期刊
BONE
卷 147, 期 -, 页码 -出版社
ELSEVIER SCIENCE INC
DOI: 10.1016/j.bone.2021.115929
关键词
Bone turnover; Cystic fibrosis; Bone mineral density
This study found that CF patients with normal nutritional status and without acute lung disease had normal bone mineral density but altered bone remodeling. Various bone turnover biomarkers were associated with CF, with factors like PTH, CTX, and OPG being significant predictors of BMD. Additionally, certain markers like PTH, TNF alpha, calcium, 1,25-vitamin D, and OPG were significantly linked to CF.
Background: Cystic fibrosis (CF) bone disease (CFBD) has attracted considerable recent interest from researchers, although several aspects of CFBD pathophysiology remain poorly understood. The objective of this research was to investigate CFBD in children with CF and its relation to clinical and bone metabolism markers. Methods: In a prospective observational study of 68 patients with CF and 63 healthy controls, we studied bone turnover biomarkers and bone mineral density (BMD). The biomarkers included osteocalcin, total-alkaline phosphatase, bone-alkaline phosphatase, N-terminal propeptide of type-1-procollagen, osteoprotegerin (OPG), interleukine-6, tumor necrosis factor alpha (TNF-alpha), type-1-collagen cross-linked C-telopeptide (CTX), para-thormone (PTH), 25-vitamin D, 1,25-vitamin D, calcium and phosphorus. BMD was examined in lumbar spine, comparing two healthy Spanish populations. Two regression analyses were applied to any significant associations to evaluate predictors of BMD and of CF, expressed as odds ratios (OR) with 95% confidence intervals. Results: After adjusting for age, sex, and height Z-score, gains in BMD LS in children and adolescents (6-16 years) with CF were not less than in healthy reference population. Patients with CF showed significant associations with different bone turnover biomarkers. Age, gender, body mass index, PTH, CTX and OPG were significant pre-dictors of BMD (R-2 = 0.866, p < 0,001). Moreover, we found that PTH (OR = 1.070; 95% CI 1.019-1.123), and TNF alpha (OR = 2.173; 95% CI 1.514-3.118) were significantly linked to CF, and calcium (OR = 0.115; 95% CI 0.025-0.524), 1,25-vitamin D (OR = 0.979; 95% CI 0.962 0.996) and OPG (OR = 0.189; 95% CI 0.073-0.489) were significant reduced. Conclusion: A normal bone mineral density along with altered remodeling was found in CF patients with a normal nutritional status and without acute lung disease.
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