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. 2012 Jan;18(1):29-37.
doi: 10.3201/eid1801.110850.

High prevalence of multidrug-resistant tuberculosis, Swaziland, 2009-2010

Elisabeth Sanchez-Padilla  1 , Themba Dlamini, Alexandra Ascorra, Sabine Rüsch-Gerdes, Zerihun Demissie Tefera, Philippe Calain, Roberto de la Tour, Frauke Jochims, Elvira Richter, Maryline Bonnet
Affiliations

High prevalence of multidrug-resistant tuberculosis, Swaziland, 2009-2010

Elisabeth Sanchez-Padilla et al. Emerg Infect Dis. 2012 Jan.

Abstract

In Africa, although emergence of multidrug-resistant (MDR) tuberculosis (TB) represents a serious threat in countries severely affected by the HIV epidemic, most countries lack drug-resistant TB data. This finding was particularly true in the Kingdom of Swaziland, which has the world's highest HIV and TB prevalences. Therefore, we conducted a national survey in 2009-2010 to measure prevalence of drug-resistant TB. Of 988 patients screened, 420 new case-patients and 420 previously treated case-patients met the study criteria. Among culture-positive patients, 15.3% new case-patients and 49.5% previously treated case-patients harbored drug-resistant strains. MDR TB prevalence was 7.7% and 33.8% among new case-patients and previously treated case-patients, respectively. HIV infection and past TB treatment were independently associated with MDR TB. The findings assert the need for wide-scale intervention in resource-limited contexts such as Swaziland, where diagnostic and treatment facilities and health personnel are lacking.

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Figures

Figure 1
Figure 1
Tuberculosis diagnosis facilities (red diamonds), Swaziland.
Figure 2
Figure 2
Study profile, national drug-resistant tuberculosis (TB) survey, Swaziland, 2009–2010. A) New patients; B) previously treated patients. NRL, National Reference Laboratory; MTB, Mycobacterium tuberculosis; MOTT, mycobacteria other than tuberculosis. *MTB + MOTT. †1 MTB + MOTT, 2 MTB + other bacteria (nonmycobacteria).
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