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CTRI Number  CTRI/2024/12/078133 [Registered on: 16/12/2024] Trial Registered Prospectively
Last Modified On: 02/12/2024
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   To see the success rate of radia artery cannulation after blocking median nerve in old age patients with the help of ultrasound  
Scientific Title of Study   Effect of median nerve block on the success rate of ultrasound guided radial artery cannulation in elderly patients, a randomized controlled 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  DENADHAYALAN N 
Designation  Junior Resident  
Affiliation  AIIMS Jodhpur 
Address  Department of Anaesthesiology and Critical care, AIIMS Jodhpur, Bassi Industrial Area Phase 2, Jodhpur- 342005, Rajasthan

Jodhpur
RAJASTHAN
342005
India 
Phone  8883739523  
Fax    
Email  denadhayalan26@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  ANKUR SHARMA  
Designation  Additional Professor 
Affiliation  AIIMS Jodhpur 
Address  Department of Anaesthesiology and Critical care, AIIMS Jodhpur, Basni Industrial Area Phase 2, Jodhpur -342005, Rajasthan

Jodhpur
RAJASTHAN
342005
India 
Phone  9654045653  
Fax    
Email  ankuranaesthesia@gmail.com  
 
Details of Contact Person
Public Query
 
Name  DENADHAYALAN  
Designation  Junior Resident 
Affiliation  AIIMS Jodhpur  
Address  Department of Anaesthesiology and Critical care, AIIMS Jodhpur, Bassi Industrial Area Phase 2, Jodhpur- 342005, Rajasthan

Jodhpur
RAJASTHAN
342005
India 
Phone  8883739523  
Fax    
Email  denadhayalan26@gmail.com  
 
Source of Monetary or Material Support  
All India Institute of Medical Sciences(AIIMS), JODHPUR  
 
Primary Sponsor  
Name  All India Institute of Medical Sciences AIIMS Jodhpur  
Address  Basni Industrial Area Phase 2, Jodhpur, Rajasthan, India - 342005 
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 DENADHAYALAN   All India Institute of Medical Sciences Jodhpur   Department of Anaesthesiology and Critical Care,3rd floor, D n T block, AIIMS Jodhpur, Basni Industrial Area Phase 2 , Jodhpur- 342005
Jodhpur
RAJASTHAN 
8883739523

denadhayalan26@gmail.com 
 
Details of Ethics Committee  
No of Ethics Committees= 1  
Name of Committee  Approval Status 
Institutional Ethics Committee AIIMS JODHPUR   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  Median Nerve block  Single shot of 5ml of 0.5% lidocaine will be injected for median nerve block under ultrasound guidance in the middle of forearm with forearm in supine position using 22G stimuplex needle. 
Comparator Agent  Without Median Nerve Block  Patients for whom intra arterial line is taken under ultrasound guidance without median nerve block. Procedure starts with the beginning of ultrasound scanning in both groups and ends when arterial free backlog is achieved. It is considered as technique failure if not able to cannulate in 3 attempts. 
 
Inclusion Criteria  
Age From  65.00 Year(s)
Age To  95.00 Year(s)
Gender  Both 
Details  Elderly patients (65 years or above) undergoing major surgeries where intra arterial line is required for continuous BP monitoring/arterial blood sampling.  
 
ExclusionCriteria 
Details  Signs of skin infection or a wound near puncture site .

Abnormal circulation of the hand that is Allens test positive .
Lignocaine allergy .
 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   On-site computer system 
Blinding/Masking   Not Applicable 
Primary Outcome  
Outcome  TimePoints 
Success rate of cannulation in first attempt.  At baseline(intra operative period) 
 
Secondary Outcome  
Outcome  TimePoints 
Radial artery diameter before & 10 minutes after the block.
Time taken for cannulation.
Total number of attempts made.
Complications related to procedure (hematoma, bleeding, thrombosis)
 
At baseline (intra operative period) 
 
Target Sample Size   Total Sample Size="120"
Sample Size from India="120" 
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 3/ Phase 4 
Date of First Enrollment (India)   01/01/2025 
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   An attending anaesthesiologist would examine the patient during the preoperative visit one day prior to surgery. Informed and written consent for participation in the study will be taken in the preoperative period.
In preoperative area,all baseline vitals will be recorded. Patients will be allocated in two groups , intervention group M and control group C by computer generated algorithm. The group allocation number will be concealed in sealed opaque envelopes and a staff member not involved with the patient at any time will open the sealed envelope.
All standard ASA monitoring will be attached to the patient in the operating room. Radial artery diameter will be measured in both the groups under ultrasound guidance before arterial cannulation. All aseptic precautions will be carried out . For the control group C, radial artery cannulation will be attempted under ultrasound guidance. For the intervention group M , median nerve block will be performed under the guidance of ultrasound in the middle of forearm which is placed in supine position using 22G stimuplex needle with 5 ml of 0.5% lidocaine. Radial artery cannulation to done under ultrasound guidance after the block. The procedure is considered a success once arterial back flow is achieved. It is considered as failure if not able to cannulate in 3 attempts. Radial artery diameter 10 minutes after the block, number of attempts, cannulation time and complications related to the procedure will be recorded. Post procedure vitals will be recorded.

 
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