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尿毒症究竟有多“毒”?

来源:华人健康网 | 发布时间:2011-09-22 00:06:50 | www.chinesejk.com

  “尿毒症”听起来是很可怕的名词,简单地说,当肾脏几乎完全丧失它原有的功能,而以各种不适的症状表现出来,如严重的恶心、呕吐、气喘如牛、心悸、极度的倦怠等,这就是尿毒症。据统计,我国每百万人口中,每年约有100人死于尿毒症。许多肾病病人谈“尿毒症”如谈“蛇蝎”。那尿毒症究竟有多毒?

  “毒”漫全身,危害生命健康!

  尿毒症,实际由于各种原因引起的肾实质大部分或全部慢性损害,排泄功能丧失,因而不能排泄多种代谢废物和降解某些内分泌激素,致使其积蓄在体内而起毒性作用。毒素包括:小分子含氮物质,如胍类、尿素、尿酸、胺类和吲类等蛋白质的代谢产物;中分子毒性物质:包括血内潴留过多的激素:如甲状旁腺素多肽等;大分子毒性物质,如胰升糖素、β2微球蛋白、溶菌酶等。上述各种小、中、大分子物质,有些对人体有毒性,有些在浓度正常时,对人体无害,但血内水平过高,亦会有毒性作用,引起尿毒症症状,且随着病程进行性恶化至终末期时则出现尿毒症及一系列并发症表现。一旦发展到尿毒症,就将“毒”漫全身!

(编辑:小鱼 )

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