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Journal of Research in Medical Sciences، جلد ۱۸، شماره ۹، صفحات ۷۶۷-۰
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عنوان انگلیسی Comparative study of Smear Microscopy, Rapid Slide Culture, and Lowenstein - Jensen culture in cases of pulmonary tuberculosis in a tertiary care hospital
چکیده انگلیسی مقاله Normal 0 false false false EN-US X-NONE AR-SA MicrosoftInternetExplorer4 Background: Tuberculosis (TB), a dreadful disease known to mankind continues to be a problem in a developing country like India. The incidence of people getting infected with TB is on the rise due to compounding factors like coinfection with the human immunodefiency virus and multidrug-resistant strains. There is a definitive need for early diagnosis and treatment of TB to curb transmission of the infection. Direct smear microscopy, though cheap and rapid, lacks sensitivity. Isolation of Mycobacterium tuberculosis in culture requires a long time, because of which there is a need for a rapid method which has good sensitivity and specificity for the detection of M. tuberculosis . The present study was undertaken to determine the test which diagnoses TB rapidly and to compare the sensitivity of smear microscopy, concentration method, rapid slide culture, and Lowenstein - Jensen (LJ) culture. Materials and Methods: Sputum samples of 200 patients were subjected to direct smear and concentration by modified Petroff’s method. The concentrated sputum was also taken for slide culture using human blood medium and inoculated on LJ media. Results: LJ culture was positive in 47 (23.5%) cases, of which three were nontubercular mycobacteria. Using LJ culture as the standard method, the sensitivity of direct smear, concentration method, and rapid slide culture method was 68, 83, and 89%, respectively, and specificity was 100% in all the three tests. Conclusion: Rapid slide culture showed good sensitivity which was comparable to and next in efficacy to LJ culture and this technique can be adopted in the Revised National Tuberculosis Control Program (RNTCP) as it is a rapid, cheap, sensitive, and specific method.
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نویسندگان مقاله ravish کومار muddaiah | ravish kumar muddaiah
department of microbiology, basaveshwara medical college, chitradurga, india


pratibha malini جیمز | pratibha malini james
department of microbiology, basaveshwara medical college, chitradurga, india


ravikumar kadahalli lingegowda | ravikumar kadahalli lingegowda
kempegowda institute of medical sciences, banashankari 2nd stage, bangalore, india
نشانی اینترنتی http://jrms.mui.ac.ir/index.php/jrms/article/view/9470
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زبان مقاله منتشر شده en
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نوع مقاله منتشر شده Original Articles
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