{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T23:43:24Z","timestamp":1769557404306,"version":"3.49.0"},"reference-count":87,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2026,1,24]],"date-time":"2026-01-24T00:00:00Z","timestamp":1769212800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Metabolites"],"abstract":"<jats:p>Juvenile idiopathic arthritis (JIA) is the most prevalent chronic rheumatologic condition in childhood, with an incidence that continues to rise worldwide. Despite substantial progress in therapeutic strategies over the past two decades, JIA remains a major health concern. Beyond joint inflammation and musculoskeletal impairment, accumulating evidence indicates that JIA is associated with metabolic disturbances and altered body composition, which may predispose affected children to an elevated cardiovascular risk in the long term. The objective of this review is to synthesize current knowledge on these metabolic and anthropometric alterations and to evaluate the role of non-invasive diagnostic methods in detecting early cardiovascular changes. A narrative review of the literature was conducted using PubMed and Scopus databases, focusing on studies assessing lipid metabolism, insulin resistance, adiposity, and cardiovascular markers in pediatric patients with JIA. Special attention was given to non-invasive diagnostic approaches, including bioelectrical impedance analysis (BIA), dual-energy X-ray absorptiometry (DXA), skinfold thickness, transient elastography, carotid intima\u2013media thickness (cIMT), as well as selected biochemical markers. Evidence suggests that children with JIA frequently present with dyslipidemia, increased insulin resistance, and abnormal body fat distribution compared with their healthy peers. Non-invasive assessment methods, particularly DXA and cIMT, have demonstrated sensitivity in detecting subclinical metabolic and vascular changes. These alterations resemble early features of metabolic syndrome and are thought to contribute to premature cardiovascular morbidity in this population. Incorporating non-invasive cardiovascular risk assessment into routine rheumatology practice may improve early detection of metabolic and vascular complications in JIA, support timely preventive interventions, and ultimately enhance long-term outcomes for affected children. Most available evidence is derived from cross-sectional studies, highlighting the need for longitudinal investigations to better define long-term cardiometabolic risk in JIA.<\/jats:p>","DOI":"10.3390\/metabo16020090","type":"journal-article","created":{"date-parts":[[2026,1,27]],"date-time":"2026-01-27T09:21:40Z","timestamp":1769505700000},"page":"90","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":0,"title":["Metabolic and Anthropometric Alterations in Juvenile Idiopathic Arthritis: A Focus on Cardiometabolic Risk and Non-Invasive Evaluation Methods"],"prefix":"10.3390","volume":"16","author":[{"ORCID":"https:\/\/orcid.org\/0009-0002-8741-8970","authenticated-orcid":false,"given":"Agnieszka","family":"Janu\u015b","sequence":"first","affiliation":[{"name":"Department of Paediatric Cardiology and Rheumatology, Medical University of Lodz, 91-738 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1487-7156","authenticated-orcid":false,"given":"Justyna","family":"Roszkiewicz","sequence":"additional","affiliation":[{"name":"Department of Paediatric Cardiology and Rheumatology, Medical University of Lodz, 91-738 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-8421-0448","authenticated-orcid":false,"given":"El\u017cbieta","family":"Smolewska","sequence":"additional","affiliation":[{"name":"Department of Paediatric Cardiology and Rheumatology, Medical University of Lodz, 91-738 Lodz, Poland"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"1968","published-online":{"date-parts":[[2026,1,24]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"103337","DOI":"10.1016\/j.autrev.2023.103337","article-title":"A comprehensive overview of juvenile idiopathic arthritis: From pathophysiology to management","volume":"22","author":"Bansal","year":"2023","journal-title":"Autoimmun. 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