V průběhu posledních let dochází k nárůstu počtu imunosuprimovaných nemocných a tím i k vzestupu invazivních mykotických onemocnění. Terapie hlubokých mykóz je mnohdy obtížná, mortalita a morbidita těchto infekčních komplikací jsou vysoké. Stále lepší dostupnost nových antimykotik rozšiřuje naše léčebné možnosti a zlepšuje výsledky terapie těchto invazivních mykotických infekcí. Předkládaná práce podává informace o využití jednotlivých antimykotik v léčbě invazivních mykóz, shrnuje léčbu invazivní aspergilózy (IA), invazivní kandidózy (IC) a empirickou antimykotickou terapii. Doporučení vychází ze závěrů prezentovaných Europen Conference on Infection in Leukemia (ECIL)., The frequency of invasive fungal infections has significantly increased with the rise in at-risk populations of patients in the last years. Management of deep fungal infection is difficult and the morbidity and mortality of these infections are very high. New antifungal agents provide the managment options and improve therapeutic outcomes of these infections. This article informs about the role of available antifungal agents in the management of invasive fungal infections and reviews empirical antifungal treatmnet and the treatment of invasive aspergillus and candida infections. Recommendations presented below are based on the resume of the Europen Conference on Infection in Leukemia (ECIL)., Jana Diatková, Martina Tošková, Iva Kocmanová, Jiří Mayer, Zdeněk Ráčil, and Literatura
Literature data support that green tea and its major component epigallocatechin gallate (EGCG) have powerful antioxidant effects. Contrary, hepatotoxicity can be induced by high-dose EGCG. The timing of exposure to green tea in relation to administration of hepatotoxic agent plays an import role too. The aim of our work was a verification of antioxidative effect of EGCG on D-galactosamine-induced injury in primary culture of rat hepatocytes. Hepatocytes were incubated with EGCG at concentrations of 1.25-10 μM and toxic D-galactosamine (GalN) for 24 hrs. Alternatively, hepatocytes were pretreated with EGCG for 24 hrs, and then incubated with EGCG and GalN for further 24 hrs. Cytotoxicity was analysed by lactate dehydrogenase activity, functional capacity by albumin production. Oxidative stress was evaluated from a production of malondialdehyde and glutathione content in the cells. EGCG protected hepatocytes against GalN-induced cytotoxicity but preventive treatment of intact hepatocytes with EGCG was required to diminish the development of hepatocyte injury. Oxidative stress induced in our study seems to overcome the ability of hepatocytes to improve GSH depletion and albumin production. Prolongation of the pretreatment with EGCG could be a promising strategy leading to amelioration of its hepatoprotective effect. and Alena Moravcová, Zuzana Červinková, Otto Kučera, Vojtěch Mezera, Halka Lotková