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输尿管结石的发生和哪些原因有关?

2024-03-06 阅读量:3533次
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输尿管结石大多数是来自肾脏的小小石头,这些石头一旦进入狭小的输尿管管腔内便会产生剧烈疼痛、损害肾脏功能。

输尿管结石的发生一般与这些因素有关。


01环境及气候

输尿管结石的发生存在明显的地区性特点,热带、山区、亚热带、沙漠等地区发病率较高,可能与温度、湿度、饮食、水质等因素有关。


02遗传代谢

如家族性黄嘌呤尿、甲状旁腺亢进、胱氨酸尿症、高尿酸血症等代谢性疾病,容易造成尿结石的发生。另外,先天性泌尿系统畸形(多囊肾、髓质海绵肾、下尿路畸形等)的患者同样是输尿管结石高发人群。


03饮水、饮食

当水的摄入量与损失量处于失衡状态时,便会增加尿液内的钙盐过饱和析出,促进尿结石形成。部分研究指出,爱吃动物蛋白、精制糖等食物的人群,尿路结石形成风险较高,此外脂肪、嘌呤、草酸等物质的大量摄入,也会诱发尿结石。


04感染与梗阻

尿路梗阻、感染和尿路中存在异物是诱发结石形成的主要局部因素,梗阻可以导致感染和结石形成,而结石本身也是尿路中的异物,后者会加重梗阻与感染的程度,如此就构成了恶性循环。

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2024-03-09

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