Molecular epidemiology of pleural and other extrapulmonary tuberculosis: a Maryland state review

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
Jessie TorgersenWendy A Cronin

Abstract

Limited information exists about the current epidemiological characteristics of extrapulmonary tuberculosis. However, pleural tuberculosis is usually considered to be a manifestation of primary tuberculosis. Our objective was to use molecular epidemiological techniques to describe the occurrence of pleural and other extrapulmonary tuberculosis in Maryland, a state with moderate tuberculosis incidence. We surveyed tuberculosis cases reported with a single site of disease in Maryland from 1996 through 2001. Genotyping of Mycobacterium tuberculosis isolates was performed with an IS6110-based restriction fragment-length polymorphism analysis. DNA clustering of strains with >5 IS6110 bands, with supporting epidemiologic information on patients, served as a proxy for recent transmission. A total of 1811 patients with tuberculosis were reported (incidence, 5.9 cases per 100,000 population). Of 1411 patients (77.9%) with cultures positive for M. tuberculosis, 1246 (88.3%) had a single site of disease, with 934 (75.0%) of these isolates having >5 IS6110 bands. Of the 934 patients included in the analyses, 729 (78.0%) had pulmonary tuberculosis, and 205 (22.0%) had extrapulmonary tuberculosis; of the latter group, 46 patients had pleural...Continue Reading

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Mar 1, 2014·International Journal of Mycobacteriology·Andrew Scott Webster, Wayne Xavier Shandera
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Oct 21, 2020·The Indian Journal of Tuberculosis·Syed Zulkharnain TousheedB V Muralimohan

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