French experience of 2009 A/H1N1v influenza in pregnant women.

<h4>Background</h4>The first reports on the pandemic influenza 2009 A/H1N1v from the USA, Mexico, and Australia indicated that this disease was associated with a high mortality in pregnant women. The aim of this study was to describe and compare the characteristics of severe critically i...

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Autores principales: Grégory Dubar, Elie Azria, Antoine Tesnière, Hervé Dupont, Camille Le Ray, Thomas Baugnon, Sophie Matheron, Dominique Luton, Jean-Christophe Richard, Odile Launay, Vassilis Tsatsaris, François Goffinet, Alexandre Mignon, French Registry on 2009 A/H1N1v during pregnancy
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Publicado: Public Library of Science (PLoS) 2010
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spelling oai:doaj.org-article:75a57b265c9c4811ab4081a5e087652e2021-11-18T07:03:39ZFrench experience of 2009 A/H1N1v influenza in pregnant women.1932-620310.1371/journal.pone.0013112https://doaj.org/article/75a57b265c9c4811ab4081a5e087652e2010-10-01T00:00:00Zhttps://www.ncbi.nlm.nih.gov/pmc/articles/pmid/20957195/pdf/?tool=EBIhttps://doaj.org/toc/1932-6203<h4>Background</h4>The first reports on the pandemic influenza 2009 A/H1N1v from the USA, Mexico, and Australia indicated that this disease was associated with a high mortality in pregnant women. The aim of this study was to describe and compare the characteristics of severe critically ill and non-severe pregnant women with 2009 A/H1N1v-related illness in France.<h4>Methodology/principal findings</h4>A national registry was created to screen pregnant women with laboratory-confirmed 2009 A/H1N1v influenza. Three hundred and fifteen patients from 46 French hospitals were included: 40 patients were admitted to intensive care units (severe outcomes), 111 were hospitalized in obstetric or medical wards (moderate outcomes), and 164 were outpatients (mild outcomes). The 2009 A/H1N1v influenza illness occurred during all pregnancy trimesters, but most women (54%), notably the severe patients (70%), were in the third trimester. Among the severe patients, twenty (50%) underwent mechanical ventilation, and eleven (28%) were treated with extracorporeal membrane oxygenation. Three women died from A/H1N1v influenza. We found a strong association between the development of a severe outcome and both co-existing illnesses (adjusted odds ratio [OR], 5.1; 95% confidence interval [CI], 2.2-11.8) and a delay in oseltamivir treatment after the onset of symptoms (>3 or 5 days) (adjusted OR, 4.8; 95% CI, 1.9-12.1 and 61.2, 95% CI; 14.4-261.3, respectively). Among the 140 deliveries after 22 weeks of gestation known to date, 19 neonates (14%) were admitted to a neonatal intensive care unit, mainly for preterm delivery, and two neonates died. None of these neonates developed 2009 A/H1N1v infection.<h4>Conclusions</h4>This series confirms the high incidence of complications in pregnant women infected with pandemic A/H1N1v observed in other countries but depicts a lower overall maternal and neonatal mortality and morbidity than indicated in the USA or Australia. Moreover, our data demonstrate the benefit of early oseltamivir treatment in this specific population.Grégory DubarElie AzriaAntoine TesnièreHervé DupontCamille Le RayThomas BaugnonSophie MatheronDominique LutonJean-Christophe RichardOdile LaunayVassilis TsatsarisFrançois GoffinetAlexandre MignonFrench Registry on 2009 A/H1N1v during pregnancyPublic Library of Science (PLoS)articleMedicineRScienceQENPLoS ONE, Vol 5, Iss 10 (2010)
institution DOAJ
collection DOAJ
language EN
topic Medicine
R
Science
Q
spellingShingle Medicine
R
Science
Q
Grégory Dubar
Elie Azria
Antoine Tesnière
Hervé Dupont
Camille Le Ray
Thomas Baugnon
Sophie Matheron
Dominique Luton
Jean-Christophe Richard
Odile Launay
Vassilis Tsatsaris
François Goffinet
Alexandre Mignon
French Registry on 2009 A/H1N1v during pregnancy
French experience of 2009 A/H1N1v influenza in pregnant women.
description <h4>Background</h4>The first reports on the pandemic influenza 2009 A/H1N1v from the USA, Mexico, and Australia indicated that this disease was associated with a high mortality in pregnant women. The aim of this study was to describe and compare the characteristics of severe critically ill and non-severe pregnant women with 2009 A/H1N1v-related illness in France.<h4>Methodology/principal findings</h4>A national registry was created to screen pregnant women with laboratory-confirmed 2009 A/H1N1v influenza. Three hundred and fifteen patients from 46 French hospitals were included: 40 patients were admitted to intensive care units (severe outcomes), 111 were hospitalized in obstetric or medical wards (moderate outcomes), and 164 were outpatients (mild outcomes). The 2009 A/H1N1v influenza illness occurred during all pregnancy trimesters, but most women (54%), notably the severe patients (70%), were in the third trimester. Among the severe patients, twenty (50%) underwent mechanical ventilation, and eleven (28%) were treated with extracorporeal membrane oxygenation. Three women died from A/H1N1v influenza. We found a strong association between the development of a severe outcome and both co-existing illnesses (adjusted odds ratio [OR], 5.1; 95% confidence interval [CI], 2.2-11.8) and a delay in oseltamivir treatment after the onset of symptoms (>3 or 5 days) (adjusted OR, 4.8; 95% CI, 1.9-12.1 and 61.2, 95% CI; 14.4-261.3, respectively). Among the 140 deliveries after 22 weeks of gestation known to date, 19 neonates (14%) were admitted to a neonatal intensive care unit, mainly for preterm delivery, and two neonates died. None of these neonates developed 2009 A/H1N1v infection.<h4>Conclusions</h4>This series confirms the high incidence of complications in pregnant women infected with pandemic A/H1N1v observed in other countries but depicts a lower overall maternal and neonatal mortality and morbidity than indicated in the USA or Australia. Moreover, our data demonstrate the benefit of early oseltamivir treatment in this specific population.
format article
author Grégory Dubar
Elie Azria
Antoine Tesnière
Hervé Dupont
Camille Le Ray
Thomas Baugnon
Sophie Matheron
Dominique Luton
Jean-Christophe Richard
Odile Launay
Vassilis Tsatsaris
François Goffinet
Alexandre Mignon
French Registry on 2009 A/H1N1v during pregnancy
author_facet Grégory Dubar
Elie Azria
Antoine Tesnière
Hervé Dupont
Camille Le Ray
Thomas Baugnon
Sophie Matheron
Dominique Luton
Jean-Christophe Richard
Odile Launay
Vassilis Tsatsaris
François Goffinet
Alexandre Mignon
French Registry on 2009 A/H1N1v during pregnancy
author_sort Grégory Dubar
title French experience of 2009 A/H1N1v influenza in pregnant women.
title_short French experience of 2009 A/H1N1v influenza in pregnant women.
title_full French experience of 2009 A/H1N1v influenza in pregnant women.
title_fullStr French experience of 2009 A/H1N1v influenza in pregnant women.
title_full_unstemmed French experience of 2009 A/H1N1v influenza in pregnant women.
title_sort french experience of 2009 a/h1n1v influenza in pregnant women.
publisher Public Library of Science (PLoS)
publishDate 2010
url https://doaj.org/article/75a57b265c9c4811ab4081a5e087652e
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