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  1. Asthma and thunderstorms : description of an epidemic in general practice in Britain using data from a doctors'deputising service in the UK.

    Article - En anglais

    Objective

    -To describe the areas affected and the scale of an epidemic of thunderstorm associated asthma on the night of 24/25 June 1994 and to explore the spatial and temporal relationship between the thunderstorm and the associated epidemic.

    Setting-The 29 offices of a deputising service for general practitioners' (GP) out of hours calls (Healthcall).

    At the time of the storm the deputising service provided out of hours cover for about 8500 out of about 30000 GPs in England, Scotland, and Wales.

    Methods-Patients who phoned the Healthcall offices to request a home visit were categorised as « asthma » or « other causes » based on their presenting complaint.

    The number of calls on the night of 24125 June 1994 was compared in areas affected by thunderstorms and areas not affected by thunderstorms and with the night of 17/18 June 1994, when there were no thunderstorms.

    Results

    A large area of the south and east of England was affected by an epidemic of asthma closely related both temporally and spatially with the thunderstorms on 24125 June 1994.

    The pooled Mantel-Haenszel estimate for the risk of asthma in thunderstorm affected areas compared with the control night was 6.36 (95% confidence interval 4.97,8.32) compared with a value of 1.01 (0.80,1.27) for those not exposed.

    Extrapolation suggests about 1500 extra patients were likely to have requested a visit from a GP that night because of epidemic asthma. (...)

    Mots-clés Pascal : Orage, Epidémiologie, Asthme, Variation temporelle, Variation géographique, Soin santé primaire, Homme, Royaume Uni, Europe, Appareil respiratoire pathologie, Bronchopneumopathie obstructive, Allergie, Immunopathologie

    Mots-clés Pascal anglais : Thunderstorm, Epidemiology, Asthma, Time variation, Geographical variation, Primary health care, Human, United Kingdom, Europe, Respiratory disease, Obstructive pulmonary disease, Allergy, Immunopathology

    Logo du centre Notice produite par :
    Inist-CNRS - Institut de l'Information Scientifique et Technique

    Cote : 97-0402423

    Code Inist : 002B30A01A2. Création : 19/12/1997.