Minimum Effective Local Anesthetic Volume for Ultrasound Guided Superior Trunk Block

Recruiting now · Not applicable

Conditions studied: Musculoskeletal Diseases or Conditions

In brief

The objective of this study is to identify the minimum effective dosage of a commonly used local anaesthetic drug "levobupivacaine" required to produce an effective ultrasound guided (USG) superior trunk block (STB) in at least 90% of patients for shoulder arthroscopic surgeries.

Key facts

Study ID

NCT04941664

Run by

Chinese University of Hong Kong

People needed

25

Starts

2023-01-19

Expected to finish

2026-08-31

Last updated by the study team

2025-04-13

Who can join

Age: 18 and older, up to 75. Sex: any. Healthy volunteers: not accepted.

You may qualify if…

• American Society of Anesthesiologists (ASA) physical status I-III scheduled to undergo elective upper shoulder arthroscopic rotator cuff repair procedure

You may not qualify if…

• Patient refusal
• pregnancy
• skin infection at the site of block placement
• history of allergy to local anaesthetic drugs
• bleeding tendency or with evidence of coagulopathy
• pre-existing neurological deficit or neuromuscular disease.

Where it is running

• Department of Anaesthesia & Intensive Care, Prince of Wales Hospital — Shatin, New Territories, Hong Kong (enrolling)

Full record on ClinicalTrials.gov

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