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

Damanhour Teaching Hospital

Status: Enrolling

Conditions: Post Operative Pain

Treatments: Procedure: Rectus Sheath Block (RSB); Procedure: Erector Spinae Plane Block (ESPB)

Study type: Interventional

Funder types: Other

Identifiers

NCT05179928

DTH: 21004

Details and patient eligibility

About

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.

Enrollment: 60 estimated patients

Sex: All

Ages: 21 to 60 years old

Volunteers: No Healthy Volunteers

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

Trial design

Primary purpose: Prevention

Allocation: Randomized

Interventional model: Parallel Assignment

Masking: Double Blind

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60 participants in 2 patient groups

Group E (n=30)

Active Comparator group

Description:

Erector Spinae Plane Block

Treatment:

Procedure: Erector Spinae Plane Block (ESPB)

Group R (n=30)

Active Comparator group

Description:

Rectus Sheath Block

Treatment:

Procedure: Rectus Sheath Block (RSB)