Significant Liver-Related Morbidity After Bariatric Surgery and Its Reversal—a Case Series

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Obesity is linked to nonalcoholic fatty liver disease (NAFLD), affecting up to 80% of obese individuals and potentially leading to severe liver complications.
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Bariatric surgery is an effective treatment for obesity that can reverse liver dysfunction in most patients with NAFLD, improving liver steatosis and fibrosis.
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Despite benefits, some patients experience increased liver fibrosis post-surgery, though severe complications like cirrhosis are rare.
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Roux-en-Y gastric bypass (RYGB) and one-anastomosis gastric bypass (OAGB) are the most common bariatric procedures, with minimal reported liver deterioration.
5

In a case series, liver dysfunction occurred after bariatric surgery in 10 patients, with a median onset of 15 months post-operation.

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