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Immunosuppressed patients with pandemic influenza A 2009 (H1N1) virus infection

Identifieur interne : 002131 ( Main/Merge ); précédent : 002130; suivant : 002132

Immunosuppressed patients with pandemic influenza A 2009 (H1N1) virus infection

Auteurs : E. Cordero [Espagne] ; T. Aydillo [Espagne] ; M. C. Farinas [Espagne] ; J. R. Pano-Pardo [Espagne] ; J. Pachon [Espagne] ; D. Viasus [Espagne] ; M. Riera [Espagne] ; F. Lopez-Medrano [Espagne] ; A. Payeras [Espagne] ; A. Moreno [Espagne] ; J. Rodriguez-Bano [Espagne] ; J. A. Oteo [Espagne] ; J. Martinez-Montauti [Espagne] ; J. Torre-Cisneros [Espagne] ; F. Segura [Espagne] ; J. Carratala [Espagne]

Source :

RBID : Pascal:12-0182430

Descripteurs français

English descriptors

Abstract

The purpose of this paper was to prospectively characterize the clinical manifestations and outcomes of confirmed influenza A 2009 (H1N1) virus infection in immunosuppressed patients with hospital admission and compare them with those of a general population. A multicenter prospective cohort study was carried out. All adult patients admitted to 13 hospitals in Spain with confirmed influenza A 2009 (H1N1) virus infection from June 12, 2009 to November 11, 2009 were included. Risk factors for complicated influenza infection were studied in immunosuppressed patients. Overall, 559 patients were included, of which 56 were immunosuppressed, nine with solid or hematological malignancies, 18 with solid-organ transplant recipients, 13 with corticosteroid therapy, and six with other types of immunosuppression. Clinical findings at diagnosis were similar in both groups. Nineteen immunosuppressed patients had pneumonia (33.9%). Immunosuppressed patients with pandemic influenza had bacterial co-infection more frequently (17.9% vs. 6.4%,p=0.02), specifically, gram-negative bacilli and Staphylococcus aureus infections. Mortality was higher in immunosuppressed patients (7.1% vs. 1.8%, p<0.05). The only modifiable risk factor of complicated influenza A 2009 (H1N1) was delayed antiviral therapy. In immunosuppressed patients, influenza A 2009 (H1N1) virus infection has higher mortality than in non-immunosuppressed individuals. Bacterial co-infection is common in complicated cases.

