METHODS
This study was approved by the Ethics Research Committee of the Medical School of Botucatu. All participants were informed about the study and signed a consent form of participation. Forty patients were interviewed, 16 (40%) males older than 18 years, with average age of 45.3 (S.D. 14.9) years, attended at the Ambulatory of Pneumology of the HC of the Medical School of Botucatu – UNESP, who had been using inhalant medication for at least six months. Health professionals were also interviewed, including a group of 36 resident doctors of the Internal Medicine/Pediatrics and 20 senior students of Medicine. The devices evaluated included: metered dose inhalers (MDI), MDI attached to a spacer device and dry powder inhalers (DPI). The participants did not have access to the content of this study until the time of the interview and did not receive previous instructions about the correct technique of using them.
To test the technique of use, spray devices containing placebo were used. The health care professionals demonstrated the inhalation techniques with each type of inhaler mentioned, whereas the patients were evaluated only on the type of inhaler that was part of their treatment. The interviews were made by a single examiner, qualified to observe and score the technique according to the number of steps correctly taken, using the protocol specifically developed for this purpose (summarized on Table 1).
METHODS
This study was approved by the Ethics Research Committee of the Medical School of Botucatu. All participants were informed about the study and signed a consent form of participation. Forty patients were interviewed, 16 (40%) males older than 18 years, with average age of 45.3 (S.D. 14.9) years, attended at the Ambulatory of Pneumology of the HC of the Medical School of Botucatu – UNESP, who had been using inhalant medication for at least six months. Health professionals were also interviewed, including a group of 36 resident doctors of the Internal Medicine/Pediatrics and 20 senior students of Medicine. The devices evaluated included: metered dose inhalers (MDI), MDI attached to a spacer device and dry powder inhalers (DPI). The participants did not have access to the content of this study until the time of the interview and did not receive previous instructions about the correct technique of using them.
To test the technique of use, spray devices containing placebo were used. The health care professionals demonstrated the inhalation techniques with each type of inhaler mentioned, whereas the patients were evaluated only on the type of inhaler that was part of their treatment. The interviews were made by a single examiner, qualified to observe and score the technique according to the number of steps correctly taken, using the protocol specifically developed for this purpose (summarized on Table 1).
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