Errors in Aerosol Inhaler Use and Their Effects on Maternal and Fetal Outcomes among Pregnant Asthmatic Women (Subanalysis from QAKCOP Study)
Table 2
Errors in inhaler use.
Wrong inhaler step
No. of patients (%)
Errors in MDI use (no. = 47)
Removing cap and shaking the inhaler
15 (31.9)
Breathing out gently before using the inhaler
29 (61.7)
Putting the mouthpiece in the mouth and applying good seal with the lips
3 (6.4)
Pressing the canister down at start of inspiration and continuing to inhale slowly and deeply (coordination between inhalation and generation of the aerosol)
32 (68.1)
Performing a breath-hold for at least 10 seconds
7 (14.9)
Errors in DPI use (no. = 20)
Breathing out gently before using the inhaler
11 (55)
Placing the inhaler in the mouth and creating an adequate seal with the lips
5 (25)
Deep and forceful inhalation of the powder
5 (25)
Removing the inhaler from the mouth and performing a breath-hold for 10 seconds
