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Excess of adiposity in female children and adolescents with juvenile idiopathic arthritis.
MedLine Citation:
PMID:  22362257     Owner:  NLM     Status:  Publisher    
Abstract/OtherAbstract:
This study aims to evaluate the body composition (BC) of female children and adolescents with juvenile idiopathic arthritis (JIA). A cross-sectional, controlled study was performed to compare the BC between 42 JIA girls and 35 healthy controls, matched for age and gender. Weight and height were used to calculate body mass index (BMI), classified as a Z-score (Z-BMI). BC was evaluated by dual-energy X-ray absorptiometry (DXA; DPX-L, Lunar). The fat mass index (FMI) was calculated as the ratio between total fat mass and height squared (kilograms per square metre). The lean mass index (LMI) was calculated as the ratio between total lean mass and height squared (kilograms per square metre). In JIA patients, the median of age was 13 years (6-19) and median disease duration was 84 months (10.0-215.0). The main disease subtype was polyarticular arthritis (54.8%). We observed that 61.9% of patients had normal Z-BMI. JIA girls had higher median Z-BMI scores (0.17 vs. -0.48, p = 0.034), total body fat percentages (26.5% vs. 16.4%, p = 0.001), truncal fat (4.52 vs. 2.32, p = 0.011) and FMI (4.83 vs. 2.23, p < 0.001). For LMI, there was no difference between JIA girls and controls (13.45 vs. 12.45, p = 0.212). We did not find association between FMI and age, disease subtype, number of limited and/or active joints, months since diagnosis and use of corticosteroids or methotrexate. BC changes found in JIA girls, such as fatness and adiposity, indicate a potentially greater risk for developing hypertension, diabetes mellitus and cardiovascular diseases. These findings emphasise the importance of evaluating nutritional status and body composition to minimise the emergence of chronic diseases later in life.
Authors:
Michelle Cavalcante Caetano; Roseli Oselka Saccardo Sarni; Maria Teresa Lemos Terreri; Thaís Tobaruela Ortiz; Marcelo Pinheiro; Fabíola Isabel Suano de Souza; Maria Odete Hilário
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Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-2-24
Journal Detail:
Title:  Clinical rheumatology     Volume:  -     ISSN:  1434-9949     ISO Abbreviation:  -     Publication Date:  2012 Feb 
Date Detail:
Created Date:  2012-2-24     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8211469     Medline TA:  Clin Rheumatol     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Affiliation:
Pediatric Rheumatology, Federal University of São Paulo, Rua René Zamlutti, 94 apt. 52, São Paulo, SP, CEP: 04116 260, Brazil.
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