Drug-resistant tuberculosis: Current dilemmas, unanswered questions, challenges and priority needs

Zumla, Alimuddin, Abubakar, Ibrahim, Raviglione, Mario, Hoelscher, Michael, Ditiu, Lucica, McHugh, Timothy D., Squire, S. Bertel, Cox, Helen, Ford, Nathan, McNerney, Ruth, Marais, Ben, Grobusch, Martin, Lawn, Stephen D., Migliori, Giovanni-Battista, Mwaba, Peter, O'Grady, Justin, Pletschette, Michel, Ramsay, Andrew, Chakaya, Jeremiah, Schito, Marco, Swaminathan, Soumya, Memish, Ziad, Maeurer, Markus and Atun, Rifat (2012) Drug-resistant tuberculosis: Current dilemmas, unanswered questions, challenges and priority needs. Journal of Infectious Diseases, 205 (suppl 2). S228-S240. ISSN 0022-1899

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Abstract

Tuberculosis was declared a global emergency by the World Health Organization (WHO) in 1993. Following the declaration and the promotion in 1995 of directly observed treatment short course (DOTS), a cost-effective strategy to contain the tuberculosis epidemic, nearly 7 million lives have been saved compared with the pre-DOTS era, high cure rates have been achieved in most countries worldwide, and the global incidence of tuberculosis has been in a slow decline since the early 2000s. However, the emergence and spread of multidrug-resistant (MDR) tuberculosis, extensively drug-resistant (XDR) tuberculosis, and more recently, totally drug-resistant tuberculosis pose a threat to global tuberculosis control. Multidrug-resistant tuberculosis is a man-made problem. Laboratory facilities for drug susceptibility testing are inadequate in most tuberculosis-endemic countries, especially in Africa; thus diagnosis is missed, routine surveillance is not implemented, and the actual numbers of global drug-resistant tuberculosis cases have yet to be estimated. This exposes an ominous situation and reveals an urgent need for commitment by national programs to health system improvement because the response to MDR tuberculosis requires strong health services in general. Multidrug-resistant tuberculosis and XDR tuberculosis greatly complicate patient management within resource-poor national tuberculosis programs, reducing treatment efficacy and increasing the cost of treatment to the extent that it could bankrupt healthcare financing in tuberculosis-endemic areas. Why, despite nearly 20 years of WHO-promoted activity and >12 years of MDR tuberculosis–specific activity, has the country response to the drug-resistant tuberculosis epidemic been so ineffectual? The current dilemmas, unanswered questions, operational issues, challenges, and priority needs for global drug resistance screening and surveillance, improved treatment regimens, and management of outcomes and prevention of DR tuberculosis are discussed.

Item Type:	Article
Uncontrolled Keywords:	sdg 3 - good health and well-being ,/dk/atira/pure/sustainabledevelopmentgoals/good_health_and_well_being
Faculty \ School:	Faculty of Medicine and Health Sciences > Norwich Medical School
UEA Research Groups:	Faculty of Medicine and Health Sciences > Research Groups > Medical Microbiology (former - to 2018)
Depositing User:	Sophie Buckingham
Date Deposited:	05 Mar 2013 10:38
Last Modified:	11 Jun 2024 13:30
URI:	https://ueaeprints.uea.ac.uk/id/eprint/41736
DOI:	10.1093/infdis/jir858

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