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1.
PLoS One ; 17(4): e0260939, 2022.
Artigo em Inglês | MEDLINE | ID: mdl-35389992

RESUMO

BACKGROUND: In 2016/2017 we had a major epidemic of chikungunya (CHIK) in Brazil, with many deaths. We evaluated to factors associated with deaths from CHIK that occurred in the city of Fortaleza, Brazil. METHODS: A matched case-control study was conducted (1:2), by sex, age (± 5 years) and neighborhood. Cases were CHIK deaths that occurred between January 1 and December 31, 2017, in Fortaleza, Brazil, and which were laboratory confirmed. Controls were laboratory confirmed CHIK patients occurring in the same neighborhood and in the same period, but which did not progress to death. RESULTS: 82 cases of CHIK and 164 controls were included. Considering the clinical history, significant associations were found between other chronic heart diseases (OR 3.8; CI: 1.53-9.26) and chronic kidney disease (OR 12.77; CI: 2.75-59.4). In the multivariate analysis of the variables related to signs and symptoms, fever (OR: 19.23 CI: 1.73-213.78), abdominal pain (OR: 3; 74 CI: 1.06-13.16), apathy (OR: 11.62 CI: 2.95-45.82) and dyspnea (OR: 50.61; CI: 12.37-207.18) were identified with greater likelihood of death from CHIK. It also stood out that altered blood glucose was associated with cases with a worse prognosis (OR: 13.5; CI: 1.3-135.0). Among the laboratory findings, only lymphocytes and albumin were not associated with greater likelihood of death. CONCLUSION: The factors related with deaths were chronic kidney disease and previous heart disease, presence of fever, abdominal pain, apathy, dyspnea and arthritis and laboratory findings such as leukocytosis, leukopenia, thrombocytopenia, neutropenia and lymphopenia.


Assuntos
Febre de Chikungunya , Vírus Chikungunya , Leucopenia , Insuficiência Renal Crônica , Dor Abdominal , Brasil/epidemiologia , Estudos de Casos e Controles , Febre de Chikungunya/complicações , Febre de Chikungunya/diagnóstico , Febre de Chikungunya/epidemiologia , Dispneia , Febre , Humanos , Fatores de Risco
2.
Am J Trop Med Hyg ; 102(2): 257-259, 2020 02.
Artigo em Inglês | MEDLINE | ID: mdl-31769391

RESUMO

In 2013, cases of chikungunya virus (CHIKV) infection were first detected in the Caribbean. Chikungunya virus rapidly spread through Central and South America, causing explosive outbreaks in naive populations. Since its emergence in 2004, the number of case and series reports describing severe, atypical manifestations seen in chikungunya patients has increased substantially, calling into question whether clinicians and health services are failing to diagnose these atypical cases because of not only insufficient knowledge but also limitations in the case classification. Although this classification based on the duration of the musculoskeletal (acute, subacute, and chronic forms) complaints helped guide therapeutic approaches directed to these manifestations, patients presenting severe or complicated forms, which are less frequent but produce most of the fatal outcomes, were not properly addressed. In Brazil and the Caribbean, a clear temporal and spatial association between excess overall mortality and the occurrence of chikungunya epidemics has been shown, supporting the hypothesis that many of these excess deaths were a consequence of CHIKV infections. Thus, accumulated experience has highlighted that the current chikungunya case classification does not encompass the actual needs presented by certain cases with atypical features nor does it contribute to early detection and management of potentially severe cases. With continued CHIKV circulation in three continents and recent reemergence in Asia and Europe, we need a classification that is prospective and informed both by initial clinical presentation and by progression of signs and symptoms.


Assuntos
Febre de Chikungunya/classificação , Febre de Chikungunya/diagnóstico , Dengue/classificação , Dengue/diagnóstico , Febre de Chikungunya/epidemiologia , Febre de Chikungunya/patologia , Vírus Chikungunya/imunologia , Dengue/patologia , Surtos de Doenças , Humanos
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