Cord formation in BACTEC 7H12 medium for rapid, presumptive identification of Mycobacterium tuberculosis complex.

Journal of Clinical Microbiology
P V YagupskyF S Nolte

Abstract

We evaluated cord formation in BACTEC 7H12 medium as a criterion for rapid identification of Mycobacterium tuberculosis complex. Kinyoun-stained smears, prepared from 270 radiometrically positive BACTEC 7H12 bottles, were examined independently by three observers. Smears from 93.2, 88.6, and 83.0% of the M. tuberculosis complex cultures were read as cord positive, and smears from 97.3, 97.8, and 99.5% of the mycobacteria other than M. tuberculosis cultures were read as cord negative by the three observers, respectively. There was 93.3% agreement between the observers. The presence of cords in BACTEC 7H12 medium can be a reliable criterion for rapid, presumptive identification of M. tuberculosis complex.

Citations

Apr 24, 2003·Antimicrobial Agents and Chemotherapy·F MasselotD Raoult
Jan 18, 2008·Jornal brasileiro de pneumologia : publicaça̋o oficial da Sociedade Brasileira de Pneumologia e Tisilogia·Andrea Gobetti Vieira CoelhoBruno Francisco de Lima Duca
Feb 4, 2010·Jornal brasileiro de pneumologia : publicaça̋o oficial da Sociedade Brasileira de Pneumologia e Tisilogia·Fernanda Cristina dos Santos SimeãoMaria Alice da Silva Telles
Aug 1, 1991·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·P P KoemothM Brock
Nov 1, 1994·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·M Salfinger, G E Pfyffer
Oct 9, 1998·European Journal of Clinical Microbiology & Infectious Diseases : Official Publication of the European Society of Clinical Microbiology·J GonzálezM T Jiménez de Anta
Nov 19, 2011·Journal of Negative Results in Biomedicine·Anita MashtaPramod Upadhyay
Dec 22, 2019·International Wound Journal·Hakan Kunduracılar
Apr 25, 2018·Journal of Medical Microbiology·Juliana Maira Watanabe PinhataRosangela Siqueira de Oliveira
Jun 27, 2008·Journal of Clinical Microbiology·John F Staropoli, John A Branda
Sep 1, 1993·Journal of Clinical Microbiology·A J Morris, L B Reller
Oct 1, 1993·Journal of Clinical Microbiology·E G FordN G Warren

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