June 2008
Evaluating the use of AeroChamber* Brand of VHC with Children
An oral presentation given at the 4th
International Primary Care Respiratory Group International Conference held
in Seville, Spain on May 28-31, 2008, studied the use of Valved Holding
Chambers (VHCs) in infants and small children.
The study focused primarily on the evaluation of a visual feedback mechanism
that would help healthcare professionals confirm that inhalation had taken
place – critical to ensure optimal medication delivery as more than one
inhalation may be required to empty the VHC in these low tidal volume
patients.
Each VHC was connected to a breathing simulator set to mimic infant or small
child breathing patterns, depending on facemask size. The AeroChamber
Plus* VHC with Flow-Vu* IFI (149 mL), required more
than one breath even with the ‘child’ condition to evacuate the chamber.1
The Flow-Vu* Inspiratory Flow Indicator (IFI) found on the
AeroChamber Plus* Valved Holding Chamber (VHC), moves in synchrony
with the opening of the valve in response to the patients’ inspiratory
effort. This allows healthcare professionals or caregivers to confirm a good
face/mask seal and count the number of inhalations that have taken place,
thereby optimizing the therapeutic dose.
1 Medication
Delivery via Valved Holding Chamber (VHC) and Facemask with Inhalation Flow
Indicator (IFI), IPCRG Presentation, Ritchie Sharpe
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