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Prevalence of Anergy Among Hospitalized Drug Users in Southern Tehran

AUTHORS

Shervin Shokuhi ORCID , * , Ali Ali Asgari 2

AUTHORS INFORMATION

2 Department of Internal Medicine, Loghman Hakim Hospital, Shahid Beheshti Medical University, Tehran, IR Iran

How to Cite: Shokuhi S, Ali Asgari A. Prevalence of Anergy Among Hospitalized Drug Users in Southern Tehran, Arch Clin Infect Dis. Online ahead of Print ; 3(1):29-33.

ARTICLE INFORMATION

Archives of Clinical Infectious Diseases: 3 (1); 29-33
Article Type: Research Article

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Abstract

Background: Prevention strategies rely heavily on the use of tuberculin test to identify persons harbouring tuberculosis. Anergy undermines these strategies in persons at the highest risk for tuberculosis infection and subsequent active disease.

Materials and methods: Patients with a history of drug use for more than 6 month who were admitted in Loghman Hakim and Imam Hussein hospitals between January 2005 and October 2006 were recruited. The tuberculin PPD, tetanus toxoid and candida skin tests were performed and read at 4872 hours. Anergy was defined as the absence of reaction to either any of the three antigens or by ?2 mm induration in response to all of tetanus, candida, and tuberculin antigens.

Results: A total of 221 patients (216 male, mean age 43.5 14.3 years) were studied. Tuberculin skin test results showed that 87 subjects (39.4%) tested positive for TB reactivity. Reactivity to tetanus and candida antigens were observed in 214 (96.8%) and 197 (89.1%), respectively. Skin test anergy was found in 5 subjects (2.3%). Anergic cases were all male, HIV seronegative and opium users.

Conclusion: Skin test anergy is uncommon among drug users and the PPD skin test may be reliably used for the identification of latent TB infection in the population.

Keywords

Drug addiction, Tuberculin test, Anergy, HIV infection

© 0, Archives of Clinical Infectious Diseases. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial 4.0 International License (http://creativecommons.org/licenses/by-nc/4.0/) which permits copy and redistribute the material just in noncommercial usages, provided the original work is properly cited.

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