Intensive care unit admissions for community-acquired pneumonia are seasonal but are not associated with weather or reports of influenza-like illness in the community
Abstract Purpose The aims of this study were to determine if there is seasonal variation in the number of intensive care unit (ICU) admissions for community-acquired pneumonia (CAP) and if there is a relationship between these admissions and weather or reports of influenza-like illness in the commun...
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| Veröffentlicht in: | Journal of critical care 2011-06, Vol.26 (3), p.228-233 |
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| creator | Dodek, Peter M., MD, MHSc Norena, Monica, MSc Keenan, Sean P., MD, MSc Teja, Aleem, MSc Wong, Hubert, PhD |
| description | Abstract Purpose The aims of this study were to determine if there is seasonal variation in the number of intensive care unit (ICU) admissions for community-acquired pneumonia (CAP) and if there is a relationship between these admissions and weather or reports of influenza-like illness in the community. Materials and Methods In this time series analysis in 3 medical-surgical ICUs (8, 13, and 20 beds) in the Vancouver region, we included patients admitted to adult ICUs for CAP between January 2002 and March 2006. We used Poisson regression to analyze the association between weekly number of ICU admissions for CAP, and average temperature, range in temperature, total precipitation, and cases of influenza-like illness/100 physician visits reported by sentinel physicians in the community. Results In 740 patients admitted to ICUs for CAP, admissions peaked each year in the winter-spring months. In multivariate models, a sine function with a single annual peak was independently associated with number of patients admitted to ICU for CAP (rate ratio [95% confidence interval], 1.12 [1.00, 1.26]), but neither the weather measurements nor the weekly rate of reported influenza-like illness was significantly associated. Conclusion Intensive care unit admissions for CAP are seasonal, but neither weather measurements nor weekly rate of reported influenza-like illness in the community is associated with these admissions. |
| doi_str_mv | 10.1016/j.jcrc.2010.08.011 |
| format | Article |
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Materials and Methods In this time series analysis in 3 medical-surgical ICUs (8, 13, and 20 beds) in the Vancouver region, we included patients admitted to adult ICUs for CAP between January 2002 and March 2006. We used Poisson regression to analyze the association between weekly number of ICU admissions for CAP, and average temperature, range in temperature, total precipitation, and cases of influenza-like illness/100 physician visits reported by sentinel physicians in the community. Results In 740 patients admitted to ICUs for CAP, admissions peaked each year in the winter-spring months. In multivariate models, a sine function with a single annual peak was independently associated with number of patients admitted to ICU for CAP (rate ratio [95% confidence interval], 1.12 [1.00, 1.26]), but neither the weather measurements nor the weekly rate of reported influenza-like illness was significantly associated. Conclusion Intensive care unit admissions for CAP are seasonal, but neither weather measurements nor weekly rate of reported influenza-like illness in the community is associated with these admissions.</description><identifier>ISSN: 0883-9441</identifier><identifier>EISSN: 1557-8615</identifier><identifier>DOI: 10.1016/j.jcrc.2010.08.011</identifier><identifier>PMID: 21036532</identifier><language>eng</language><publisher>United States: Elsevier Inc</publisher><subject>Aged ; Aged, 80 and over ; British Columbia - epidemiology ; Community-Acquired Infections - epidemiology ; Community-Acquired Infections - therapy ; Community-acquired pneumonia ; Confidence intervals ; Critical Care ; Female ; Hospitalization ; Hospitals ; Humans ; Illnesses ; Influenza, Human - epidemiology ; Intensive care ; Intensive Care Units - statistics & numerical data ; Male ; Middle Aged ; Patient Admission - statistics & numerical data ; Physicians ; Pneumonia - epidemiology ; Pneumonia - therapy ; Precipitation ; Seasonal variation ; Seasons ; Studies ; Temperature ; Variables ; Weather</subject><ispartof>Journal of critical care, 2011-06, Vol.26 (3), p.228-233</ispartof><rights>Elsevier Inc.