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RECRUITING Not applicable ClinicalTrials.gov

Erector Spinae Plane Block Versus Rectus Sheath Block for Postoperative Analgesia After Supraumbilical Surgery

Sponsor: Damanhour Teaching Hospital • ClinicalTrials.gov ID: NCT05179928

Registry updated: 2026-09-21
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Description

Objectives: To compare the effectiveness of erector spinae plane block (ESPB) and rectus sheath block (RSB) in providing postoperative analgesia after supraumbilical surgery in adult patients and their impact on the patient's outcomes. Background: Supraumbilical surgery for hernia repair is the second-most-popular after surgical inguinal hernia repair and is accompanied by moderate to severe postoperative pain, so patients always require large doses of opioids within the first postoperative day. Because opioids have several adverse effects such as drowsiness, pruritus, nausea, and vomiting, regional analgesic techniques are an essential component of postoperative opioid-sparing analgesia. Previous studies have shown that regional analgesic techniques after abdominal wall surgeries can be an essential element of a postoperative pain management strategy with minimal adverse effects and hemodynamic responses. ESPB provides both somatic and visceral analgesia to the abdominal wall, through the blockade of the anterior rami of spinal nerves and the rami communicants involving sympathetic nerve fibers. RSB provides analgesia to the anterior abdominal wall from the xiphoid process to the symphysis pubis, through the blockade of the anterior rami of the 7th to 12th intercostal nerves. The dermatomal distribution of ESPB and RSB makes them ideal regional analgesic techniques after abdominal surgery, and to our knowledge, there were no previous trials that studied the difference between them. Patients and Methods: This was a prospective, randomized (1:1), double-blind clinical trial on 60 patients scheduled for elective supraumbilical surgery under general anesthesia at our hospital. Patients will be randomly allocated into two equal groups (30 patients each) and will receive: in group E; general anesthesia with postoperative bilateral ultrasound-guided ESPB, whereas in group R; general anesthesia with postoperative bilateral ultrasound-guided RSB.

Interventions

  • Erector Spinae Plane Block (ESPB) (Procedure)
    Postoperative Bilateral Ultrasound-guided ESPB
  • Rectus Sheath Block (RSB) (Procedure)
    Postoperative Bilateral Ultrasound-guided RSB

Eligibility criteria

Inclusion Criteria: * American Society of Anesthesiologists (ASA) physical status ≤ II * Age from 21 to 60 years * Body Mass Index (BMI) \< 35 kg/m² Exclusion Criteria: * American Society of Anesthesiologists (ASA) physical status \> II * Age \< 21 years or \> 60 years * Body Mass Index (BMI) ≥ 35 * Local infection at the puncture site * Altered mental status * Pregnant women * Allergy to study drugs * Chronic pain * Coagulation abnormalities or on anticoagulants * Severe hepatic or kidney disease

Conditions

Post Operative Pain

Locations

  • Damanhour Teaching Hospital — Damanhūr, El-Beheira, Egypt
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Official Source

Data sourced from ClinicalTrials.gov, a service of the U.S. National Institutes of Health.

View Official Record