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KMID : 0614620160680050237
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Korean Journal of Gastroenterology
2016 Volume.68 No. 5 p.237 ~ p.244
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Acute Kidney Injury in Cirrhotic Patients with Portal Hypertension
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Kim So-Mi
Song Il-Han
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Abstract
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Acute kidney injury (AKI) is one of the most common manifestations encountered in clinical practice. It is associated with high morbidity and mortality in cirrhotic pre- and post-transplantation patients. Hepatorenal syndrome (HRS), a special form of AKI in cirrhotic patients, was recognized as a consequence of renal vasoconstriction from systemic/renal hemodynamic alterations developed in advanced cirrhosis with portal hypertension. Recently, multiple factors?such as infection/inflammation, underlying glomerulonephritis, bile cast, or increased abdominal pressure?have been considered to contribute to renal dysfunction in cirrhotic patients, which were presumed to induce HRS. Moreover, in addition to changing the definition of AKI in the nephrologic guidelines, the new AKI definition for early diagnosis and intervention based on characteristics of liver cirrhosis has been proposed in an international meeting. This article provides a comprehensive and recent review of AKI definition, laying out the topics in accordance with the pathophysiologic mechanisms and therapeutic interventions of AKI in cirrhotic patients with portal hypertension.
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KEYWORD
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Acute kidney injury, Hepatorenal syndrome, Liver cirrhosis, Portal hypertension
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