Effect of expanded US recommendations for seasonal influenza vaccination: comparison of two pediatric emergency departments in the United States and Canada.
Identifieur interne : 000534 ( Main/Exploration ); précédent : 000533; suivant : 000535Effect of expanded US recommendations for seasonal influenza vaccination: comparison of two pediatric emergency departments in the United States and Canada.
Auteurs : Anne Gatewood Hoen [États-Unis] ; David L. Buckeridge ; Katia M L. Charland ; Kenneth D. Mandl ; Caroline Quach ; John S. BrownsteinSource :
- CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne [ 1488-2329 ] ; 2011.
Descripteurs français
- KwdFr :
- Adolescent, Canada, Enfant, Enfant d'âge préscolaire, Grippe humaine (), Grippe humaine (épidémiologie), Guides de bonnes pratiques cliniques comme sujet, Humains, Nourrisson, Pédiatrie, Répartition par âge, Service hospitalier d'urgences, Vaccins antigrippaux, États-Unis d'Amérique, Études rétrospectives.
- MESH :
- épidémiologie : Grippe humaine.
- Adolescent, Canada, Enfant, Enfant d'âge préscolaire, Grippe humaine, Guides de bonnes pratiques cliniques comme sujet, Humains, Nourrisson, Pédiatrie, Répartition par âge, Service hospitalier d'urgences, Vaccins antigrippaux, États-Unis d'Amérique, Études rétrospectives.
- Wicri :
- geographic : Canada, États-Unis.
English descriptors
- KwdEn :
- MESH :
- chemical : Influenza Vaccines.
- geographic : Canada, United States.
- epidemiology : Influenza, Human.
- prevention & control : Influenza, Human.
- Adolescent, Age Distribution, Child, Child, Preschool, Emergency Service, Hospital, Humans, Infant, Pediatrics, Practice Guidelines as Topic, Retrospective Studies.
Abstract
BACKGROUND
Starting in the 2006/2007 influenza season, the US Advisory Committee on Immunization Practices expanded its recommendations for seasonal influenza vaccination to include healthy children aged 24-59 months. The parallel Canadian organization, the National Advisory Committee on Immunization, did not at that time issue a similar recommendation, thereby creating a natural experiment to evaluate the effect of the policy in the United States.
METHODS
We examined data for 2000/2001 through 2008/2009 and estimated relative changes in visits to the emergency department for influenza-like illness at two pediatric hospitals, one in Boston, Massachusetts, and the other in Montréal, Quebec, following the US policy change. Models were adjusted for virologic factors, seasonal trends and all-cause utilization of the emergency department.
RESULTS
Of 1 043 989 visits to the emergency departments of the two hospitals for any reason during the study period, 114 657 visits were related to influenza-like illness. Adjusted models estimated a 34% decline in rates of influenza-like illness among children two to four years old in the US hospital relative to the Canadian hospital (rate ratio 0.66, 95% confidence interval 0.58-0.75) following the 2006 policy change of the Advisory Committee on Immunization Practices. This was accompanied by more modest declines of 11% to 18% for the other age groups studied.
INTERPRETATION
The divergence in influenza rates among children in the US and Canadian sample populations after institution of the US policy to vaccinate children two to four years of age is evidence that the recommendation of the US Advisory Committee on Immunization Practices resulted in a reduction in influenza-related morbidity in the target group and may have indirectly affected other pediatric age groups. Provincial adoption of the 2010 recommendation of the National Advisory Committee on Immunization in Canada to vaccinate children two to four years of age might positively affect influenza morbidity in Canada.
DOI: 10.1503/cmaj.110241
PubMed: 21930745
Affiliations:
Links toward previous steps (curation, corpus...)
