Minimum Effective Volume for Selective Trunk Block

• Status: Recruiting
• Trial end date: 2022-01-01
• Target enrollment: 0
• Participant gender: All

Summary

The objective of this study is to identify the minimum effective dosage of a mixture of two local anaesthetic drugs called 'levobupivacaine' and 'lignocaine with epinephrine" used to produce an effective ultrasound guided selective trunk block for surgical anaesthesia of the upper limb.

• Phase: N/A
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Chinese University of Hong Kong
• Treatments: Epinephrine; Levobupivacaine; Lidocaine

Criteria

Inclusion Criteria:

• American Society of Anesthesiologists (ASA) physical status I-III scheduled to undergo elective upper extremity surgery involving the proximal humerus to distal hand or surgery involving any combination of these regions.

Exclusion Criteria:

• Patient refusal

• pregnancy

• skin infection at the site of block placement

• history of allergy to local anaesthetic drugs

• history of bleeding tendency or with evidence of coagulopathy

• pre-existing neurological deficit

• pre-existing neuromuscular disease.