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1 Department of Medicine, University of the Witwatersrand and Johannesburg General Hospital, and Cardio-Pulmonary Unit, Council for Scientific and Industrial Research.
1) Respiratory function tests have been applied to 15 emphysematous subjects on several occasions until base line values have been obtained.
2) The patients have then been subjected to one of two forms of physiotherapy; either a course of breathing exercises or a course of breathing exercises augmented by electrical stimulation of chest and abdominal muscles during expiration. Function tests have been repeated and changes assessed.
3) In all, 19 studies were carried out on 15 subjects. Though all but two claimed to feel better after treatment, function studies suggested probable improvement in only two, possible improvement in two more, and deterioration in three. In the rest no definite change was observed.
4) It was concluded that no evidence of the efficacy of these procedures had been obtained and that the benefit claimed by the subject was more likely to be the result of his mental attitude than of true physical improvement.
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