期刊
INTERNATIONAL JOURNAL OF EATING DISORDERS
卷 55, 期 1, 页码 141-144出版社
WILEY
DOI: 10.1002/eat.23649
关键词
anorexia nervosa; diet; nutritional intake; purging; uric acid
This observational study investigated serum uric acid levels in patients with extreme forms of eating disorders at admission and discharge. It found that most severe AN-R patients had low-normal uric acid levels, while AN-BP patients had higher levels, which increased with nutritional intake and weight gain. Checking UA levels on admission may have clinical value for patients with eating disorders.
Objective To investigate serum uric acid (UA) levels in patients with extreme forms of eating disorders, at admission and discharge, following weeks of nutritional rehabilitation and weight restoration. Method This observational study enrolled 160 patients diagnosed with anorexia nervosa restricting subtype (AN-R), AN binge-purge subtype (AN-BP), or avoidant restrictive food intake disorder (ARFID). Serum UA levels were drawn on admission and discharge. Results Most of the cohorts were admitted with serum UA levels on the lower end of normal. Mean serum uric level for women was 4.3 mg/dl (SD: 2.3). Patients diagnosed with AN-BP had significantly higher UA levels on admission compared to patients with AN-R and ARFID; p < .0001, eta(2) = 0.13. High UA levels positively correlated with purging and admission serum blood urea nitrogen (r = .5, p = .009). Discussion Serum UA levels tended to be in the low-normal range in most patients with severe AN-R, but not in AN-BP. However, levels did increase with nutritional intake and weight gain. There may be clinical value in checking UA levels on admission for patients with eating disorders.
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