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Vytrisalova M, Hendrychova T, Touskova T, Zimcikova E, Vlcek J, Nevoranek L, Svoboda M, Hejduk K, Brat K, Plutinsky M, Novotna B, Musilova P, Cernohorsky M, Koblizek V. Breathing Out Completely Before Inhalation: The Most Problematic Step in Application Technique in Patients With Non-Mild Chronic Obstructive Pulmonary Disease. Front Pharmacol 2019; 10:241. [PMID: 30914956 PMCID: PMC6423151 DOI: 10.3389/fphar.2019.00241] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2018] [Accepted: 02/26/2019] [Indexed: 12/22/2022] Open
Abstract
Background: Patient adherence to an inhaled medication application technique (A-ApplT) represents a major health-care issue in patients with chronic obstructive pulmonary disease (COPD). However, there is a lack of studies evaluating this issue thoroughly. The aim of our study was to introduce a universal easy-to-use method of assessing the A-ApplT to chronic medication in moderate to very severe COPD individuals. Methods: The Czech Multicenter Research Database of COPD (COPD CMRD), a large observational prospective study, was used as a source of clinical data. A-ApplT was evaluated using our Five Steps Assessment. This measure is based on dichotomous evaluation of each of five predefined consecutive application technique steps and can be used in all settings for all currently available inhalation systems in COPD subjects. Results: A total of 546 participants (75.0% men; mean age 66.7 years; mean forced expiratory volume in 1s 44.7%) were available for analysis. This represents 69.6% of all patients recruited in the COPD CMRD. Less than one third of patients presented their application technique without any erroneous steps. The most problematic steps were breathing out completely in one breath immediately before inhalation (step No. 3), and the actual inhalation maneuver (step No. 4). The total number of errors was similar for dry powder inhalers and pressurized metered-dose inhalers. Conclusion: Our novel instrument, Five Steps Assessment, is comfortable for use in routine clinical practice to explore A-ApplT. The A-ApplT in real-life patients with non-mild COPD was inadequate and patients should be repeatedly trained by properly (re-)educated medical staff.
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Affiliation(s)
- Magda Vytrisalova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Tereza Hendrychova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Tereza Touskova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Eva Zimcikova
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Jiri Vlcek
- Department of Social and Clinical Pharmacy, Faculty of Pharmacy in Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Libor Nevoranek
- Department of Pneumology, Faculty of Medicine in Hradec Králové and University Hospital Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Michal Svoboda
- Faculty of Medicine, Institute of Biostatistics and Analyses of the Faculty of Medicine, Masaryk University, Brno, Czechia.,Institute of Biostatistics and Analyses, Ltd., Brno, Czechia
| | - Karel Hejduk
- Faculty of Medicine, Institute of Biostatistics and Analyses of the Faculty of Medicine, Masaryk University, Brno, Czechia
| | - Kristian Brat
- Department of Pulmonary Diseases and Tuberculosis, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
| | - Marek Plutinsky
- Department of Pulmonary Diseases and Tuberculosis, Faculty of Medicine, University Hospital Brno, Masaryk University, Brno, Czechia
| | | | | | - Matej Cernohorsky
- Department of Pneumology, Faculty of Medicine in Hradec Králové and University Hospital Hradec Králové, Charles University, Hradec Králové, Czechia
| | - Vladimir Koblizek
- Department of Pneumology, Faculty of Medicine in Hradec Králové and University Hospital Hradec Králové, Charles University, Hradec Králové, Czechia
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