为了去除氟化物、避免和纠正血钾过多和对置换治疗没有反应的周期性血钙过少，有必要进行血液透析。

Hemodialysis may be necessary for fluoride removal and to avoid or correct hyperkalemia and recurrent hypocalcemia not responsive to replacement therapy.

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You can keep people alive for many decades with periodic dialysis to remove waste products from the blood.

通过周期性的透析除去血液中的代谢废物,可以使病人寿命延长几十年

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