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不同的通风设置对猪中膜和肺微血管尺寸的影响

Elisa Damiani1,2, Erika Casarotta3, Caterina Di Bella4

  • 1Department of Biomedical Sciences and Public Health, Università Politecnica delle Marche, via Trontro 10/a, 60126, Ancona, Italy. elisa.damiani@univpm.it.

Scientific reports
|December 5, 2024
PubMed
概括

高潮量机械通风会导致肺部过度膨胀并压缩毛细血管. 事件暗场显微镜可视化了猪中的这些变化,显示了死亡空间通风的潜在增加.

关键词:
手持式生命显微镜手持式生命显微镜事件黑暗领域的事件.机械通风机械通风机械通风机肺微循环是指肺中的微循环.透气/ perfusion 的匹配情况.

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Factors Affecting Pulmonary Ventilation01:19

Factors Affecting Pulmonary Ventilation

Besides the pressure difference between the external environment and the lungs, the airflow rate and ease of pulmonary ventilation are also influenced by three other factors: surface tension of the fluid in the alveoli, compliance of the lungs, and airway resistance.
Alveolar Surface Tension
The alveolar fluid lines the luminal surface of the alveoli and exerts a force called surface tension. This force is caused by the polar water molecules in the liquid being more strongly attracted to each...