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1.
Front Microbiol ; 13: 1035422, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-36483197

RESUMO

Background: Gut microbiota is intrinsically associated with the immune system and can promote or suppress infectious diseases, especially viral infections. This study aims to characterize and compare the microbiota profile of infected patients with SARS-CoV-2 (milder or severe symptoms), non-infected people, and recovered patients. This is a national, transversal, observational, multicenter, and case-control study that analyzed the microbiota of COVID-19 patients with mild or severe symptoms at home, at the hospital, or in the intensive care unit, patients already recovered, and healthy volunteers cohabiting with COVID-19 patients. DNA was isolated from stool samples and sequenced in a NGS platform. A demographic questionnaire was also applied. Statistical analysis was performed in SPSS. Results: Firmicutes/Bacteroidetes ratios were found to be significantly lower in infected patients (1.61 and 2.57) compared to healthy volunteers (3.23) and recovered patients (3.89). Furthermore, the microbiota composition differed significantly between healthy volunteers, mild and severe COVID-19 patients, and recovered patients. Furthermore, Escherichia coli, Actinomyces naeslundii, and Dorea longicatena were shown to be more frequent in severe cases. The most common COVID-19 symptoms were linked to certain microbiome groups. Conclusion: We can conclude that microbiota composition is significantly affected by SARS-CoV-2 infection and may be used to predict COVID-19 clinical evolution. Therefore, it will be possible to better allocate healthcare resources and better tackle future pandemics.

3.
BMJ Case Rep ; 20182018 Mar 05.
Artigo em Inglês | MEDLINE | ID: mdl-29507010

RESUMO

Pathological or spontaneous splenic rupture is a rare but well-recognised complication of haematological malignancies. The authors present a clinical report of a 78-year-old woman with known clinical history of chronic lymphocytic leukaemia and atrial fibrillation under anticoagulation with apixaban which has spontaneous splenic rupture. Pathological examination revealed lymph node and splenic infiltration due to chronic lymphocytic leukaemia. The diagnosis of splenic rupture must be considered in all patients with haematological malignancies who experience acute abdomen. Given the severity, it requires a correct and timely diagnosis.


Assuntos
Leucemia Linfocítica Crônica de Células B/complicações , Ruptura Esplênica/etiologia , Abdome Agudo/etiologia , Idoso , Anticoagulantes/uso terapêutico , Fibrilação Atrial/tratamento farmacológico , Feminino , Humanos , Pirazóis/uso terapêutico , Piridonas/uso terapêutico , Ruptura Espontânea/etiologia , Esplenectomia , Ruptura Esplênica/diagnóstico por imagem , Ruptura Esplênica/cirurgia , Tomografia Computadorizada por Raios X
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