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Analysis of Stereotyped B-Cell Receptor Frequencies Among Portuguese De Novo-Di...
Alves, Daniela; Ferreira, Gisela; Caldas, Joana; Fernandes, Mariana; Gaspar, Cátia; Alpoim, Mafalda; Carvalhais, Inês; Duarte, Sara; Silva, HelenaBackground/objectives: Chronic lymphocytic leukemia (CLL) exhibits a heterogeneous clinical course influenced by genetic factors, such as the mutational status of immunoglobulin variable regions (IGHV). Recently, B-cell receptor (BcR) stereotypes have shown promising prognostic value, potentially surpassing IGHV status. The PAIS study analyzed BcR stereotypes and IGHV mutations in newly diagnosed Portuguese CLL...
Addressing challenges to enhance clinical research in Portugal: insights from t...
Resende, Catarina; Abreu, Marta; Presa Ramos, José; Carda, José; Costa, Luís; Cardoso, Fátima; Pereira, Deolinda; Teixeira, Encarnação; Tonin, FernandaIntroduction Over the past decades, clinical research has evolved significantly, driven by advances in regulatory frameworks, technological innovations, and methodological approaches. In Portugal, while there has been progress - such as increased regulatory alignment with European standards and the adoption of digital trial management tools - various challenges remain. These may include, among others, limited a...
Severe hyponatremia in older patients at admission in an internal medicine depa...
Correia, Lurdes; Ferreira, Rogério; Correia, Inês; Lebre, Ana; Carda, José; Monteiro, Rita; Simão, Adélia; Carvalho, Armando; Costa, NascimentoHyponatremia is common in older people, most often of multifactorial origin, and can be associated with poor clinical outcomes. The aim was to analyze the frequency of severe hyponatremia (sodium concentration below 125 mmol/L), risk factors and mortality association in hospitalized older patients. A retrospective study was performed in older patients (over 65 years) with hyponatremia, diagnosed at admission in...