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CTRI Number  CTRI/2021/04/033245 [Registered on: 29/04/2021] Trial Registered Prospectively
Last Modified On: 29/04/2021
Post Graduate Thesis  Yes 
Type of Trial  Interventional 
Type of Study   Surgical/Anesthesia 
Study Design  Randomized, Parallel Group Trial 
Public Title of Study   Cannulation of Distal Radial Artery by palpation and ultrasound guidance and comparing which is a better method.  
Scientific Title of Study   Comparison of perioperative ultrasound guided versus palpatory method of cannulation of distal radial artery: A Randomised 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 Pratik Tuppad 
Designation  Junior Resident 
Affiliation  All India Institute Of Medical Sciences, Rishikesh 
Address  Department of Anaesthesiology AIIMS Rishikesh Virbhadra Road Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  7259263865  
Fax    
Email  pratiktuppad@gmail.com  
 
Details of Contact Person
Scientific Query
 
Name  Dr Ajay Kumar 
Designation  Associate Professor 
Affiliation  All India Institute Of Medical Sciences , Rishikesh 
Address  Department of Anaesthesiology AIIMS Rishikesh Virbhadra Road Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  9340482058  
Fax    
Email  ajaymishra0701@gmail.com  
 
Details of Contact Person
Public Query
 
Name  Dr Ajay Kumar 
Designation  Associate Professor 
Affiliation  All India Institute Of Medical Sciences , Rishikesh 
Address  Department of Anaesthesiology AIIMS Rishikesh Virbhadra Road Rishikesh

Dehradun
UTTARANCHAL
249203
India 
Phone  9340482058  
Fax    
Email  ajaymishra0701@gmail.com  
 
Source of Monetary or Material Support  
Department of Anaesthesiology AIIMS, Rishikesh 
 
Primary Sponsor  
Name  AIIMS Rishikesh 
Address  Virbhadra Road,Shivaji Nagar, near Barrage, Sturida Colony, Rishikesh, Uttarakhand 249203 
Type of Sponsor  Government medical college 
 
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 Pratik Tuppad  AIIMS Rishikesh  Department of Anaesthesia, Level 6, IPD building.
Dehradun
UTTARANCHAL 
7259263865

pratiktuppad@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: I083||Combined rheumatic disorders of mitral, aortic and tricuspid valves, (2) ICD-10 Condition: I257||Atherosclerosis of coronary arterybypass graft(s) and coronary artery of transplanted heart with angina pectoris, (3) ICD-10 Condition: I52||Other heart disorders in diseasesclassified elsewhere, (4) ICD-10 Condition: I279||Pulmonary heart disease, unspecified, (5) ICD-10 Condition: Q210||Ventricular septal defect, (6) ICD-10 Condition: Q211||Atrial septal defect, (7) ICD-10 Condition: C383||Malignant neoplasm of mediastinum,part unspecified, (8) ICD-10 Condition: K87||Disorders of gallbladder, biliarytract and pancreas in diseases classified elsewhere, (9) ICD-10 Condition: I362||Nonrheumatic tricuspid (valve) stenosis with insufficiency, (10) ICD-10 Condition: Q225||Ebsteins anomaly, (11) ICD-10 Condition: Q232||Congenital mitral stenosis, (12) ICD-10 Condition: I089||Rheumatic multiple valve disease,unspecified, (13) ICD-10 Condition: I342||Nonrheumatic mitral (valve) stenosis, (14) ICD-10 Condition: I358||Other nonrheumatic aortic valve disorders, (15) ICD-10 Condition: I340||Nonrheumatic mitral (valve) insufficiency, (16) ICD-10 Condition: I371||Nonrheumatic pulmonary valve insufficiency, (17) ICD-10 Condition: 4||Measurement and Monitoring, (18) ICD-10 Condition: O||Medical and Surgical,  
 
Intervention / Comparator Agent  
Type  Name  Details 
Intervention  Distal radial artery cannulation by palpatory method   The operator will palpate the distal radial arterial pulse with their nondominant hand at the point where the axis passing through the index finger and the thumb meet. The needle will be advanced toward the distal radial artery at a 15° to 30° angle until a flash back of blood is observed in the needle hub. The artery is said to be successfully cannulated once there is appearance of the waveform on the monitor. 
Comparator Agent  Distal radial artery cannulation by ultrasound guided method  The research team will use ultrasound machine (vivid iq: GE medical system (China) co. ltd., Jiangsu, P.R. China) and probe (12L-RS; GE Health Care co, Tokyo, Japan) to obtain an image of the distal radial artery at the estimated point of needle puncture. Under strict asepsis, an anesthesiologist will image radial artery using linear probe by out of plane view technique. The needle will be advanced through the skin at a 30 to 40 degree angle until the hyperechoic needle tip is seen on the ultrasound image. The ultrasound probe will then be moved proximally along the arm and away from the needle insertion point until the needle tip disappears from the ultrasound image The needle will then be advanced a few millimeters until the needle tip is seen again on the ultrasound image and blood starts flowing out of the needle hub (dynamic needle tip positioning). A guidewire will be threaded through the needle hub. After confirmation of guidewire in the radial artery, the catheter will be rail -roaded over it. Guide wire will be removed and high-pressure line will be attached at the catheter hub and pressure waves will be confirmed on the monitor. Pressure waves on the monitor will be the culmination of the procedure. 
 
Inclusion Criteria  
Age From  18.00 Year(s)
Age To  65.00 Year(s)
Gender  Both 
Details  1. Age between 18 – 65 years
2. American Society of Anesthesiology physical Status (ASA PS) I-III
3. Patients undergoing elective major surgeries requiring arterial
cannulation. 
 
ExclusionCriteria 
Details  1. Absent or feeble arterial pulsation.
2. Refusal to participate.
3. Severe hypotension requiring inotropes.
4. Hemorrhagic shock
5. Skin erosions near the insertion site.(infection)
6. morbid obesity
7. History of peripheral vascular disease
8. Patients with negative Modified Allen’s test
9. Emergency surgeries
10. American society of Anaesthesiology physical status (ASA-PS)
IV
11. Age below 18 years and above 65 years 
 
Method of Generating Random Sequence   Computer generated randomization 
Method of Concealment   Sequentially numbered, sealed, opaque envelopes 
Blinding/Masking   Investigator Blinded 
Primary Outcome  
Outcome  TimePoints 
Comparison of first attempt success rate  5 minutes 
 
Secondary Outcome  
Outcome  TimePoints 
1. To compare degree of bias in MAP measurement obtained from distal
radial artery and femoral artery.
2. To compare the total number of attempts for successful cannulation.
3. To compare the cannulation time.
4. To compare the complication with multiple attempts
5. To compare the ease of cannulation and ergonomics for the
anaesthesiologist using the VAS (visual analog scale).
 
24 hours 
 
Target Sample Size   Total Sample Size="100"
Sample Size from India="100" 
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)   03/05/2021 
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)   Not Applicable 
Recruitment Status of Trial (India)  Not Yet Recruiting 
Publication Details   None 
Individual Participant Data (IPD) Sharing Statement

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

Response - NO
Brief Summary   Radial artery has been used for invasive arterial BP monitoring and serial ABG sampling. Distal radial artery (DRA) has been used for coronary angiography and intervention . We have proposed that DRA can be used for Invasive BP monitoring and serial ABG sampling as well. The advantage over the conventional site being, possible less incidence of complications as the DRA has given off enough collateral arteries to the digits. We want to compare the first pass success rate between ultrasound guided cannulation of DRA and palpatory method of cannulation .  
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