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Four-week omega-3 polyunsaturated fatty acids supplementation for liver left lateral section volume reduction in individuals with morbid obesity undergoing bariatric surgery: A double blind, multicenter, randomized placebo-controlled trial.

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BACKGROUND Liver steatosis in morbidly obese individuals undergoing bariatric surgery increases liver volume and may complicate the surgical procedure. This study aimed to assess whether a 4-week supplementation with omega-3… Click to show full abstract

BACKGROUND Liver steatosis in morbidly obese individuals undergoing bariatric surgery increases liver volume and may complicate the surgical procedure. This study aimed to assess whether a 4-week supplementation with omega-3 polyunsaturated fatty acids (PUFA) is effective in reducing liver left lateral section (LLLS) volume. PATIENTS AND METHODS This randomized controlled trial included morbidly obese individuals with metabolic syndrome undergoing bariatric surgery at 3 French bariatric centers between 2017 and 2020. The experimental group had a 4-week preoperative supplementation with omega-3 PUFA, whereas the control group had only placebo. The primary outcome was the reduction of the LLLS volume measured with Magnetic Resonance Imaging (MRI). RESULTS 42 patients were randomized and 37 completed the study (19 in the experimental group and 18 in the placebo group). The mean LLLS volume decreased of 3.3% (±9.6) in the experimental group vs 1.0% (±18.3) in the placebo group, indicating that omega-3 PUFA were not effective in reducing the LLLS volume compared to the placebo (p = 0.3741). Omega-3 PUFA supplementation was not effective in reducing total liver volume, liver steatosis, rate of liver injuries during surgery and operative time. CONCLUSION A 4-week preoperative supplementation with omega-3 PUFA was not effective in reducing LLLS volume in morbidly obese individuals undergoing bariatric surgery.

Keywords: undergoing bariatric; supplementation; volume; surgery; week; bariatric surgery

Journal Title: International journal of surgery
Year Published: 2022

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