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Assessing the prognosis of cirrhotic patients in the intensive care unit:What we know and what we need to know better

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World Journal of Hepatology 2021年第10期13卷 1341-1350页

作者： Fernando da Silveira Pedro H R Soares luana q marchesan Roberto S A da Fonseca Wagner L Nedel Programa de Pos-Graduacao em Pneumologia Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil Intensive Care Unit Grupo Hospitalar ConceiçãoPorto Alegre 91430835Brazil Programa de Pos-Graduacao em Neurociencias Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil Programa de Pos-Graduacao em Ciencias da Saude Universidade Federal de Santa MariaSanta Maria 97105900Brazil Programa de Pos-Graduacao em Bioquimica Universidade Federal do Rio Grande do SulPorto Alegre 91430835Brazil

Critically ill cirrhotic patients have high in-hospital mortality and utilize significant health care resources as a consequence of the need for multiorgan *** this fact,their mortality has decreased in recent decades due to improved care of critically ill ***-on-chronic liver failure(ACLF),sepsis and elevated hepatic scores are associated with increased mortality in this population,especially among those not eligible for liver *** score is superior to another in the prognostic assessment of these patients,and both liver-specific and intensive care unit-specific scores have satisfactory predictive *** sequential assessment of the scores,especially the Sequential Organ Failure Assessment(SOFA)and Chronic Liver Failure Consortium(CLIF)-SOFA scores,may be useful as an auxiliary tool in the decision-making process regarding the benefits of maintaining supportive therapies in this population.A CLIF-ACLF>70 at admission or at day 3 was associated with a poor prognosis,as well as SOFA score>19 at baseline or increasing SOFA score>*** studies addressing the prognostic assessment of these patients are necessary.

关键词： Cirrhosis Extrahepatic organ failure Organ replacement therapy Mortality Prognostic scores Chronic Liver Failure Consortium-Sequential Organ Failure Assessment Sequential Organ Failure Assessment Model for End-stage Liver Disease

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Distinct physiological mechanisms underpin growth and rehydration of Hymenaea courbaril and Hymenaea stigonocarpa upon short-term exposure to drought stress

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Journal of Forestry Research 2023年第1期34卷 113-123页

作者： luana M.Luz Ediane C.Alves Nariane q.Vilhena Tamires B.Oliveira Zara G.B.Silva Joze M.N.Freitas Candido F.O.Neto Roberto C.L.Costa Lucas C.Costa Universidade Federal Rural da AmazOia CapanemaPA 68700-665Brazil Universidade Federal Rural da AmazEia BelémPA 66077-830Brazil

Plants hold biochemical and physiological mechanisms to withstand drought ***,depending on water deficit interval,plant rehydration relies on how it can retain growth or a positive water balance—or rarely *** this study,two species of Hymenaea,one from the Amazon and the other from the Brazilian Cerrado,were investigated for their physiological mechanism associated with growth rehydration upon short-term exposure to drought *** findings demonstrate that Hymenaea courbaril tends to invest in nitrogen to the detriment of carbon compounds,-as it is limited by lower net photosynthesis-and adjust root growth to attenuate drought stress *** contrast,Hymenaea stigonocarpa takes advantage of higher water potential and a basal rate of lower net photosynthesis to support aboveground growth under such ***,it is postulated that there are distinct ways of controlling water status and growth between *** and ***,which are determined either by the ability of the species to keep net photosynthesis at low levels of water content or by favoring the accumulation of nitrogen *** mechanisms were effective with regards to water use efficiency and thus it is reasonable to suggest that strategies are not exclusive and may work under adverse conditions,as observed in Amazon and Brazilian Cerrado ***.

关键词： Hymenaea courbaril Hymenaea stigonocarpa Growth Photosynthesis Water deficit

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