Efficacy Of Quadratus Lumborum II Block For Laparoscopic Sleeve Gastrectomy

• Status: Completed
• Trial end date: 2021-02-23
• Target enrollment: 0
• Participant gender: All

Summary

The QL 2 block is a novel fascial plane block recently described by Blanco and colleagues in which local anesthetic is deposited adjacent to the antero-lateral aspect of the quadratus lumborum muscle. This results in posterior spread of local anesthetic through the middle layer of the thoraco-lumbar fascia, which theoretically communicates with the paravertebral space resulting in potentially longer-lasting and denser analgesia than wound infiltration. The QL 2 block derives from the TAP block, which is also a fascial plane block that is commonly used to treat pain following surgery involving the anterior abdominal wall. However, the QL block's more posterior location has recently been shown to provide a longer lasting and more profound analgesic effect than the TAP block, possibly by communicating with the paravertebral space. Although the TAP has been shown to be effective in a variety of surgical procedures involving an anterior abdominal wall incision including laparoscopic bariatric surgery the QL 2 block has until now, not been studied in the context of bariatric surgery.

• Phase: Phase 4
• Accepts Healthy Volunteers?: No

Details

• Lead Sponsor: Icahn School of Medicine at Mount Sinai
• Treatments: Bupivacaine

Criteria

Inclusion Criteria:

• Patients scheduled to undergo laparoscopic gastric sleeve gastrectomy

• 18-65 years of age

• BMI> 35 kg/m2.

Exclusion Criteria:

• Contraindications to administration of local anesthesia (e.g. local anesthetic allergy)

• Contraindication/allergy to acetaminophen or ketorolac

• History of substance abuse or chronic opioid use

• Coagulopathy

• Patients receiving systemic anticoagulation

• Local infection

• ASA 4