الفهرس 
: AsthmaOnly 14 pages are availabe for public view
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Abstract
The present study is a cross sectional observation study conducted upon 250 practicing physicians frequently prescribing different inhalation devices to evaluate the knowledge and skills of physicians regarding the techniques of usage of difference inhalation devices. Each physician was asked about his knowledge regarding the techniques of usage of different inhalation devices through checklist containing the essential steps for correct usage.
Results of the present study showed that:
1. The most common inhalers prescribed by doctors was Diskus 95.6%, followed by MDI 83.20% , Turbuhaler 50.80% , MDI + spacer 50 % and both Aerolizer and handihaler 24.40%.
2. Regarding general questions, percentage of positive answers among doctors were 100% in the questions about how to use the inhalation devices and teaching patients how to use the inhalation devices; 99.6% in importance of inhaler technique; 94.8% in thinking about good results of inhaled medication; 64% in patient observation during using inhalation devices and 30.8% in patients evaluation every medical visit.
3. Percentage of positive answers regarding the correct steps of usage of MDI were highest for 83.2% in remove the cover, shacking inhaler and holding inhaler upright while the lowest 49.6% in exhale and wait for 20 seconds for second use.
4. Percentage of positive answers regarding the correct steps of usage of MDI+spacer showed that the highest percent was 49.6% in cover remove, shaking inhaler and holding upright while the lowest 27.6% in exhale and wait for 20 seconds before second use.
5. Percentage of positive answers regarding the correct steps of usage of Diskus showed that the highest percent was 95.6% in Diskus preparation, position of mouth piece between lips, force and deep inhalation, the device removal from mouth before exhale, while the lowest 56.8% in exhale and wait for 20 seconds before second use.
6. Percentage of positive answers regarding the correct steps of usage of Turbohaler showed that the highest percent was 50.4% in cover removal, keeping device vertical, device preparation, position of mouth piece between lips, force and deep inhalation, the device removal from mouth before exhale, while the lowest 34.8% in exhale and wait for 20 seconds before second use.
7. Percentage of positive answers regarding the correct steps of usage of Aerolizer and handihaler showed that the highest percent was 24.4% in cover removal, keeping device vertical, device preparation, exhale to FRC/RV, position of mouth piece between lips, force and deep inhalation, the device removal from mouth before exhale, while the lowest 18% in exhale and wait for 20 seconds before second use.
8. There was significant statistical differences between different physician specialities as regards age, duration of medical practice, sex and type of medical practice.
9. There was significant statistical differences between different physician specialities as regards usage of MDI, MDI+spacer and Turbohaler.
10. There was significant statistical differences between different physician specialities as regards positive answers of general questions concerning the yeiled of good results regarding inhaled medications, patient observation during usage of inhalation devices as well as re-evaluation of patient usage of inhalers at every medical visit.
11. There was significant statistical differences between different physician specialities as regards all steps of MDI, MDI+spacer usage and same steps of Dikus and Turbohaler usage.
12. There was significant statistical differences between different physician specialities as regards all steps of Aerolizer and handihaler usage.
13. Physicians committed more errors concerning both all and essential steps of MDI compared to the other inhalation devices, whereas the least committed errors among both all and essential steps were found in Aerolizer and handihaler.
14. There was significant positive correlation between the re-evaluation of patients usage of their inhalation devices at every medical visit and correct usage of all types of inhalers.
15. There was significant positive correlation between the observation of patients by their physicians while using their inhalation devices and the correct usage of all types of inhalers except for MDI+spacer.
16. Pulmonologists usage of MDI was significantly higher than non-pulmonologists, while it was significantly lower than non-pulmonologists as regards usage of MDI+spacer.
Pulmonologists were significantly higher than non-pulmonologists as regards observation and re-evaluation of patients using inhalation devices.
Pulmonologists were significantly more experienced in all correct usage steps of MDI but less in MDI+ spacer in comparison to non-pulmonologists.