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CTRI Number  CTRI/2025/06/088563 [Registered on: 10/06/2025] Trial Registered Prospectively
Last Modified On: 02/06/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   a clinical study for predicting post extubation stridor in neurosurgical patients using ultrasonographic parameters 
Scientific Title of Study   Efficacy Of Sonographic Measurement Of Laryngeal Air Column Width And Laryngeal Air Column Difference For Predicting Post Extubation Stridor in neurosurgical patients. 
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 Smita V 
Designation  Professor 
Affiliation  SREECHITHRA THIRUNAL INSTITUTE OF MEDICAL SCIENCES AND TECHNOLOGY 
Address  division of neuroanaesthesia, department of anaesthesiology C block sctimst

Thiruvananthapuram
KERALA
695011
India 
Phone  9447699245  
Fax    
Email  smita_vimala@sctimst.ac.in  
 
Details of Contact Person
Scientific Query
 
Name  Harsha Suresh P 
Designation  senior resident 
Affiliation  SREECHITHRA THIRUNAL INSTITUTE OF MEDICAL SCIENCES AND TECHNOLOGY 
Address  division of neuroanaesthesia, department of anaesthesiology C block sctimst

Thiruvananthapuram
KERALA
695011
India 
Phone  09447773095  
Fax    
Email  hsp666@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Smita V 
Designation  Professor 
Affiliation  SREECHITHRA THIRUNAL INSTITUTE OF MEDICAL SCIENCES AND TECHNOLOGY 
Address  division of neuroanaesthesia, department of anaesthesiology C block sctimst

Thiruvananthapuram
KERALA
695011
India 
Phone  9447699245  
Fax    
Email  smita_vimala@sctimst.ac.in  
 
Source of Monetary or Material Support  
sreechitra institute of medical sciences and technology,thiruvananthappuram,kerala,India-690511 
 
Primary Sponsor  
Name  academic division  
Address  sreechitra institute of medical sciences,thiruvanathappuram,kerala,india-695011 
Type of Sponsor  Research institution and hospital 
 
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 smita V  SCTIMST  DIVISION OF NEUROANAESTHESIA DEPARTMENT OF ANAESTHESIOLOGY SCTIMST
Thiruvananthapuram
KERALA 
9447699245

smita_vimala@sctimst.ac.in 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
INSTITUTIONAL ETHICS COMMITTE ,SCTIMST,THIRUVANATHAPPURAM  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: C729||Malignant neoplasm of central nervous system, unspecified,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients admitted and undergoing neurosurgical procedures at Sree Chitra Tirunal Institute for Medical Sciences and Technology 
 
ExclusionCriteria 
Details  1.Patient refusal or refusal by patient bystanders
2. Patients with a history of any airway related
surgeries
3.Patient with history of previous tracheostomy
4. Patients that will undergo elective tracheostomy
5. Patients undergoing emergency surgeries
6. Pregnant and lactating mothers 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Stridor  Within 1st 24 hour of postoperative period 
 
Secondary Outcome  
Outcome  TimePoints 
TO FIND OUT THE RISK FACTORS FOR POSTEXTUBATION STRIDOR IN NEUROSURGICAL CASES  24HOURS POST EXTUBATION 
 
Target Sample Size   Total Sample Size="257"
Sample Size from India="257" 
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)   26/06/2025 
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="6"
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   Post extubation stridor is a respiratory complication after removal of endotracheal tube.Ultrasound measured laryngeal air column width difference has emerged as non invasive technique with promising results in predicting  post extubation stridor.Planing to conduct an observational study on efficacy of sonograghic measurement of laryngeal aircolumn width and laryngeal air column difference for predicting post extubation stridor in neurosurgical patients as unique risk factors for post extubation stridor due to lower cranial handling,pinning of head and positioning is there in neurosurgical patients. 
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