High osteoprotegerin is associated with development of foot ulcer in type 1 diabetes

Emilie H. Zobel, Bernt J. von Scholten, Maria Lajer, Anders Jorsal, Lise Tarnow, Lars M. Rasmussen, Per Holstein, Hans Henrik Parving, T. W. Hansen, P. Rossing

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    Abstrakt

    Background and aim The bone-related peptide osteoprotegerin has been linked to vascular calcification and peripheral vascular disease. We investigated the association between osteoprotegerin and development of foot complications in persons with type 1 diabetes. Materials and methods Prospective observational study of 573 persons with type 1 diabetes, 225 women; age [mean ± SD] 42.3 ± 10.3 years. Plasma osteoprotegerin was measured by ELISA. Results Median (IQR) osteoprotegerin was 2.80 (2.35–3.63) μg/L and follow-up time (median (range)) was 12.7 (0.1–15.6) years. Endpoints included: new foot ulceration (n = 153), Charcot foot (n = 14), vascular surgery/amputation (n = 53), loss of foot pulse (n = 57), and peripheral neuropathy (n = 99). In unadjusted analyses, higher osteoprotegerin was associated with development of all endpoints (p ≤ 0.026). Higher osteoprotegerin remained associated with development of foot ulcer, and the combination of vascular surgery/amputation, loss of foot pulse and neuropathy (p ≤ 0.001) in a sex and age adjusted model. After further adjustment (nephropathy status, smoking, HbA1c, systolic blood pressure, serum cholesterol, high sensitivity C-reactive protein, eGFR, and presence of neuropathy and/or claudication and/or foot ulcer at baseline), higher osteoprotegerin remained associated with development of foot ulcer (HR (95% CI) per doubling: 1.75 (1.04–2.97); p = 0.037). Conclusion Higher osteoprotegerin levels were associated with development of foot ulcer, even after comprehensive adjustment.

    OriginalsprogEngelsk
    Sider (fra-til)1603-1608
    Antal sider6
    TidsskriftJournal of Diabetes and its Complications
    Vol/bind30
    Udgave nummer8
    DOI
    StatusUdgivet - 1 nov. 2016

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