A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control
<p>Abstract</p> <p>Background</p> <p>DNA fingerprinting of <it>Mycobacterium tuberculosis </it>isolates offers better opportunities to study links between tuberculosis (TB) cases and can highlight relevant issues in urban TB control in low-endemic countries....
| Main Authors: | , , , , |
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| Format: | Article |
| Language: | English |
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BMC
2009-09-01
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| Series: | BMC Infectious Diseases |
| Online Access: | http://www.biomedcentral.com/1471-2334/9/151 |
| _version_ | 1818351465164439552 |
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| author | Burdo Conny CA van Hest Rob AH de Vries Gerard van Soolingen Dick Richardus Jan H |
| author_facet | Burdo Conny CA van Hest Rob AH de Vries Gerard van Soolingen Dick Richardus Jan H |
| author_sort | Burdo Conny CA |
| collection | DOAJ |
| description | <p>Abstract</p> <p>Background</p> <p>DNA fingerprinting of <it>Mycobacterium tuberculosis </it>isolates offers better opportunities to study links between tuberculosis (TB) cases and can highlight relevant issues in urban TB control in low-endemic countries.</p> <p>Methods</p> <p>A medium-sized molecular cluster of TB cases with identical DNA fingerprints was used for the development of a visual presentation of epidemiologic links between cases.</p> <p>Results</p> <p>Of 32 cases, 17 (53%) were linked to the index case, and 11 (34%) to a secondary case. The remaining four (13%) could not be linked and were classified as possibly caused by the index patient. Of the 21 cases related to the index case, TB developed within one year of the index diagnosis in 11 patients (52%), within one to two years in four patients (19%), and within two to five years in six patients (29%).</p> <p>Conclusion</p> <p>Cluster analysis underscored several issues for TB control in an urban setting, such as the recognition of the outbreak, the importance of reinfections, the impact of delayed diagnosis, the contribution of pub-related transmissions and its value for decision-making to extend contact investigations. Visualising cases in a cluster diagram was particularly useful in finding transmission locations and the similarities and links between patients.</p> |
| first_indexed | 2024-12-13T18:38:10Z |
| format | Article |
| id | doaj.art-0a127440b77f4c07b4bacb62adb5b714 |
| institution | Directory Open Access Journal |
| issn | 1471-2334 |
| language | English |
| last_indexed | 2024-12-13T18:38:10Z |
| publishDate | 2009-09-01 |
| publisher | BMC |
| record_format | Article |
| series | BMC Infectious Diseases |
| spelling | doaj.art-0a127440b77f4c07b4bacb62adb5b7142022-12-21T23:35:17ZengBMCBMC Infectious Diseases1471-23342009-09-019115110.1186/1471-2334-9-151A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis controlBurdo Conny CAvan Hest Rob AHde Vries Gerardvan Soolingen DickRichardus Jan H<p>Abstract</p> <p>Background</p> <p>DNA fingerprinting of <it>Mycobacterium tuberculosis </it>isolates offers better opportunities to study links between tuberculosis (TB) cases and can highlight relevant issues in urban TB control in low-endemic countries.</p> <p>Methods</p> <p>A medium-sized molecular cluster of TB cases with identical DNA fingerprints was used for the development of a visual presentation of epidemiologic links between cases.</p> <p>Results</p> <p>Of 32 cases, 17 (53%) were linked to the index case, and 11 (34%) to a secondary case. The remaining four (13%) could not be linked and were classified as possibly caused by the index patient. Of the 21 cases related to the index case, TB developed within one year of the index diagnosis in 11 patients (52%), within one to two years in four patients (19%), and within two to five years in six patients (29%).</p> <p>Conclusion</p> <p>Cluster analysis underscored several issues for TB control in an urban setting, such as the recognition of the outbreak, the importance of reinfections, the impact of delayed diagnosis, the contribution of pub-related transmissions and its value for decision-making to extend contact investigations. Visualising cases in a cluster diagram was particularly useful in finding transmission locations and the similarities and links between patients.</p>http://www.biomedcentral.com/1471-2334/9/151 |
| spellingShingle | Burdo Conny CA van Hest Rob AH de Vries Gerard van Soolingen Dick Richardus Jan H A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control BMC Infectious Diseases |
| title | A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control |
| title_full | A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control |
| title_fullStr | A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control |
| title_full_unstemmed | A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control |
| title_short | A <it>Mycobacterium tuberculosis </it>cluster demonstrating the use of genotyping in urban tuberculosis control |
| title_sort | it mycobacterium tuberculosis it cluster demonstrating the use of genotyping in urban tuberculosis control |
| url | http://www.biomedcentral.com/1471-2334/9/151 |
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