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KMID : 1225720230150010083
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Allergy, Asthma & Immunology Research : AAIR
2023 Volume.15 No. 1 p.83 ~ p.93
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Impacts of Asthma in Patients With Bronchiectasis: Findings From the KMBARC Registry
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Moon Seong-Mi
Choi Ha-Young
Kang Hyung-Koo
Lee Sei-Won
Sim Yun-Su
Park Hye-Yon
Kwon Yong-Soo
Kim Sang-Hyon
Oh Yeon-Mok
Lee Hyun
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Abstract
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Purpose : Although the coexistence of asthma and bronchiectasis is common, the impacts of asthma on bronchiectastic patients (BE) have not been well evaluated because this issue using bronchiectasis cohorts has been investigated in only a few studies.
Methods : In the present study, 598 patients who were prospectively enrolled in the Korean bronchiectasis registry were evaluated. The clinical characteristics between BE with asthma and those without asthma were compared.
Results : Asthma was found in 22.4% of BE. BE with asthma had a higher body mass index (BMI) (P = 0.020), more dyspnea (P < 0.001), larger sputum volume (P = 0.015), and lower forced expiratory volume in 1 second (FEV1) (P < 0.001) than those without asthma. BE with asthma had a higher rate of previous pneumonia (P = 0.017) or measles (P = 0.037) than those without asthma. Regarding treatment, BE with asthma used inhaled corticosteroids, long-acting muscarinic antagonists, and leukotriene receptor antagonists more frequently than those without asthma. Although intergroup differences were not observed in disease severity of bronchiectasis (P = 0.230 for Bronchiectasis Severity Index and P = 0.089 for FACED), the Bronchiectasis Health Questionnaire (BHQ) scores indicating the quality of life, were significantly lower in BE with asthma than in those without asthma (61.6 vs. 64.8, P < 0.001). In a multivariable model adjusting for age, sex, body mass index, forced expiratory volume in 1 second %predicted, sputum volume, modified Medical Research Council dyspnea scale ≥ 2, and the number of involved lobes, asthma was associated with lower BHQ scores (β-coefficient = ?2.579, P = 0.014).
Conclusions : BE with asthma have more respiratory symptoms, worse lung function, and poorer quality of life than those without asthma. A better understanding of the impacts of asthma in BE will guide appropriate management in this population.
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KEYWORD
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Asthma, bronchiectasis, quality of life, symptom exacerbations
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