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CTRI Number  CTRI/2018/05/014284 [Registered on: 31/05/2018] Trial Registered Retrospectively
Last Modified On: 19/04/2020
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Medical Device
Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   A comparative study in patients with thyroid neck swelling for placing a tube in trachea using two devices that are Macintosh laryngoscope and Airtraq video laryngoscope 
Scientific Title of Study   A comparative study between the Macintosh laryngoscope and Airtraq video laryngoscope in thyroid swellings for endotracheal intubation 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Pratibha singh 
Designation  junior resident 
Affiliation  King george medical university, Lucknow 
Address  department of Anaesthesiology, king georges medical university, chowk, Lucknow
room no 503B, gautam buddha hostel, king georges medical university, chowk
Lucknow
UTTAR PRADESH
226003
India 
Phone  7376101150  
Fax    
Email  pratibha608@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Anita Malik 
Designation  professor 
Affiliation  King george medical university, Lucknow 
Address  Department of Anaesthesiology, KGMU, Lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  9936425729  
Fax    
Email  dranitamalik@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Pratibha singh 
Designation  junior resident 
Affiliation  King george medical university, Lucknow 
Address  department of Anaesthesiology, king george medical university, chowk, Lucknow

Lucknow
UTTAR PRADESH
226003
India 
Phone  7376101150  
Fax    
Email  pratibha608@gmail.com  
 
Source of Monetary or Material Support  
department of anaesthesiology, King george medical university, Lucknow 
 
Primary Sponsor  
Name  Pratibha singh 
Address  Department 0f Anaesthesiology, KGMU Lucknow 
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 
Pratibha singh  King george medical university  department of anaesthesiology, King george medical university
Lucknow
UTTAR PRADESH 
7376101150

pratibha608@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee, King george medical university  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Thyroid swelling,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Airtraq video laryngoscope for endotracheal intubation   new intubation device for tracheal intubation in patients with normal or difficult intubation. exaggerated curvature of blade and internal arrangement of optical components view of the glottis is provided without alignment of oral, pharyngeal and tracheal axes 
Comparator Agent  Macintosh laryngoscope for endotracheal intubation  conventional laryngoscope described in 1943 by Macintosh curved laryngoscope blade 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  ASA grade 1 or 2
Mallampatti score 1 or 2 
 
ExclusionCriteria 
Details  patient not giving informed consent
history of previous neck surgery
history of difficult intubation in any previous surgey
interincisor distance less than 3cm
ASA grade > 2
MPG score 3 or 4 
 
Method of Generating Random Sequence   Random Number Table 
Method of Concealment   Alternation 
Blinding/Masking   Participant Blinded 
Primary Outcome  
Outcome  TimePoints 
time taken in successful intubation  in seconds 
 
Secondary Outcome  
Outcome  TimePoints 
ease of intubation  by intubation difficulty score 
percentage of glottic opening  POGO score 
modified Cormack and Lehane grading  1-4 
change in vitals  heart rate (in beats/min), BP(in mm of Hg) and SpO2(in %) 
post operative upper airway symptoms  throat pain and hoarseness of voice 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
Final Enrollment numbers achieved (Total)= "40"
Final Enrollment numbers achieved (India)="40" 
Phase of Trial   N/A 
Date of First Enrollment (India)   01/09/2017 
Date of Study Completion (India) 30/06/2018 
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
Modification(s)  
none yet 
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary   According to Americal Society of Anaesthesiologists (ASA), difficult airway is the clinical situation in which a conventionally trained anaesthesiologist experiences difficulty with mask ventillation, difficulty with tracheal intubation, or both.
ASA defines difficult endotracheal intubation as proper insertion of the tracheal tube with conventional laryngoscopy requires more than three attempts or more than 10 minutes.
Operating room cases involving the removal of goiters falls within the difficult airway classificaton. Goiters often involve a number of anatomical locations and results in many implications to the airway and vascular structures. This can lead to upper and lowerairway obstruction, laryngeal malacia, lymphatic and vascular congestion causing edemathat will further compromise the patient’s airway.
Keeping in view the difficult airway due to enlarged thyroid swelling, the present study is being done as comparative study between Macintosh laryngoscope and Airtraq video laryngocscope for thyroid swelling has not been done so far.
patients will be divided randomly into two groups. preoperatively proper airway assessment and complete systemic examination will be done. written and explained consent will be taken. patients in both groups will be given Fentanyl at 2mcg/kg body weight before induction and will be induced with Propofol at 2mg/kg body weight. after checking for bag and mask ventillation succinylcholine will be given at 2mg/kg body weight. after 1 min of ventillation patient will be intubated with any of the two mentioned methods with an armoured endotracheal tube of appropriate size. then the assessment will be made regarding:
1) time of successful intubation
2) ease of intubation
3) percentage of glottic opening
4) modified Cormack and Lehane grading
5)  change in vitals
6) post operative upper airway symptoms
 
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