Minimum Effective Volume of 0.5 % Ropivacaine(local anaesthetic drug) for Ultrasound guided Costoclavicular block(Infraclavicular Brachial Plexus Block)

Not yet recruiting

• Conditions: Placement,

• Registration Number: CTRI/2021/01/030527
• Lead Sponsor: VMMC and Safdarjung Hospital

Brief Summary

The purpose of this prospective interventional study is to evaluate the Minimum effective volume of 0.5 % Ropivacaine for Ultrasound guided Costoclavicular block by starting with a defined volume of drug (20 ml)and titrating according to block success(reducing 2 ml for next patient) and block failure(increasing 2 ml for the next patient)

Detailed Description

Not available

Study Timeline

• Study Start: 2021-02-15
• Last Update Posted: 2021-06-01

Recruitment & Eligibility

• Status: Not Yet Recruiting
• Sex: All
• Target Recruitment: 40

Inclusion Criteria

All Adults posted for Elbow Forearm Wrist and Hand surgeries ASA grade I/II Body Mass Index 18 to 35 kg /m 2.

Exclusion Criteria

Sepsis or Infection at the site of Injection Pre-existing Peripheral Neuropathy and Coagulation disorder Known Allergy to Local Anaesthetic drugs.

Study & Design

• Study Type: Interventional
• Study Design: Not specified

Primary Outcome Measures

Name	Time	Method
Minimum Effective Volume of 0.5% Ropivacaine is calculated by titrating the volume of the drug according to block success or failure in previous patient.Block Success is when Minimal Composite score of 14 out of 16 points achieved(Total Composite score is 16;8 for Sensory and 8 for Motor blockade)Onset of Sensory blockade assessed by cold test(0 no block,1 Analgesia-can feel touch not cold,2 Anaesthesia-cannot feel touch)and Motor blockade by a 3 point scale(0 no block,1 paresis,2 paralysis)	8 time points:time 1, immediately after the procedure;time 2,five minutes after completion of the procedure;time 3,ten minutes after the procedure;time 4, fifteen minutes after the procedure;time 5, twenty minutes after the procedure;time 6, twenty five minutes after the procedure;time 7,thirty minutes after the procedure,time 8,thirty five minutes after the procedure

Secondary Outcome Measures

Name	Time	Method
To assess the Onset time of blockade(time from the injection of LA to achieving a Minimal Composite score of 14)and block performance time(Sum of Imaging time-Time interval between contact of USG probe and getting a satisfactory picture plus needling time-From Start of Skin wheal to the end of Local Anaesthetic injection)	8 time points:time 1, immediately after the procedure;time 2,five minutes after completion of the procedure;time 3,ten minutes after the procedure;time 4, fifteen minutes after the procedure;time 5, twenty minutes after the procedure;time 6, twenty five minutes after the procedure;time 7,thirty minutes after the procedure,time 8,thirty five minutes after the procedure

Trial Locations

Locations (1)

VMMC and Safdarjung Hospital; 🇮🇳 Delhi, DELHI, India

VMMC and Safdarjung Hospital

🇮🇳Delhi, DELHI, India

Thanuja

Principal investigator

8667821052

thanujabhaskar95@gmail.com