International forum of allergy & rhinology · 2015
Influence of upper airway abnormalities on the control of severe asthma: a cross-sectional study.
СтатьяНаблюдательное исследованиеПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод в очереди
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Nascimento-Sampaio Francisco Soares, Leite Mylene dos Santos, Leopold Donald Arthur, Silva Suzam Guedes Oliva da, Schwingel Paulo Adriano, Mendes Carlos Maurício Cardeal, Souza-Machado Adelmir, Campos Régis de Albuquerque
Аннотация
BACKGROUND: A better understanding of severe uncontrolled asthma (UA) in the upper airways is needed. The aims of this study were to assess the prevalence of upper airway abnormalities and their associations with UA.
METHODS: An observational study enrolled individuals with severe asthma. Sociodemographic and clinical questionnaires regarding asthma, rhinosinusitis, and laryngopharyngeal reflux (LPR) were administered. Skin-prick tests and fiber optic nasolaryngoscopies were also performed. Descriptive statistical analysis was performed, using a multiple Poisson regression model to obtain adjusted prevalence ratios (PRs) and to identify the clinical profiles associated with the highest and lowest percentages of the dependent variable, lack of asthma control.
RESULTS: The sample consisted of 64 participants who were divided into 2 groups according to asthma control. Thus, group I comprised 27 individuals with severe controlled asthma (CA), and group II consisted of 37 individuals with UA. Women represented 87.5% of the study population. The median age was 54 years, and 86% of the sample had rhinosinusitis. Relevant associations were detected between UA and hyposmia (PR = 2.04), hypersensitivity to nonsteroidal anti-inflammatory drugs (NSAIDs) (PR = 1.45), arytenoids hyperemia (PR = 1.45), LPR (PR = 1.37), a positive family history of asthma (PR = 1.35), onset of asthma at age 10 years or older (PR = 0.59), and swelling of the vocal cords (PR = 0.54).
CONCLUSION: This study found a very high prevalence of rhinosinusitis in patients with severe asthma as well as associations between UA and hyposmia, hypersensitivity to NSAIDs, arytenoids hyperemia, and LPR. Clinical profiles prone to UA were identified.
METHODS: An observational study enrolled individuals with severe asthma. Sociodemographic and clinical questionnaires regarding asthma, rhinosinusitis, and laryngopharyngeal reflux (LPR) were administered. Skin-prick tests and fiber optic nasolaryngoscopies were also performed. Descriptive statistical analysis was performed, using a multiple Poisson regression model to obtain adjusted prevalence ratios (PRs) and to identify the clinical profiles associated with the highest and lowest percentages of the dependent variable, lack of asthma control.
RESULTS: The sample consisted of 64 participants who were divided into 2 groups according to asthma control. Thus, group I comprised 27 individuals with severe controlled asthma (CA), and group II consisted of 37 individuals with UA. Women represented 87.5% of the study population. The median age was 54 years, and 86% of the sample had rhinosinusitis. Relevant associations were detected between UA and hyposmia (PR = 2.04), hypersensitivity to nonsteroidal anti-inflammatory drugs (NSAIDs) (PR = 1.45), arytenoids hyperemia (PR = 1.45), LPR (PR = 1.37), a positive family history of asthma (PR = 1.35), onset of asthma at age 10 years or older (PR = 0.59), and swelling of the vocal cords (PR = 0.54).
CONCLUSION: This study found a very high prevalence of rhinosinusitis in patients with severe asthma as well as associations between UA and hyposmia, hypersensitivity to NSAIDs, arytenoids hyperemia, and LPR. Clinical profiles prone to UA were identified.