肺水腫(pulmonary edema)俗稱「肺積水」[1],是由各種原因引起肺泡腔內含有水腫液的臨床綜合症[2],其發病機制是因肺臟血管淋巴管組織之間液體交換功能紊亂所致的肺含水量增加,肺間質和肺泡內均有液體聚集[3]

Quick Facts 肺水腫 Pulmonary edema, 同義詞 ...
Close

肺水腫的臨床表現為呼吸困難、發紺、咳嗽、咳白色或粉紅色泡沫痰,兩肺散在濕囉音,X線表現為兩肺蝶形片狀模糊陰影,是臨床急症之一[4]。常發生在充血性心力衰竭時,如心臟瓣膜疾病左心衰竭導致肺充血、水腫[5],或由肺泡間隔血管的直接損傷所致[6]

肺水腫會導致氣體交換出現障礙,並可能引發呼吸衰竭。引發肺水腫的原因有兩種,一種稱為心源性肺水腫,是由於心臟左心室充盈壓升高,使得血漿毛細血管滲出到肺間質和肺泡,從而引起肺水腫[7],另一種稱為非心源性肺水腫,肺部中的薄壁組織或肺血管出現損傷,也會產生肺水腫。

參考文獻

Wikiwand in your browser!

Seamless Wikipedia browsing. On steroids.

Every time you click a link to Wikipedia, Wiktionary or Wikiquote in your browser's search results, it will show the modern Wikiwand interface.

Wikiwand extension is a five stars, simple, with minimum permission required to keep your browsing private, safe and transparent.