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A population-based matched cohort study investigated the relationship between iron overload disorders and the risk of bone fractures, aiming to determine whether elevated iron levels significantly increase the likelihood of fractures among affected individuals.<\/p>\n
The study included 20,264 patients diagnosed with iron overload and 192,956 matched control participants. The population consisted of adults over 18 years old, with an average age of 57, and approximately 40% were female. The findings revealed a 55% increased risk of fractures among patients with iron overload, with the highest risk observed for vertebral fractures.<\/p>\n
Specifically, patients with serum ferritin levels exceeding 1,000\u2005\u00b5g\/L, a marker indicating high iron in the blood, had a 91% increased risk of any fracture and a 2.5-fold increased risk of vertebral fractures. Notably, the study found no elevated fracture risk among patients without high serum ferritin levels. Additionally, the risk was consistent across both males and females, indicating that iron overload affects fracture risk similarly regardless of sex.<\/p>\n
One of the key biological mechanisms identified is that\u00a0iron overload<\/a>\u00a0adversely affects both bone quantity and the microarchitecture \u2014 the tiny structures that make up bone. This deterioration compromises bone strength, making fractures more likely. The study underscores the importance of monitoring serum ferritin levels as an indicator of fracture risk, especially in individuals with laboratory-confirmed iron overload.<\/p>\n