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Revista médica de Chile

versão impressa ISSN 0034-9887


CALUNGA F, José Luis et al. Rectal ozone therapy for patients with pulmonary emphysema. Rev. méd. Chile [online]. 2011, vol.139, n.4, pp.439-447. ISSN 0034-9887.

Background: Ozone therapy may stimulate antioxidant systems and protect against free radicals. It has not been used formerly in patients with pulmonary emphysema. Aim: To assess the effects of rectal ozone therapy in patients with pul-monary emphysema. Material and Methods: Sixty four patients with pulmonary emphysema, aged between 40 and 69 years, were randomly assigned to receive rectal ozone in 20 daily sessions, rectal medicinal oxygen or no treatment. Treatments were repeated three months later in the frst two groups. At baseline and at the end of the study, spirometry and a clinical assessment were performed. Results: fifty patients completed the protocol, 20 receiving ozone therapy, 20 receiving rectal oxygen and 10 not receiving any therapy. At baseline, patients on ozone therapy had significantly lower values of forced expiratory volume in the frst second (fEV1) and fEV1/forced vital capacity. At the end of the treatment period, these parameters were similar in the three treatment groups, therefore they only improved significantly in the group on ozone therapy. No differences were observed in other spirometric parameters. Conclusions: Rectal ozone therapy may be useful in patients with pulmonary emphysema.

Palavras-chave : Bronchospirometry; Emphysema; Ozone.

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