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Risk factors for death from Influenza A(H1N1)pdm09, State of São Paulo, Brazil, 2009.

Identifieur interne : 000109 ( Main/Exploration ); précédent : 000108; suivant : 000110

Risk factors for death from Influenza A(H1N1)pdm09, State of São Paulo, Brazil, 2009.

Auteurs : Ana Freitas Ribeiro [Brésil] ; Alessandra Cristina Guedes Pellini [Brésil] ; Beatriz Yuko Kitagawa [Brésil] ; Daniel Marques [Brésil] ; Geraldine Madalosso [Brésil] ; Gerrita De Cassia Nogueira Figueira [Brésil] ; João Fred [Brésil] ; Ricardo Kerti Mangabeira Albernaz [Brésil] ; Telma Regina Marques Pinto Carvalhanas [Brésil] ; Dirce Maria Trevisan Zanetta [Brésil]

Source :

RBID : pubmed:25774804

Descripteurs français

English descriptors

Abstract

This case-control study aimed to assess the risk factors for death from influenza A(H1N1)pdm09 in patients with laboratory confirmation, who had severe acute respiratory illness-SARI and were hospitalized between June 28th and August 29th 2009, in the metropolitan regions of São Paulo and Campinas, Brazil. Medical charts of all the 193 patients who died (cases) and the 386 randomly selected patients who recovered (controls) were investigated in 177 hospitals. Household interviews were conducted with those who had survived and the closest relative of those who had died. 73.6% of cases and 38.1% of controls were at risk of developing influenza-related complications. The 18-to-59-year age group (OR = 2.31, 95%CI: 1.31-4.10 (reference up to 18 years of age)), presence of risk conditions for severity of influenza (OR = 1.99, 95%CI: 1.11-3.57, if one or OR = 6.05, 95%CI: 2.76-13.28, if more than one), obesity (OR = 2.73, 95%CI: 1.28-5.83), immunosuppression (OR = 3.43, 95%CI: 1.28-9.19), and search for previous care associated with the hospitalization (OR = 3.35, 95%CI: 1.75-6.40) were risk factors for death. Antiviral treatment performed within 72 hours of the onset of symptoms (OR = 0.17, 95%CI: 0.08-0.37, if within 48hours, and OR = 0.30, 95%CI: 0.11-0.81, if between 48 and 72 hours) was protective against death. The identification of high-risk patients and early treatment are important factors for reducing morbi-mortality from influenza.

