慢性肾功能衰竭(慢性肾衰)发展到一定阶段,即出现钙、磷代谢紊乱,一般表现为低钙血症和高磷血症,且伴有继发性甲状旁腺机能亢进(“甲旁亢”)。这种钙、磷代谢紊乱与甲状旁腺激素(PTH)升高、活性维生素D不足,尿毒症毒性物质的作用等多种因素有关,其中PTH的作用近年尤其引入注意。有的学 Chronic renal failure (chronic renal failure) to a certain stage of development, that is, calcium and phosphorus metabolism disorders, generally manifested as hypocalcemia and hyperphosphatemia, accompanied by secondary hyperparathyroidism Kang "). This disorder of calcium and phosphorus metabolism and parathyroid hormone (PTH) increased activity of vitamin D deficiency, the role of uremic toxic substances and other factors, including the role of PTH in particular attention in recent years. Some learning