About this trial
This trial is designed to compare the post-operative analgesic efficacy and safety of liposomal bupivacaine versus plain bupivacaine when both are used for ultrasound-guided combined suprascapular and axillary nerve block in patients undergoing elective arthroscopic shoulder surgery.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Aged 18-60 years
ASA physical status I-II
Undergoing unilateral arthroscopic shoulder surgery
The Operative time between 1and 4 hours
Disqualifiers
Anticipated operative time < 1 h or > 4 h
Severe cardiopulmonary insufficiency
Hepatic or renal dysfunction
Coagulopathy
Trial design
Parallel
Treatments tested in this trial
Group A( liposomal bupivacene)
DrugIn the experimental group, 15 mL of a mixture containing liposomal bupivacaine plus plain bupivacaine is deposited around each target nerve (20 mL liposomal bupivacene, 266 mg, combined with 10 mL 0.75 % plain bupivacaine, total 30 mL).
Group B(bupivacene)
DrugThe control group receives 15 mL of 0.25 % plain bupivacaine around each nerve. Unlike the clear solution of plain bupivacaine, liposomal bupivacaine has a distinctive milky-white appearance.
Treatment groups
Trial outcomes
Primary outcomes
Opioid consumption after surgery
The primary outcome entails tracking and assessing the total opioid consumption by participants following arthroscopic shoulder surgery. The consumption of Opioid via patient-controlled analgesia will be recorded within 72h postoperatively.
Secondary outcomes
Analgesic efficacy after surgery
To compare the analgesic efficacy of liposomal bupivacaine versus plain bupivacaine when used in ultrasound-guided combined suprascapular and axillary nerve block for arthroscopic shoulder surgery, VAS pain scores will be recorded at several time points from 0 to 72h.
Operative time
Total duration of surgery from skin incision to skin closure, measured in minutes
Length of hospital stay
Duration of hospitalization from admission to discharge, measured in days
Incidence of Allergic Reactions
Mild allergic reactions including skin rash, pruritus, urticaria, or local injection site reactions, graded using CTCAE v5.0 criteria
Locations
Sponsors and contacts
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