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CTRI Number  CTRI/2025/07/091822 [Registered on: 28/07/2025] Trial Registered Prospectively
Last Modified On: 27/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Prediction of difficult laryngoscopy by USG quantification of anterior neck soft tissue and tongue thickness  
Scientific Title of Study   Prediction of difficult laryngoscopy by ultrasound quantification of anterior neck soft tissue and tongue thickness  
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Richa sisodiya  
Designation  Post graduate resident 
Affiliation  Gandhi medical College bhopal madhya pradesh  
Address  2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
Bhopal
MADHYA PRADESH
462001
India 
Phone  8770859115  
Fax    
Email  richasisodiya05@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Tripti vatsalya  
Designation  Associate professor  
Affiliation  Gandhi medical college bhopal madhya pradesh  
Address  2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
Bhopal
MADHYA PRADESH
462001
India 
Phone  9827012052  
Fax    
Email  vdrtripti@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Tripti vatsalya  
Designation  Associate professor  
Affiliation  Gandhi medical college bhopal madhya pradesh  
Address  2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH
Bhopal
MADHYA PRADESH
462001
India 
Phone  9827012052  
Fax    
Email  vdrtripti@gmail.com  
 
Source of Monetary or Material Support  
Gandhi medical College, bhopal 462001, INDIA  
 
Primary Sponsor  
Name  Gandhi medical College  
Address  2nd floor block-1 department of anaesthesiology Gandhi medical college and associated HamidiaHospital, BHOPAL, MADHYA PRADESH 
Type of Sponsor  Government medical college 
 
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 
Dr Richa sisodiya   Hamidia hospital   Second floor department of anaesthesiology hamidia hospital Gandhi medical college bhopal madhya pradesh
Bhopal
MADHYA PRADESH 
8770859115

richasisodiya05@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee   Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Prediction of difficult laryngoscopy byy USG quantification of anterior neck soft tissue and tongue thickness   Correlation of these ultrasound measurements with cormack lehane grading at the time of intubation  
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  years old patients of either sex scheduled for elective surgery requiring tracheal intubation under general anaesthesia, ASA grade l & ll 
 
ExclusionCriteria 
Details  Patients with tongue deformity
Patients with anterior neck deformity  
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Pre-numbered or coded identical Containers 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To evaluate, distance from skin to hyoid bone
Distance from skin to anterior commissure of vocal cord
Ultrasound guided measured tongue thickness  
Every 2 min from study till 10 min after laryngoscopy
 
 
Secondary Outcome  
Outcome  TimePoints 
No. Of intubation attempts
No. Of requirement of BURP
Cormack lehane grading  
Every 2 min from study till 10 min after laryngoscopy  
 
Target Sample Size   Total Sample Size="90"
Sample Size from India="90" 
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)   11/08/2025 
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="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   Not Yet Recruiting 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   N/A 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   To determine ultrasound measurement of anterior neck tissue and tongue thickness in prediction of difficult airway, to correlate these ultrasound measurement with cormack lehane grading at the time of intubation 
patients airway assessment is one of the foremost responsibility of the anesthesiologist .accurate assessment of airway can prevent catastrophic perioperative events like hypoxia, hypercapnia and cardiac events. Currently, laryngeal structures can be measured by ultrasonography, however, little research has been performed on the potential role of ultrasound on the evaluation of a difficult laryngoscopy.The present study will be conducted in Gandhi Medical College and associated Hamidia Hospital, Bhopal. in a total of 90 patients undergoing surgeries under general anaesthesia. After approval by institutional ethics committee and written informed consent, a total of 90 patients of either sex of ASA grade I and II aged between 20 - 60 years of either sex will be included in the prospective observational Study patients will be observed for :- 
1) Distance from skin to hyoid bone (DHSB).
2) Distance from skin to anterior commissure of vocal cord(DSAC).
3) Ultrasound guided measurement of Tongue thickness
4) Requirement of BURP & no. Of attempts of laryngoscopy
5) Cormack lehane grading.
6) Haemodynamic variables during intubation ( HR, BP, SBP, DBP and mean BP)
 
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