DOI: 10.1371/journal.pone.0118772
PubMed: 25774804
PubMed Central: PMC4361171


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Le document en format XML

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<name sortKey="Fred, Joao" sort="Fred, Joao" uniqKey="Fred J" first="João" last="Fred">João Fred</name>
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<name sortKey="Albernaz, Ricardo Kerti Mangabeira" sort="Albernaz, Ricardo Kerti Mangabeira" uniqKey="Albernaz R" first="Ricardo Kerti Mangabeira" last="Albernaz">Ricardo Kerti Mangabeira Albernaz</name>
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<name sortKey="Carvalhanas, Telma Regina Marques Pinto" sort="Carvalhanas, Telma Regina Marques Pinto" uniqKey="Carvalhanas T" first="Telma Regina Marques Pinto" last="Carvalhanas">Telma Regina Marques Pinto Carvalhanas</name>
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<name sortKey="Zanetta, Dirce Maria Trevisan" sort="Zanetta, Dirce Maria Trevisan" uniqKey="Zanetta D" first="Dirce Maria Trevisan" last="Zanetta">Dirce Maria Trevisan Zanetta</name>
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<name sortKey="Albernaz, Ricardo Kerti Mangabeira" sort="Albernaz, Ricardo Kerti Mangabeira" uniqKey="Albernaz R" first="Ricardo Kerti Mangabeira" last="Albernaz">Ricardo Kerti Mangabeira Albernaz</name>
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<name sortKey="Carvalhanas, Telma Regina Marques Pinto" sort="Carvalhanas, Telma Regina Marques Pinto" uniqKey="Carvalhanas T" first="Telma Regina Marques Pinto" last="Carvalhanas">Telma Regina Marques Pinto Carvalhanas</name>
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<term>Facteurs de risque (MeSH)</term>
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<term>Grippe humaine (épidémiologie)</term>
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<term>Sous-type H1N1 du virus de la grippe A</term>
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<term>Grippe humaine</term>
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<term>Antiviraux</term>
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<term>Influenza, Human</term>
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<term>Adolescent</term>
<term>Adult</term>
<term>Case-Control Studies</term>
<term>Death</term>
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<front>
<div type="abstract" xml:lang="en">This case-control study aimed to assess the risk factors for death from influenza A(H1N1)pdm09 in patients with laboratory confirmation, who had severe acute respiratory illness-SARI and were hospitalized between June 28th and August 29th 2009, in the metropolitan regions of São Paulo and Campinas, Brazil. Medical charts of all the 193 patients who died (cases) and the 386 randomly selected patients who recovered (controls) were investigated in 177 hospitals. Household interviews were conducted with those who had survived and the closest relative of those who had died. 73.6% of cases and 38.1% of controls were at risk of developing influenza-related complications. The 18-to-59-year age group (OR = 2.31, 95%CI: 1.31-4.10 (reference up to 18 years of age)), presence of risk conditions for severity of influenza (OR = 1.99, 95%CI: 1.11-3.57, if one or OR = 6.05, 95%CI: 2.76-13.28, if more than one), obesity (OR = 2.73, 95%CI: 1.28-5.83), immunosuppression (OR = 3.43, 95%CI: 1.28-9.19), and search for previous care associated with the hospitalization (OR = 3.35, 95%CI: 1.75-6.40) were risk factors for death. Antiviral treatment performed within 72 hours of the onset of symptoms (OR = 0.17, 95%CI: 0.08-0.37, if within 48hours, and OR = 0.30, 95%CI: 0.11-0.81, if between 48 and 72 hours) was protective against death. The identification of high-risk patients and early treatment are important factors for reducing morbi-mortality from influenza. </div>
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<Journal>
<ISSN IssnType="Electronic">1932-6203</ISSN>
<JournalIssue CitedMedium="Internet">
<Volume>10</Volume>
<Issue>3</Issue>
<PubDate>
<Year>2015</Year>
</PubDate>
</JournalIssue>
<Title>PloS one</Title>
<ISOAbbreviation>PLoS ONE</ISOAbbreviation>
</Journal>
<ArticleTitle>Risk factors for death from Influenza A(H1N1)pdm09, State of São Paulo, Brazil, 2009.</ArticleTitle>
<Pagination>
<MedlinePgn>e0118772</MedlinePgn>
</Pagination>
<ELocationID EIdType="doi" ValidYN="Y">10.1371/journal.pone.0118772</ELocationID>
<Abstract>
