About this trial
This prospective, randomized, controlled, assessor-blinded trial will evaluate whether bilateral ultrasound-guided external oblique intercostal block (EOIB) reduces postoperative opioid consumption and improves pain control after laparoscopic cholecystectomy, compared with no block.
Eligibility criteria
Qualifiers
Aged 18-85 years, regardless of gender
American Society of Anesthesiologists (ASA) physical status classification I-III
Scheduled for elective laparoscopic cholecystectomy
Ability to use the intravenous patient-controlled analgesia (IV PCA) system
Disqualifiers
Hepatic disease (e.g., liver enzyme levels ≥ 2× the upper limit of normal)
Renal disease (e.g., serum creatinine levels ≥ 2× the upper limit of normal)
Allergy or known hypersensitivity to local anesthetics
Females who are pregnant or lactating
Trial design
Treatments tested in this trial
- External oblique intercostal block (EOIB)
- Standard care without regional block
Treatment groups
Sponsors and collaborators
Shiyou Wei
Lead sponsor
Shanghai Pulmonary Hospital, Shanghai, China
Sponsor institution