British Medical Journal (BMJ)
03/28/2002
By Harvey McConnell
A synergistic combination between common allergens and viruses increase the risk of patients being admitted to hospital with asthma.
With no effective strategies to control viruses, "the focus should be on reducing exposure to allergens," declares Dr Adnan Custovic and colleagues with the National Asthma Campaign at Wythenshawe Hospital, Manchester, England.
Much of the costs associated with asthma come from hospital admissions, the researchers point out. A study found among 450,000 adults admitted yearly with asthma to emergency departments in the United States, an estimated 200 000 were sensitized to mite, cat, or cockroach allergen.
In the current study, 60 patients between the ages of 17 and 50 admitted to hospital over a year with acute asthma were matched with two controls: patients with stable asthma (out patients) and patients admitted to hospital (in patient) with non-respiratory diseases. All had skin prick tests for dust mite, cat, dog, and grass allergens.
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