<AbstractText>This case-control study aimed to assess the risk factors for death from influenza A(H1N1)pdm09 in patients with laboratory confirmation, who had severe acute respiratory illness-SARI and were hospitalized between June 28th and August 29th 2009, in the metropolitan regions of São Paulo and Campinas, Brazil. Medical charts of all the 193 patients who died (cases) and the 386 randomly selected patients who recovered (controls) were investigated in 177 hospitals. Household interviews were conducted with those who had survived and the closest relative of those who had died. 73.6% of cases and 38.1% of controls were at risk of developing influenza-related complications. The 18-to-59-year age group (OR = 2.31, 95%CI: 1.31-4.10 (reference up to 18 years of age)), presence of risk conditions for severity of influenza (OR = 1.99, 95%CI: 1.11-3.57, if one or OR = 6.05, 95%CI: 2.76-13.28, if more than one), obesity (OR = 2.73, 95%CI: 1.28-5.83), immunosuppression (OR = 3.43, 95%CI: 1.28-9.19), and search for previous care associated with the hospitalization (OR = 3.35, 95%CI: 1.75-6.40) were risk factors for death. Antiviral treatment performed within 72 hours of the onset of symptoms (OR = 0.17, 95%CI: 0.08-0.37, if within 48hours, and OR = 0.30, 95%CI: 0.11-0.81, if between 48 and 72 hours) was protective against death. The identification of high-risk patients and early treatment are important factors for reducing morbi-mortality from influenza. </AbstractText>
</Abstract>
<AuthorList CompleteYN="Y">
<Author ValidYN="Y">
<LastName>Ribeiro</LastName>
<ForeName>Ana Freitas</ForeName>
<Initials>AF</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil; Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Pellini</LastName>
<ForeName>Alessandra Cristina Guedes</ForeName>
<Initials>AC</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Kitagawa</LastName>
<ForeName>Beatriz Yuko</ForeName>
<Initials>BY</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Marques</LastName>
<ForeName>Daniel</ForeName>
<Initials>D</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Madalosso</LastName>
<ForeName>Geraldine</ForeName>
<Initials>G</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>de Cassia Nogueira Figueira</LastName>
<ForeName>Gerrita</ForeName>
<Initials>G</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Fred</LastName>
<ForeName>João</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Albernaz</LastName>
<ForeName>Ricardo Kerti Mangabeira</ForeName>
<Initials>RK</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Carvalhanas</LastName>
<ForeName>Telma Regina Marques Pinto</ForeName>
<Initials>TR</Initials>
<AffiliationInfo>
<Affiliation>Epidemiological Surveillance Center, Disease Control Coordination, State of São Paulo Department of Health, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Zanetta</LastName>
<ForeName>Dirce Maria Trevisan</ForeName>
<Initials>DM</Initials>
<AffiliationInfo>
<Affiliation>Department of Epidemiology, School of Public Health, University of São Paulo, São Paulo, Brazil.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D013485">Research Support, Non-U.S. Gov't</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2015</Year>
<Month>03</Month>
<Day>16</Day>
</ArticleDate>
</Article>
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<Country>United States</Country>
<MedlineTA>PLoS One</MedlineTA>
<NlmUniqueID>101285081</NlmUniqueID>
<ISSNLinking>1932-6203</ISSNLinking>
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<Chemical>
<RegistryNumber>0</RegistryNumber>
<NameOfSubstance UI="D000998">Antiviral Agents</NameOfSubstance>
</Chemical>
</ChemicalList>
<CitationSubset>IM</CitationSubset>
<MeshHeadingList>
<MeshHeading>
<DescriptorName UI="D000293" MajorTopicYN="N">Adolescent</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000998" MajorTopicYN="N">Antiviral Agents</DescriptorName>
<QualifierName UI="Q000627" MajorTopicYN="N">therapeutic use</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D001938" MajorTopicYN="N" Type="Geographic">Brazil</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D016022" MajorTopicYN="N">Case-Control Studies</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D003643" MajorTopicYN="N">Death</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D006760" MajorTopicYN="N">Hospitalization</DescriptorName>
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<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D053118" MajorTopicYN="N">Influenza A Virus, H1N1 Subtype</DescriptorName>
<QualifierName UI="Q000302" MajorTopicYN="Y">isolation & purification</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D007251" MajorTopicYN="N">Influenza, Human</DescriptorName>
<QualifierName UI="Q000175" MajorTopicYN="Y">diagnosis</QualifierName>
<QualifierName UI="Q000188" MajorTopicYN="N">drug therapy</QualifierName>
<QualifierName UI="Q000453" MajorTopicYN="Y">epidemiology</QualifierName>
<QualifierName UI="Q000821" MajorTopicYN="N">virology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName>
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<MeshHeading>
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<Month>04</Month>
<Day>19</Day>
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<Year>2015</Year>
<Month>01</Month>
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