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CTRI Number  CTRI/2024/08/072557 [Registered on: 16/08/2024] Trial Registered Prospectively
Last Modified On: 13/08/2024
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   AIRWAY ASSESSMENT USING CLINICAL PARAMETERS AND ULTRASONOGRAPHIC PARAMETERS FOR PREDICTING DIFFICULT AIRWAY 
Scientific Title of Study   Evaluation of Accuracy of Ultrasound guided airway assessment and clinical parameters in prediction of difficult airway - A prospective analytical 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  Dr Amrutha D 
Designation  Postgraduate 
Affiliation  Sri Muthukumaran Medical College hospital and Research Institute 
Address  Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069

Kancheepuram
TAMIL NADU
600069
India 
Phone  7904660837  
Fax    
Email  damrutha1993@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  DR Navya C N 
Designation  Professor 
Affiliation  Sri Muthukumaran Medical College hospital and Research Institute 
Address  Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069

Kancheepuram
TAMIL NADU
600069
India 
Phone  9791793965  
Fax    
Email  drcn.navya@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Amrutha D 
Designation  Postgraduate 
Affiliation  Sri Muthukumaran Medical College hospital and Research Institute 
Address  Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069

Kancheepuram
TAMIL NADU
600069
India 
Phone  7904660837  
Fax    
Email  damrutha1993@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069 
 
Primary Sponsor  
Name  DR Amrutha D 
Address  Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069 
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 
Dr Amrutha D  Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069   Department of Anaesthesiology - 5th floor Sri Muthukumaran Medical College hospital and Research Institute Kancheepuram Tamilnadu 600069
Kancheepuram
TAMIL NADU 
7904660837

damrutha1993@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: Z04||Encounter for examination and observation for other reasons,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Comparator Agent  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  Adult patients 18- 65yrs requiring general anaesthesia with ET intubation for elective surgeries
All gender
Patients who have given valid informed consent
Upper lip bite test less than II
Interincisor gap more than 3 centimetres
Patients with adequate neck movements
 
 
ExclusionCriteria 
Details  Any patient planned for awake fiberoptic intubation
Edentulous patients/dentures.
Patients with facio maxillary trauma , facial anomalies
Patients with restricted neck movements, neck swellings
Obstetric patients
Emergency surgeries
Cervical spine injury/pathology
Rapid sequence intubation
H/O difficult airway in previous surgery  
 
Method of Generating Random Sequence   Other 
Method of Concealment   Other 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Airway assessment using clinical parameters and ultrasonographic parameters  Preoperatively in the pre assessment clinic on the day prior to surgery 
 
Secondary Outcome  
Outcome  TimePoints 
To find the prevalance of difficult intubation
To find difficult mask ventilation score & intubation difficulty scale during induction on the day of surgery 
Intraoperatively on the day of surgery during premedication & induction 
 
Target Sample Size   Total Sample Size="150"
Sample Size from India="150" 
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)   28/08/2024 
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)   Not Applicable 
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 study is a prospective analytical observational study for evaluating the accuracy of ultrasound guided airway assessment and clinical parameters in prediction of difficult airway. Routine clinical parameters like h/o snoring, MMPC, ULBT, TMD(CMS), NC (CMS), HMD(CMS),SMD(CMS) will be measured. ultrasonographic measurements like ANS - VC, STB + TT, SED, SHD will be measured. On the day of surgery, theatre will be kept ready. Patient will be connected to standard monitors.18G IV cannula will be secured. After preoxygenation and premedication , all the patients will be induced with inj.propofol – 2mg/kg, post check ventilation, inj.vecuronium -0.1mg/kg will be administered. Patient will be given sniffing position ,direct laryngoscopy will be performed using appropriate sized Macintosh blade and intubated  with endotracheal tube by the same Anaesthesiologist.

•        Difficult mask ventilation and intubation difficulty scale (IDS) will be noted by the investigator.

•        Anaesthesia will be maintained as per standard procedures. In case of unanticipated Cannot Ventilate / Cannot Intubate, difficult airway algorithm will be followed.

 With the help of the above collected data i.e, ultrasonographic airway assessment and clinical parameters ,the accuracy of the same and their validity in predicting the difficult airway will be assessed ,which may help for proper planning and management of safe securing of airway. 
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