Le document en format XML
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Buckeridge</name></author><author><name sortKey="Charland, Katia M L" sort="Charland, Katia M L" uniqKey="Charland K" first="Katia M L" last="Charland">Katia M L. Charland</name></author><author><name sortKey="Mandl, Kenneth D" sort="Mandl, Kenneth D" uniqKey="Mandl K" first="Kenneth D" last="Mandl">Kenneth D. Mandl</name></author><author><name sortKey="Quach, Caroline" sort="Quach, Caroline" uniqKey="Quach C" first="Caroline" last="Quach">Caroline Quach</name></author><author><name sortKey="Brownstein, John S" sort="Brownstein, John S" uniqKey="Brownstein J" first="John S" last="Brownstein">John S. 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Buckeridge</name></author><author><name sortKey="Charland, Katia M L" sort="Charland, Katia M L" uniqKey="Charland K" first="Katia M L" last="Charland">Katia M L. Charland</name></author><author><name sortKey="Mandl, Kenneth D" sort="Mandl, Kenneth D" uniqKey="Mandl K" first="Kenneth D" last="Mandl">Kenneth D. Mandl</name></author><author><name sortKey="Quach, Caroline" sort="Quach, Caroline" uniqKey="Quach C" first="Caroline" last="Quach">Caroline Quach</name></author><author><name sortKey="Brownstein, John S" sort="Brownstein, John S" uniqKey="Brownstein J" first="John S" last="Brownstein">John S. Brownstein</name></author></analytic><series><title level="j">CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne</title><idno type="eISSN">1488-2329</idno><imprint><date when="2011" type="published">2011</date></imprint></series></biblStruct></sourceDesc></fileDesc><profileDesc><textClass><keywords scheme="KwdEn" xml:lang="en"><term>Adolescent</term><term>Age Distribution</term><term>Canada</term><term>Child</term><term>Child, Preschool</term><term>Emergency Service, Hospital</term><term>Humans</term><term>Infant</term><term>Influenza Vaccines</term><term>Influenza, Human (epidemiology)</term><term>Influenza, Human (prevention & control)</term><term>Pediatrics</term><term>Practice Guidelines as Topic</term><term>Retrospective Studies</term><term>United States</term></keywords><keywords scheme="KwdFr" xml:lang="fr"><term>Adolescent</term><term>Canada</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Grippe humaine ()</term><term>Grippe humaine (épidémiologie)</term><term>Guides de bonnes pratiques cliniques comme sujet</term><term>Humains</term><term>Nourrisson</term><term>Pédiatrie</term><term>Répartition par âge</term><term>Service hospitalier d'urgences</term><term>Vaccins antigrippaux</term><term>États-Unis d'Amérique</term><term>Études rétrospectives</term></keywords><keywords scheme="MESH" type="chemical" xml:lang="en"><term>Influenza Vaccines</term></keywords><keywords scheme="MESH" type="geographic" xml:lang="en"><term>Canada</term><term>United States</term></keywords><keywords scheme="MESH" qualifier="epidemiology" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="prevention & control" xml:lang="en"><term>Influenza, Human</term></keywords><keywords scheme="MESH" qualifier="épidémiologie" xml:lang="fr"><term>Grippe humaine</term></keywords><keywords scheme="MESH" xml:lang="en"><term>Adolescent</term><term>Age Distribution</term><term>Child</term><term>Child, Preschool</term><term>Emergency Service, Hospital</term><term>Humans</term><term>Infant</term><term>Pediatrics</term><term>Practice Guidelines as Topic</term><term>Retrospective Studies</term></keywords><keywords scheme="MESH" xml:lang="fr"><term>Adolescent</term><term>Canada</term><term>Enfant</term><term>Enfant d'âge préscolaire</term><term>Grippe humaine</term><term>Guides de bonnes pratiques cliniques comme sujet</term><term>Humains</term><term>Nourrisson</term><term>Pédiatrie</term><term>Répartition par âge</term><term>Service hospitalier d'urgences</term><term>Vaccins antigrippaux</term><term>États-Unis d'Amérique</term><term>Études rétrospectives</term></keywords><keywords scheme="Wicri" type="geographic" xml:lang="fr"><term>Canada</term><term>États-Unis</term></keywords></textClass></profileDesc></teiHeader><front><div type="abstract" xml:lang="en"><p><b>BACKGROUND</b></p><p>Starting in the 2006/2007 influenza season, the US Advisory Committee on Immunization Practices expanded its recommendations for seasonal influenza vaccination to include healthy children aged 24-59 months. The parallel Canadian organization, the National Advisory Committee on Immunization, did not at that time issue a similar recommendation, thereby creating a natural experiment to evaluate the effect of the policy in the United States.</p></div><div type="abstract" xml:lang="en"><p><b>METHODS</b></p><p>We examined data for 2000/2001 through 2008/2009 and estimated relative changes in visits to the emergency department for influenza-like illness at two pediatric hospitals, one in Boston, Massachusetts, and the other in Montréal, Quebec, following the US policy change. Models were adjusted for virologic factors, seasonal trends and all-cause utilization of the emergency department.</p></div><div type="abstract" xml:lang="en"><p><b>RESULTS</b></p><p>Of 1 043 989 visits to the emergency departments of the two hospitals for any reason during the study period, 114 657 visits were related to influenza-like illness. Adjusted models estimated a 34% decline in rates of influenza-like illness among children two to four years old in the US hospital relative to the Canadian hospital (rate ratio 0.66, 95% confidence interval 0.58-0.75) following the 2006 policy change of the Advisory Committee on Immunization Practices. This was accompanied by more modest declines of 11% to 18% for the other age groups studied.