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Is C-reactive prote...
Is C-reactive protein associated with influenza A or B in primary care patients with influenza-like illness? A cross-sectional study.
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- Rystedt, Karin (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,CARe - Centrum för antibiotikaresistensforskning,Institute of Medicine, School of Public Health and Community Medicine,Centre for antibiotic resistance research, CARe
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Harbin, Nicolay Jonassen (författare)
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Lindbaek, Morten (författare)
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Radzeviciene, Ruta (författare)
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- Gunnarsson, Ronny K, 1955 (författare)
- Gothenburg University,Göteborgs universitet,CARe - Centrum för antibiotikaresistensforskning,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Centre for antibiotic resistance research, CARe,Institute of Medicine, School of Public Health and Community Medicine
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- Eggertsen, Robert, 1948 (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,Institute of Medicine, School of Public Health and Community Medicine
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C Butler, Christopher (författare)
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van der Velden, Alike W (författare)
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J Verheij, Theo (författare)
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- Sundvall, Pär-Daniel (författare)
- Gothenburg University,Göteborgs universitet,Institutionen för medicin, avdelningen för samhällsmedicin och folkhälsa,CARe - Centrum för antibiotikaresistensforskning,Institute of Medicine, School of Public Health and Community Medicine,Centre for antibiotic resistance research, CARe
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(creator_code:org_t)
- 2020-11-11
- 2020
- Engelska.
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Ingår i: Scandinavian journal of primary health care. - : Informa UK Limited. - 1502-7724 .- 0281-3432. ; 38:4, s. 447-53
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Abstract
Ämnesord
Stäng
- Identifying influenza A or B as cause of influenza-like illness (ILI) is a challenge due to non-specific symptoms. An accurate, cheap and easy to use biomarker might enhance targeting influenza-specific management in primary care. The aim of this study was to investigate if C-reactive protein (CRP) is associated with influenza A or B, confirmed with PCR testing, in patients presenting with ILI.Cross-sectional study.Primary care in Lithuania, Norway and Sweden.A total of 277 patients at least 1year of age consulting primary care with ILI during seasonal influenza epidemics.Capillary blood CRP analysed as a point-of-care test and detection of influenza A or B on nasopharyngeal swabs in adults, and nasal and pharyngeal swabs in children using PCR.The prevalence of positive tests for influenza A among patients was 44% (121/277) and the prevalence of influenza B was 21% (58/277). Patients with influenza A infection could not be identified based on CRP concentration. However, increasing CRP concentration in steps of 10mg/L was associated with a significantly lower risk for influenza B with an adjusted odds ratio of 0.42 (0.25-0.70; p<.001). Signs of more severe symptoms like shortness of breath, sweats or chills and dizziness were associated with higher CRP.There was no association between CRP and influenza A. Increased concentration of CRP was associated with a lower risk for having influenza B, a finding that lacks clinical usefulness. Hence, CRP testing should be avoided in ILI, unless bacterial pneumonia is suspected. Key points Identifying influenza A or B as cause of influenza-like illness (ILI) is a challenge due to non-specific symptoms. There was no association between concentration of CRP and influenza A. Increased concentration of CRP was associated with a lower risk for having influenza B, a finding that lacks clinical usefulness. A consequence is that CRP testing should be avoided in ILI, unless bacterial pneumonia or similar is suspected.
Ämnesord
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Infektionsmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- Infectious Medicine (hsv//eng)
- MEDICIN OCH HÄLSOVETENSKAP -- Klinisk medicin -- Allmänmedicin (hsv//swe)
- MEDICAL AND HEALTH SCIENCES -- Clinical Medicine -- General Practice (hsv//eng)
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Rystedt, Karin
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Harbin, Nicolay ...
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Lindbaek, Morten
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Radzeviciene, Ru ...
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Gunnarsson, Ronn ...
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Eggertsen, Rober ...
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visa fler...
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C Butler, Christ ...
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van der Velden, ...
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J Verheij, Theo
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Sundvall, Pär-Da ...
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- MEDICIN OCH HÄLSOVETENSKAP
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Göteborgs universitet