Changes in the pattern and behaviour of pulmonary tuberculosis, 1955-65
Prasad, Govind (1970) Changes in the pattern and behaviour of pulmonary tuberculosis, 1955-65. Indian Journal of Tuberculosis, 17 (3). pp. 87-99.
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An attempt has been made in the paper to study the changes in the pattern and behaviour of pulmonary tuberculosis in patients reporting at the New Delhi TB Centre during the period 1955 to 1965, Important changes were noticed in the symptomatology ; as against 75.5% in 1955 only 55.4% of the patients in 1965 reported with fever. This reduction in febrility was also reflected in the percentage of patients with multiple symptoms which fell from 64.5% in 1955 to 46.7% in 1965. Although no appreciable difference was noticed in the extent of disease, there was a fall both in the number of cavitary cases and in the number of patients with large cavities. Possible explanations of these changes are discussed and it is tentatively suggested that increasing host resistance rather than health consciousness of patients might have led to these differences. A study of the results of treatment brought out the fact that sputum conversion in 1965 series was quicker than in the 1955 series. Also, more patients (89 8%) were regular in treatment than in the earlier series (62.5%). These are explained partly by more effective utilization of anti-TB drugs and partly by the longer duration of treatment (2 years in 1965 compared to 1 year in 1955). Relapse rates too were lower in the 1965 series.
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