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CHFO is a pneumatic form of chest physiotherapy
(Airway Clearance) that
utilizes a systematic approach to enhance normal mucus
clearance and resolve patchy atelectasis by:
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Providing aerosolized medication and humidification to
relax bronchial smooth muscle so that airway resistance is
decreased, and at the same time hydrating thickened retained
secretions;
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Using specifically calibrated frequency and I:E ratio to
create a mean airway pressure in order to maintain airway
caliber, prevent premature closure, and expand collapsed
lung regions.
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Maintaining continuous high frequency oscillation during
both inspiration and expiration to form a pressure gradient
to the small airways where secretions are trapped. This
pressure gradient creates an accelerated expiratory airflow
that can be manipulated to assist in moving the secretions
to the upper airways.
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Delivering hyperinflation therapy through positive
expiratory pressure that will aid patients in deep breathing
and coughing.
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