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The role of a urinalysis in the intensive-care unit:The usefulness of each test and the reasons for their utility Masahiro SAKAI 1,2 1Urayasu Tsubame Clinic 2Department of Nephrology, Endocrinology and Diabetes Tokyo Bay Urayasu Ichikawa Medical Center pp.380-385
Published Date 2023/7/1
DOI https://doi.org/10.11477/mf.3102201096
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A major reason for performing a urinalysis in the intensive-care unit (ICU) is to determine the causes of acute kidney injury (AKI). In particular, prerenal AKI and acute tubular necrosis (ATN) are the most common causes of AKI in the ICU setting, and their differentiation has long been a matter of debate. Although urinary biochemistry and urinary sediment testing methods have been developed and used for a long time, their accuracy and utility in the current era remain unclear. This article describes findings regarding urinary biochemistry and urinary sediment as well as urinary biomarkers. Furthermore, the gold standard for evaluating the renal function in the ICU is a 24-h urine collection test, such as a creatinine clearance (CCr) assay; however, such tests can be inaccurate in phases with rapid changes in the renal function, so we will discuss how to address this issue.


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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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