PMID: 9626607Jun 17, 1998Paper

Drug-resistant tuberculosis in the Dominican Republic: results of a nationwide survey

The International Journal of Tuberculosis and Lung Disease : the Official Journal of the International Union Against Tuberculosis and Lung Disease
M A EspinalS Sanchez

Abstract

The Dominican Republic. To assess the extent of drug-resistant tuberculosis (TB) following the guidelines of the World Health Organization (WHO)/International Union Against Tuberculosis and Lung Disease (IUATLD) new global surveillance project on drug resistance in TB. Using a multi-step proportional weighted approach, a sample of 688 sequential cases of smear positive pulmonary TB diagnosed between April 1994 and April 1995 was studied in six of the country's eight health regions. Pre-treatment sputum samples were cultured on Loewenstein-Jensen medium and drug susceptibility tests were performed using the economic variant of the proportion method. Of 420 cases with drug susceptibility results, resistance to one or more drugs was observed in 43.8%; resistance was found in 52.1% of 117 TB cases with a history of previous antituberculosis treatment and in 40.6% of 303 new TB cases. In five of the six health regions surveyed, > or = 41% of strains were resistant to one or more drugs. Multidrug resistance (MDR) to isoniazid and rifampicin with or without resistance to other drugs was found in 43 (10.2%) of 420 cases, including 6.6% of new TB cases. In five of the six health regions > or = 8% of strains were classified as MDR. Indep...Continue Reading

Related Concepts

Antitubercular Agents
Polychemotherapy
Tuberculosis, Pulmonary
Tuberculosis, Drug-Resistant

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