Cockroach allergens may play a significant role in urban asthma morbidity, particularly among the elderly, according to findings published in Chest.
The study involved 45 urban, non-smoking patients aged 60 and older who were diagnosed with asthma. Approximately half of the patients were sensitized to at least 1 indoor allergen, and cockroach allergen was the most common allergen, with 47% being sensitized to this allergen. People with cockroach sensitivity had poorer pulmonary function, compared with people without this allergen sensitivity. Cockroach sensitivity was associated with increased airflow limitation, hyperinflation, and irreversible airway obstruction.
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