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CTRI Number  CTRI/2024/03/063699 [Registered on: 06/03/2024] Trial Registered Prospectively
Last Modified On: 07/05/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Single Arm Study 
Public Title of Study   Usage of ultrasonographic airway parameters in predicting difficult mask ventilation in patients undergoing general anesthesia 
Scientific Title of Study   UTILITY OF ULTRASONOGRAPHIC AIRWAY PARAMETERS IN PREDICTING DIFFICULT MASK VENTILATION A PROSPECTIVE OBSERVATIONAL STUDY 
Trial Acronym  nill 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Ganeshamoorthy B 
Designation  postgraduate 
Affiliation  sri ramachandra institute of higher education and research 
Address  A6, Department of Anesthesiology sri ramachandra institute of higher education and research, Ramachandra Nagar, Porur, Chennai 600116

Chennai
TAMIL NADU
600116
India 
Phone  9092129443  
Fax    
Email  drganeshamoorthybaskar@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Soma Ganesh Raja 
Designation  Associate Professor 
Affiliation  sri ramachandra institute of higher education and research 
Address  A6, Department of Anesthesiology sri ramachandra institute of higher education and research, Ramachandra Nagar, Porur, Chennai 600116

Chennai
TAMIL NADU
600116
India 
Phone  9894162665  
Fax    
Email  drsoms@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Soma Ganesh Raja 
Designation  Associate Professor 
Affiliation  sri ramachandra institute of higher education and research 
Address  A6, Department of Anesthesiology sri ramachandra institute of higher education and research, Ramachandra Nagar, Porur, Chennai 600116

Chennai
TAMIL NADU
600116
India 
Phone  9894162665  
Fax    
Email  drsoms@gmail.com  
 
Source of Monetary or Material Support  
Sri Ramachandra institute of higher education and research 
 
Primary Sponsor  
Name  Dr Ganeshamoorthy B 
Address  A6, Department of Anaesthesiology and Pain Medicine Sri Ramachandra institute of higher education and research, Porur , Chennai 600116 
Type of Sponsor  Other [Self Funding] 
 
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 Ganeshamoorthy B  Sri Ramachandra institute of higher education and research  Room no A6, 6th floor , Department of Anaesthesiology and Pain Medicine Sri Ramachandra institute of higher education and research, Porur, Chennai 600116
Chennai
TAMIL NADU 
9092129443

drganeshamoorthybaskar@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Sri Ramachandra institute of higher education and research, Porur, Chennai 600116  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  nill  nill 
Comparator Agent  nill  nill 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Requiring elective surgery under general Anesthesia Requiring mask ventilation 
 
ExclusionCriteria 
Details  Expected difficult Laryngoscopy
Indication to Awake Fiberoptic intubation
Facial abnormality
Previous wound or oro maxillofacial Surgeries
Parturient
Need for Rapid Sequence induction
Patient Refusal
Inability to give consent for study 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess the predictive validity of upper airway ultrasound measurements (DLA,
LPT, TT) in predicting difficult mask ventilation among adults during general anaesthesia 
Baseline 
 
Secondary Outcome  
Outcome  TimePoints 
To compare the differences in predictive validity between the pre & post induction
ultrasonographic measurements (DLA, LPT, TT) in predicting difficult mask ventilation
among adults during general anaesthesia 
Baseline 
 
Target Sample Size   Total Sample Size="264"
Sample Size from India="264" 
Final Enrollment numbers achieved (Total)= "264"
Final Enrollment numbers achieved (India)="264" 
Phase of Trial   N/A 
Date of First Enrollment (India)   15/03/2024 
Date of Study Completion (India) 07/05/2024 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
Not Applicable 
Recruitment Status of Trial (India)  Completed 
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  
Unanticipated difficult airway is a potentially life-threatening event during elective or emergency surgery. Airway assessment using point of care ultrasound has recently been proposed as a useful, simple, and non-invasive bedside method as an adjunct to clinical evaluation which can detect morphologic changes in upper airway. Our study aims to evaluate the changes of upper airway after anaesthesia induction and using pre-anaesthetic ultrasound measurements of distance between lingual arteries (DLA), Tongue thickness (TT), Lateral pharyngeal wall thickness (LPT) in predicting difficult mask ventilation.
 
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