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CTRI Number  CTRI/2025/02/081074 [Registered on: 21/02/2025] Trial Registered Prospectively
Last Modified On: 20/02/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   A clinical study comparing Kingvision video laryngoscope, Airtraq video laryngoscope and Macintosh laryngoscope for orotracheal intubation in adult patients posted for elective surgeries under general anesthesia to observe the ease of intubation based IDS score 
Scientific Title of Study   A COMPARATIVE RANDOMIZED CONTROLLED STUDY OF KINGVISION VIDEO LARYNGOSCOPE, AIRTRAQ VIDEO LARYNGOSCOPE AND MACINTOSH LARYNGOSCOPE 
Trial Acronym  NIl 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Kethireddy koushik 
Designation  postgraduate 
Affiliation  Government Medical College, Kadapa 
Address  Room no: 200, Department of Anaesthesiology, Government medical college, putlampalli, kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  09676122878  
Fax    
Email  kousikmbbs489@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  S.Raghavendra prasad 
Designation  Associate professor 
Affiliation  Government Medical College, Kadapa 
Address  Room no: 200, Department of Anaesthesiology, Government medical college, putlampalli, kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  09676122878  
Fax    
Email  saya_knl@yahoo.com  
 
Details of Contact Person
Public Query
 
Name  Kethireddy koushik 
Designation  postgraduate 
Affiliation  Government Medical College, Kadapa 
Address  Room no: 200, Department of Anaesthesiology, Government medical college, putlampalli, kadapa

Cuddapah
ANDHRA PRADESH
516002
India 
Phone  09676122878  
Fax    
Email  kousikmbbs489@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, Government medical college, putlampalli, kadapa - 516002 
 
Primary Sponsor  
Name  K Koushik 
Address  Postgraduate Department of Anaesthesiology GMC, kadapa 
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 
Kethireddy Koushik  Government Medical College  Room no: 200, Department of Anaesthesiology, Government medical college, putlampalli, kadapa
Cuddapah
ANDHRA PRADESH 
09676122878

kousikmbbs489@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
institutional ethics comittee, government medical college, kadapa  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: X||New Technology,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Airtraq video laryngoscope  Ease of orotracheal intubation observed using IDS score 
Comparator Agent  Kingvision video laryngoscope   Ease of orotracheal intubation observed using IDS score 
Comparator Agent  Macintosh laryngoscope  Ease of orotracheal intubation observed using IDS score 
Intervention  Orotracheal intubation   In adult patients scheduled for elective surgeries under general anaesthesia 
 
Inclusion Criteria  
Age From  20.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  ASA physical status I and II
MPG Grade I and II
BMI less than 25 kg/sq.m
Patients posted for elective surgeries under GA 
 
ExclusionCriteria 
Details  Patients with cervical spine injury
Patients with anticipated difficult intubation 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Ease of Intubation using IDS score  From insertion of laryngoscope beyond incisor teeth until successful intubation confirmed on capnography 
 
Secondary Outcome  
Outcome  TimePoints 
Duration of Intubation  From insertion of Laryngoscope beyond incisor teeth until successful intubation confirmed on capnography 
POGO score  During Intubation 
Hemodynamics  1 3 & 5 minutes after Intubation 
Airway trauma  During Intubation 
 
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)   03/03/2025 
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="0"
Days="0" 
Recruitment Status of Trial (Global)   Completed 
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  

A study titled "A comparative randomized controlled study of Kingvision video laryngoscope, Airtraq video laryngoscope and Macintosh laryngoscope for orotracheal intubation in adult patients scheduled for elective surgeries under general anaesthesia" was carried out in GGH, KADAPA during the period from January 2023 to December 2023.

Parameters such as ease of intubation based on Intubation difficulty score (IDS), duration of intubation, POGO score, changes in heart rate, mean arterial pressure, O2 saturation and incidence of airway trauma during laryngoscopy were noted.

In our study, MCLG and POGO score were better with Kingvision video laryngoscope and Airtraq video laryngoscope compared to Macintosh laryngoscope which was statistically significant. Number of attempts for intubation was comparable and was statistically insignificant. Alternative techniques for intubation like bougie insertion was needed for intubation in some patients with Macintosh laryngoscope.  Lifting force was more and laryngeal pressure  was applied in some patients intubated with Macintosh laryngoscope. IDS score was  better with Kingvision video laryngoscope and Airtraq video laryngoscope compared to Macintosh laryngoscope and was statistically significant. Time taken for intubation was lesser with Macintosh laryngoscope compared to Kingvision video laryngoscope and Airtraq video laryngoscope. Hemodynamic variability was lesser with Kingvision video laryngoscope and Airtraq video laryngoscope compared to Macintosh laryngoscope. Airway trauma was  observed in two patients intubated with Macintosh laryngoscope.

 
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