Allergy · 2006
The diagnosis of asthma using a self-questionnaire in those suffering from allergic rhinitis: a pharmaco-epidemiological survey in everyday practice in France.
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Demoly P, Bozonnat M-C, Dacosta P, Daures J-P
Аннотация
BACKGROUND: All recent guidelines recommend a search for asthma utilizing both specific interrogation and pulmonary function tests in patients suffering from allergic rhinitis. Although the mandatory place of spirometry has not been confirmed, a self-questionnaire containing nine specific questions on asthma symptoms in different daily life situations was found to be capable of discriminating asthmatics from nonasthmatics in a rhinitic population.
OBJECTIVE: We addressed the questions of prevalence of asthma using a validated self-questionnaire and what might be the risk factors of being asthmatic according to that specific self-questionnaire.
METHODS: Between April 2003 and September 2004, nearly 12,000 rhinitis patients were enrolled by more than 2300 physicians (78% general practitioners, 22% ear nose and throat specialists). Patients were consulting for an exacerbation of chronic rhinitis and did not have a previous diagnosis of asthma. Both doctors and patients filled out a specific questionnaire on rhinitis and asthma.
RESULTS: Almost 30% of the patients had at least three positive answers to the self-questionnaire and could possibly be considered as asthmatics. We found five independent clinical risk factors for having >or=3 positive answers to the self-questionnaire. Severity of rhinitis (moderate-severe vs mild, OR=1.84; 95% CI=1.68-2.00), diagnosis of allergy (yes vs no) (OR=1.86; 95% CI=1.68-2.00), body mass index (<or=18.5 vs >30) (OR=0.51; 95% CI=0.39-0.66), type of rhinitis (persistent vs intermittent) (OR=1.25; 95% CI=1.15-1.37), and patient age (<or=25 vs >47) (OR=0.73; 95% CI=0.65-0.80).
CONCLUSION: Asthma symptoms are frequent in rhinitics without a prior history of asthma. Several variables were shown to be predictive of asthma in these patients.
OBJECTIVE: We addressed the questions of prevalence of asthma using a validated self-questionnaire and what might be the risk factors of being asthmatic according to that specific self-questionnaire.
METHODS: Between April 2003 and September 2004, nearly 12,000 rhinitis patients were enrolled by more than 2300 physicians (78% general practitioners, 22% ear nose and throat specialists). Patients were consulting for an exacerbation of chronic rhinitis and did not have a previous diagnosis of asthma. Both doctors and patients filled out a specific questionnaire on rhinitis and asthma.
RESULTS: Almost 30% of the patients had at least three positive answers to the self-questionnaire and could possibly be considered as asthmatics. We found five independent clinical risk factors for having >or=3 positive answers to the self-questionnaire. Severity of rhinitis (moderate-severe vs mild, OR=1.84; 95% CI=1.68-2.00), diagnosis of allergy (yes vs no) (OR=1.86; 95% CI=1.68-2.00), body mass index (<or=18.5 vs >30) (OR=0.51; 95% CI=0.39-0.66), type of rhinitis (persistent vs intermittent) (OR=1.25; 95% CI=1.15-1.37), and patient age (<or=25 vs >47) (OR=0.73; 95% CI=0.65-0.80).
CONCLUSION: Asthma symptoms are frequent in rhinitics without a prior history of asthma. Several variables were shown to be predictive of asthma in these patients.