External Oblique Intercostal Block for Postoperative Pain After Laparoscopic Cholecystectomy: A Randomized Controlled Trial
Status: Recruiting
Location: See location...
Intervention Type: Other
Study Type: Interventional
Study Phase: Not Applicable
SUMMARY
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
Participation Requirements
Sex: All
Minimum Age: 18
Maximum Age: 85
Healthy Volunteers: f
View:
• 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
Locations
Other Locations
China
Tianmen First People's Hospital
RECRUITING
Tianmen
Contact Information
Primary
Shiyou Wei, Doc
lovewishyou@tongji.edu.cn
15601680288
Backup
Shiyou Y Wei
lovewishyou@tongji.edu.cn
15601680288
Time Frame
Start Date: 2026-01-15
Estimated Completion Date: 2026-07-05
Participants
Target number of participants: 56
Treatments
Experimental: EOIB Group
Participants receive bilateral ultrasound-guided external oblique intercostal block (EOIB) (15 mL of the study local anesthetic mixture per side) in addition to standard general anesthesia and standardized postoperative analgesia (IV PCA butorphanol ).
Sham_comparator: Control Group
Participants do not receive any regional block. They receive standard general anesthesia and standardized postoperative analgesia only (IV PCA butorphanol).
Related Therapeutic Areas
Sponsors
Leads: Shiyou Wei