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CTRI Number  CTRI/2025/06/088036 [Registered on: 02/06/2025] Trial Registered Prospectively
Last Modified On: 20/07/2025
Post Graduate Thesis  Yes 
Type of Trial  Observational 
Type of Study   Cross Sectional Study 
Study Design  Other 
Public Title of Study   Comparison of Ultrasound guided pericapsular nerve group vs iliopsoas plane block 
Scientific Title of Study   Comparison of efficacy of ultrasound guided pericapsular nerve group (PENG) vs iliopsoas plane block (IPB) for facilitating positioning for central neuraxial block in patients for proximal hip surgeries: a prospective observational 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  Mude Nanda Kumar Naik 
Designation  Resident doctor 
Affiliation  Lokmanya Tilak Municipal General Hospital 
Address  Department of Anaesthesia,Lokmanya tilak municipal medical college and Lokmanya tilak municipal general hospital ,Sion, Mumbai Mumbai MAHARASHTRA 400022 India

Mumbai
MAHARASHTRA
400022
India 
Phone  7330617080  
Fax    
Email  nandhumydad123@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Shruti Patil 
Designation  Associate Professor 
Affiliation  Lokmanya Tilak Municipal General Hospital 
Address  Department of Anaesthesia,Lokmanya tilak municipal medical college and Lokmanya tilak municipal general hospital ,Sion, Mumbai Mumbai MAHARASHTRA 400022 India

Mumbai
MAHARASHTRA
400022
India 
Phone  9619153353  
Fax    
Email  dr.shrutipatil@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Shruti Patil 
Designation  Associate Professor 
Affiliation  Lokmanya Tilak Municipal General Hospital 
Address  Department of Anaesthesia,Lokmanya tilak municipal medical college and Lokmanya tilak municipal general hospital ,Sion, Mumbai Mumbai MAHARASHTRA 400022 India


MAHARASHTRA
400022
India 
Phone  9619153353  
Fax    
Email  dr.shrutipatil@gmail.com  
 
Source of Monetary or Material Support  
Lokmanya tilak municipal medical college and Lokmanya tilak municipal general hospital ,Sion, Mumbai, INDIA 400022 
 
Primary Sponsor  
Name  Mude Nanda Kumar Naik 
Address  Department of Anaesthesia, LTMMC and LTMGH Sion 
Type of Sponsor  Other [other (self) ] 
 
Details of Secondary Sponsor  
Name  Address 
Shruti Patil  Department of Anaesthesia, LTMMC and LTMGH Sion 
 
Countries of Recruitment     India  
Sites of Study  
No of Sites = 1  
Name of Principal Investigator  Name of Site  Site Address  Phone/Fax/Email 
Dr Mude Nanda Kumar Naik  Lokmanya tilak medical college   Orthopaedic operation theatre,3 rd floor, Ward building, Lokmanya tilak medical college,Sion Mumbai
Mumbai
MAHARASHTRA 
7330617080

nandhumydad123@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee Human Research Lokmanya tilak medical college & general hospital  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 
Comparator Agent  nil  nil 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  75.00 Year(s)
Gender  Both 
Details  Patients scheduled for hip surgery under central neuraxial block 
 
ExclusionCriteria 
Details  1)Contraindications for spinal anaesthesia, PENG block and Iliopsoas plane block
2)Patient with multiple fractures
3)Refusal to participate
4)Local infection
 
 
Method of Generating Random Sequence   Not Applicable 
Method of Concealment   Alternation 
Blinding/Masking   Participant and Outcome Assessor Blinded 
Primary Outcome  
Outcome  TimePoints 
Haemodynamic parameters
and VAS will be observed every minute in first 5 minutes and every 5 minutes for next 30
minutes. 
every minute in first 5 minutes and every 5 minutes for next 30 min
minutes. 
 
Secondary Outcome  
Outcome  TimePoints 
VAS (Visual Analogue scale) during sitting position  at 30 min 
VAS during supine position
I. Static
ii. Dynamic (Passive leg raising 15°) at 5,10,15,30 min
iii. VAS (Visual Analogue scale) during sitting position
iv. Quadriceps strength using MMT scale [0-5], where 0 is no muscle contraction and
5 can bear full resistance.
 
at 5,10,15,30 min 
Quality of patient positioning will be assessed by the anaesthetist giving spinal anaesthesia  at 30 min 
patient satisfaction score in sitting position using a three point likert scale  at 30 min 
block administration time from ultrasound scanning to completion of drug injection  at 0 min 
number of needle passes required [number of needle redirection]  at 0 min 
ease of performance of block [ easy, moderate, difficult]  at 0 min 
Requirement of supplemental IV analgesic agents for positioning
Additional analgesia in the form of injection paracetamol 1gm IV, injection
fentanyl (1-2 mcg/ kg) IV, injection tramadol (2 mg/kg) IV will be noted.
The time, dose and drug details will be noted for giving position for central
neuraxial block 
at 30 min 
Sensory anaesthesia over anterior aspect of thigh using ether swab  at 30 min 
Complications if any (bleeding / haematoma formation, neuropathy and systemic toxicity).
Thereafter Spinal /CSE will be administered as per routine protocol.  
at 30 min 
 
