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Type: Journal article
Title: FluCAN 2009: initial results from sentinel surveillance for adult influenza and pneumonia in eight Australian hospitals
Author: Kelly, P.
Kotsimbos, T.
Reynolds, A.
Wood-Baker, R.
Hancox, B.
Brown, S.
Holmes, M.
Simpson, G.
Bowler, S.
Waterer, G.
Irving, L.
Jenkins, C.
Thompson, P.
Cheng, A.
Citation: Medical Journal of Australia, 2011; 194(4):169-174
Publisher: Australasian Medical Publishing Company
Issue Date: 2011
ISSN: 0025-729X
Statement of
Paul M Kelly, Tom Kotsimbos, Anna Reynolds, Richard Wood-Baker, Bob Hancox, Simon GA Brown, Mark Holmes, Graham Simpson, Simon Bowler, Grant Waterer, Louis B Irving, Christine Jenkins, Phillip J Thompson and Allen C Cheng
Abstract: Objective: To describe the epidemiology of adult patients hospitalised with influenza or pneumonia during a pandemic season in a sentinel network in Australia. Design, participants and setting: Prospective case series of adult hospital admissions to eight acute care general public hospitals (Influenza Complications Alert Network [Flu CAN] sentinel hospitals) in six Australian jurisdictions, 1 July to 4 December 2009. Main outcome measures: Demographic, clinical and outcome measures in patients admitted with laboratory-confirmed pandemic (H1N1) 2009 influenza in the sentinel hospitals compared with data from national notifications and intensive care unit (ICU) surveillance; admissions for influenza and pneumonia over time in each jurisdiction. Results: During 190 hospital-weeks of observation, there were 538 influenza admissions. Of these, 465 patients (86.4%) had the pandemic strain, representing 9.3% of total admissions with pandemic (H1N1) 2009 influenza (n = 4992) recorded nationally in 2009. Of these patients, 250/465 (53.8%) were women, 67/453 (14.8%) were Indigenous, and the median age was 46 years (interquartile range, 29–58 years). Comorbidities were present in 354/464 patients (76.3%), and 40 were pregnant (30.3% of women aged 15–49 years). FluCAN reported that 102 patients (21.9%) were admitted to ICUs, and of patients admitted to hospital, 26 (5.6%) died. FluCAN results were very similar to national notification data and published ICU admissions data. Of those who were followed to 30 days after discharge, 30 (6.5%) were readmitted. Of 1468 patients hospitalised with pneumonia, 718 (48.9%) were tested for influenza and 163 (11.1%) were co-infected with the pandemic strain. Conclusions: Sentinel surveillance systems can provide important and reliable information in a timely fashion and can monitor changes in severity of influenza during a pandemic season.
Keywords: Humans
Sentinel Surveillance
Prospective Studies
Aged, 80 and over
Middle Aged
Intensive Care Units
Influenza, Human
Young Adult
DOI: 10.5694/j.1326-5377.2011.tb03764.x
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