Objective: Given the role of celiac plexus block (CPB) in the management of chronic pain, we sought to investigate the utility of CPB in the control of postoperative pain in major hepato-pancreato-biliary surgeries.
Summary background data: CPB has been in practice for decades for the management of upper abdominal visceral pain, especially in cancer patients. Typically, in this group of patients with chronic pain, a neurolytic agent is injected to cause irreversible neural damage to achieve pain control. We apply this concept to postoperative pain control by injecting bupivacaine to the celiac plexus instead of a neurolytic agent. We aim to investigate if this novel technique decreases postoperative opioid usage, offers better pain relief and leads to earlier ambulation.
Methods: A retrospective, single institution study comparing consecutive patients who received intraoperative CPB and preperitoneal infusion with patients who received only preperitoneal infusion in open hepato-pancreato-biliary surgery between the years 2016 and 2019 by a single surgeon. Patients with incomplete data on patient-controlled analgesia usage and postoperative ambulation information were excluded.
Results: Patients with CPB used 31% less morphine on postoperative day 1 compared to patient without CPB and 42% less morphine on postoperative day 2. Overall average morphine usage was significantly lower in patients with CPB. Duration of patient-controlled analgesia was shorter for patient with CPB compared with patient without CPB. The dynamic visual analogue score was marginally better in patients with CPB. Time to ambulation was similar in both groups.
Conclusions: CPB can be considered as part of a multimodal approach for postoperative pain management in open hepato-pancreato-biliary surgeries.
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