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CTRI Number  CTRI/2018/02/011745 [Registered on: 07/02/2018] Trial Registered Retrospectively
Last Modified On: 02/07/2022
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Observational Randomised Comparative Study 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Comparison of windpipe characteristics by ultrasound versus conventional measurements of neck, to predict ease of putting tube in windpipe for ventilator purpose. 
Scientific Title of Study   Prediction of difficult intubation by airway assessment using ultrasound v/s conventional bed side screening tests: A prospective observational randomized comparative study 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Rumit Sood 
Designation  DNB Anaesthesia resident 
Affiliation  Fortis hospital Mohali 
Address  Fortis Hospital Phase-8 sector-62 Mohali Punjab
Fortis Hospital Phase-8 sector-62 Mohali Punjab
Chandigarh
CHANDIGARH
160062
India 
Phone  7526838508  
Fax  7526838508  
Email  rumitsood.111@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DrAmit Kumar 
Designation  senior consultant (Anaesthesia) 
Affiliation  Fortis hospital Mohali 
Address  Fortis hospital phase -8 sec- 62 Mohali
202 C Sec-24 A Chandigarh
Chandigarh
CHANDIGARH
160062
India 
Phone  9815607478  
Fax    
Email  dramitnagpal@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Student Rumit Sood Guide Dr Amit Kumar 
Designation  DNB Anaesthesia resident  
Affiliation  Fortis hospital Mohali 
Address  Fortis hospital Phase 8 sec 62 Mohali
202 C SEC-24 A Chandigarh
Chandigarh
CHANDIGARH
160062
India 
Phone  7526838508  
Fax    
Email  rumitsood.111@gmail.com  
 
Source of Monetary or Material Support  
Fortis Hopital Mohali Punjab 
 
Primary Sponsor  
Name  Fortis Hospital  
Address  Phase 8 sec - 62 Mohali Punjab 
Type of Sponsor  Private hospital/clinic 
 
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 
Rumit Sood  Fortis Hospital   Anaesthesia department Multispeciality OT Phase 8 sec - 62 Mohali Punjab
Chandigarh
CHANDIGARH 
7526838508

rumitsood.111@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
fortis hospital mohali  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied
Modification(s)  
Health Type  Condition 
Patients  1.Patients undergoing elective surgery under general anaesthesia requiring Endotracheal intubation 2.Patients of either sex in the age group of 18 – 65 years. 3.ASA grades I or II. , (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1.Patients undergoing elective surgery under general
anaesthesia requiring Endotracheal intubation
2.Patients of either sex in the age group of 18 – 65 years.
3.ASA grades I or II.
 
 
ExclusionCriteria 
Details  1.Emergency surgeries.
2.ASA grades III-VI
3.Pregnant patients.
4.Patients with known abnormalities or obvious malformations of the airway with head and neck trauma.
5.Cervical spine pathology or patients scheduled for fibre-optic intubation.
6.Uncooperative or altered sensorium patients.
7.Age <18 years and >65 years
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
•Comparison of conventional bedside screening tests and Ultrasound parameters for predicting difficult intubation.  Preoperative one time assessment 
 
Secondary Outcome  
Outcome  TimePoints 
nil  nil 
 
Target Sample Size   Total Sample Size="400"
Sample Size from India="400" 
Final Enrollment numbers achieved (Total)= "0"
Final Enrollment numbers achieved (India)="400" 
Phase of Trial   N/A 
Date of First Enrollment (India)   05/06/2017 
Date of Study Completion (India) 01/02/2021 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="5"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details
Modification(s)  
not yet 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   pre anesthetic evaluation of the airway will be done prior to the surgery. patient airway will be assessed by the conventional factors in grp 1 and by ultrasound in grp 2.
following bed side screening test used for airway assessment in grp 1 :
1. modified mallampati score 
2.neck circumference.
3.Thyromental distance.
Following ultrasoun parameters used in group 2 :
1. tongue base thickness.
2.anterior neck soft tissue at the level of hyoid bone.
3.anterior neck soft tissue at the level of epiglottis.
4.anterior neck soft tissue at the level of vocal cords.
 after Airway assessment, patient is induced with fentanyl 2-3mcg/kg and propofol 2mg/kg and Rocuronium 0.6mg/kg.
Direct laryngoscopy performed by senior anesthetist who will be blinded to the pre operative airway assessment  and Cormack lehane grade noted.
After intubation patient is attached to the ventilator and anesthesia is maintained by inhalational agent and fresh gas flow of 2l/min.
 
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