Elevated Liver Enzymes in an Adult Male With Anorexia Nervosa: A Case Report

Kintrilis, Nikolaos

doi:10.7759/cureus.31367

Cited by 1 publication

(1 citation statement)

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“…Starvation has been found to cause hepatocyte injury with mild-to-severe increases in liver enzyme levels [ 3 , 4 ]. Although the exact pathophysiology of hepatic dysfunction associated with AN is unknown, patients with AN are known to have hepatic dysfunction with autophagy [ 5 ].…”

Section: Introductionmentioning

confidence: 99%

Choosing Appropriate Nutritional Therapy for Patients With Anorexia Nervosa Exhibiting Liver Dysfunction: A Case Report

Tsutsumi,

Okamoto,

Tesen

et al. 2024

Cureus

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Anorexia nervosa (AN) presents with a variety of physical complications such as hypoglycemia, electrolyte abnormalities, and dehydration associated with starvation, requiring rapid weight gain through nutritional therapy. However, despite nutritional therapy, patients are at risk of many serious medical complications, including hypoglycemia, hypophosphatemia, edema, and liver damage. Starvation has been found to cause hepatocyte injury with mild-to-severe increases in liver enzyme levels, and distinguishing between autophagy and refeeding syndrome is important for treatment strategies. Herein, we report a rare case of sudden liver injury after the initiation of nutritional therapy in a patient with AN. A 35-year-old woman was admitted to our hospital for the treatment of weight loss due to AN. Nutritional therapy was initiated at 600 kcal/day and increased to 1500 kcal/day on the 21st day of admission. On the 22nd day after admission, rapid liver injury was observed, with an aspartate aminotransferase level of 141 U/L and an alanine aminotransferase level of 221 U/L. After the exclusion of refeeding syndrome, since there was no evidence of hypokalemia, hypophosphatemia, or fatty liver disease based on blood tests and abdominal echography, we diagnosed starvation-induced hepatocyte autophagy, and she was treated with the same calories. Her liver dysfunction gradually improved thereafter. This case report highlights the clinical utility of identifying the etiology of hepatic dysfunction in patients with AN. Clinicians must make appropriate decisions regarding continuing or reducing nutritional therapy based on relevant tests when patients with AN develop liver dysfunction after the initiation of nutritional therapy.

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Section: Introductionmentioning

confidence: 99%