Background: Postoperative pain has many adverse effects and, if not properly controlled, it may lead to a wide range of complications. Opioids, as frequently used drugs for pain control, have some serious respiratory and gastrointestinal complications, especially in obese patients.
Objectives: In this study, we planned to evaluate the effect of intraperitoneal bupivacaine lavage on postoperative pain in laparoscopic bariatric surgeries.
Setting: The study was conducted in Firoozgar Hospital (affiliated to Iran University of Medical Sciences), Tehran, Iran.
Methods: In this clinical trial, 106 patients scheduled for laparoscopic bariatric surgery, randomly assigned to receive either intraperitoneal lavage with 50 mL of .2% bupivacaine or the same volume of normal saline during the operation. One-gram intravenous paracetamol was infused for all patients at the end of surgery, and all patients received intravenous paracetamol infusion for 1 day after surgery. Pain level, assessed by visual analog scale, was recorded at 1, 4, 8, and 24 hours after surgery. Total additive analgesics administered during the first day after surgery was also recorded.
Results: The pain score during the first 24 hours after surgery decreased significantly in both groups, but comparing the groups showed that pain level at 1, 4, 8, and 24 hours after surgery in the bupivacaine group was significantly lower than the normal saline group (P < .05). Also, opioid consumption during 24 hours was significantly lower in the bupivacaine group (P < .001).
Conclusions: Intraperitoneal lavage with bupivacaine is an effective approach to control postoperative pain in obese patients undergoing laparoscopic bariatric surgery.
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| http://dx.doi.org/10.1016/j.soard.2019.10.028 | DOI Listing |
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