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Seasonality of pathogens causing community-acquired pneumonia.

Identifieur interne : 000087 ( Main/Exploration ); précédent : 000086; suivant : 000088

Seasonality of pathogens causing community-acquired pneumonia.

Auteurs : Catia Cilloniz [Espagne] ; Santiago Ewig [Allemagne] ; Albert Gabarrus [Espagne] ; Miquel Ferrer [Espagne] ; Jorge Puig De La Bella Casa [Espagne] ; Josep Mensa [Espagne] ; Antoni Torres [Espagne]

Source :

RBID : pubmed:28093834

Descripteurs français

English descriptors

Abstract

BACKGROUND AND OBJECTIVE

Seasonal distribution of microbial aetiology in patients with community-acquired pneumonia (CAP) may add important information both for epidemiologists and clinicians. We investigate the seasonal distribution of microbial aetiology in CAP.

METHODS

This prospective observational study was carried out in the Hospital Clinic of Barcelona, Spain (January 2003-December 2014).

RESULTS

We studied 4431 patients with CAP, of whom 2689 (61%) were males. Microbial aetiology was identified in 1756 patients (40%). CAP was most frequent in winter (34%) but two-third of patients with CAP presented in other seasons. Seasonal variations included Streptococcus pneumoniae (winter 21% vs spring 17% vs summer 14% vs autumn 13%, overall P < 0.001). Influenza viruses were most prevalent in autumn (6%) and winter (5%) compared with spring (3%) and summer (1%) (overall P < 0.001). Legionella pneumophila was most frequent in autumn (4%) and summer (4%) compared with spring (2%) and winter (1%) (overall P < 0.001). Incidence of polymicrobial pneumonia also differed between seasons (winter 7% vs spring 5% vs summer 3% vs autumn 6%, overall P = 0.001). We observed a significant correlation between the lowest seasonal average temperature and polymicrobial pneumonia, pneumococcal pneumonia, and influenza viruses; conversely, L. pneumophila was more common when temperatures were higher.

CONCLUSION

CAP should not be regarded as a seasonal disease but occurs throughout all seasons. However, S. pneumoniae, influenza viruses, polymicrobial pneumonia and L. pneumophila are clearly subject to seasonal variations.


DOI: 10.1111/resp.12978
PubMed: 28093834


Affiliations:


