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  • Title: Assessment of the forced expiration technique, postural drainage and directed coughing in chest physiotherapy.
    Author: Sutton PP, Parker RA, Webber BA, Newman SP, Garland N, Lopez-Vidriero MT, Pavia D, Clarke SW.
    Journal: Eur J Respir Dis; 1983 Jan; 64(1):62-8. PubMed ID: 6825750.
    Abstract:
    The Forced Expiration Technique (FET), postural drainage (PD) and directed coughing have been evaluated in 10 patients with copious sputum (mean value 63.3 ml/24 h) with an inhaled radioaerosol method over a 30-min treatment period. FET alone and FET + PD (but not directed coughing) cleared more radioaerosol than during the control period (P less than 0.01). The wet weight of sputum obtained following FET, FET + PD and directed coughing were all significantly greater than control (P less than 0.01). However, sputum obtained by FET + PD was significantly greater than FET alone (P less than 0.05). Both FET and particularly FET + PD have been shown to be more effective than directed coughing alone and it is suggested that these manoeuvres should be incorporated into standard chest physiotherapy.
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