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CTRI Number  CTRI/2025/10/096222 [Registered on: 21/10/2025] Trial Registered Prospectively
Last Modified On: 18/10/2025
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Active Controlled Trial 
Public Title of Study   Study Comparing Ultrasound Guidance and Conventional Technique for Thoracic Epidural Anesthesia in Major Abdominal Surgeries to Assess Procedural Efficacy 
Scientific Title of Study   "Efficacy of Real Time Ultrasound-Guided (Paramedian Cross View) Versus Conventional Landmark Technique for Thoracic Epidural Anesthesia in Patients Undergoing Major Abdominal Surgeries: A Prospective Randomized Trial"  
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 Tejas Krishna 
Designation  Junior resident 
Affiliation  All India Institute of Medical Sciences, Rishikesh 
Address  All India Institute of Medical sciences-Rishikesh, Department of Anaesthesiology, Virbhadra, Rishikesh.

Dehradun
UTTARANCHAL
249203
India 
Phone  8610462938  
Fax    
Email  tejasckrishna@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Praveen Talawar 
Designation  Additional professor 
Affiliation  All India Institute of Medical Sciences, Rishikesh 
Address  All India Institute of Medical sciences-Rishikesh, Department of Anaesthesiology, Virbhadra, Rishikesh.

Dehradun
UTTARANCHAL
249203
India 
Phone  9654162941  
Fax    
Email  praveenrt64@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Praveen Talawar 
Designation  Additional professor 
Affiliation  All India Institute of Medical Sciences, Rishikesh 
Address  All India Institute of Medical sciences-Rishikesh, Department of Anaesthesiology, Virbhadra, Rishikesh.

Dehradun
UTTARANCHAL
249203
India 
Phone  9654162941  
Fax    
Email  praveenrt64@gmail.com  
 
Source of Monetary or Material Support  
Only hospital resources to be used. AIIMS Rishikesh, Virbhadra road, Rishikesh, Uttarakhand 249203 
 
Primary Sponsor  
Name  All India Institute of Medical Sciences Rishikesh 
Address  All India Institute of Medical Sciences Rishikesh, Virbhadra road, Rishikesh, Uttarakhand 249203 
Type of Sponsor  Research institution and hospital 
 
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 Praveen Talawar  All India Institute of medical sciences Rishikesh  Department of Anesthesia 6th floor, A BLOCK
Dehradun
UTTARANCHAL 
9654162941

praveenrt64@gmail.com  
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: 2||Placement,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Comparator Agent  Conventional landmark guided thoracic epidural anesthesia  Thoracic epidural analgesia is given using the conventional landmark guided technique 
Intervention  Ultrasound guided Thoracic epidural analgesia  Ultrasound Guided Thoracic Epidural Anesthesia is given using the paramedian cross view 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  60.00 Year(s)
Gender  Both 
Details  Patients posted for major abdominal surgery
Age group between 18-60 years
ASA physical status I-III
Able and willing to provide written and informed consent
 
 
ExclusionCriteria 
Details  •Refusal to give consent
•Lack of ability to cooperate or comprehend the study protocol
•Inability to maintain follow up or assess outcomes

 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant, Investigator and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
To assess the first-pass success rate of real-time ultrasound-guided MTE catheter placement using the paramedian cross (PX) view as compared to conventional landmark technique in patients undergoing major abdominal surgery.  The primary outcome will be assessed immediately at the end of the procedure after successful catheter placement 
 
Secondary Outcome  
Outcome  TimePoints 
To evaluate & compare additional procedural parameters including - time for preparation, Time for insertion, Number of attempts, Number of needle redirections, Requirement for change of intervertebral space. Incidence of complications such as dural puncture, intravascular placement, catheter displacement, Postoperative outcomes including back pain and
Overall success rate
 
All secondary outcomes will be measured at the time of procedure, except postoperative back pain which will be assessed at 24hrs. 
 
Target Sample Size   Total Sample Size="82"
Sample Size from India="82" 
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)   03/11/2025 
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="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  

Patients will be divided into 2 groups. Both groups will undergo thoracic epidural anaesthesia using the saline infusion loss of resistance technique.

Group I: Thoracic epidural anaesthesia using real time ultrasound guided technique in paramedian cross view.

Group II: Thoracic epidural anaesthesia in the conventional landmark technique using the paramedian approach.

All the USG epidural catheter placements will be performed inside the operating room (OR). Upon arrival in the OR, standard American Society of Anesthesiology (ASA) monitoring will be initiated


 
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