</p></div><div type="abstract" xml:lang="en"><p><b>INTERPRETATION</b></p><p>The divergence in influenza rates among children in the US and Canadian sample populations after institution of the US policy to vaccinate children two to four years of age is evidence that the recommendation of the US Advisory Committee on Immunization Practices resulted in a reduction in influenza-related morbidity in the target group and may have indirectly affected other pediatric age groups. Provincial adoption of the 2010 recommendation of the National Advisory Committee on Immunization in Canada to vaccinate children two to four years of age might positively affect influenza morbidity in Canada.</p></div></front></TEI><pubmed><MedlineCitation Status="MEDLINE" Owner="NLM"><PMID Version="1">21930745</PMID><DateCompleted><Year>2011</Year><Month>11</Month><Day>08</Day></DateCompleted><DateRevised><Year>2018</Year><Month>11</Month><Day>13</Day></DateRevised><Article PubModel="Print"><Journal><ISSN IssnType="Electronic">1488-2329</ISSN><JournalIssue CitedMedium="Internet"><Volume>183</Volume><Issue>13</Issue><PubDate><Year>2011</Year><Month>Sep</Month><Day>20</Day></PubDate></JournalIssue><Title>CMAJ : Canadian Medical Association journal = journal de l'Association medicale canadienne</Title><ISOAbbreviation>CMAJ</ISOAbbreviation></Journal><ArticleTitle>Effect of expanded US recommendations for seasonal influenza vaccination: comparison of two pediatric emergency departments in the United States and Canada.</ArticleTitle><Pagination><MedlinePgn>E1025-32</MedlinePgn></Pagination><ELocationID EIdType="doi" ValidYN="Y">10.1503/cmaj.110241</ELocationID><Abstract><AbstractText Label="BACKGROUND" NlmCategory="BACKGROUND">Starting in the 2006/2007 influenza season, the US Advisory Committee on Immunization Practices expanded its recommendations for seasonal influenza vaccination to include healthy children aged 24-59 months. The parallel Canadian organization, the National Advisory Committee on Immunization, did not at that time issue a similar recommendation, thereby creating a natural experiment to evaluate the effect of the policy in the United States.</AbstractText><AbstractText Label="METHODS" NlmCategory="METHODS">We examined data for 2000/2001 through 2008/2009 and estimated relative changes in visits to the emergency department for influenza-like illness at two pediatric hospitals, one in Boston, Massachusetts, and the other in Montréal, Quebec, following the US policy change. Models were adjusted for virologic factors, seasonal trends and all-cause utilization of the emergency department.</AbstractText><AbstractText Label="RESULTS" NlmCategory="RESULTS">Of 1 043 989 visits to the emergency departments of the two hospitals for any reason during the study period, 114 657 visits were related to influenza-like illness. Adjusted models estimated a 34% decline in rates of influenza-like illness among children two to four years old in the US hospital relative to the Canadian hospital (rate ratio 0.66, 95% confidence interval 0.58-0.75) following the 2006 policy change of the Advisory Committee on Immunization Practices. This was accompanied by more modest declines of 11% to 18% for the other age groups studied.</AbstractText><AbstractText Label="INTERPRETATION" NlmCategory="CONCLUSIONS">The divergence in influenza rates among children in the US and Canadian sample populations after institution of the US policy to vaccinate children two to four years of age is evidence that the recommendation of the US Advisory Committee on Immunization Practices resulted in a reduction in influenza-related morbidity in the target group and may have indirectly affected other pediatric age groups. Provincial adoption of the 2010 recommendation of the National Advisory Committee on Immunization in Canada to vaccinate children two to four years of age might positively affect influenza morbidity in Canada.</AbstractText></Abstract><AuthorList CompleteYN="Y"><Author ValidYN="Y"><LastName>Hoen</LastName><ForeName>Anne Gatewood</ForeName><Initials>AG</Initials><AffiliationInfo><Affiliation>Computational Epidemiology Group, Children's Hospital Informatics Program, Children's Hospital Boston, Boston, MA, USA.</Affiliation></AffiliationInfo></Author><Author ValidYN="Y"><LastName>Buckeridge</LastName><ForeName>David L</ForeName><Initials>DL</Initials></Author><Author ValidYN="Y"><LastName>Charland</LastName><ForeName>Katia M L</ForeName><Initials>KM</Initials></Author><Author ValidYN="Y"><LastName>Mandl</LastName><ForeName>Kenneth D</ForeName><Initials>KD</Initials></Author><Author ValidYN="Y"><LastName>Quach</LastName><ForeName>Caroline</ForeName><Initials>C</Initials></Author><Author 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Brownstein</name><name sortKey="Buckeridge, David L" sort="Buckeridge, David L" uniqKey="Buckeridge D" first="David L" last="Buckeridge">David L. Buckeridge</name><name sortKey="Charland, Katia M L" sort="Charland, Katia M L" uniqKey="Charland K" first="Katia M L" last="Charland">Katia M L. Charland</name><name sortKey="Mandl, Kenneth D" sort="Mandl, Kenneth D" uniqKey="Mandl K" first="Kenneth D" last="Mandl">Kenneth D. Mandl</name><name sortKey="Quach, Caroline" sort="Quach, Caroline" uniqKey="Quach C" first="Caroline" last="Quach">Caroline Quach</name></noCountry><country name="États-Unis"><region name="Massachusetts"><name sortKey="Hoen, Anne Gatewood" sort="Hoen, Anne Gatewood" uniqKey="Hoen A" first="Anne Gatewood" last="Hoen">Anne Gatewood Hoen</name></region></country></tree></affiliations></record>Pour manipuler ce document sous Unix (Dilib)
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