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Le document en format XML

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<term>Community-Acquired Infections (microbiology)</term>
<term>Female (MeSH)</term>
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<term>Infections communautaires (épidémiologie)</term>
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<term>Incidence</term>
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<p>
<b>BACKGROUND AND OBJECTIVE</b>
</p>
<p>Seasonal distribution of microbial aetiology in patients with community-acquired pneumonia (CAP) may add important information both for epidemiologists and clinicians. We investigate the seasonal distribution of microbial aetiology in CAP.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>METHODS</b>
</p>
<p>This prospective observational study was carried out in the Hospital Clinic of Barcelona, Spain (January 2003-December 2014).</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>RESULTS</b>
</p>
<p>We studied 4431 patients with CAP, of whom 2689 (61%) were males. Microbial aetiology was identified in 1756 patients (40%). CAP was most frequent in winter (34%) but two-third of patients with CAP presented in other seasons. Seasonal variations included Streptococcus pneumoniae (winter 21% vs spring 17% vs summer 14% vs autumn 13%, overall P < 0.001). Influenza viruses were most prevalent in autumn (6%) and winter (5%) compared with spring (3%) and summer (1%) (overall P < 0.001). Legionella pneumophila was most frequent in autumn (4%) and summer (4%) compared with spring (2%) and winter (1%) (overall P < 0.001). Incidence of polymicrobial pneumonia also differed between seasons (winter 7% vs spring 5% vs summer 3% vs autumn 6%, overall P = 0.001). We observed a significant correlation between the lowest seasonal average temperature and polymicrobial pneumonia, pneumococcal pneumonia, and influenza viruses; conversely, L. pneumophila was more common when temperatures were higher.</p>
</div>
<div type="abstract" xml:lang="en">
<p>
<b>CONCLUSION</b>
</p>
<p>CAP should not be regarded as a seasonal disease but occurs throughout all seasons. However, S. pneumoniae, influenza viruses, polymicrobial pneumonia and L. pneumophila are clearly subject to seasonal variations.</p>
</div>
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<Month>11</Month>
<Day>13</Day>
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<DateRevised>
<Year>2018</Year>
<Month>12</Month>
<Day>02</Day>
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<ISSN IssnType="Electronic">1440-1843</ISSN>
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<Volume>22</Volume>
<Issue>4</Issue>
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<AbstractText Label="BACKGROUND AND OBJECTIVE">Seasonal distribution of microbial aetiology in patients with community-acquired pneumonia (CAP) may add important information both for epidemiologists and clinicians. We investigate the seasonal distribution of microbial aetiology in CAP.</AbstractText>
<AbstractText Label="METHODS">This prospective observational study was carried out in the Hospital Clinic of Barcelona, Spain (January 2003-December 2014).</AbstractText>
<AbstractText Label="RESULTS">We studied 4431 patients with CAP, of whom 2689 (61%) were males. Microbial aetiology was identified in 1756 patients (40%). CAP was most frequent in winter (34%) but two-third of patients with CAP presented in other seasons. Seasonal variations included Streptococcus pneumoniae (winter 21% vs spring 17% vs summer 14% vs autumn 13%, overall P < 0.001). Influenza viruses were most prevalent in autumn (6%) and winter (5%) compared with spring (3%) and summer (1%) (overall P < 0.001). Legionella pneumophila was most frequent in autumn (4%) and summer (4%) compared with spring (2%) and winter (1%) (overall P < 0.001). Incidence of polymicrobial pneumonia also differed between seasons (winter 7% vs spring 5% vs summer 3% vs autumn 6%, overall P = 0.001). We observed a significant correlation between the lowest seasonal average temperature and polymicrobial pneumonia, pneumococcal pneumonia, and influenza viruses; conversely, L. pneumophila was more common when temperatures were higher.</AbstractText>
<AbstractText Label="CONCLUSION">CAP should not be regarded as a seasonal disease but occurs throughout all seasons. However, S. pneumoniae, influenza viruses, polymicrobial pneumonia and L. pneumophila are clearly subject to seasonal variations.</AbstractText>
<CopyrightInformation>© 2017 Asian Pacific Society of Respirology.</CopyrightInformation>
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<LastName>Cilloniz</LastName>
<ForeName>Catia</ForeName>
<Initials>C</Initials>
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<Affiliation>Department of Pneumology, Hospital Clinic of Barcelona, University of Barcelona (UB), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Biomedical Research Institute "August Pi Sunyer" (IDIBAPS), Biomedical Research Networking Centres on Respiratory Diseases (CIBERES), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
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<Affiliation>Department of Respiratory Medicine and Infectious Diseases, Evangelic Hospital in Herne and Augusta Hospital in Bochum, Bochum, Germany.</Affiliation>
</AffiliationInfo>
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</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Biomedical Research Institute "August Pi Sunyer" (IDIBAPS), Biomedical Research Networking Centres on Respiratory Diseases (CIBERES), Barcelona, Spain.</Affiliation>
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<Affiliation>Department of Pneumology, Hospital Clinic of Barcelona, University of Barcelona (UB), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Biomedical Research Institute "August Pi Sunyer" (IDIBAPS), Biomedical Research Networking Centres on Respiratory Diseases (CIBERES), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Puig de la Bella Casa</LastName>