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Pascal:12-0182430

Le document en format XML

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<name sortKey="Oteo, J A" sort="Oteo, J A" uniqKey="Oteo J" first="J. A." last="Oteo">J. A. Oteo</name>
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<name sortKey="Torre Cisneros, J" sort="Torre Cisneros, J" uniqKey="Torre Cisneros J" first="J." last="Torre-Cisneros">J. Torre-Cisneros</name>
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<name sortKey="Segura, F" sort="Segura, F" uniqKey="Segura F" first="F." last="Segura">F. Segura</name>
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<name sortKey="Carratala, J" sort="Carratala, J" uniqKey="Carratala J" first="J." last="Carratala">J. Carratala</name>
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<title level="j" type="main">European journal of clinical microbiology & infectious diseases : (Print)</title>
<title level="j" type="abbreviated">Eur. j. clin. microbiol. infect. dis. : (Print)</title>
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</sourceDesc>
<seriesStmt>
<title level="j" type="main">European journal of clinical microbiology & infectious diseases : (Print)</title>
<title level="j" type="abbreviated">Eur. j. clin. microbiol. infect. dis. : (Print)</title>
<idno type="ISSN">0934-9723</idno>
</seriesStmt>
</fileDesc>
<profileDesc>
<textClass>
<keywords scheme="KwdEn" xml:lang="en">
<term>H1N1 influenza</term>
<term>Human</term>
<term>Immunosuppression</term>
<term>Influenza A</term>
<term>Influenza A (H1N1)</term>
<term>Influenza A virus</term>
<term>Microbiology</term>
</keywords>
<keywords scheme="Pascal" xml:lang="fr">
<term>Grippe A</term>
<term>Immunodépression</term>
<term>Microbiologie</term>
<term>Homme</term>
<term>Virus grippal A</term>
<term>Grippe H1N1</term>
<term>Virus grippal A(H1N1)</term>
</keywords>
<keywords scheme="Wicri" type="topic" xml:lang="fr">
<term>Homme</term>
</keywords>
</textClass>
</profileDesc>
</teiHeader>
<front>
<div type="abstract" xml:lang="en">The purpose of this paper was to prospectively characterize the clinical manifestations and outcomes of confirmed influenza A 2009 (H1N1) virus infection in immunosuppressed patients with hospital admission and compare them with those of a general population. A multicenter prospective cohort study was carried out. All adult patients admitted to 13 hospitals in Spain with confirmed influenza A 2009 (H1N1) virus infection from June 12, 2009 to November 11, 2009 were included. Risk factors for complicated influenza infection were studied in immunosuppressed patients. Overall, 559 patients were included, of which 56 were immunosuppressed, nine with solid or hematological malignancies, 18 with solid-organ transplant recipients, 13 with corticosteroid therapy, and six with other types of immunosuppression. Clinical findings at diagnosis were similar in both groups. Nineteen immunosuppressed patients had pneumonia (33.9%). Immunosuppressed patients with pandemic influenza had bacterial co-infection more frequently (17.9% vs. 6.4%,p=0.02), specifically, gram-negative bacilli and Staphylococcus aureus infections. Mortality was higher in immunosuppressed patients (7.1% vs. 1.8%, p<0.05). The only modifiable risk factor of complicated influenza A 2009 (H1N1) was delayed antiviral therapy. In immunosuppressed patients, influenza A 2009 (H1N1) virus infection has higher mortality than in non-immunosuppressed individuals. Bacterial co-infection is common in complicated cases.</div>
</front>
</TEI>
<affiliations>
<list>
<country>
<li>Espagne</li>
</country>
<region>
<li>Andalousie</li>
<li>Catalogne</li>
<li>Communauté de Madrid</li>
</region>
<settlement>
<li>Barcelone</li>
<li>Madrid</li>
</settlement>
</list>
<tree>
<country name="Espagne">
<region name="Andalousie">
<name sortKey="Cordero, E" sort="Cordero, E" uniqKey="Cordero E" first="E." last="Cordero">E. Cordero</name>
</region>
<name sortKey="Aydillo, T" sort="Aydillo, T" uniqKey="Aydillo T" first="T." last="Aydillo">T. Aydillo</name>
<name sortKey="Carratala, J" sort="Carratala, J" uniqKey="Carratala J" first="J." last="Carratala">J. Carratala</name>
<name sortKey="Farinas, M C" sort="Farinas, M C" uniqKey="Farinas M" first="M. C." last="Farinas">M. C. Farinas</name>
<name sortKey="Lopez Medrano, F" sort="Lopez Medrano, F" uniqKey="Lopez Medrano F" first="F." last="Lopez-Medrano">F. Lopez-Medrano</name>
<name sortKey="Martinez Montauti, J" sort="Martinez Montauti, J" uniqKey="Martinez Montauti J" first="J." last="Martinez-Montauti">J. Martinez-Montauti</name>
<name sortKey="Moreno, A" sort="Moreno, A" uniqKey="Moreno A" first="A." last="Moreno">A. Moreno</name>
<name sortKey="Oteo, J A" sort="Oteo, J A" uniqKey="Oteo J" first="J. A." last="Oteo">J. A. Oteo</name>
<name sortKey="Pachon, J" sort="Pachon, J" uniqKey="Pachon J" first="J." last="Pachon">J. Pachon</name>
<name sortKey="Pano Pardo, J R" sort="Pano Pardo, J R" uniqKey="Pano Pardo J" first="J. R." last="Pano-Pardo">J. R. Pano-Pardo</name>
<name sortKey="Payeras, A" sort="Payeras, A" uniqKey="Payeras A" first="A." last="Payeras">A. Payeras</name>
<name sortKey="Riera, M" sort="Riera, M" uniqKey="Riera M" first="M." last="Riera">M. Riera</name>
<name sortKey="Rodriguez Bano, J" sort="Rodriguez Bano, J" uniqKey="Rodriguez Bano J" first="J." last="Rodriguez-Bano">J. Rodriguez-Bano</name>
<name sortKey="Segura, F" sort="Segura, F" uniqKey="Segura F" first="F." last="Segura">F. Segura</name>
<name sortKey="Torre Cisneros, J" sort="Torre Cisneros, J" uniqKey="Torre Cisneros J" first="J." last="Torre-Cisneros">J. Torre-Cisneros</name>
<name sortKey="Viasus, D" sort="Viasus, D" uniqKey="Viasus D" first="D." last="Viasus">D. Viasus</name>
</country>
</tree>
</affiliations>
</record>

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