, Manipal, Manipal Academy of Higher Education 
Address  Department of Critical Care, Kasturba Medical College, Madhav Nagar, Manipal, Karnataka

Udupi
KARNATAKA
576104
India 
Phone  9937178620  
Fax    
Email  souvik.chaudhuri@manipal.edu  
 
Details of Contact Person
Public Query
 
Name  Souvik Chaudhuri 
Designation  Associate Professor  
Affiliation  Kasturba Medical College, Manipal, Manipal Academy of Higher Education 
Address  Department of Critical Care, Kasturba Medical College, Madhav Nagar, Manipal, Karnataka

Udupi
KARNATAKA
576104
India 
Phone  9937178620  
Fax    
Email  souvik.chaudhuri@manipal.edu  
 
Source of Monetary or Material Support  
Kasturba Medical College and Kasturba Hospital, Manipal 
 
Primary Sponsor  
Name  Souvik Chaudhuri 
Address  Department of Critical Care, Kasturba Medical College, Madhav Nagar, Manipal, Karnataka 
Type of Sponsor  Other [Other (Self)] 
 
Details of Secondary Sponsor  
Name  Address 
NIL  NIL 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Souvik Chaudhuri  Kasturba Medical College and Kasturba Hospital, Manipal  Department of Critical Care, First floor, Trauma and Emergency Block
Udupi
KARNATAKA 
9937178620

souvik.chaudhuri@manipal.edu 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Kasturba Medical College and Kasturba Hospital Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: J962||Acute and chronic respiratory failure,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  Patients who were mechanically ventilated in ICU
and meet the following criteria will be put on SBT for weaning will be included.
Following will be the criteria to consider for weaning in the ICU which is used by any
intensivist at our institute:
1. Fraction of inspired oxygen (FiO2 < 0.5)
2. Positive end expiratory pressure (PEEP) ≤ 5cmH2O
3. Partial pressure of oxygen in arterial blood (PaO2)/FiO2 > 150 mmHg
4. Respiratory rate < 35/minute
5. Tidal volume >5mL /kg,
6. Minute ventilation < 10L/min
7. No abnormality in electrolyte parameters, absence of hemodynamic instability, resolution
of the initial cause of ventilator requirement and patients awake with the ability to cough. 
 
ExclusionCriteria 
Details  1. Patients with chest wall abnormalities,
2. Distorted chest wall anatomy,
3. Patients with any known neuromuscular weakness, 4. Patients with any known diaphragmatic disorders
5. Pregnant patients,
6. Patients with known cardiac dysfunction on initial ECHO during hospital admission
7. Any patient in whom the SBT is aborted even before 30 minutes duration as deemed by the intensivist will be excluded. 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Successful weaning from ventilator  48 hours after removal of ventilator 
 
Secondary Outcome  
Outcome  TimePoints 
Survival of ICU stay  28 days from day of admission to ICU 
 
Target Sample Size   Total Sample Size="145"
Sample Size from India="145" 
Final Enrollment numbers achieved (Total)= "Applicable only for Completed/Terminated trials"
Final Enrollment numbers achieved (India)="Applicable only for Completed/Terminated trials" 
Phase of Trial   N/A 
Date of First Enrollment (India)   25/03/2022 
Date of Study Completion (India) Applicable only for Completed/Terminated trials 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Applicable only for Completed/Terminated trials 
Estimated Duration of Trial   Years="2"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   Nil 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Response - NO
Brief Summary   Mechanically ventilated patients who are fitting the inclusion and exclusion criteria will be included for this study. The duration of spontaneous breathing trial (SBT) will be 120 minutes as per the protocol at our institute. Just before initiation of SBT, the patient will be evaluated by bedside ultrasound for the lung ultrasound score for presence of pulmonary oedema, cardiac function ( systolic and diastolic function). Patients who tolerate at least 30 minutes of SBT will be evaluated for lung ultrasound for evidence of weaning induced pulmonary oedema (WIPO), bedside echocardiography (systolic and diastolic dysfunction) and parasternal muscle thickening and parasternal muscle thickening fraction. Diaphragmatic excursion and diaphragmatic thickening fraction will also be noted.
At the end of 120 minutes of SBT, whether or not the patients are getting successfully off ventilator support as per the treating intensivist, will be noted.
The patients who fail even 30 minutes of SBT, the following parameters will be noted after the patient is put back on previous ventilatory support as per the treating intensivist- lung ultrasound for evidence of pulmonary oedema, systolic and diastolic function as per echocardiography. The patients who fail SBT for the first time, will be followed for the subsequent 3 SBT for the same parameters as outlined above for the first SBT. The number of SBT required for successful weaning from ventilator will be noted.
Patients who are removed from ventilator after SBT success at 120 minutes will be followed for next 48 hours to see if they require invasive ventilator support/ intubation again. 
Outcome of the ICU stay at 28 days will be noted - survival or mortality.
 
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