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Infectious Disease Reports
  • Infectious Disease Reports is published by MDPI from Volume 12 Issue 3 (2020). Previous articles were published by another publisher in Open Access under a CC-BY (or CC-BY-NC-ND) licence, and they are hosted by MDPI on mdpi.com as a courtesy and upon agreement with PAGEPress.
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24 July 2012

Value of Third Sputum Smear for Detection of Pulmonary Tuberculosis in HIV Infected Patients

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Clinical Tuberculosis and Epidemiology Research Center, National Research Institute of Tuberculosis and Lung Disease, Masih Daneshvari Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Author to whom correspondence should be addressed.

Abstract

We evaluated diagnostic yield of third sputum smear in patients co infected with HIV for detection of pulmonary tuberculosis. Among 139 pulmonary tuberculosis cases confirmed with positive sputum culture, diagnostic yield of first smear of sputum with acid fast staining was 83.5%. Incremental yield of 2nd and 3rd samples was 11.2% and 5.2% respectively. So two sputum smears may be enough for primary evaluation of HIV infected patients suspected to TB.

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