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CTRI Number  CTRI/2020/06/025940 [Registered on: 17/06/2020] Trial Registered Prospectively
Last Modified On: 16/06/2020
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group, Multiple Arm Trial 
Public Title of Study   Role of quadratus lumborum block for the management of pain following hernia surgery. 
Scientific Title of Study   Comparison of anterior, posterior and lateral approaches of ultrasound guided quadratus lumborum block in adult patient undergoing inguinal hernia surgery: A prospective randomized controlled trial. 
Trial Acronym   
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Ajeet Kumar 
Designation  Additional Professor  
Affiliation  AIIMS, Patna  
Address  Department of anaesthesia,Room no-503,5th floor, OT Complex, B -Block

Patna
BIHAR
801507
India 
Phone  9312501413  
Fax    
Email  ajeetanaes@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ajeet Kumar 
Designation  Additional Professor  
Affiliation  AIIMS, Patna  
Address  Department of anaesthesia,Room no-503,5th floor, OT Complex, B -Block

Patna
BIHAR
801507
India 
Phone  9312501413  
Fax    
Email  ajeetanaes@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ajeet Kumar 
Designation  Additional Professor  
Affiliation  AIIMS, Patna  
Address  Department of anaesthesia,Room no-503,5th floor, OT Complex, B -Block

Patna
BIHAR
801507
India 
Phone  9312501413  
Fax    
Email  ajeetanaes@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, All India Institute of Medical Sciences, Patna, Phulwarisharif, Bihar, India Pin: 801507 
 
Primary Sponsor  
Name  AIIMS Patna  
Address  Department of Anaesthesia, B-Block, OT complex  
Type of Sponsor  Government medical college 
 
Details of Secondary Sponsor  
Name  Address 
AIIMS Patna   Department of Anaesthesia, B-Block, OT complex  
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Ajeet Kumar  AIIMS, Patna  Department of Anaesthesia, B-Block, OT complex
Patna
BIHAR 
9312501413

ajeetanaes@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
IEC AIIMS Patna  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  (1) ICD-10 Condition: K409||Unilateral inguinal hernia, without obstruction or gangrene,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Trans-muscular approach/ Anterior approach  Patient will be placed in the lateral decubitus position. After local sterilization with povidone iodine, ultrasound probe covered with a sterile sheath will be placed above the iliac crest. The Petit’s triangle will be identified. The three abdominal muscles (i.e., the external oblique, internal oblique and transverses abdominus muscles) will be detected and followed posteriorly until the layers of the thoracolumbar fascia (TLF) appear as a bright hyperechogenic line. The needle will be inserted using inplane technique along the posterior edge of the probe in anteromedial direction. The needle tip will be placed between the two muscles (quadratus lumborum and psoas major muscle) after confirming the correct position of the needle and followed by negative aspiration, 2 ml of normal saline will be injected with hydro dissection, followed by 0.4 ml/kg of 2mg/ml ropivacaine. The injected local anesthetic bolus will then be seen pushing the psoas major away from the quadratus lumborum muscle. 
Intervention  Type 1 / Lateral approach  The patient will be positioned lateral and a linear transducer is placed in the axial plane in the mid axillary line and moved posteriorly until the posterior aponeurosis of the transverses abdominis muscle will become visible. The target will be just deep to the aponeurosis but superficial to the transversalis fascia at the lateral margin of the QL muscle. The needle will be inserted from either the anterior or the posterior end of the transducer and advanced until the needle tip will penetrate the posterior aponeurosis of the transverses abdominis muscle. Local anesthetic will be injected between the aponeurosis and the fascia at the lateral margin of the QL muscle. 
Comparator Agent  Type 2 / Posterior approach  The patient will be positioned lateral and a linear transducer will be placed in the axial plane in the mid axillary line and moved posteriorly. Then the posterior border of QL will be identified and needle tip will be placed at that point. Proper placement should result in a spread of local anesthetic through the middle of thoraco-lumbar-facial (TLF) layer and into the interfascial triangle. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  ASA I/II

Patients undergoing for elective unilateral inguinal hernia surgery
 
 
ExclusionCriteria 
Details  Refusal to give consent
ASA status of III or more
Contraindication for quadratus lumborum block like distorted anatomy
Infection at the site of injection
Coagulopathy disorder
Allergic to drug
Patient with sepsis
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Mean NRS score  24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Total analgesic consumption
Time for first rescue analgesia required 
24 hours 
 
Target Sample Size   Total Sample Size="60"
Sample Size from India="60" 
Final Enrollment numbers achieved (Total)= "60"
Final Enrollment numbers achieved (India)="60" 
Phase of Trial   N/A 
Date of First Enrollment (India)   20/06/2020 
Date of Study Completion (India) 31/01/2022 
Date of First Enrollment (Global)  Date Missing 
Date of Study Completion (Global) Date Missing 
Estimated Duration of Trial   Years="1"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Completed 
Publication Details   1. Bulka CM, Shotwell MS, Gupta RK, Sandberg WS, Ehrenfeld JM. Regional anesthesia, time to hospital discharge, and inhospital mortality: a propensity score matched analysis. RegAnesth Pain Med 2014;39:381–6 2. Liu SS, Wu CL. Effect of postoperative analgesia on major postoperative complications: a systematic update of the evidence. AnesthAnalg 2007;104:689–702 3. Bantel C, Trapp S. The role of the autonomic nervous system in acutesurgical pain processing – what do we know? Anaesthesia 2011; 66:541–544 
Individual Participant Data (IPD) Sharing Statement

Will individual participant data (IPD) be shared publicly (including data dictionaries)?  

Brief Summary   Quadratus lumborum block is used effectively for lower abdominal surgeries like cesarean section, pyeloplasty etc. There are various approaches for this block according to the local anaesthetic deposition. Here in this trial we will  compare three different technique of quadratus lumborum block. 
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