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Comparative Study
. 2008 May;13(3):444-6.
doi: 10.1111/j.1440-1843.2007.01185.x.

Influenza-associated pneumonia in a Turkish area with endemic avian influenza

Bülent Ozbay  1 , Bunyamin Sertoğullarindan, Murat Tekin, Orhan Altinoz
Affiliations
Comparative Study

Influenza-associated pneumonia in a Turkish area with endemic avian influenza

Bülent Ozbay et al. Respirology. 2008 May.

Abstract

Background and objective: The aim of the study was to describe the effects of influenza associated with community-acquired pneumonia (CAP) on the outcome of patients in an area characterized by endemic avian influenza.

Methods: Sixty patients diagnosed with CAP and requiring hospitalization were studied for the presence of influenza. Based on the presence or absence of influenza, patients were divided into two groups: group 1 were CAP patients positive for influenza and group 2 included CAP patients negative for influenza. Laboratory investigations, CXR findings and prognosis were compared.

Results: Nasopharyngeal swabs or deep tracheal aspirates were tested for viral aetiology, and seven patients were positive for influenza AH3; one was positive for influenza AH1; seven were positive for influenza B; and one was positive for parainfluenza. Group 1 patients (n = 16) had a mean age of 56 years and group 2 patients (n = 45) had a mean age of 55 years. Significant increases in creatinine kinase and lymphopaenia were seen in group 1 patients. On CXR, interstitial infiltration was more marked in group 1. There was significantly higher mortality in group 1 than in group 2.

Conclusion: CAP associated with influenza had a different clinical picture and outcome compared with patients without evidence of influenza.

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