Effectiveness of the different methods of inhalation drugs delivery in children with bronchial asthma

S.M. Nedelska, O.D. Kuznietsova, N.M. Taran, A. Aleschenko


Aim of the work — to evaluate the effectiveness of inhalation technique when using different types of inhalers (dry powder inhalers — Turbuhaler, Diskus), metered-dose inhalers, breath-actuated inhalers — Easyhaler). Materials and methods. 45 patients aged 6–17 years underwent the evaluation of inhalation technique accuracy with the use of In-Check-Dial — apparatus, which imitates the airway resistance that should be overcome during inspiration through different inhaler types, and measure inspiration velocity. Incidence of mistakes was studied in different age groups. Results. 80 % of children aged 6–7 years made mistakes while using Turbuhaler, 73.3 % — metered-dose inhaler, 60 % — Easyhaler. There were no mistakes in patients making inhalation by means of Diskhaler. 100 % of children aged 12–14 years incorrectly used metered-dose inhaler. Easyhaler was incorrectly used in 66.6 % of cases, Diskhaler — in 26.6 %. Among elder group, incidence of mistakes when making inhalations through Turbuhaler was lower — 40 % in 12–14-year-old group and 25 % — in 15–17-year-old (р < 0.05). Children of 15–17 years old are able to use Turbuhaler and Diskus (mistakes in 33.3 and 46.6 %, respectively). At the same time, none of the patients have done the correct inhalation by means of metered-dose inhaler, 93.3 % of the patients have mistakes when using Easyhaler. Conclusions. The incidence of mistakes depends on the age and inhaler type and reaches 26–100 %. Minimal quantity of mistakes is seen for Diskus (in all age groups), maxi­mal — for metered-dose inhaler. For the purpose of optimal inhaler choice in a child with bronchial asthma, it is advisable to measure the inspiratory flow with the help of In-Check-Dial before therapy administration.


bronchial asthma; children; inhalation technique; choice of delivery device


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