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CTRI Number  CTRI/2025/12/098579 [Registered on: 05/12/2025] Trial Registered Prospectively
Last Modified On: 05/12/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Follow Up Study 
Study Design  Single Arm Study 
Public Title of Study   Using an ultrasound scan before elective surgery to see if a patient might have low blood pressure when put under general anaesthesia. 
Scientific Title of Study   Preoperative Ultrasonographic Evaluation of Subclavian Vein and Inferior Vena Cava for Predicting Hypotension Associated with Induction of 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 Jyoti Pathania 
Designation  Professor and guide 
Affiliation  Rohilkhand Medical College. Bareilly 
Address  Room no. 25 Ac girls hostel Rohilkhand Medical College Pilibhit bypass road Bareilly Pincode- 243006

Bareilly
UTTAR PRADESH
243006
India 
Phone  9418120659  
Fax    
Email  pathaniajyoti7@gmail.com  
 
Details of Contact Person
Scientific Query  
Name  Dr Saumya Pathak 
Designation  Junior Resident  
Affiliation  Rohilkhand Medical College. Bareilly 
Address  2062-B Department of Anesthesia Rohilkhand Medical College Pilibhit bypass road Bareilly Pincode- 243006

Bareilly
UTTAR PRADESH
243006
India 
Phone  7860383892  
Fax    
Email  saumyapathak81@gmail.com  
 
Details of Contact Person
Public Query  
Name  Dr Saumya Pathak 
Designation  Junior Resident  
Affiliation  Rohilkhand Medical College. Bareilly 
Address  2062-B Department of Anesthesia Rohilkhand Medical College Pilibhit bypass road Bareilly Pincode-243006

Bareilly
UTTAR PRADESH
243006
India 
Phone  7860383892  
Fax    
Email  saumyapathak81@gmail.com  
 
Source of Monetary or Material Support  
Rohilkhand Medical College and hospital Ohilibhit bypass road Bareilly 
 
Primary Sponsor  
Name  Dr Saumya Pathak 
Address  Room no. 25 Ac girls hostel Rohilkhand Medical College Pilibhit bypass road Bareilly Pincode- 243006 
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 Saumya Pathak  Rohilkhand Medical College  Rohilkhand Medical College Pilibhit bypass road Bareilly UP 243006 India
Bareilly
UTTAR PRADESH 		 07860383892

saumyapathak81@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional ethics Committe rmch barielly up  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Healthy Human Volunteers  ASA Grade 1 2 
Patients  (1) ICD-10 Condition: O||Medical and Surgical, (2) ICD-10 Condition: R688||Other general symptoms and signs, (3) ICD-10 Condition: R688||Other general symptoms and signs,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Nil  Nil 
Intervention  Nil  Nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. To assess collapsibility indices of IVC and SCV in the patients.
2. To determine the diagnostic accuracy of SCV-CI and IVC-CI in predicting post
induction hypotension.
3. To study the proportions of patients experiencing PIH.
4. To corelate other demographic factors with PIH in patients 
 
ExclusionCriteria 
Details  1. Pregnant women
2. Patients with local infection, surgical scars, or deformities in the chest or
abdominal region
3. Patients receiving vasopressors or significant fluid resuscitation prior to
induction
4. Patients with arrhythmias such as atrial fibrillation 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
1. To assess collapsibility indices of IVC and SCV in the patients.
2. To determine the diagnostic accuracy of SCV-CI and IVC-CI in predicting post
induction hypotension.
3. To study the proportions of patients experiencing PIH.
4. To corelate other demographic factors with PIH in patients 		 1. To assess collapsibility indices of IVC and SCV in the patients.
2. To determine the diagnostic accuracy of SCV-CI and IVC-CI in predicting post
induction hypotension.
3. To study the proportions of patients experiencing PIH.
4. To corelate other demographic factors with PIH in patients 
 
Secondary Outcome  
Outcome  TimePoints 
NIL  NIL 
 
Target Sample Size   Total Sample Size="140"
Sample Size from India="140" 
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)   20/12/2025 
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="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   in this study the patients undergoing the procedure in the general anesthesia are evaluated in the preoperative room for ivc and scv collapsibilty and then in the operation theatre room for about 18 minutes , out of which thhe first 4 minutes are till the induction and then the rest 14 minutes post induction, reading taken every 2 minutes post induction.

this show the changes in the hemodynamic parameters of the patient depending upon the collapsisbitly index taken in preoperative room
 
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