Chest physiotherapy was carried out using the oscillatory
PEP device Acapella Choice .
Patients were individually trained
by senior chest physiotherapist .
The frequency/resistance dial (range 1- 5) was set at three for
all participants.
This setting was the maximum tolerated
by all participants.
Patients performed three sets of the
following cycle at each session (20 - 30 min), twice a day.
(1). A tight seal was maintained around the mouthpiece.
(2). For 10 breaths, patients inhaled to three quarters of
the maximum in spiratory capacity then a 3-s breath hold
followed by exhalation to functional residual capacity.
(3). Then followed by two to three forceful expiratory
huffs.