Progress in the second and third years of patients with quiescent pulmonary tuberculosis after a year of chemotherapy at home or in sanatorium, and influence of further chemotherapy on the relapse rate

Devadatta, S. and Andrews, R. H. and Angel, J. H. and Bhatia, A. L. and Fox, W. and Janardhanam, B. and Radhakrishna, S. and Ramakrishnan, C. V. and Subbaiah, T. V. and Velu, S. (1961) Progress in the second and third years of patients with quiescent pulmonary tuberculosis after a year of chemotherapy at home or in sanatorium, and influence of further chemotherapy on the relapse rate Bull World Health Organ, 24. pp. 149-175.

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Abstract

A controlled comparison by the Tuberculosis Chemotherapy Centre, Madras, of the merits of home as compared with sanatorium treatment for pulmonary tuberculosis showed that, at the end of a year of chemotherapy with isoniazid plus p-aminosalicyclic acid (PAS), the response of the home patients closely approached that of the sanatorium patients. The present report reviews the progress of those patients in the controlled comparison whose disease had attained bacteriological quiescence by the end of the year of combined chemotherapy. During the second year, half of the patients received further chemotherapy, with isoniazid alone, and half received a placebo, calcium gluconate. During the third year, half of those who were treated with isoniazid in the second year and whose disease remained quiescent continued to receive that drug and all the remaining patients with quiescent disease received the placebo. In the second and third years all the patients were treated at home and administered the medicaments to themselves. It has been concluded from this follow-up study that in the second and third years there was relatively little difference between the progress of the patients whose disease attained quiescence following a year of domiciliary treatment with isoniazid plus PAS and that of those whose disease attained quiescence following a year's treatment with the same drugs in sanatorium; that a second or third year of further treatment with isoniazid alone gave no better results than a year of combined chemotherapy, followed by careful observation of the patient and further chemotherapy if relapse occurred; and that the relapse rate among the patients with residual cavitation at the end of the year of combined chemotherapy was slightly higher than that among the patients with no residual cavitation at the end of the first year.

Item Type: Article
Uncontrolled Keywords: Quiescent Pulmonary Tuberculosis, Chemotherapy, Home, Sanatorium, Relapse Rate
Subjects: Tuberculosis > Operations Research
Institutions: National Institute for Research in Tuberculosis (NIRT), Chennai
Depositing User: admin
Date Deposited: 22 Feb 2013 04:18
Last Modified: 22 Feb 2013 04:18
URI: http://tbresearch.ntiindia.org.in/id/eprint/324

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