La Revue de médecine interne
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Historical Article
[Scientific misconduct: A major threat for medical research].
Scientific misconduct (fabrication, falsification, and plagiarism) and detrimental research practices (selective reporting of data, inappropriate citation practice, ghostwriting) are admitted respectively by 2 % and 33 % of researchers. The consequences of scientific misconduct and detrimental research practices are disastrous, both for the doctors, who are the most affected researchers in view of the number of retracted articles, and for the patients, victims of false information that may have health consequences. In order to fight against the causes (promotion of doctors and allocation of resources to clinical wards and laboratories on purely quantitative research criteria, lack of training in scientific integrity in medical studies, heterogenous quality of reviewing, legal impunity), there are legislative, academic, technological and editorial solutions, but radical and urgent cultural change is needed first.
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The spread of the new coronavirus SARS-CoV-2, discovered in China in January 2020, led to a pandemic as early as March 2020, forcing every health care system in the affected countries to adapt quickly. In order to better address this major health crisis, which has given rise to numerous scientific publications, we have synthesized the main original clinical studies to facilitate the day-to-day management of patients with COVID-19. ⋯ We focus on clinical, biological and CT markers predictive of severity or mortality. Finally, we discuss the impact of SARS-CoV-2 infection in populations suspected to be at high risk of severe forms.
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Review Case Reports
[Bloody tears: About a case and a review of the literature].
Hemolacria is a rare hemorrhagic syndrome characterized by bloody tears. The most common etiologies are inflammation, infection or laceration. However, other rarer diseases may also cause this clinical manifestation. ⋯ Bloody tears are a rare clinical manifestation and the etiology may be difficult to determine. Bloody tears are a rare clinical manifestation of hemorrhagic syndrome. To determine the underlying etiology, screening should consider all possible causes including the rarest.
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Myeloproliferative neoplasms are acquired hematological malignancies, mainly affecting the adult and whose morbidity and mortality stems from haemostasis disorders. The most frequently encountered complications include thrombosis, affecting preferentially the arterial territory, but also atypical locations such as splanchnic vein thrombosis. The pathophysiology of these thromboses is complex and involves different actors: blood cells, endothelium and flow conditions. ⋯ In these patients, platelet dysfunctions and/or acquired Willebrand syndromes can be found. The pathophysiology of thrombosis and platelet dysfunction during myeloproliferative neoplasms remains to date partially unknown. In this review, we offer to focus on physiopathological mechanisms as well as the latest advances in their understanding.
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Review
[From fibrogenesis towards fibrosis: Pathophysiological mechanisms and clinical presentations].
Fibrogenesis is a universal and ubiquitous process associated with tissue healing. The impairment of tissue homeostasis resulting from the deregulation of numerous cellular actors, under the effect of specific cytokine and pro-oxidative environments can lead to extensive tissue fibrosis, organ dysfunction and significant morbidity and mortality. ⋯ Finally, fibrosis is a hallmark of numerous systemic autoimmune diseases such as connective tissue disorders (in particular systemic sclerosis), vasculitides, granulomatoses, histiocytoses, and IgG4-associated disease. Although the process leading to tissue fibrosis may be in part irreversible, new pharmacological approaches or cell therapies bring hope in the field of fibrotic conditions.