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CTRI Number  CTRI/2023/10/058551 [Registered on: 12/10/2023] Trial Registered Prospectively
Last Modified On: 11/10/2023
Post Graduate Thesis  No 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   measuring the diameter of a vein called the subclavian to predict a fall in blood pressure of a patient while undergoing general anaesthesia for surgeries 
Scientific Title of Study   Pre anaesthetic ultrasound assessment of subclavian vein collapsibility for predicting hypotension following induction under general anaesthesia  
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 Vridhi Rajan  
Designation  Senior resident  
Affiliation  Dr BR ambedkar medical college and hospital  
Address  Department of anaesthesia Dr BR ambedkar medical College and hospital,kadugondanahalli, Bengaluru 560045

Bangalore
KARNATAKA
560045
India 
Phone    
Fax    
Email  vridhir@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr SALIM IQBAL M 
Designation  professor 
Affiliation  Dr BR ambedkar medical college and hospital  
Address  Department of anaesthesia Dr BR ambedkar medical College and hospital,kadugondanahalli, Bengaluru 560045

Bangalore
KARNATAKA
560045
India 
Phone    
Fax    
Email  drsalim_iqbal@yahoo.co.in  
 
Details of Contact Person
Public Query
 
Name  Dr Vridhi Rajan  
Designation  Senior resident  
Affiliation  Dr BR ambedkar medical college and hospital  
Address  Department of anaesthesia Dr BR ambedkar medical College and hospital,kadugondanahalli, Bengaluru 560045


KARNATAKA
560045
India 
Phone    
Fax    
Email  vridhir@gmail.com  
 
Source of Monetary or Material Support  
Anaesthesiology department Dr BR Ambedkar medical college,kadugondanahalli, Bangalore,560045  
 
Primary Sponsor  
Name  Dr BR ambedkar medical college  
Address  Dr BR ambedkar medical college and hospital kadugondanahalli,bangalore 
Type of Sponsor  Private 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 
DR VRIDHI RAJAN  DR. B.R. AMBEDKAR MEDICAL COLLEGE AND HOSPITAL  Department of anaesthesia,Dr BR Ambedkar medical College,Kadugondanahalli,Bengaluru, Karnataka 560045
Bangalore
KARNATAKA 
9964059953

vridhir@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics committee of DR BR Ambedkar medical college  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  50.00 Year(s)
Gender  Both 
Details  1) patients posted for elective surgery under general anaesthesia
2) American anaesthesiologist association physical status 1 and 2  
 
ExclusionCriteria 
Details  1)Patient with peripheral vascular disease
2)Cardiovascular disease
3)Hepatic and renal complications
4)Circulatory instability
5)Patients on ACEI and ARB classess of antihypertensives 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To assess the pre anesthetic subclavian vein ultrasonographic diameter variation with passive leg raising.  change in diameter will be assessed after 30 seconds of bilateral passive leg raising. 
 
Secondary Outcome  
Outcome  TimePoints 
1)To find out subclavian vein diameter collapsibility index in supine & with passive leg raising
2) To evaluate hemodynamic responses following general anaesthesia  
baseline,2 minutes, 4 minutes, 6 minutes,8 minutes, 10 minutes 
 
Target Sample Size   Total Sample Size="75"
Sample Size from India="75" 
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)   20/10/2023 
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 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   Perioperative hypotension increases postoperative complication rates and prolongs postoperative recovery time. Whether the Passive Leg Raising test (PLR) and Subclavian Vein Diameter(DSCV) can effectively predict post-anesthesia hypotension remains to be tested. 
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