</rights><rights>2011 Elsevier Inc.</rights><rights>Copyright © 2011 Elsevier Inc. All rights reserved.</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c438t-4d4c7562176c1c7095211ee6892c9b1001977ea4b6eb56cf912ddfe1d94261813</citedby><cites>FETCH-LOGICAL-c438t-4d4c7562176c1c7095211ee6892c9b1001977ea4b6eb56cf912ddfe1d94261813</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktohtml>$$Uhttps://www.proquest.com/docview/1033241575?pq-origsite=primo$$EHTML$$P50$$Gproquest$$H</linktohtml><link.rule.ids>314,780,784,3550,27924,27925,45995,64385,64387,64389,72469</link.rule.ids><backlink>$$Uhttps://www.ncbi.nlm.nih.gov/pubmed/21036532$$D View this record in MEDLINE/PubMed$$Hfree_for_read</backlink></links><search><creatorcontrib>Dodek, Peter M., MD, MHSc</creatorcontrib><creatorcontrib>Norena, Monica, MSc</creatorcontrib><creatorcontrib>Keenan, Sean P., MD, MSc</creatorcontrib><creatorcontrib>Teja, Aleem, MSc</creatorcontrib><creatorcontrib>Wong, Hubert, PhD</creatorcontrib><title>Intensive care unit admissions for community-acquired pneumonia are seasonal but are not associated with weather or reports of influenza-like illness in the community</title><title>Journal of critical care</title><addtitle>J Crit Care</addtitle><description>Abstract Purpose The aims of this study were to determine if there is seasonal variation in the number of intensive care unit (ICU) admissions for community-acquired pneumonia (CAP) and if there is a relationship between these admissions and weather or reports of influenza-like illness in the community. Materials and Methods In this time series analysis in 3 medical-surgical ICUs (8, 13, and 20 beds) in the Vancouver region, we included patients admitted to adult ICUs for CAP between January 2002 and March 2006. We used Poisson regression to analyze the association between weekly number of ICU admissions for CAP, and average temperature, range in temperature, total precipitation, and cases of influenza-like illness/100 physician visits reported by sentinel physicians in the community. Results In 740 patients admitted to ICUs for CAP, admissions peaked each year in the winter-spring months. In multivariate models, a sine function with a single annual peak was independently associated with number of patients admitted to ICU for CAP (rate ratio [95% confidence interval], 1.12 [1.00, 1.26]), but neither the weather measurements nor the weekly rate of reported influenza-like illness was significantly associated. Conclusion Intensive care unit admissions for CAP are seasonal, but neither weather measurements nor weekly rate of reported influenza-like illness in the community is associated with these admissions.</description><subject>Aged</subject><subject>Aged, 80 and over</subject><subject>British Columbia - epidemiology</subject><subject>Community-Acquired Infections - epidemiology</subject><subject>Community-Acquired Infections - therapy</subject><subject>Community-acquired pneumonia</subject><subject>Confidence intervals</subject><subject>Critical Care</subject><subject>Female</subject><subject>Hospitalization</subject><subject>Hospitals</subject><subject>Humans</subject><subject>Illnesses</subject><subject>Influenza, Human - epidemiology</subject><subject>Intensive care</subject><subject>Intensive Care Units - statistics & numerical data</subject><subject>Male</subject><subject>Middle Aged</subject><subject>Patient Admission - statistics & numerical data</subject><subject>Physicians</subject><subject>Pneumonia - epidemiology</subject><subject>Pneumonia - therapy</subject><subject>Precipitation</subject><subject>Seasonal