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Nutrición Hospitalaria

On-line version ISSN 1699-5198Print version ISSN 0212-1611

Abstract

ZHENG, Ying et al. Circulating leptin levels in the assessment of Crohn’s disease activity and its relation to nutritional status. Nutr. Hosp. [online]. 2024, vol.41, n.1, pp.130-137.  Epub Mar 07, 2024. ISSN 1699-5198.  https://dx.doi.org/10.20960/nh.04572.

Objective:

to evaluate leptin levels and its relation to nutritional status in Crohn’s disease (CD).

Methods:

the study included 154 CD patients and healthy controls. Leptin level was determined before treatment. Nutrition levels were assessed using the Nutrition Risk Screening 2002 (NRS-2002) and Patient-Generated Subjective Global Assessment (PG-SGA). Indicators included body mass index (BMI), mid-arm circumference, the circumference of the upper-arm muscle, triceps skinfold thickness, and circumference of legs.

Results:

leptin levels differed between CD patients (1,025 ± 874 ng/ml) and controls (18,48 ± 1,222 ng/ml). Significant differences were seen in NRS-2002, PG-SGA scores, BMI and other nutritional indicators. Negative correlations were observed between leptin and NRS-2002, PG-SGA scores, while positive correlations were observed with other nutritional indicators. The receiver operating characteristic (ROC) curve showed association between leptin and the diagnosis of CD, suggesting leptin concentration below 803.02 ng/ml as a threshold for CD.

Conclusion:

dysfunctional leptin regulation may relate to poor nutritional status associated with CD. The leptin level is thus an additional tool for evaluating CD patients, predicting disease activity and clinical response. Leptin may be a potential target for intervention in CD to improve nutritional status.

Keywords : Crohn’s disease; Leptin; Nutrition; Crohn’s disease activity index; Nutritional status.

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