La Revue de médecine interne
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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.
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Restless legs syndrome, also called Willis-Ekbom disease, is a frequent sensorimotor disease, more often encountered in women than men. It is characterized by an urge to move legs, during the evening or the beginning of the night, increased by rest and relieved by movement. Two forms are classically distinguished: primary restless legs syndrome occurring in young adults with family history and secondary forms occurring in older adults with comorbidities such as iron deficiency, chronic renal failure or neurological diseases (affecting central or peripheral nervous system). ⋯ That's why, besides nutritional and sleep hygiene advices, treatment of restless legs syndrome includes iron supplementation if there is an iron deficiency. Pharmacological treatment, for severe to very severe forms, includes use of dopamine agonists, antiepileptic drugs or opioids. These medications have numerous side effects and each prescription has to be individually customized for each patient.
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Review Case Reports
[Third degree atrio-ventricular blockade during a myocarditis occurring under anti-PD1 : Case report and literature review].
Immune Checkpoint Inhibitor (ICI) therapy is now a standard of care in numerous cancers with very promising results. Nevertheless, adverse events, and especially immune-related adverse events (irAEs) not reported during clinical trials, are emerging and can be life-threatening. ⋯ Myocarditis occurring during ICI treatment is a rare but potentially lethal event. Daily serum troponin level seems to predict ICI-related myocarditis but interpretation could be difficult in the context of associated myositis. Echocardiography and cardiac MRI are also useful but can remain negative. Electrocardiogram is a cornerstone of myocarditis diagnosis. In case of cardiac involvement, continuous heart rhythm monitoring should be performed in addition to the administration of high-dose corticosteroids therapy and the cessation of ICI therapy. Add-on treatments should be discussed with a well-trained multidisciplinary team.