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   N/A 
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="0"
Days="0" 
Recruitment Status of Trial (Global)
Modification(s)  
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   this prospective observational study will be conducted at orthopaedic operation theatre and emergency trauma operation theatres of LTMMC Sion in patients posted for hip surgery between the period of 2024-2025. A thorough preanaesthetic evaluation will be done. After obtaining written and informed consent from each subject, data such as sex, age, as well as type of fracture will be collected. The subjects fulfilling the inclusion criteria will be included in the study. Routine protocol is as follows: Standard ASA monitors (non-invasive blood pressure, pulse, oxygen saturation, and electrocardiogram) are applied and supplemental oxygen (nasal cannula at 2 L/ min) is given. Intravenous (I.V) access is secured and I.V Fluid is started. Ultrasound-guided PENG (Pericapsular nerve group)block, IPB(Illiopsoas block), FNB (femoral nerve block) or fascia iliac block or I.V fentanyl are routinely administered for pain relief for facilitating positioning for spinal anaesthesia in patients with hip fractures. Baseline parameters like VAS, Heart rate (HR), Systolic Blood pressure (SBP), Diastolic Blood Pressure (DBP), Saturation (SPO2) will be noted. Patients given PENG block or IPB will be included in the study. Patients receiving PENG block will be included in Group A, and those receiving IPB will be included in Group B. The USG blocks will be administered by a senior anaesthesiologist experienced in regional anaesthesia. After standard skin disinfection the block will be performed with a portable ultrasound machine with curvilinear probe, 2-5 MHz and 100- mm short-bevelled stimulating needle after a short introduction and explanation of the procedure. Technique for PENG block: With patient in supine position, under all aseptic precautions, the low frequency curvilinear ultrasound probe is placed over the line joining anterior superior iliac spine (ASIS) and pubic tubercle (PT) keeping lateral margin at ASIS. The probe is thereafter tilted cranially to visualize the AIIS (Anterior inferior iliac spine), iliopsoas muscle and tendon, Iliopubic eminence, the femoral artery, and the pectineus muscle.  After local infiltration (2% lignocaine 2 cc), the needle tip is placed next to the iliopsoas tendon. Drug administered routinely is 20cc 0.375% ropivacaine. Technique for IPB: With patient in supine position, under all aseptic precautions, the low frequency curvilinear ultrasound probe is placed distal to the anterior superior iliac spine in the transverse plane. The probe is then gyrated in an anticlockwise direction on right and clockwise on the left, about 30° and slid along the inguinal ligament until the head of the femur is seen enter the acetabular rim. After a local infiltration (2% lidocaine 2cc), a needle tip reaches the plane between the iliopsoas muscle and the iliofemoral ligament . Drug administered routinely is, 10 ml of 0.375% ropivacaine. Thereafter the following parameters would be monitored and compared between USG guided PENG block and IPB.Thereafter patient will be made to sit after 30 min of the block and the above parameters will be assessed. Central neuraxial block will be administered as per protocol.
 PARAMETERS TO BE STUDIED: After administration of blocks, the following parameters for the study purpose will be monitored in both the groups Heart rate, blood pressure, saturation, VAS (Visual analogue scale), onset of analgesia, additional analgesic requirement for positioning will be noted. Haemodynamic parameters  and VAS will be observed every minute in first 5 minutes and every 5 minutes for next 30 minutes. Side effects or complications if any will be noted.
 1. VAS (Visual Analogue scale) during sitting position
 2. VAS during supine position 
 I. Static 
 ii. Dynamic (Passive leg raising 15°) at 5,10,15,30 min 
iii. VAS (Visual Analogue scale) during sitting position iv. Quadriceps strength using MMT scale [0-5], where 0 is no muscle contraction and 5 can bear full resistance.
 3. Quality of patient positioning will be assessed by the anaesthetist giving spinal anaesthesia (0 = not satisfactory, 1 = satisfactory, 2 = good, 3 = optimal).
 4. patient satisfaction score in sitting position using a three point likert scale In the event of VAS score more than 5 in sitting position after 30 min, rescue analgesia will be given. The rescue analgesia /technique will be decided by senior anaesthetist in-charge. The same will be noted.
 5.block administration time from ultrasound scanning to completion of drug injection  
6.number of needle passes required [number of needle redirection]
 7.ease of performance of block [ easy, moderate, difficult]
 8.Requirement of supplemental IV analgesic agents for positioning Additional analgesia in the form of injection paracetamol 1gm IV, injection fentanyl (1-2 mcg/ kg) IV, injection tramadol (2 mg/kg) IV will be noted. The time, dose and drug details will be noted for giving position for central neuraxial block 
 9.Sensory anaesthesia over anterior aspect of thigh using ether swab 
10.Complications if any (bleeding / haematoma formation, neuropathy and systemic toxicity). Thereafter Spinal /CSE will be administered as per routine protocol.
 
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