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CTRI Number  CTRI/2024/09/073840 [Registered on: 12/09/2024] Trial Registered Prospectively
Last Modified On: 11/09/2024
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Single Arm Study 
Public Title of Study   A clinical trial to study the efficacy of caval aorta index and inferior vena cava collapsibility index on the incidence of hypotension after spinal anesthesia in adult patients. 
Scientific Title of Study   Predictive efficacy of caval aorta index and inferior vena cava collapsibility index on incidence of hypotension after subarachnoid block in adult patients undergoing infraumbilical surgeries. 
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 BhanujaB 
Designation  PG Resident  
Affiliation  Vardhaman Mahavir Medical College and Safdarjung Hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi Delhi, 110029,India.

New Delhi
DELHI
110029
India 
Phone  7483388621  
Fax    
Email  bhanujab9535@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Amita Gupta  
Designation  Consultant and Professor  
Affiliation  Vardhaman Mahavir Medical College and Safdarjung Hospital  
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi Delhi, 110029,India.

New Delhi
DELHI
110029
India 
Phone  9910382190  
Fax    
Email  amitaguptadr@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Amita Gupta 
Designation  Consultant and Professor  
Affiliation  Mahavir 
Address  Department of Anaesthesia and Intensive care,VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi Delhi, 110029,India.

New Delhi
DELHI
110029
India 
Phone  9910382190  
Fax    
Email  amitaguptadr@gmail.com  
 
Source of Monetary or Material Support  
Vardhaman Mahavir Medical College and Safdarjung Hospital , New Delhi , Delhi 110029 , India  
 
Primary Sponsor  
Name  Vardhaman Mahavir Medical College and Safdarjung Hospital  
Address  Vardhman Mahavir medical college and Safdarjung hospital, New Delhi,Delhi 110029 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 
Dr Bhanuja B  VMMC and Safdarjung Hospital   Department of Anaesthesia and Intensive care, VMMC and Safdarjung Hospital, Ansari Nagar East, New Delhi, Delhi ,110029, India
New Delhi
DELHI 
7483388621

bhanujab9535@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
VMMC and Safdarjung Hospital Institutional Ethics Committee   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 
Intervention  Caval aorta index and inferior vena cava collapsibility index   Efficacy of caval aorta index and inferior vena cava collapsibility index in predicting hypotension after subarachnoid block in Adult patients  
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA I&II Undergoing elective infraumbilical surgery under spinal anaesthesia in supine position  
 
ExclusionCriteria 
Details  1. Contraindications for spinal Anesthesia
2.Patients with pre existing Hypotension
3. Pregnency
4 Body mass index more than 30 kg per meter square  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
To determine the sensitivity and specificity of caval aorta index and inferior vena cava collapsibility index as predictor of hypotension after subarachnoid block in adult patients undergoing infraumbilical surgeries.  Every 1min till 5 min & every 2 min till 15 min & every 5min until 60 min  
 
Secondary Outcome  
Outcome  TimePoints 
To compare the predictive value of caval aorta index & inferior vena cava collapsibility index as predictor of hypotension after subarachnoid block   Every 1min till 5 min & every 2 min till 15 min & every 5min until 60 min  
 
Target Sample Size   Total Sample Size="55"
Sample Size from India="55" 
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)   01/10/2024 
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="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  

AIM


To study the predictive efficacy of caval aorta index and  inferior vena cava collapsibility index as predictor of hypotension after subarachnoid block in  adult patients undergoing infraumbilical surgeries. 



FLOW CHART OF METHODOLOGY 


Meets inclusion criteria 


In pre Operative Room

  • Pre anesthetic evaluation 
  • NPO 6hrs
  • Written informed consent 
  • HR ,NIBP,Spo2 noted 


  • Measurement of IVC internal anteroposterior diameter                                             IVCD max(during expiration)& IVCD min(during inspiration)
  • Measurement of maximum internal diameter of Abdominal aorta (during systole)


In Operation theatre 

Baseline Heart rate , NIBP, Spo2 noted 


  • Spinal Anesthesia in a sitting position at L3-L4 intervertebral space 
  • A dose of 2.8ml of 0.5% hyperbaric bupivacaine + 10mcg fentanyl through 25- gauge Quincke spinal needle 
  • Patients will be kept  supine position 


Rapid IV co- loading with 10 ml/ kg / hr Ringer lactate after giving Spinal anaesthesia 


NIBP, HR, and Spo2 will be recorded every 1 minute till 5 min and every 2 min till 15 min and then every 5 min until 60 min since the administration subarachnoid block had passed.


 
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