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CTRI Number  CTRI/2025/05/087955 [Registered on: 30/05/2025] Trial Registered Prospectively
Last Modified On: 28/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Other (Specify) [Caval Sonography]  
Study Design  Other 
Public Title of Study   Caval sonography in correlation with central venous pressure for the assessment of volume status in critically ill patients  
Scientific Title of Study   Caval sonography in correlation with central venous pressure for the assessment of volume status in critically ill patients: A cross - sectional 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 Sangeetha Lakshmikanthan  
Designation  Post Graduate 
Affiliation  Karnataka Institute Of Medical Sciences Hubballi 
Address  Department of Anaesthesiology Karnataka Institute Of Medical Sciences Vidyanagar Hubballi Dharwad karnataka 580021 India

Dharwad
KARNATAKA
580021
India 
Phone  9080757987  
Fax    
Email  sange.kanthan93@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Jagadish B Alur 
Designation  Associate Professor  
Affiliation  Karnataka Institute Of Medical Sciences Hubballi 
Address  Department of Anaesthesiology Karnataka Institute Of Medical Sciences Vidyanagar Hubballi Dharwad karnataka 580021 India

Dharwad
KARNATAKA
580021
India 
Phone  9449455665  
Fax    
Email  alurjaggs9495@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Jagadish B Alur MD  
Designation  Associate Professor  
Affiliation  Karnataka Institute Of Medical Sciences Hubballi 
Address  Department of Anaesthesiology Karnataka Institute Of Medical Sciences Vidyanagar Hubballi Dharwad karnataka 580021 India

Dharwad
KARNATAKA
580021
India 
Phone  9449455665  
Fax    
Email  alurjaggs9495@gmail.com  
 
Source of Monetary or Material Support  
Karnataka Medical College and Research Institute (KMC-RI), PB Road, Vidya Nagar, Hubballi, Karnataka, INDIA- 580022 
 
Primary Sponsor  
Name  Dr Sangeetha Lakshmikanthan 
Address  Post Graduate Department Of Anaesthesiology Karnataka Medical College and Research Institute (KMC-RI),PB Rd, Vidya Nagar, Hubballi, Karnataka, India - 580022 
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 Sangeetha Lakshmikanthan  Karnataka institute Of Medical Sciences  Department Of Anaesthesiology Room No 206 Karnataka Institute Of Medical Sciences Vidyanagar Hubballi
Dharwad
KARNATAKA 
9080757987

sange.kanthan93@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Karnataka Institute Of Medical Sciences Hubballi 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 Sonography   Bedside ultrasonographic examination of Inferior Vena Cava will be performed in critically ill patients to measure IVC diameters and IVC collapsibility index for 5 minutes 
Comparator Agent  Central Venous Pressure measurement  Immediately after measuring the IVC diameters and IVC collapsibilty index recording of central venous pressure will be done using the manometer technique 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  70.00 Year(s)
Gender  Both 
Details  Critically ill patients in intensive care unit, Spontaneously breathing patients, patients with functioning Central venous catheter that had already been placed for clinical indications, patients giving informed valid and written consent  
 
ExclusionCriteria 
Details  Patients in whom CVC is contraindicated, patients with overt right heart failure or with moderate to severe tricuspid regurgitation, patients with clinical signs of elevated intra abdominal pressure, Patients for whom required ultrasound examination would not be appropriate , mechanically ventilated patients, patients who refused to participate in the study.  
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Not Applicable 
Blinding/Masking   Participant and Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
To assess the correlation between inferior vena cava diameters, central venous pressure and IVC collapsibility index for estimating the volume status in critically ill patients   Ultrasound image acquisition recording will be done initially. After one minute central venous pressure will be measured  
 
Secondary Outcome  
Outcome  TimePoints 
To establish inferior vena cava diameter & IVC collapsibility index as a non invasive tool for the evaluation of intravascular fluid volume & to guide fluid management in critically ill patients   Baseline USG guided IVC diameter & IVC collapsibility index obtained. After 1 minute CVP will be measured & values will be correlated 
 
Target Sample Size   Total Sample Size="61"
Sample Size from India="61" 
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   Phase 2 
Date of First Enrollment (India)   15/06/2025 
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="11"
Days="1" 
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   Accurate assessment of intravascular volume status in critically-ill patients is crucial for their diagnosis and management.  Traditional CVP measurement requires invasive central venous catheter placement which is time consuming and is associated with potential complications. Clinician performed bedside ultrasonographic evaluation of the IVC is a potential tool that could provide an instant and non-invasive measure of volume status. This cross sectional study aims to establish the accuracy of ultrasonography as a feasible, rapid and non-invasive method for assessment of intravascular volume status in spontaneously breathing critically ill patients.  
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