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Panminerva Medica 2016 Dicembre;58(4):253-62

lingua: Inglese

Markers of calcium and phosphate metabolism and osteopenic syndrome in patients with coronary artery disease

Alexey S. GOLOVKIN 1, 2, Alexander N. KOKOV 1, Vladislava MASENKO 1, Oksana N. KHRYACHKOVA 1, Еlena MALYUTA 3, Olga L. BARBARASH 1

1 Federal State Budgetary Institution “Research Institute for Complex Issues of Cardiovascular Disease”, Kemerovo, Russia; 2 Federal Almazov Medical Research Centre, Saint-Petersburg, Russia; 3 Мunicipal Budget Healthcare Institution, “Podgorbunsky M.A. City Clinical Hospital N3”, Kemerovo, Russia


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BACKGROUNDː The aim of the present study is to assess the level of specific markers of calcium and phosphate metabolism in the development of coronary atherosclerosis in patients with stable coronary artery disease, depending on the severity of osteopenic syndrome.
METHODSː In the study 112 male patients aged from 49 to 73 years with verified coronary artery disease were included in the study. Calcium Score was measured using the Agatston Score. Besides, all of them were tested on the serum level of parathyroid hormone, calcitonin, osteocalcin, bone-specific alkaline phosphatase, osteoprotegerin, osteopontin, cathepsin K, estradiol and testosterone.
RESULTSː The distribution of patients according to the severity of coronary atherosclerosis using the Syntax Score suggested that the levels of the studied markers did not differ significantly among the patients, despite significant differences in the severity of coronary artery disease. The levels of osteoprotegerin in patients with mild, moderate and severe calcification were significantly lower compared to patients with a zero calcium score. There were no clinical manifestations of osteopenic syndrome in all patients. However, they underwent osteodensitometry with measurement of bone mineral density at the lumbar spine and femoral neck to determine pre-clinical symptoms of bone destruction. Significant increase (P=0.03) in serum levels of osteocalcin was found in patients with radiological evidence of osteoporosis while the other markers did no differ significantly.
CONCLUSIONSː We suppose that there is a reciprocal interaction of regulatory vectors with increased calcium deposition in the arterial wall and resorption of bone tissue.

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