Japanese

Understanding circulating blood volume and hemodynamic status in critically ill patients. Takuya YOSHIDA 1 , Masashi NAKAGAWA 2 , Takeshi NOMURA 2 1Emergency and Critical Care Center Japanese Red Cross Medical Center 2Department of Intensive Care Medicine Tokyo Women's Medical University pp.117-124
Published Date 2020/1/1
DOI https://doi.org/10.11477/mf.3102200716
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The traditional approach to understand the hemodynamic status of critically ill patients has been to focus on cardiac output. However, approximately 60-70% of the blood volume is stored in the venous system and circulating blood volume is largely regulated by the venous system. Since venous return equals cardiac output, the venous system plays an important role in cardiovascular homeostasis. We explain Guyton's equilibrium diagram and key concepts related to venous return, including systemic filling pressure and stressed volume. We show how to use the diagram to understand hemodynamic changes in various shock states and their effects on hemodynamic status by administering volume loading and catecholamines to critical ill patients.


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電子版ISSN 2186-7852 印刷版ISSN 1883-4833 メディカル・サイエンス・インターナショナル

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