Roux-en-Y gastric bypass surgery alters serum metabolites and fatty acids in patients with morbid obesity.

Diabetes Metab Res Rev · 2018 · PMC6238211 · PMID 30003682

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an increasing trendno p-value reported

26 We observed an increasing trend in serum 3‐hydroxybutyrate (a ketone body) levels at 2 weeks post RYGB, and significantly lower levels at 6 months post‐RYGB compared with pre‐surgery along with significant reductions of acetone and NEFAs at 6 months post RYGB compared with pre‐surgery.

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