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Prevalence, characteristics and management of frequently exacerbating asthma patients: an observational study in Sweden (PACEHR)
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Medical Sciences, Lung- allergy- and sleep research.ORCID iD: 0000-0001-5093-6980
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Family Medicine and Preventive Medicine.
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Family Medicine and Preventive Medicine.ORCID iD: 0000-0001-8497-7326
Uppsala University, Disciplinary Domain of Medicine and Pharmacy, Faculty of Medicine, Department of Public Health and Caring Sciences, Family Medicine and Preventive Medicine.
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2018 (English)In: European Respiratory Journal, ISSN 0903-1936, E-ISSN 1399-3003, Vol. 52, no 2, article id 1701927Article in journal (Refereed) Published
Abstract [en]

The aim of the study was to investigate the prevalence, management and characteristics of asthma patients with frequent exacerbations. Data from asthma patients (aged >= 18 years) identified in primary care medical records were linked to Swedish national health registries. Exacerbations were defined as hospitalisations, emergency visits and/or collection of oral steroids. Frequent exacerbations were defined as two or more exacerbations per year during the 3-year observation period. Of 18 724 asthma patients, 81.49% had no exacerbations and 6.3% had frequent exacerbations in the year prior to the index date. Frequent exacerbations were observed yearly for 1.8% of the patients. Frequent exacerbators were older, more often females, and had increased eosinophil and neutrophil counts, lower lung function, and more comorbidities than patients without exacerbations. There was a slight increase in asthma medication claims and a slight decrease in physician visits compared with baseline, both in the group with and the group without frequent exacerbations. Patients with frequent exacerbations were characterised by greater age, female predominance, high eosinophil and neutrophil counts, and high prevalence of comorbidities. This study indicates that the Swedish healthcare system lacks efficiency to adjust treatment and management for this patient group. With new treatment options targeting severe asthma available, identification of these patients should be in focus to ensure reduction of exacerbations.

Place, publisher, year, edition, pages
EUROPEAN RESPIRATORY SOC JOURNALS LTD , 2018. Vol. 52, no 2, article id 1701927
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Respiratory Medicine and Allergy
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URN: urn:nbn:se:uu:diva-364920DOI: 10.1183/13993003.01927-2017ISI: 000440567600001PubMedID: 29946008OAI: oai:DiVA.org:uu-364920DiVA, id: diva2:1261809
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AstraZenecaAvailable from: 2018-11-08 Created: 2018-11-08 Last updated: 2018-11-08Bibliographically approved

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Janson, ChristerLisspers, KarinStällberg, BjörnJohansson, Gunnar

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