依据既往经验，口服磷酸盐结合剂有助于治疗系统性继发性甲旁亢。

Historically, treatment with oral phosphate binders was intended to prevent symptomatic secondary hyperparathyroidism.

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结果糖尿病肾病、高龄、超滤量大、继发性甲旁亢的患者发生低血压的比例明显增加。

Results Diabetic Kidney disease, the elderly, UF quantity big, the secondary of secondary hyperparathyroidism in patients with marked increase in ratio of low blood pressure.

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目的：研究小剂量口服罗盖全治疗慢性肾衰竭（CRF）继发性甲旁亢（SHPT）早期患者的疗效和副作用。

Objective:To study the curative effect and side-effect of low doses of oral calcitriol on early secondary hyperparathyroidism(SHPT) associated with chronic renal failure(CRF).

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