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血管外肺水测定在临床的应用 被引量:3

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摘要 在生理状态下,肺微血管的静水压使一定量的液体转移到组织间隙,淋巴系统将这些液体引流到胸导管,避免了肺泡水肿.因此,在生理上,血管外肺水(EVLW)是从血管滤出,又被淋巴系统引流清除的液体,在生理上这个容量很小,少于7 mL/kg.当肺微血管的静水压上升,例如在左心衰时,转移向组织间隙的液体量升高,淋巴引流量也升高,当淋巴引流不足时,间隙与肺泡就会出现水肿.在心脏衰竭时,静脉腔压力的升高阻碍了淋巴引流加重了肺水肿.
出处 《中华急诊医学杂志》 CAS CSCD 北大核心 2010年第9期1000-1003,共4页 Chinese Journal of Emergency Medicine
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