Comparison of Analgesic Efficacy of US Guided ESP Block With Port Site Infiltration Following Laparoscopic Cholecystectomy

  • End date
    Jul 1, 2022
  • participants needed
  • sponsor
    Assiut University
Updated on 22 November 2021
body mass index
pain relieving


To compare the efficacy of ultrasonography (USG)-guided bilateral Erector spinae plane block (ESPB) with port-site infiltration using bupivacaine for post-operative analgesia after laparoscopic cholecystectomy with a hypothesis that both Erector spinae plane block and port-site infiltration are effective in providing post-operative analgesia.

Condition post-op pain, Post-Surgical Pain, Pain (Pediatric), Postoperative pain, post-operative pain, Pain
Treatment lidocaine 2%, Bupivacaine 0.5%, erector spinae plane block, Port site infiltration, Ultrasound machine (Mindray DP 9900 plus; Mindray Bio-Medical Electronics, Shenzhen, China)
Clinical Study IdentifierNCT04167176
SponsorAssiut University
Last Modified on22 November 2021


Yes No Not Sure

Inclusion Criteria

patients with the American Society of Anesthesiologists (ASA) physical status I/II
Age between 18 and 60 years with a body mass index (BMI) of 18-35 kg/m2
Patients scheduled for elective laparoscopic cholecystectomy

Exclusion Criteria

Allergy to local anaesthetics
Infection at the site of injection
Chronic pain syndromes
Prolonged opioid medication
Patients who received any analgesic 24 h before surgery
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