About this trial
Post-tourniquet pain remains a common problem. It disturbs the quality of anesthesia during brachial plexus block for distal upper-limb surgery. Current evidence shows that adding an intercostobrachial nerve block using the landmark-based technique can improve analgesia for medial upper-arm procedures.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Elective unilateral distal upper-limb surgery (hand, wrist or forearm) with use of pneumatic upper-arm tourniquets under ultrasound-guided brachial plexus block.
Disqualifiers
Coagulopathy or therapeutic anticoagulation.
Local infection at injection sites.
Chronic opioid dependence.
Trial design
Parallel
Treatments tested in this trial
Selective ultrasound guided Intercostobrachial nerve block
Procedure/SurgeryThe patient will be positioned supine with the ipsilateral arm abducted. The ultrasound transducer will be positioned in the axilla along the mid-axillary line to visualize the thoracodorsal artery and vein and the fascia between the latissimus dorsi and serratus anterior muscles. The Intercostobrachial nerve often appears as a small hyperechoic structure lateral to the thoracodorsal vessels.
Serratus anterior plane block
Procedure/SurgeryThe ultrasound transducer will be placed at the mid-axillary line at the level of the fourth or fifth rib to identify and inject a local anaesthetic drug in the plane between the latissimus dorsi and serratus anterior muscles.
Treatment groups
Trial outcomes
Primary outcomes
Tourniquet pain degree
The visual analogue score of tourniquet pain at the end of first 60 minutes of tourniquet inflation with score 10 indicates worst pain and score 0 indicates no pain.
Secondary outcomes
Duration of tourniquet application.
The time from tourniquet inflation to tourniquet deflation.
Locations
Sponsors and contacts
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