Related Experiment Videos
Bone mineral density in juvenile systemic lupus erythematosus
T C M Castro1, M T Terreri, V L Szejnfeld
1Divisão de Alergia, Imunologia e Reumatologia, Departamento de Pediatria, Escola Paulista de Medicina, Universidade Federal de São Paulo, São Paulo, SP, Brasil.
Summary
This study found no significant reduction in spine bone mineral density (BMD) in Brazilian girls with juvenile systemic lupus erythematosus (JSLE). Factors like disease activity or corticosteroid use did not correlate with bone mass in these patients.
Area of Science:
- Pediatrics
- Rheumatology
- Endocrinology
Background:
- Juvenile systemic lupus erythematosus (JSLE) is a chronic autoimmune disease that can affect bone health.
- Bone mineral density (BMD) reduction is a concern in pediatric rheumatic diseases, potentially linked to disease activity and treatment.
- Understanding predictors of bone loss in JSLE is crucial for early intervention and management.
Purpose of the Study:
- To evaluate spine bone mineral density (BMD) in Brazilian children with juvenile systemic lupus erythematosus (JSLE).
- To identify potential predictors of reduced bone mass in female JSLE patients.
- To assess the correlation between BMD and clinical parameters including disease activity and corticosteroid use.
Main Methods:
- A cross-sectional study involving 16 female JSLE patients (aged 6-17 years) and 32 age-matched healthy controls.
- Lumbar spine BMD (L2-L4) measured using dual-energy X-ray absorptiometry (DXA).
- Data collected included weight, height, Tanner stage, disease duration, steroid doses (daily and cumulative), and disease activity (SLEDAI).
Main Results:
- Lumbar BMD was not statistically significantly lower in JSLE patients compared to controls (P = 0.10).
- No significant correlations were found between BMD and age, height, Tanner stage, disease duration, corticosteroid use, or SLEDAI in JSLE girls.
- A weak positive correlation was observed between BMD and weight (r = 0.672).
Conclusions:
- This study did not observe reduced bone mass in the female JSLE patients evaluated.
- Disease activity and cumulative steroid doses were not found to be significant determinants of BMD in this cohort.
- Further research with larger cohorts may be needed to fully elucidate bone health in pediatric lupus patients.