Hyperparathyroidism, glucose tolerance and platelet intracellular free calcium in chronic renal failure

Kuo Cheng Lu, S. D. Shieh, S. H. Lin, S. H. Chyr, Y. F. Lin, L. K. Diang, B. L. Li, W. H.H. Sheu, Y. A. Ding

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16 引文 斯高帕斯(Scopus)

摘要

Disturbance in the vitamin D/parathyroid hormone (PTH) axis may be important in the pathogenesis of glucose intolerance and insulin resistance in uraemia. To investigate possible relationships between hyperparathyroidism, intracellular free calcium ([Ca2+]1), and glucose tolerance in chronic renal failure, we measured serum intact PTH (l-PTH) by two-site immunometric assay, platelet [Ca2+]1 using the fluorescent indicator fura-2, and plasma glucose and insulin after 14 h overnight fast and at 30, 60 and 120 min following a 75 g oral glucose load, in 18 chronic haemodialysis patients with elevated serum l-PTH. Calcitriol (1 μg) was administered parenterally at the end of each dialysis session for four weeks. This significantly decreased serum l-PTH (p<0.001) and platelet [Ca2+], (p<0.01). Uraemic patients initially showed marked glucose intolerance, with increased area below the glucose curve compared to healthy controls, but after 4 weeks of calcitriol treatment, this effect was significantly decreased, and there was a significant rise in the area under the insulin curve after glucose load. The insulinogenic index also increased significantly after calcitriol treatment.

原文英語
頁(從 - 到)359-365
頁數7
期刊QJM
87
發行號6
DOIs
出版狀態已發佈 - 6月 1994
對外發佈

ASJC Scopus subject areas

  • 一般醫學

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