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CTRI Number  CTRI/2018/01/011445 [Registered on: 19/01/2018] Trial Registered Prospectively
Last Modified On: 19/01/2018
Post Graduate Thesis  No 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Role of anterior abdominal wall blocks in open pyeloplasty in children 
Scientific Title of Study   Comparison of analgesic efficacy of ultrasound guided quadratus lumborum block versus transversus abdominis plane block for pyeloplasty for children- a randomized, double blind, controlled trial. 
Trial Acronym  QL Vs TAP 
Secondary IDs if Any  
Secondary ID  Identifier 
NIL  NIL 
 
Details of Principal Investigator or overall Trial Coordinator (multi-center study)  
Name  Dr Praveen Talawar 
Designation  Assistant Professor 
Affiliation  AIIMS New Delhi 
Address  Room No-5011 Department of Anaesthesiology, Pain Medicine and Critical Care 5th floor, Teaching block AIIMS, Ansari Nagar New Delhi 110029
Room No 5011 5th Floor Teaching Block AIIMS New Delhi 110029
South
DELHI
110049
India 
Phone  9654162941  
Fax    
Email  praveenrt64@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Praveen Talawar 
Designation  Assistant Professor 
Affiliation  AIIMS New Delhi 
Address  FTA-507 5th floor AV Nagar New Delhi
Room No 5011 5th Floor Teaching Block AIIMS New Delhi 110029
South
DELHI
110049
India 
Phone  9654162941  
Fax    
Email  praveenrt64@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Praveen Talawar 
Designation  Assistant Professor 
Affiliation  AIIMS New Delhi 
Address  FTA-507 5th floor AV Nagar New Delhi
Room No 5011 5th Floor Teaching Block AIIMS New Delhi 110029
South
DELHI
110049
India 
Phone  9654162941  
Fax    
Email  praveenrt64@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology, Pain Medicine and Critical Care All India Institute of Medical Sciences, New Delhi 
 
Primary Sponsor  
Name  AIIMS New Delhi 
Address  Room No-5011, 5th floor Teaching Block Department of Anaesthesiology, Pain Medicine and Critical care AIIMS, New Delhi-110029 
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  AIIMS New Delhi  Room No-5011 5th Floor Teaching Block Department of Anaesthesiology Pain Medicine and Critical Care AIIMS New Deli
South
DELHI 
09654162941
9654162941
praveenrt64@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institute Ethics Committee, AIIMS, New Delhi  Approved 
 
Regulatory Clearance Status from DCGI  
Status 
Not Applicable 
 
Health Condition / Problems Studied  
Health Type  Condition 
Patients  Children undergoing pyeloplasty aged between 2 to 10 years age group,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Ultrasound Guided Abdominal wall blocks   0.5ml/kg of Ropivacaine 0.375%  
Comparator Agent  Ultrasound Guided Quadratus lumborum block (Trans-muscular approach)  Patient will be lateral position, with the block to be given up. A linear probe will be placed between iliac crest and costal margin to identify the transverse process of lumbar vertebre, the muscle superficial to the transverse process is erector spinae, the muscle deep to the transverse process is quadratus lumborum, which seperates from psoas major muscle lying anterolateral to the vertebral body The needle is passed in line, and placement of needle in between the quadratus lumborum and psoas major muscle is confirmed by hydrodissection using 2-3 ml of normal saline. The drug solution is injected once confirming the needle placement 
Comparator Agent  Ultrasound Guided Transversus Abdominis Plane (TAP) Block  Under High frequency ultrasound probe, the three layers of the abdominal wall are identified on the side to be blocked. The drug solutions are injected when hydodissection with 2-3ml of normal saline confirms the needle placement between the internal oblique and transversus abdominis using in line technique 
 
Inclusion Criteria  
Age From  2.00 Year(s)
Age To  10.00 Year(s)
Gender  Both 
Details  American Society of Anaesthesiology physical status I and II

Posted for elective pyeloplasty 
 
ExclusionCriteria 
Details  1. Refusal of parents or guardians to participate in the study
2. Developmental delay and mental retardation
3. History of sensitivity to drugs used in the study
4. Coagulopathy
5. Infection at the puncture site
6. Significant cardiac renal or liver disease 
 
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 
Primary outcome
To compare the intraoperative and post operative analgesic consumptions and post operative VAS scores

Secondary Objectives
To compare the incidence of nausea or vomiting, excessive sedation and respiratory depression 
at 1, 2, 4, 6, 8, 12, 18, 24 hours 
 
Secondary Outcome  
Outcome  TimePoints 
Secondary Objectives
To compare the incidence of nausea or vomiting, excessive sedation and respiratory depression 
At 1, 2, 4, 6, 8, 12, 18 and 24 hours 
 
Target Sample Size   Total Sample Size="40"
Sample Size from India="40" 
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)   01/02/2018 
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="3"
Months="0"
Days="0" 
Recruitment Status of Trial (Global)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   References 1. D.M. El-Fawy, H.A. El-Gendy. Ultrasound-guided transversus abdominis plane block versus caudal block for postoperative pain relief in infants and children undergoing surgical pyeloplasty. Ain-Shams J Anesthesiology, 07 (2014), pp. 177–181. 2. Chakraborty A, Goswami J, Patro V. Ultrasound-guided continuous quadratus lumborum block for postoperative analgesia in a pediatric patient. Case Rep. 2015 Feb 1;4(3):34–6. 3. Visoiu M, Yakovleva N. Continuous postoperative analgesia via quadratus lumborum block - an alternative to transversus abdominis plane block. Paediatr Anaesth. 2013 Oct;23(10):959–61. 4. Baidya DK, Maitra S, Arora MK, Agarwal A. Quadratus lumborum block: an effective method of perioperative analgesia in children undergoing pyeloplasty. J Clin Anesth. 2015 Jul 11;  
Individual Participant Data (IPD) Sharing Statement

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

Brief Summary  

Renal  surgeries  are commonly performed procedures in children and are associated with significant post-operative pain. Effective postoperative analgesia is essential to allow coughing, early mobilization, and to reduce the incidence of post-operative respiratory complications. Compared to systemic opioids , neuraxial analgesia  and  peripheral  nerve blockade  techniques  can  provide superior analgesia while avoiding majority of side effects of opioids as well as  NSAIDs.

The transversus abdominis plane (TAP) block and quadratus lumborum(QL) block are the truncal nerve blocks that targets the lower thoracic and upper lumbar nerves as they course through the inter-fascial planes and provides analgesia for procedures involving the abdominal wall.


Quadratus lumborum (QL) block  is a newly introduced variation of TAP block, reported to provide excellent post-operative analgesia in; pediatric patients undergoing radical nephrectomy (2), colostomy closure (3), pyeloplasty .


 
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