Background Hypovitaminosis D is common in the general population. Although many studies on 25-hydroxyvitamin D (25(OH)D) are available on systemic lupus erythematosus (SLE), few data are reported in juvenile-onset SLE (JSLE) patients.DesignThis study aimed to assess serum 25(OH)D levels in JSLE patients and to identify risk factors for vitamin D deficiency in this population.MethodsForty-five Caucasian JSLE patients (36 females, nine males; mean age 18.9 ± 6.3 years) and 109 age- and sex-matched healthy controls entered the study. Dual-energy X-ray absorptiometry (DXA) scans of the lumbar spine, serum calcium and phosphate, bone-specific alkaline phosphatase (BSAP), parathyroid hormone (PTH), and 25(OH)D were assessed. The data were compared with an age- and sex-matched control group including 109 Caucasian healthy subjects.ResultsJSLE patients exhibited lower 25(OH)D levels than controls (p < 0.005), with the lower values observed in patients with active vs. inactive disease (p < 0.05). JSLE patients exhibited reduced total calcium levels (p < 0.001) and higher phosphate levels (p < 0.001), BSAP (p < 0.001) and PTH (p < 0.001) than controls. In addition, JSLE patients exhibited lower spine bone mineral apparent density (BMAD) SDS values than controls (p < 0.001), with higher values in patients with 25(OH)D sufficiency and insufficiency than in those with 25(OH)D deficiency (p < 0.001).ConclusionsPatients with JSLE have significantly lower 25(OH)D levels than controls. Therefore, vitamin D supplementation may be useful to normalize bone mass and quality in subjects with JSLE.

Vitamin D levels in children, adolescents, and young adults with juvenile-onset systemic lupus erythematosus: a cross-sectional study / Stagi, S.; Cavalli, L.; Bertini, F.; de Martino, M.; Matucci Cerinic, M.; Brandi, Ml; Falcini, F.. - In: LUPUS. - ISSN 0961-2033. - ELETTRONICO. - 23:(2014), pp. 1059-1065. [10.1177/0961203314532564]

Vitamin D levels in children, adolescents, and young adults with juvenile-onset systemic lupus erythematosus: a cross-sectional study.

STAGI, STEFANO;CAVALLI, LOREDANA;BERTINI, FEDERICO;DE MARTINO, MAURIZIO;MATUCCI CERINIC, MARCO;BRANDI, MARIA LUISA;FALCINI, FERNANDA
2014

Abstract

Background Hypovitaminosis D is common in the general population. Although many studies on 25-hydroxyvitamin D (25(OH)D) are available on systemic lupus erythematosus (SLE), few data are reported in juvenile-onset SLE (JSLE) patients.DesignThis study aimed to assess serum 25(OH)D levels in JSLE patients and to identify risk factors for vitamin D deficiency in this population.MethodsForty-five Caucasian JSLE patients (36 females, nine males; mean age 18.9 ± 6.3 years) and 109 age- and sex-matched healthy controls entered the study. Dual-energy X-ray absorptiometry (DXA) scans of the lumbar spine, serum calcium and phosphate, bone-specific alkaline phosphatase (BSAP), parathyroid hormone (PTH), and 25(OH)D were assessed. The data were compared with an age- and sex-matched control group including 109 Caucasian healthy subjects.ResultsJSLE patients exhibited lower 25(OH)D levels than controls (p < 0.005), with the lower values observed in patients with active vs. inactive disease (p < 0.05). JSLE patients exhibited reduced total calcium levels (p < 0.001) and higher phosphate levels (p < 0.001), BSAP (p < 0.001) and PTH (p < 0.001) than controls. In addition, JSLE patients exhibited lower spine bone mineral apparent density (BMAD) SDS values than controls (p < 0.001), with higher values in patients with 25(OH)D sufficiency and insufficiency than in those with 25(OH)D deficiency (p < 0.001).ConclusionsPatients with JSLE have significantly lower 25(OH)D levels than controls. Therefore, vitamin D supplementation may be useful to normalize bone mass and quality in subjects with JSLE.
2014
23
1059
1065
Stagi, S.; Cavalli, L.; Bertini, F.; de Martino, M.; Matucci Cerinic, M.; Brandi, Ml; Falcini, F.
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Utilizza questo identificatore per citare o creare un link a questa risorsa: https://hdl.handle.net/2158/859096
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