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Is the time taken for sputum cultures to become negative in multidrug-resistant TB related to treatment outcome?
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  1. F Morell-Ducos
  1. SHO in Medicine, Homerton University Hospital, London, UK; morellfausto@hotmail.com

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Periodic sputum culture is used to monitor treatment efficacy in multidrug resistant tuberculosis (TB), and conversion of cultures from positive to negative for Mycobacterium tuberculosis is the most important indicator of progress. However, few studies have reported or evaluated sputum culture conversion status as an interim indicator of final treatment outcome. This study examined this and factors influencing the time to conversion.

This retrospective study looked at all patients with drug resistant TB identified from the …

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