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CTRI Number  CTRI/2024/12/077684 [Registered on: 05/12/2024] Trial Registered Prospectively
Last Modified On: 17/01/2026
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Prospective Observational Study 
Study Design  Other 
Public Title of Study   Assessment of difficult intubation prior to surgery and giving difficulty score during endotracheal intubation 
Scientific Title of Study   USE OF VIDEOLARYNGOSCOPY AND VIDIAC (VIDEOLARYNGOSCOPIC INTUBATION AND DIFFICULT AIRWAY CLASSIFICATION) SCORE FOR PREDICTING VIDEOLARYNGOSCOPE ASSISTED DIFFICULT INTUBATION IN PATIENTS - A PROSPECTIVE OBSERVATIONAL STUDY 
Trial Acronym  Nil 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Thota Sridhar 
Designation  Post Graduate Resident 
Affiliation  Command Hospital(EC), kolkata 
Address  OT complex, 2nd floor,Command Hospital(Eastern command), New Alipore, Kolkata

Kolkata
WEST BENGAL
700023
India 
Phone  09701566391  
Fax    
Email  thota.sridhar20@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Deepak Dwivedi 
Designation  Professor in Anaesthesiology and Critical care 
Affiliation  Command Hospital(EC),kolkata 
Address  OT complex 2nd floor, Command Hospital(Eastern Command), New Alipore, Kolkata

Kolkata
WEST BENGAL
700027
India 
Phone  8195915566  
Fax    
Email  deepakdwivedi739@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Deepak Dwivedi 
Designation  Professor in Anaesthesiology and Critical care 
Affiliation  Command Hospital(EC),kolkata 
Address  Command Hospital(Eastern Command), New Alipore, Kolkata

Kolkata
WEST BENGAL
700027
India 
Phone  8195915566  
Fax    
Email  deepakdwivedi739@gmail.com  
 
Source of Monetary or Material Support  
dept of Anesthesiology and critical care,Command Hospital(EC),New Alipore, Kolkata, West Bengal, India, Pin 700027 
 
Primary Sponsor  
Name  self 
Address  Dept of Anesthesiology, 2nd floor, OT complex, Command hospital,New alipore, Kolkata, West Bengal,700027 
Type of Sponsor  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 
Thota Sridhar  Command Hospital(EC)   Dept of Anaesthesiology, 2nd floor, Operation Theatre complex
Kolkata
WEST BENGAL 
9701566391

thota.sridhar20@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, Command hospital. kolkata  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: U072||COVID 19 virus not identified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  nil  nil 
Intervention  nil  nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  90.00 Year(s)
Gender  Both 
Details  ASA status 1 to 3
SARI score more than or equal to 4 
 
ExclusionCriteria 
Details  Pregnant women
Patients in whom awake intubation is planned
SARI score less than 4 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To correlate VIDIAC score attained during videolaryngoscopy with cormack lehane grade in detecting difficult intubations  Baseline 4 weeks and 16 weeks 
 
Secondary Outcome  
Outcome  TimePoints 
To compare VIDIAC score with Simplified Airway Risk Index score(SARI score)  Baseline, 8 weeks & 16 weeks 
 
Target Sample Size   Total Sample Size="96"
Sample Size from India="96" 
Final Enrollment numbers achieved (Total)= "100"
Final Enrollment numbers achieved (India)="100" 
Phase of Trial   N/A 
Date of First Enrollment (India)   16/12/2024 
Date of Study Completion (India) 03/08/2025 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="6"
Days="0" 
Recruitment Status of Trial (Global)   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
Modification(s)  

Effective airway management is the cornerstone of perioperative patient safety. Difficult airway remains a common challenge for Anesthesiologists, Intensivists, Emergency physicians and Otolaryngologists. Treating patients with difficult airway following an airway management algorithm helps to reduce the incidence of airway-related complications. Anesthesiologists as well as a range of professionals should develop appropriate strategies according to their own experience, patient status, type of surgery and available airway devices to achieve reliable preoperative evaluation and effective intraoperative monitoring to maximize the degree of patient safety. This study is planned to evaluate the patient’s airway for assessing the difficulty associated with the intubation using videolaryngoscopy and establishing a VIDIAC score for labelling the cases of  difficult intubation and hence enabling the concerned clinicians to have proper strategy during procedures in future in order to avoid complications and minimize morbidity..

 
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