About this trial
This prospective randomized controlled trial is designed to evaluate the analgesic efficacy of ultrasound-guided rectointercostal plane block (RICPB) in patients undergoing elective laparoscopic cholecystectomy. Patients will be randomized to receive unilateral right-sided RICPB at the end of surgery. Postoperative opioid consumption, Numeric Rating Scale (NRS) pain scores, and postoperative complications will be assessed to determine the effectiveness of RICPB in postoperative pain management.
Eligibility criteria
This trial does not accept healthy volunteersQualifiers
Age between 18 and 65 years
American Society of Anesthesiologists (ASA) physical status I-III
Scheduled for elective laparoscopic cholecystectomy
Body mass index (BMI) between 18 and 35 kg/m²
Disqualifiers
Refusal to participate or inability to provide informed consent
Known allergy or hypersensitivity to local anesthetics, opioids, or study medications
Chronic opioid use or chronic pain syndrome
Coagulation disorders or ongoing anticoagulant therapy
Trial design
Parallel
Treatments tested in this trial
Rectointercostal Plane Block
Procedure/SurgeryUltrasound-guided unilateral right-sided rectointercostal plane block (RICPB) will be performed at the end of surgery before emergence from anesthesia. A total of 30 mL of 0.25% bupivacaine will be injected into the rectointercostal plane under ultrasound guidance.
Port-Site Local Anesthetic Infiltration
Procedure/SurgeryConventional port-site local anesthetic infiltration will be performed at the end of surgery according to the study protocol to provide postoperative analgesia.
Treatment groups
Trial outcomes
Primary outcomes
Cumulative Postoperative Morphine Consumption
Total morphine consumption administered via patient-controlled analgesia during the first 24 hours after surgery will be recorded.
Secondary outcomes
Postoperative Pain Scores
Pain intensity will be assessed using the Numeric Rating Scale (NRS; 0-10) at predefined postoperative time points. NRS, ranging from 0 to 10, where 0 indicates no pain and 10 indicates the worst pain imaginable. Higher scores indicate worse pain.
Rescue Analgesic Requirement
The requirement for rescue analgesia during the first 24 postoperative hours will be recorded. Rescue analgesia will be administered according to the study protocol when the NRS pain score is 4 or higher.
Postoperative Complications
The incidence of postoperative complications, including postoperative nausea and vomiting (PONV), pruritus, respiratory complications, and other adverse events occurring during the postoperative period, will be recorded.
Sponsors and contacts
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