Bone Mineral Density Declines More Rapidly in Adults With Cystic Fibrosis, finds study
Bone mineral density declines more rapidly in adults with cystic fibrosis, according to a study published in the Journal of Bone and Mineral Research.
Improved survival in people with cystic fibrosis (pwCF) presents new complexities of care, including CF-related bone disease, a common complication in older pwCF. The trajectory of bone loss with age in this population remains unclear. The objective of this study was to estimate the average rate of change in bone mineral density (BMD) in adults with CF.
This retrospective study included adults with CF, aged 25-48 years, followed between January 2000 and December 2021. Subjects with at least one dual-energy X-ray absorptiometry (DXA) scan were included. Scans obtained post-transplantation, after the initiation of bisphosphonates or cystic fibrosis transmembrane conductance regulator (CFTR) modulator therapy were excluded. The primary outcome was BMD (g/cm2) at the lumbar spine (LS) and femoral neck (FN). A linear mixed-effects model with both random intercept and random slope terms was used to estimate the average annual change in BMD.
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