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Int J Tuberc Lung Dis 1998 May;2 (5): 360-4. 全文索取
Two-year follow-up of directly-observed intermittent regimens for smear-positive pulmonary tuberculosis in China.

Abstract
The tuberculosis component of the Infectious and Endemic Disease Control Project in the People's Republic of China is the largest single tuberculosis control project in the world using directly-observed therapy and standardized intermittent regimens. To determine the two-year relapse and mortality rates following completion of treatment. A prospective cohort study of 649 cases cured in this project. The 306 new and 343 retreatment cases were treated under field conditions with 2H3R3Z3S3/4H3R3 and 2H3R3Z3E3S3/6H3R3E3, respectively. Following treatment completion, two sputum samples were collected every six months for two years and examined for acid-fast bacilli. Causes of death were identified. The two-year relapse rates for new and retreatment cases were 3.3% and 5.6%, respectively. Retreatment cases with delayed sputum conversion had a greater risk for subsequent relapse. The two-year mortality rate for new and retreatment cases was 3.3% and 8.5%, respectively. The higher mortality rate in retreatment cases was not attributable to relapse of disease, but rather to non-infectious sequelae of tuberculosis. The use of directly-observed intermittent regimens is effective in permanently removing infectious tuberculosis cases from the community.

PMID: 9613630 [Pubmed - MEDLINE]

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