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1.
Medicine (Baltimore) ; 100(10): e24708, 2021 Mar 12.
Artigo em Inglês | MEDLINE | ID: mdl-33725828

RESUMO

RATIONALE: Pathogeny of thrombosis in COVID-19 is related to interaction of SARS-Cov-2 with vascular wall through the angiotensin converting enzyme 2 (ACE2) receptor. This induces 2 pathways with immunothrombosis from activated endothelium (cytokine storm, leukocyte and platelet recruitment, and activation of coagulation extrinsic pathway), and rise of angiotensin II levels promoting inflammation. While thrombosis is widely described in COVID-19 patients admitted in intensive care unit, cerebrovascular diseases remains rare, in particular cerebral venous thrombosis (CVT). PATIENT CONCERNS: We describe 2 cases of women admitted during the spring of 2020 for intracranial hypertension signs, in stroke units in Great-east, a French area particularly affected by COVID-19 pandemia. DIAGNOSES: Cerebral imaging revealed extended CVT in both cases. The first case described was more serious due to right supratentorial venous infarction with hemorrhagic transformation leading to herniation. Both patients presented typical pneumonia due to SARS-Cov-2 infection, confirmed by reverse transcription polymerase chain reaction on a nasopharyngeal swab in only one. INTERVENTIONS: The first patient had to undergo decompressive craniectomy, and both patients were treated with anticoagulation therapy. OUTCOMES: Favorable outcome was observed for 1 patient. Persistent coma, due to bi thalamic infarction, remained for the other with more serious presentation. LESSONS: CVT, as a serious complication of COVID-19, has to be searched in all patients with intracranial hypertension syndrome. Data about anticoagulation therapy to prevent such serious thrombosis in SARS-Cov-2 infection are lacking, in particular in patients with mild and moderate COVID-19.


Assuntos
COVID-19/complicações , Trombose Intracraniana/etiologia , Anticoagulantes/uso terapêutico , COVID-19/imunologia , Craniectomia Descompressiva/métodos , Feminino , Humanos , Trombose Intracraniana/imunologia , Trombose Intracraniana/terapia , Pessoa de Meia-Idade , SARS-CoV-2 , Adulto Jovem
2.
Clin Mol Hepatol ; 24(4): 417-423, 2018 12.
Artigo em Inglês | MEDLINE | ID: mdl-29065678

RESUMO

Anemia appears frequently in patients with alcoholic liver disease (ALD) but has never been linked to bilateral nonarteritic anterior ischemic optic neuropathy (NAION). A 65-year-old woman with a medical history of alcoholic cirrhosis was admitted for bilateral NAION. On admission, she was found to have a low arterial pressure and severe normocytic anemia (48 g/L). The anemia was related to chronic bleeding due to antral gastritis along with other factors associated with ALD. The applied treatment consisted of urgent transfusion followed by high doses of proton-pump inhibitors, iron and vitamin supplementation, and support in lifestyle measures. Her hemoglobin levels remained stable after 2 years but the patient still suffered from visual loss. This case highlights the link between anemia and bilateral NAION in ALD patients. The optic nerve head is prone to infarction in this context due to the vascularization characteristics of ALD. Hemoglobin levels should be monitored in ALD patients to avoid the severe complication of NAION.


Assuntos
Anemia/etiologia , Cirrose Hepática Alcoólica/diagnóstico , Neuropatia Óptica Isquêmica/diagnóstico , Idoso , Pressão Arterial , Feminino , Hemoglobinas/análise , Humanos , Cirrose Hepática Alcoólica/complicações , Neuropatia Óptica Isquêmica/complicações , Prognóstico
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