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ARDS肺内分流增加的机制 被引量:2

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摘要 肺内分流是指肺动脉未经氧合的血液流入肺静脉的总量。正常情况下,由于小静脉血可直接流入左心房,同时支气管静脉血可直接进入肺静脉,且血液和气体在肺部的分布不均,血液流经无通气的肺泡时可造成一定量的解剖和生理分流,其总量约占肺循环血量的3%-7%。急性呼吸窘迫综合征(ARDS)患者的肺内分流量可增加至30%-50%,
出处 《浙江医学》 CAS 2009年第9期1330-1332,共3页 Zhejiang Medical Journal
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