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CTRI Number  CTRI/2026/02/103671 [Registered on: 12/02/2026] Trial Registered Prospectively
Last Modified On: 11/02/2026
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison of two video-guided techniques for nasal breathing tube placement in patients undergoing jaw and facial surgery, assessing first-atempt success. 
Scientific Title of Study   Comparison of the use of Video Laryngoscope vs Video Laryngoscope aided with Flexible scope as an intubation aid for nasotracheal intubation in patients undergoing maxillofacial surgery- A Randomized Controlled Trial 
Trial Acronym  NIL 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Anwesha Deori 
Designation  Junior Resident 
Affiliation  Jawaharlal institute of postgraduate medical education and research 
Address  Department of Anesthesiology and critical care,2nd floor institute
block, JIPMER campus, Pondicherry
Pondicherry
PONDICHERRY
605006
India 
Phone  9613121556  
Fax    
Email  anwesha.deori@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Srinivasan S 
Designation  Additional professor 
Affiliation  Jawaharlal institute of postgraduate medical education and research 
Address  Department of Anesthesiology and critical care,2nd floor institute
block, JIPMER campus, Pondicherry
Pondicherry
PONDICHERRY
605006
India 
Phone  96226493045  
Fax    
Email  srinianaes@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Srinivasan S 
Designation  Additional professor 
Affiliation  Jawaharlal institute of postgraduate medical education and research 
Address  Department of Anesthesiology and critical care,2nd floor institute
block, JIPMER campus, Pondicherry
Pondicherry
PONDICHERRY
605006
India 
Phone  96226493045  
Fax    
Email  srinianaes@yahoo.co.in  
 
Source of Monetary or Material Support  
Intramural Research Fund Jawaharlal Institute of Postgraduate Medical Education and Research, Gorimedu, Dhanvanthri Nagar, Puducherry, PIN- 605006, India 
 
Primary Sponsor  
Name  Jawaharlal Institute of Postgraduate Medical Education and Research 
Address  JIPMER campus road, Gorimedu, Dhanvantari Nagar, Puducherry- 605006, India 
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 
Anwesha Deori  Jawaharlal institute of post graduate medical education and research  Department of Anesthesiology and critical care,2nd floor institute block, JIPMER campus, Pondicherry
Pondicherry
PONDICHERRY 
09613121556

anwesha.deori@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTEE- INTERVENTIONAL STUDIES JIPMER, PUDUCHERRY  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: S024||Fracture of malar, maxillary and zygoma bones, (2) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Video laryngoscope combined with flexible scope intubation  Nasotracheal intubation will be attempted under guidance of video laryngoscope combined with flexible scope. After induction of general anesthesia patients will be ventilated with bag and mask using one hundred percent oxygen for three minutes. A vasoconstrictor and a local anesthetic agent will be applied to the nostril before intubation. The ambuscope preloaded with the endotracheal tube will be inserted through the selected nostril under video laryngoscope guidance to obtain a clear view of the vocal cords. The flexible scope will be guided into the trachea and then the tracheal tube will be advanced. Successful intubation will be confirmed by appearance of end tidal carbon dioxide. The duration of the intervention will be defined as the time from insertion of the video laryngoscope into the oral cavity until confirmation of successful endotracheal intubation by appearance of end-tidal carbon dioxide. A failed attempt will be defined as inability to intubate the patient with fall of O2 saturation below 90%. 
Comparator Agent  Video laryngoscope intubation only  Nasotracheal intubation will be performed using only video laryngoscope. After induction of general anesthesia patients will be ventilated with bag and mask using one hundred percent oxygen for three minutes. The endotracheal tube will be inserted through the selected nostril and nasotracheal intubation will be attempted under video laryngoscopic guidance. Magill forceps will be used if required to guide the tube towards the glottis. Successful intubation will be confirmed by appearance of end tidal carbon dioxide. The duration of the intervention will be defined as the time from insertion of the video laryngoscope into the oral cavity until confirmation of successful endotracheal intubation by appearance of end-tidal carbon dioxide. A failed attempt will be defined as inability to intubate the patient with fall of O2 saturation below 90%. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1. Patients scheduled for maxillofacial
surgeries requiring general anaesthesia with nasotracheal intubation
2. Adult patients aged 18 to 60 years undergoing nasotracheal intubation for
maxillofacial surgery
3. American Society of Anaesthesiologists (ASA) status 1, 2 or 3
 
 
ExclusionCriteria 
Details  1.Patients with restricted mouth opening
2.Patients planned for awake fibreoptic intubation.
3.Patients having any contraindications to
nasotracheal intubation-
Suspected epiglottitis
Midface instability
•Coagulopathy
•Suspected basilar skull fracture
 
 
Method of Generating Random Sequence   Stratified block randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Open Label 
Primary Outcome  
Outcome  TimePoints 
To compare the success rate of first attempt of
nasotracheal intubation between ‘VL-FS Group’ and ‘VL-Only Group’

VL-FS Group- Video laryngoscope combined with Flexible scope intubation

VL-Only Group- Video laryngoscope intubation only
 
First, baseline vitals will be recorded for the patient after shifting to OT.
Second after first attempt successful intubation— measured from insertion of device till confirmation by capnography.
Third, if first attempt failed and more attempts were required and if there was any change in technique.
All assessments will be done intra-operative. 
 
Secondary Outcome  
Outcome  TimePoints 
1.To compare the number of attempts for successful nasotracheal intubation between VL-FS group & VL-Only group.
2.To compare the time to successful intubation which is time taken from passing blade to cuff inflation of endotracheal tube between VL-FS group & VL-Only group.
3.To compare the ease of intubation between VL-FS group & VL-Only group.
 
All secondary outcomes will be assessed intraoperatively during the intubation procedure immediately after induction of anesthesia.
 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
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)   25/02/2026 
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   This randomized controlled trial aims to compare the effectiveness of video laryngoscope assisted with flexible scope versus video laryngoscope alone for nasotracheal intubation in adult patients undergoing maxillofacial surgery under general anaesthesia. Sixty patients will be randomly allocated into two groups. The VL-FS group will undergo nasotracheal intubation using a video laryngoscope combined with a flexible scope, and the VL-Only group will undergo intubation using a video laryngoscope alone. The primary outcome will be the time to successful intubation. Secondary outcomes will include first attempt success rate, number of attempts, ease of intubation and incidence of airway related complications. The study aims to determine whether the addition of a flexible scope improves intubation performance and safety during nasotracheal intubation. 
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