At the time of evaluation we found out that MDI was the best known device both by students and resident doctors and, therefore, the most prescribed. This finding is in accordance with a study carried out in the early 90's in Europe, before the development of new devices (13). Although a large number of devices had recently been introduced in Brazil, their high cost hinders their general use. Thus, especially among low income patients in public hospitals, MDI is still the best known and used device.
Comparing Figures 1 and 2 among patients, we can notice that the number of correct steps for DPI is quite higher, where 50% of the patients had a good performance, whereas for MDI it is limited to 15.2%. When questioned about the reason of such difficulty, some patients referred not being adequately oriented by their physicians in the beginning of the treatment; others, on the other hand, although properly instructed, forgot some steps.
At the time of evaluation we found out that MDI was the best known device both by students and resident doctors and, therefore, the most prescribed. This finding is in accordance with a study carried out in the early 90's in Europe, before the development of new devices (13). Although a large number of devices had recently been introduced in Brazil, their high cost hinders their general use. Thus, especially among low income patients in public hospitals, MDI is still the best known and used device.
Comparing Figures 1 and 2 among patients, we can notice that the number of correct steps for DPI is quite higher, where 50% of the patients had a good performance, whereas for MDI it is limited to 15.2%. When questioned about the reason of such difficulty, some patients referred not being adequately oriented by their physicians in the beginning of the treatment; others, on the other hand, although properly instructed, forgot some steps.
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