@inproceedings{Jha:2016:10.1183/13993003.congress-2016.OA4955,
author = {Jha, A and Dunning, J and Tunstall, T and Hansel, T and Openshaw, PJ},
doi = {10.1183/13993003.congress-2016.OA4955},
publisher = {European Respiratory Society},
title = {Asthma patients hospitalized with influenza lack mucosal and systemic type 2 inflammation},
url = {http://dx.doi.org/10.1183/13993003.congress-2016.OA4955},
year = {2016}
}

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TY  - CPAPER
AB  - Background: Asthmatic persons tend to suffer from severe influenza, but the reasons for enhanced severity are unknown. Objectives: To determine the clinicopathological correlates of this susceptibility, we examined nasal and systemic immune responses in adults admitted to hospital with influenza-like illnesses. Methods: We studied 210 patients admitted with influenza-like illness at 11 hospitals in the UK across 2 winter seasons (2009/10 and 2010/11). Of these, 133 (63%) had confirmed influenza and 40/133 (30%) were asthmatic. We measured a panel of cytokines and chemokines in serum and nasal mucosal lining fluid and compared results in asthmatics, non-asthmatics and healthy control volunteers. Results: Asthma patients were more often female than non-asthmatics (70% vs 39% respectively), required less mechanical ventilation (15% vs 37.6%) and had shorter hospital stays (mean 8.3 vs 15.3 days, all P <0.05). Despite having equivalent nasopharyngeal influenza viral load, asthmatics had higher serum IFN-α levels but lower serum TNF-α, IL-5, IL-6 and CXCL8 (all P<0.05). In the nasal mucosa, asthmatics and non-asthmatics had comparable levels of soluble mediators. In particular, asthmatics showed no evidence of increased type 2 inflammation (IL-5 and IL-13) or deficient interferon responses. Conclusions: Adult asthmatics hospitalised with influenza show a propensity to be female with markedly reduced morbidity and systemic inflammation than non-asthmatics. Against expectation, asthmatics did not have increased type 2 inflammation. This study highlights the importance of defining underlying immune responses to infection in individual patients to enable future delivery of personalized therapy.
AU  - Jha,A
AU  - Dunning,J
AU  - Tunstall,T
AU  - Hansel,T
AU  - Openshaw,PJ
DO  - 10.1183/13993003.congress-2016.OA4955
PB  - European Respiratory Society
PY  - 2016///
SN  - 0903-1936
TI  - Asthma patients hospitalized with influenza lack mucosal and systemic type 2 inflammation
UR  - http://dx.doi.org/10.1183/13993003.congress-2016.OA4955
UR  - http://hdl.handle.net/10044/1/51908
ER  - 

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