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Published on: July 14, 2023
[The role of hyperphosphatemia in the pathogenesis of secondary hyperparathyroidism]
1Division of Nephrology and Hypertension, Tokyo Jikei University School of Medicine.
Abstract:
Renal phosphate handling plays key role in phosphate metabolism. Kidney dysfunction induced hyperphosphatemia. The phosphatemia with renal insufficiency, especially uremia, indirectly progresses into secondary hyperparathyroidism via suppression of vitamin D/Ca system. This indirect effect on parathyroid is called "Trade-off theory". Recently, the direct effect of hyperphosphatemia on parathyroid has been reported independent of vitamin D/Ca system in renal failure. The control of serum phosphate is certainly important by restriction of phosphate intake in renal failure patients.
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