variation</subject><subject>Seasons</subject><subject>Studies</subject><subject>Temperature</subject><subject>Variables</subject><subject>Weather</subject><issn>0883-9441</issn><issn>1557-8615</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2011</creationdate><recordtype>article</recordtype><sourceid>EIF</sourceid><sourceid>8G5</sourceid><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><sourceid>GNUQQ</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNp9kkuLFDEUhYMoTjv6B1xIwIWravOo1ANEkMHHwIALdR1SqVtMelJJT25qhvYH-TtN2aMDs3AVcvnOCTnnEvKSsy1nvHm72-5sslvByoB1W8b5I7LhSrVV13D1mGxY18mqr2t-Qp4h7hjjrZTqKTkRnMlGSbEhv85DhoDuBqg1CegSXKZmnB2iiwHpFBO1cZ7X-aEy9npxCUa6D7DMMThDVxGCwRiMp8OS_wxCLCditM7kQt-6fElvweRLSLQYJtjHlJHGibow-QXCT1N5dwXUeR8AsYxpge9ffk6eTMYjvLg7T8mPTx-_n32pLr5-Pj_7cFHZWna5qsfatqoRvG0sty3rleAcoOl6YfuBlwD6tgVTDw0MqrFTz8U4TsDHvhYN77g8JW-OvvsUrxfArEsSFrw3AeKCuitWveqlKuTrB-QuLqmEgLqEK0XNVbtS4kjZFBETTHqf3GzSoUB6LVHv9FqiXkvUrNOlxCJ6dWe9DDOM_yR_WyvAuyMAJYobB0mjdRAsjKUcm_UY3f_93z-QW--Cs8ZfwQHw_h8ahWb627pG6xaV_JiQ5fIbyB7FWA</recordid><startdate>20110601</startdate><enddate>20110601</enddate><creator>Dodek, Peter M., MD, MHSc</creator><creator>Norena, Monica, MSc</creator><creator>Keenan, Sean P., MD, MSc</creator><creator>Teja, Aleem, MSc</creator><creator>Wong, Hubert, PhD</creator><general>Elsevier Inc</general><general>Elsevier Limited</general><scope>CGR</scope><scope>CUY</scope><scope>CVF</scope><scope>ECM</scope><scope>EIF</scope><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>3V.</scope><scope>7RV</scope><scope>7X7</scope><scope>7XB</scope><scope>88E</scope><scope>8FI</scope><scope>8FJ</scope><scope>8FK</scope><scope>8G5</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AN0</scope><scope>ASE</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FPQ</scope><scope>FYUFA</scope><scope>GHDGH</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>K6X</scope><scope>K9.</scope><scope>KB0</scope><scope>M0S</scope><scope>M1P</scope><scope>M2O</scope><scope>MBDVC</scope><scope>NAPCQ</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>Q9U</scope><scope>7X8</scope></search><sort><creationdate>20110601</creationdate><title>Intensive care unit admissions for community-acquired pneumonia are seasonal but are not associated with weather or reports of influenza-like illness in the community</title><author>Dodek, Peter M., MD, MHSc ; Norena, Monica, MSc ; Keenan, Sean P., MD, MSc ; Teja, Aleem, MSc ; Wong, Hubert, PhD</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c438t-4d4c7562176c1c7095211ee6892c9b1001977ea4b6eb56cf912ddfe1d94261813</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2011</creationdate><topic>Aged</topic><topic>Aged, 80 and over</topic><topic>British Columbia - epidemiology</topic><topic>Community-Acquired Infections - epidemiology</topic><topic>Community-Acquired Infections - therapy</topic><topic>Community-acquired pneumonia</topic><topic>Confidence intervals</topic><topic>Critical Care</topic><topic>Female</topic><topic>Hospitalization</topic><topic>Hospitals</topic><topic>Humans</topic><topic>Illnesses</topic><topic>Influenza, Human - epidemiology</topic><topic>Intensive care</topic><topic>Intensive Care Units - statistics & numerical data</topic><topic>Male</topic><topic>Middle Aged</topic><topic>Patient Admission - statistics & numerical data</topic><topic>Physicians</topic><topic>Pneumonia - epidemiology</topic><topic>Pneumonia - therapy</topic><topic>Precipitation</topic><topic>Seasonal variation</topic><topic>Seasons</topic><topic>Studies</topic><topic>Temperature</topic><topic>Variables</topic><topic>Weather</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Dodek, Peter M., MD, MHSc</creatorcontrib><creatorcontrib>Norena, Monica, MSc</creatorcontrib><creatorcontrib>Keenan, Sean P., MD, MSc</creatorcontrib><creatorcontrib>Teja, Aleem, MSc</creatorcontrib><creatorcontrib>Wong, Hubert, PhD</creatorcontrib><collection>Medline</collection><collection>MEDLINE</collection><collection>MEDLINE (Ovid)</collection><collection>MEDLINE</collection><collection>MEDLINE</collection><collection>PubMed</collection><collection>CrossRef</collection><collection>ProQuest Central (Corporate)</collection><collection>Nursing & Allied Health Database</collection><collection>Health & Medical Collection</collection><collection>ProQuest Central (purchase pre-March 2016)</collection><collection>Medical Database (Alumni Edition)</collection><collection>Hospital Premium Collection</collection><collection>Hospital Premium Collection (Alumni Edition)</collection><collection>ProQuest Central (Alumni) (purchase pre-March 2016)</collection><collection>Research Library (Alumni