<ForeName>Jorge</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Department of Microbiology, Hospital Clinic of Barcelona, Barcelona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Mensa</LastName>
<ForeName>Josep</ForeName>
<Initials>J</Initials>
<AffiliationInfo>
<Affiliation>Department of Infectious Diseases, Hospital Clinic of Barcelona, Barcelona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
<Author ValidYN="Y">
<LastName>Torres</LastName>
<ForeName>Antoni</ForeName>
<Initials>A</Initials>
<AffiliationInfo>
<Affiliation>Department of Pneumology, Hospital Clinic of Barcelona, University of Barcelona (UB), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
<AffiliationInfo>
<Affiliation>Biomedical Research Institute "August Pi Sunyer" (IDIBAPS), Biomedical Research Networking Centres on Respiratory Diseases (CIBERES), Barcelona, Spain.</Affiliation>
</AffiliationInfo>
</Author>
</AuthorList>
<Language>eng</Language>
<PublicationTypeList>
<PublicationType UI="D016428">Journal Article</PublicationType>
<PublicationType UI="D064888">Observational Study</PublicationType>
</PublicationTypeList>
<ArticleDate DateType="Electronic">
<Year>2017</Year>
<Month>01</Month>
<Day>17</Day>
</ArticleDate>
</Article>
<MedlineJournalInfo>
<Country>Australia</Country>
<MedlineTA>Respirology</MedlineTA>
<NlmUniqueID>9616368</NlmUniqueID>
<ISSNLinking>1323-7799</ISSNLinking>
</MedlineJournalInfo>
<CitationSubset>IM</CitationSubset>
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<MeshHeading>
<DescriptorName UI="D000328" MajorTopicYN="N">Adult</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D000368" MajorTopicYN="N">Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D017714" MajorTopicYN="N">Community-Acquired Infections</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName>
<QualifierName UI="Q000382" MajorTopicYN="Y">microbiology</QualifierName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D005260" MajorTopicYN="N">Female</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D006801" MajorTopicYN="N">Humans</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D015994" MajorTopicYN="N">Incidence</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008297" MajorTopicYN="N">Male</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D008875" MajorTopicYN="N">Middle Aged</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D011446" MajorTopicYN="N">Prospective Studies</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D012621" MajorTopicYN="Y">Seasons</DescriptorName>
</MeshHeading>
<MeshHeading>
<DescriptorName UI="D013030" MajorTopicYN="N">Spain</DescriptorName>
<QualifierName UI="Q000453" MajorTopicYN="N">epidemiology</QualifierName>
</MeshHeading>
</MeshHeadingList>
<KeywordList Owner="NOTNLM">
<Keyword MajorTopicYN="Y">community-acquired pneumonia</Keyword>
<Keyword MajorTopicYN="Y">microbial aetiology</Keyword>
<Keyword MajorTopicYN="Y">season</Keyword>
<Keyword MajorTopicYN="Y">seasonality</Keyword>
</KeywordList>
</MedlineCitation>
<PubmedData>
<History>
<PubMedPubDate PubStatus="received">
<Year>2016</Year>
<Month>09</Month>
<Day>08</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="revised">
<Year>2016</Year>
<Month>11</Month>
<Day>04</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="accepted">
<Year>2016</Year>
<Month>11</Month>
<Day>04</Day>
</PubMedPubDate>
<PubMedPubDate PubStatus="pubmed">
<Year>2017</Year>
<Month>1</Month>
<Day>18</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="medline">
<Year>2017</Year>
<Month>11</Month>
<Day>14</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
<PubMedPubDate PubStatus="entrez">
<Year>2017</Year>
<Month>1</Month>
<Day>18</Day>
<Hour>6</Hour>
<Minute>0</Minute>
</PubMedPubDate>
</History>
<PublicationStatus>ppublish</PublicationStatus>
<ArticleIdList>
<ArticleId IdType="pubmed">28093834</ArticleId>
<ArticleId IdType="doi">10.1111/resp.12978</ArticleId>
</ArticleIdList>
</PubmedData>
</pubmed>
<affiliations>
<list>
<country>
<li>Allemagne</li>
<li>Espagne</li>
</country>
<region>
<li>Catalogne</li>
</region>
<settlement>
<li>Barcelone</li>
</settlement>
</list>
<tree>
<country name="Espagne">
<region name="Catalogne">
<name sortKey="Cilloniz, Catia" sort="Cilloniz, Catia" uniqKey="Cilloniz C" first="Catia" last="Cilloniz">Catia Cilloniz</name>
</region>
<name sortKey="Cilloniz, Catia" sort="Cilloniz, Catia" uniqKey="Cilloniz C" first="Catia" last="Cilloniz">Catia Cilloniz</name>
<name sortKey="Ferrer, Miquel" sort="Ferrer, Miquel" uniqKey="Ferrer M" first="Miquel" last="Ferrer">Miquel Ferrer</name>
<name sortKey="Ferrer, Miquel" sort="Ferrer, Miquel" uniqKey="Ferrer M" first="Miquel" last="Ferrer">Miquel Ferrer</name>
<name sortKey="Gabarrus, Albert" sort="Gabarrus, Albert" uniqKey="Gabarrus A" first="Albert" last="Gabarrus">Albert Gabarrus</name>
<name sortKey="Gabarrus, Albert" sort="Gabarrus, Albert" uniqKey="Gabarrus A" first="Albert" last="Gabarrus">Albert Gabarrus</name>
<name sortKey="Mensa, Josep" sort="Mensa, Josep" uniqKey="Mensa J" first="Josep" last="Mensa">Josep Mensa</name>
<name sortKey="Puig De La Bella Casa, Jorge" sort="Puig De La Bella Casa, Jorge" uniqKey="Puig De La Bella Casa J" first="Jorge" last="Puig De La Bella Casa">Jorge Puig De La Bella Casa</name>
<name sortKey="Torres, Antoni" sort="Torres, Antoni" uniqKey="Torres A" first="Antoni" last="Torres">Antoni Torres</name>
<name sortKey="Torres, Antoni" sort="Torres, Antoni" uniqKey="Torres A" first="Antoni" last="Torres">Antoni Torres</name>
</country>
<country name="Allemagne">
<noRegion>
<name sortKey="Ewig, Santiago" sort="Ewig, Santiago" uniqKey="Ewig S" first="Santiago" last="Ewig">Santiago Ewig</name>
</noRegion>
</country>
</tree>
</affiliations>
</record>

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