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1.
Chinese Critical Care Medicine ; (12): 1529-1532, 2021.
Article Dans Chinois | WPRIM | ID: wpr-931812

Résumé

Acute kidney injury (AKI) is common in critically ill patients and it is directly related to the patient's prognosis and survival. Despite remaining uncertainties regarding the prevalence of AKI in intensive care unit (ICU), the overall incidence of AKI is relatively high, and prompt recognition is necessary to ensure the risk assessment, early diagnosis, clinical outcome, and treatment of critically ill patients. Doppler-based renal resistive index (RRI) mainly reflects vascular bed resistance state, which can be indirect to the extent of the damage of renal parenchyma. It is a relatively objective and quantitative evaluation, and is widely used in clinical prognosis of acute or chronic renal damage evaluation and judgment. This paper reviews the definition of RRI, the measurement methods of RRI, the application and progress of RRI in the field of AKI, the advantages and disadvantages of ultrasonic measurement of RRI, the long-term application of RRI, the effectiveness of RRI in predicting AKI, and the progress in clinical application.

2.
Journal of Zhejiang University. Medical sciences ; (6): 333-339, 2008.
Article Dans Chinois | WPRIM | ID: wpr-344325

Résumé

<p><b>OBJECTIVE</b>To investigate the effect of cryptoporus polysaccharide(CP)on lipopolysaccharide(LPS)-induced production of monocyte chemoattractant protein-1(MCP-1)in human lung epithelial A549 cells.</p><p><b>METHODS</b>A549 cells were stimulated with LPS in the presence or absence of CP. The protein concentration and mRNA expression of MCP-1 were determined by enzyme-linked-immunosobent assay(ELISA)and semi-quantitative RT-PCR, respectively.</p><p><b>RESULT</b>The protein concentration of MCP-1 was significantly increased by LPS 1000 microg/L at 24 h. There were no effects on the growth and viability of A549 cells in the presence of CP 100 microg/L or dexamethasone 1 mumol/L. However, CP 100 microg/L or dexamethasone 1 micromol/L significantly inhibited the protein concentration and mRNA expression of MCP-1 induced by LPS.</p><p><b>CONCLUSION</b>CP can regulate MCP-1 production, which may be associated with its effects on lung inflammation.</p>


Sujets)
Humains , Lignée cellulaire , Chimiokine CCL2 , Génétique , Métabolisme , Cellules épithéliales , Biologie cellulaire , Métabolisme , Lipopolysaccharides , Pharmacologie , Polyporaceae , Chimie , Polyosides , Pharmacologie , Alvéoles pulmonaires , Biologie cellulaire , ARN messager , Métabolisme
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