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摘要


水腫的定義為組織間質液體增加,所引起的腫脹;50歲以上患者下肢水腫的最可能原因是靜脈功能不全。靜脈功能不全影響多達30%的人口,而心臟衰竭僅影響約1%。但是有兩個原因也很常見下肢水腫,肺高壓和早期心臟衰竭可能也會導致下肢水腫。下肢水腫有兩種常見類型,靜脈水腫和淋巴水腫。靜脈水腫由正常淋巴系統無法容納的毛細血管過濾增加,導致的過量的低黏度、蛋白質含量低的組織間質液體組成。

參考文獻


Ely JW, Osheroff JA, Chambliss ML, et al. Approach to leg edema of unclear etiology. J Am Board Family Med 2006;19:148-60.
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