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CTRI Number  CTRI/2025/05/087241 [Registered on: 21/05/2025] Trial Registered Prospectively
Last Modified On: 21/05/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Process of Care Changes 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Comparison of pain during venous cannulation between short and long axes ultrasound probe orientation  
Scientific Title of Study   A randomized comparative study to evaluate the effect of short axis versus long axis orientation on pain of cannulation during ultrasound guided peripheral venous tapping in S.M.S. Medical College,Jaipur 
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 Samridhi Nanda 
Designation  Professor 
Affiliation  S.M.S Medical College and Hospital,Jaipur 
Address  HOD chamber, Department of Anaesthesia,OT complex,1st floor, Dhanwantri OPD building,S.M.S Medical College and Hospital,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  0141251680  
Fax    
Email  samridhinanda@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Samridhi Nanda 
Designation  Professor 
Affiliation  S.M.S Medical College and Hospital,Jaipur 
Address  HOD chamber, Department of Anaesthesia,OT complex,1st floor, Dhanwantri OPD building,S.M.S Medical College and Hospital,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  0141251680  
Fax    
Email  samridhinanda@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Pragya Jha 
Designation  Resident doctor  
Affiliation  S.M.S Medical College and Hospital,Jaipur 
Address  HOD chamber, Department of Anaesthesia,OT complex,1st floor, Dhanwantri OPD building,S.M.S Medical College and Hospital,Jaipur

Jaipur
RAJASTHAN
302004
India 
Phone  7093585435  
Fax    
Email  pragyajha1528@gmail.com  
 
Source of Monetary or Material Support  
Department of anaesthesia Sawai Man SinghMedical college and attached hospitals,Jaipur,Rajasthan,India 
 
Primary Sponsor  
Name  Department of anaesthesia Sawai Man Singh Medical college and attached hospital Jaipur 
Address  Department of anaesthesia Sawai Man Singh medical college and Attached hospital, Jaipur Rajasthan 302004 ,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 Samridhi Nanda  General surgery OT,Gastro OT,Hand surgery OT,Trauma centre OT  Department of Anaesthesia,1st floor OT complex, Dhanwantri OPD building,S.M.S medical college and attached hospitals,Jaipur
Jaipur
RAJASTHAN 
9680565399

samridhinanda@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Office of the ethics commitee,S.M.S medical college and attached hospitals,Jaipur  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  Ultrasound guided venous cannulation   Ultrasound guided venous cannulation in long axis orientation 
Comparator Agent  Ultrasound guided venous cannulation  Ultrasound guided venous cannulation in short axis orientation 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  1.ASA Grade 1,2 cases presenting for surgery/ procedures
2. Patients providing informed written consent to the procedure 
 
ExclusionCriteria 
Details  1. Patients with history of coagulopathy, or are on blood thinning medications at
the time of the procedure.
2. Patients who have generalized edema or other indication precluding
peripheral venous cannulation
4. Patients with a mental or verbal incapacity to express
5. Patient should not be part of any other study 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Mean VAS scale (VAS-P: pain of procedure) in either groups  At the time of cannulation 
 
Secondary Outcome  
Outcome  TimePoints 
1. To assess & compare the time taken to do a peripheral venous cannulation in either approaches.
2. To assess & compare the ease of peripheral venous cannulation in either approaches in terms of rate of first pass success, number of needle passes prior to success in either approaches
3. To assess & compare the proportion of cases having an orientation crossover,site crossover, operator change
4. To assess & compare proportion of complications/ adverse effects if any  
1. Stopwatch starts just before the attempt to cannulation, upto the point when the Cannula tip is visualised in the lumen in long axis orientation 
 
Target Sample Size   Total Sample Size="80"
Sample Size from India="80" 
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)   01/07/2025 
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="0"
Months="6"
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   Peripheral venous cannulation is crucial in surgical, emergency, and critical care settings. Traditionally, intravenous catheters are placed by visualizing or palpating the vein, but up to one-third of patients encounter difficult intravenous access (DIVA), which includes those with generalized edema, obesity, multiple previous cannulations, or who are intravenous drug users.Ultrasound-guided peripheral intravenous access has proven more successful than blind techniques, reducing time and punctures while improving patient satisfaction, especially in challenging cases . Real-time ultrasound needle guidance using the in-plane/long-axis technique enhances needle placement accuracy and allows for immediate complication checks and catheter tip verification. This method also decreases the need for central venous catheter placement, particularly in noncritically ill patients. It can lead to reduced reliance on central venous catheters solely for access purposes and fewer days with central lines in place. However, studies on the impact of ultrasound orientation (short versus long axis) for cannulating larger veins have shown inconsistent results. Therefore, we are conducting a randomized comparative study to evaluate the effect of short-axis versus long-axis orientation on pain during ultrasound-guided peripheral venous cannulation 
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