Relationship between impaired glucose metabolism and bone mineral density in patients with cystic fibrosis
Abstract
UNLABELLED: Cystic fibrosis (CF) is a chronic genetic disorder characterized by pancreatic insufficiency and lung disease. Advancements in highly effective modulator therapies (HEMTs) have improved life expectancy, shifting the focus to endocrine comorbidities, such as CF-related diabetes (CFRD) and bone disease (CFRBD). Therefore, current guidelines recommend routine screening for diabetes and osteoporosis in people with cystic fibrosis (PwCF) starting from age of 10 years. Increased risk of osteoporosis has been shown in type 1 and type 2 diabetes; however, there are limited studies evaluating the impact of glucose metabolism disorders on osteoporosis in children with cystic fibrosis. Therefore, this study investigates the impact of glucose metabolism disorders on PwCF. This cross-sectional retrospective study included 81 PwCF, aged between 10 and 21 years, who were screened routinely for diabetes and bone metabolism between 2019 and 2024. Data on demographics, CFTR variants, glucose metabolism, and biochemical bone parameters, including calcium, phosphorus, ALP, PTH, vitamin D levels with bone mineral density (BMD) of L1-L4 lumber spine were analyzed. Cases were categorized as normal, indeterminate, impaired glucose tolerance (IGT), or CFRD based on OGTT. Statistical analyses were conducted to determine factors affecting BMD, including pairwise comparison and multivariate regression analysis. Of the 81 cases, 55 (67.9%) had normal glucose tolerance, 9 (11.1%) had…
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Evidence Hub reads this as a cross-sectional, done in people. Its evidence level is 4 of 5 (Low · observational). Observational designs can show an association but not prove cause.
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