Paragastric Block for Pain and PONV in Sleeve Gastrectomy

This single-center, prospective, randomized, double-blind controlled trial aims to evaluate the effects of intraoperative paragastric block (PGBLOCK) on early postoperative visceral pain, postoperative nausea and vomiting (PONV), and analgesic requirements in patients undergoing laparoscopic sleeve gastrectomy (LSG). Despite advancements in multimodal analgesia protocols, visceral pain remains a significant postoperative concern following LSG, contributing to increased opioid use and delayed recovery. Paragastric block is a novel technique targeting autonomic neural pathways-such as branches of the celiac ganglia and vagal nerves-through precise intraoperative injection of local anesthetics near the stomach. A total of 180 patients scheduled for elective LSG will be randomized in a 1:1 ratio to receive either paragastric block with 20 mL of 0.5% bupivacaine or a sham block with 20 mL of isotonic saline. Injections will be administered at six predefined anatomical sites under laparoscopic guidance after gastric resection. The surgical technique, anesthetic protocol, and postoperative care will be standardized for all participants. Both patients and clinical personnel involved in care and outcome assessment will remain blinded to group assignment. The primary outcome is the assessment of postoperative visceral pain using Visual Analog Scale (VAS) scores at 0 and 2 hours postoperatively. Secondary outcomes include PONV severity grading, mobilization status, total analgesic con…

This description comes directly from the study's public registry record.

Abdullah Sisik, MD, Professor of General Surgery  ·  +905327252381  ·  abdullahsisik@gmail.com

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