Publications by authors named "Laura L de Guevara"

To evaluate sorafenib treatment in Latin American patients with unresectable hepatocellular carcinoma in the real-world GIDEON study. Sorafenib administration, safety and efficacy were analyzed by Child-Pugh status. Of 90 evaluable patients (37% Child-Pugh A, 46% Child-Pugh B and 3% Child-Pugh C at study entry), 97% started sorafenib at 800 mg/day.

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Background & Aims: GIDEON (Global Investigation of therapeutic DEcisions in hepatocellular carcinoma and Of its treatment with sorafeNib) is a prospective, observational registry study evaluating the safety of sorafenib and treatment practices in hepatocellular carcinoma patients. This large global database allowed for assessment of the use and tolerability of sorafenib in patients with liver dysfunction.

Methods: Baseline characteristics and medical/treatment history were collected in patients for whom a decision to treat with sorafenib had been made.

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Anatomical barriers for antibiotic penetration can pose a particular challenge in the clinical setting. Stenotrophomonas maltophilia (SM) and Pseudomonas aeruginosa (PA) are two pathogens capable of developing multiple drug-resistance (MDR) mechanisms. We report the case of a 56-year-old female patient with a permanent percutaneous transhepatic biliary drainage (PTBD), who was admitted to our hospital with a cholangitis due to a MDR Escherichia coli strain.

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Hepatocellular carcinoma (HCC) is a leading cause of cancer-related death worldwide, and the burden of this devastating cancer is expected to increase further in coming years. The collection and analysis of epidemiologic HCC data will play a critical role in guiding future disease prevention strategies and optimizing patient management. Previous epidemiologic studies have highlighted striking global variations in the incidence of HCC, which is particularly high in much of east Asia and sub-Saharan Africa, and lower, but on the increase, in North America and most of Europe.

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Polychromatic flow-cytometric assays were used to analyze paired intrahepatic and peripheral lymphocyte samples from 37 patients with chronic hepatitis C. Compared with peripheral cells, intrahepatic T cells were selectively enriched with CD45RO+ memory T cells but had a lower percentage of CD4+ T cells expressing the differentiation markers CD27 and CD28. The percentage of intrahepatic CD45RO+ and CD28+ T cells correlated with the degree of liver inflammation, which suggests that memory T cells at relatively early stages of differentiation are directly involved in liver inflammation.

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