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Adherence to Treatment Recommendations for Chronic Obstructive Pulmonary Disease - Results from the Swedish National Airway Register

Authors Larsson K, Ekberg-Jansson A, Stridsman C, Hanno M, Vanfleteren LEGW

Received 15 January 2021

Accepted for publication 11 March 2021

Published 6 April 2021 Volume 2021:16 Pages 909—918


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Richard Russell

Kjell Larsson,1 Ann Ekberg-Jansson,2 Caroline Stridsman,3 Malin Hanno,4 Lowie EGW Vanfleteren5,6

1Integrative Toxicology, National Institute of Environmental Medicine, Karolinska Institutet, Stockholm, Sweden; 2Institute of Medicine, The Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden; 3Department of Public Health and Clinical Medicine, Division of Medicine, Umeå University, Umeå, Sweden; 4Boehringer Ingelheim AB, Stockholm, Sweden; 5COPD Center, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, Gothenburg, 413 45, Sweden; 6Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, Gothenburg, 413 45, Sweden

Correspondence: Kjell Larsson
Integrative Toxicology, National Institute of Environmental Medicine, IMM, Karolinska Institutet, Stockholm, SE-171 77 Tel +46 70 582 07 63
Email [email protected]

Introduction: Swedish guidelines adhere to the international GOLD document regarding management of chronic obstructive pulmonary disease (COPD). Based on data from the Swedish National Airway Register (SNAR) the aim was to evaluate adherence to guidelines of pharmacological treatment of COPD in Swedish primary and secondary care.
Methods: During a period of 18 months, data on symptoms (CAT, mMRC), lung function, exacerbation history and pharmacological treatment from 15,595 COPD patients from 853 primary care and 125 secondary care clinics were collected from SNAR. Patients with a co-diagnosis of asthma were excluded. Patients were divided into four treatment groups: no pharmacological treatment, short-acting bronchodilators alone, long-acting bronchodilators alone and ICS alone or in combination with bronchodilators.
Results: Of the patients, 29% were in GOLD group A, 58% in group B, 2% in group C and 11% in group D. CAT score was ≥ 10 and mMRC score was below 2 in 30.9% of the patients and mMRC score was ≥ 2 and CAT score < 10 in 4.2% of the patients. In 61.4% of the patients, no exacerbation was registered during the last year. Long-acting bronchodilators were prescribed for 78% and ICS for 46% of all patients. In groups A, B, C and D, respectively, 21%, 11%, 11% and 5% did not receive any inhaler therapy; 67%, 81%, 81% and 90% received long-acting bronchodilators; 33%, 46%, 55% and 71% received any ICS containing therapy and 19%, 34%, 39% and 61% received triple therapy.
Discussion: Data from the SNAR indicate that only a minority of COPD patients were untreated. There was a liberal use of ICS containing drug combinations in subjects who do not have an indication for ICS. A considerable proportion of subjects at high risk of exacerbations did not receive ICS treatment.

Keywords: chronic obstructive pulmonary disease, COPD, glucocorticoids, registry

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