Histiocytic hyperplasia with hemophagocytosis and acute alveolar damage in COVID-19 infection.

The spectrum of COVID-19 infection includes acute respiratory distress syndrome (ARDS) and macrophage activation syndrome (MAS), although the histological basis for these disorders has not been thoroughly explored. Post-mortem pulmonary and bone marrow biopsies were performed in 33 patients. Samples were studied with a combination of morphological and immunohistochemical techniques.

Evaluation of the SAMe-TT2R2 score to predict the quality of anticoagulation control in a cohort of patients with venous thromboembolism treated with vitamin K antagonists.

Objective: The SAMe-TTR score has been recently proposed to predict the quality of anticoagulation control in patients with atrial fibrillation treated with vitamin K antagonists (VKA). We aimed at calculating this score in a cohort of patients with Venous Thromboembolism (VTE) and determine its usefulness.

Methods: We included all consecutive patients with VTE treated with VKA for >90days.