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Detection and management of drug-resistant tuberculosis in HIV-infected patients in lower-income countries.


ABSTRACT: Drug resistance threatens tuberculosis (TB) control, particularly among human immunodeficiency virus (HIV) infected persons.To describe practices in the prevention and management of drug-resistant TB under antiretroviral therapy (ART) programs in lower-income countries.We used online questionnaires to collect program-level data on 47 ART programs in Southern Africa (n = 14), East Africa (n = 8), West Africa (n = 7), Central Africa (n = 5), Latin America (n = 7) and the Asia-Pacific (n = 6 programs) in 2012. Patient-level data were collected on 1002 adult TB patients seen at 40 of the participating ART programs.Phenotypic drug susceptibility testing (DST) was available in 36 (77%) ART programs, but was only used for 22% of all TB patients. Molecular DST was available in 33 (70%) programs and was used in 23% of all TB patients. Twenty ART programs (43%) provided directly observed therapy (DOT) during the entire course of treatment, 16 (34%) during the intensive phase only, and 11 (23%) did not follow DOT. Fourteen (30%) ART programs reported no access to second-line anti-tuberculosis regimens; 18 (38%) reported TB drug shortages.Capacity to diagnose and treat drug-resistant TB was limited across ART programs in lower-income countries. DOT was not always implemented and drug supplies were regularly interrupted, which may contribute to the global emergence of drug resistance.

SUBMITTER: Ballif M 

PROVIDER: S-EPMC4323497 | biostudies-literature | 2014 Nov

REPOSITORIES: biostudies-literature

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Detection and management of drug-resistant tuberculosis in HIV-infected patients in lower-income countries.

Ballif M M   Nhandu V V   Wood R R   Dusingize J C JC   Carter E J EJ   Cortes C P CP   McGowan C C CC   Diero L L   Graber C C   Renner L L   Hawerlander D D   Kiertiburanakul S S   Du Q T QT   Sterling T R TR   Egger M M   Fenner L L  

The international journal of tuberculosis and lung disease : the official journal of the International Union against Tuberculosis and Lung Disease 20141101 11


<h4>Setting</h4>Drug resistance threatens tuberculosis (TB) control, particularly among human immunodeficiency virus (HIV) infected persons.<h4>Objective</h4>To describe practices in the prevention and management of drug-resistant TB under antiretroviral therapy (ART) programs in lower-income countries.<h4>Design</h4>We used online questionnaires to collect program-level data on 47 ART programs in Southern Africa (n = 14), East Africa (n = 8), West Africa (n = 7), Central Africa (n = 5), Latin A  ...[more]

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