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Medical Forum / Diseases and Disorders / Asthma / January 2004Inhaler technique with HFA MDIs
Any thoughts on whether inhaler technique should be altered for HFA MDIs? > Any thoughts on whether inhaler technique should be altered for HFA MDIs? Yes, the puff is not as strong so you actually can put your mouth right on it when you inhale.  SignatureCBI, MD On 1/26/04 21:18, in article gUjRb.26936$i4.4757@newsread1.news.atl.earthlink.net, "CBI" <00_doc@mindspring.com> wrote: >> Any thoughts on whether inhaler technique should be > altered for HFA MDIs? > > Yes, the puff is not as strong so you actually can put your > mouth right on it when you inhale. Except for the HFA versions of brand name Ventolin/Flovent/Serevent, which have been designed to give you as much of the authentic user-unfriendly CFC experience as possible...I much prefer the QVAR and generic Ventolin. > On 1/26/04 21:18, in article > gUjRb.26936$i4.4757@newsread1.news.atl.earthlink.net, "CBI" [quoted text clipped - 8 lines] > Except for the HFA versions of brand name Ventolin/Flovent/Serevent, > which have been designed to give you as much of the authentic > user-unfriendly CFC experience as possible... You might be right. I am not familair with those products (they are nto available in the US). SignatureCBI, MD The puff is softer so may feel different but studies show the smaller particle size increases deposition/effectiveness. I think a valved holding chamber (VHC) should be used for all MDI's even HFA. Some of these use their own actuator where you take the cannister out of the HFA device and put it in the VHC. DO NOT use these type of VHC with HFA's. The nozzle has been altered to use with the HFA and performance may be compromised considerably. Fritz RCP |
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