Recovery of Mycobacterium avium-M. intracellulare from blood specimens by using the routine BACTEC 6B blood culture system.

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RESUMO

We describe a simple technique for recovery of Mycobacterium avium-M. intracellulare from blood culture specimens by using the BACTEC 460, a system used for routine blood cultures in many hospital laboratories. A total of 26 of 215 blood specimens (12%) from 11 of 48 patients (23%) with acquired immunodeficiency syndrome (AIDS) or AIDS-related complex yielded isolates of M. avium-M. intracellulare. Acid-fast staining of prepared specimens was positive for 16 of 26 cultures that ultimately yielded the organism.

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