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1.
J. vasc. bras ; 20: e20200239, 2021. graf
Article in Portuguese | LILACS | ID: biblio-1340176

ABSTRACT

Resumo Apesar de a fisiopatologia da coagulopatia associada à doença do coronavírus 2019 (COVID‐19) não ser bem conhecida, a ocorrência de embolia pulmonar (EP) é frequentemente observada. No entanto, foram descritos na literatura poucos casos de pacientes que tiveram COVID-19 oligossintomática, sem nenhum fator de risco para tromboembolismo venoso (TEV) e que apresentaram EP aguda extensa. Relatamos um caso de paciente com COVID-19 oligossintomática, complicada por trombose venosa profunda e, posteriormente, EP aguda extensa, sugerindo que esses quadros devem ser considerados de forma sistemática mesmo em pacientes com COVID-19 oligossintomática e sem fatores de risco conhecidos para TEV.


Abstract Although the pathophysiology of coagulopathy associated with the 2019 coronavirus disease (COVID-19) is not well known, occurrence of pulmonary embolism (PE) is frequently observed. However, few cases have been described in the literature in which patients who had asymptomatic COVID-19, with no risk factors for venous thromboembolism (VTE), presented extensive acute PE. We report the case of a patient with asymptomatic COVID-19, complicated by deep vein thrombosis and later by extensive acute PE, suggesting that these conditions should be systematically considered, even in asymptomatic COVID-19 patients with no known risk factors for VTE.


Subject(s)
Humans , Male , Middle Aged , Pulmonary Embolism/etiology , COVID-19/complications , Oligosymptomatic Patients , Risk Factors , Venous Thrombosis/complications , Venous Thrombosis/diagnosis
2.
J. bras. med ; 102(2)março-abril 2014. graf, tab
Article in Portuguese | LILACS | ID: lil-712222

ABSTRACT

A dengue é uma doença infecciosa de evolução aguda, transmitida por vírus (RNA vírus). Infecta o homem através da picada do inseto fêmea Aedes aegypti. Seus sinais e sintomas são variáveis, com formas oligossintomáticas, formas clássicas (febris) e formas graves hemorrágicas, podendo até apresentar síndrome cardiovascular hipovolêmica. O diagnóstico envolve critérios clínico-laboratoriais. O diagnóstico sorológico tem fundamental importância na classificação de infecção primária ou secundária, já que a dengue hemorrágica surge com maior frequência nas infecções secundárias. O isolamento do vírus é geralmente realizado para fins de pesquisa ou epidemiológicos. As epidemias ocorrem principalmente no verão, durante ou após períodos chuvosos.


The dengue is an infectious disease of acute evolution transmitted by virus (RNA virus), infecting humans through the bite of the Aedes aegypti female insect. Presenting signs and symptoms variables with oligosymptomatic forms, classical forms (fever) and severe hemorrhagic form (DHF), this can lead to cardiovascular hypovolemic syndrome. The diagnoses of dengue disease involves clinical and laboratory criteria. Serological diagnosis has fundamental importance in the classification of primary or secondary infection, since DHF appears most often in secondary infections.Virus isolation is usually carried out for research or epidemiological studies. Epidemics occur mainly in the summer, during or after rainy periods.


Subject(s)
Humans , Male , Female , Severe Dengue/diagnosis , Dengue/diagnosis , Clinical Diagnosis , Platelet Count/methods , Fever/diagnosis , Oligosymptomatic Patients , Clinical Laboratory Techniques , Serologic Tests/methods , Dengue Virus/immunology , Dengue Virus/isolation & purification
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