Edition)</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>British Nursing Database</collection><collection>British Nursing Index</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>ProQuest One Community College</collection><collection>ProQuest Central Korea</collection><collection>British Nursing Index (BNI) (1985 to Present)</collection><collection>Health Research Premium Collection</collection><collection>Health Research Premium Collection (Alumni)</collection><collection>ProQuest Central Student</collection><collection>Research Library Prep</collection><collection>British Nursing Index</collection><collection>ProQuest Health & Medical Complete (Alumni)</collection><collection>Nursing & Allied Health Database (Alumni Edition)</collection><collection>Health & Medical Collection (Alumni Edition)</collection><collection>Medical Database</collection><collection>Research Library</collection><collection>Research Library (Corporate)</collection><collection>Nursing & Allied Health Premium</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>ProQuest Central Basic</collection><collection>MEDLINE - Academic</collection><jtitle>Journal of critical care</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Dodek, Peter M., MD, MHSc</au><au>Norena, Monica, MSc</au><au>Keenan, Sean P., MD, MSc</au><au>Teja, Aleem, MSc</au><au>Wong, Hubert, PhD</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Intensive care unit admissions for community-acquired pneumonia are seasonal but are not associated with weather or reports of influenza-like illness in the community</atitle><jtitle>Journal of critical care</jtitle><addtitle>J Crit Care</addtitle><date>2011-06-01</date><risdate>2011</risdate><volume>26</volume><issue>3</issue><spage>228</spage><epage>233</epage><pages>228-233</pages><issn>0883-9441</issn><eissn>1557-8615</eissn><abstract>Abstract Purpose The aims of this study were to determine if there is seasonal variation in the number of intensive care unit (ICU) admissions for community-acquired pneumonia (CAP) and if there is a relationship between these admissions and weather or reports of influenza-like illness in the community. Materials and Methods In this time series analysis in 3 medical-surgical ICUs (8, 13, and 20 beds) in the Vancouver region, we included patients admitted to adult ICUs for CAP between January 2002 and March 2006. We used Poisson regression to analyze the association between weekly number of ICU admissions for CAP, and average temperature, range in temperature, total precipitation, and cases of influenza-like illness/100 physician visits reported by sentinel physicians in the community. Results In 740 patients admitted to ICUs for CAP, admissions peaked each year in the winter-spring months. In multivariate models, a sine function with a single annual peak was independently associated with number of patients admitted to ICU for CAP (rate ratio [95% confidence interval], 1.12 [1.00, 1.26]), but neither the weather measurements nor the weekly rate of reported influenza-like illness was significantly associated. Conclusion Intensive care unit admissions for CAP are seasonal, but neither weather measurements nor weekly rate of reported influenza-like illness in the community is associated with these admissions.</abstract><cop>United States</cop><pub>Elsevier Inc</pub><pmid>21036532</pmid><doi>10.1016/j.jcrc.2010.08.011</doi><tpages>6</tpages></addata></record> |
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| subjects | Aged Aged, 80 and over British Columbia - epidemiology Community-Acquired Infections - epidemiology Community-Acquired Infections - therapy Community-acquired pneumonia Confidence intervals Critical Care Female Hospitalization Hospitals Humans Illnesses Influenza, Human - epidemiology Intensive care Intensive Care Units - statistics & numerical data Male Middle Aged Patient Admission - statistics & numerical data Physicians Pneumonia - epidemiology Pneumonia - therapy Precipitation Seasonal variation Seasons Studies Temperature Variables Weather |
| title | Intensive care unit admissions for community-acquired pneumonia are seasonal but are not associated with weather or reports of influenza-like illness in the community |
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