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  • Title: Increased arterial calcification in Paget's disease of bone.
    Author: Laroche M, Delmotte A.
    Journal: Calcif Tissue Int; 2005 Sep; 77(3):129-33. PubMed ID: 16151674.
    Abstract:
    When examining radiographs of patients with Paget's disease of bone (PD), we often observed calcification of the aorta and iliac or femoral arteries. The processes of extraosseous calcification or mineralization are very close to the mechanisms regulating mineralization of bone tissue. The aim of our study was to quantify the number, extent (length and thickness), and type (arteriosclerotic or medial arterial calcification) of vascular calcification in patients with Paget's disease and to compare them with those of controls, in order to discover whether PD is accompanied by increased calcification. Vascular calcification was quantified on the aorta, the iliac arteries, and their branches, the femoral, gluteal, and pelvic arteries of 42 patients with Paget's disease and 36 control subjects. Of the PD subjects, 52.4% had arteriosclerotic calcification versus 30.6% of controls (P = 0.05), and 38.6% of PD patients had medial arterial calcification versus 11.1% of controls (P = 0.05). The mean length of calcification was greater in PD patients: 1.93 +/- 2.85 cm versus 0.84 +/- 1.69 cm in controls (P = 0.04). The thickness of calcification was also greater in PD patients: 1.24 +/- 1.30 mm versus 0.56 +/- 0.94 mm (P = 0.01). Patients with Paget's disease more frequently had medial arterial or arteriosclerotic calcification than controls. These calcifications were longer and thicker. Our clinical study therefore confirms that abnormal vessel wall calcification and bone remodeling in Paget's disease are probably linked, although the mechanism of this relation is as yet unexplained.
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