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. 1968 Mar;16(3):506–508. doi: 10.1128/am.16.3.506-508.1968

Direct Comparison of the N-Acetyl-L-Cysteine-Sodium Hydroxide and the Trisodium Phosphate Digestion Methods for the Culture of Mycobacteria

Margaret E Martin 1, Charles L Horton 1, A Leonard Sheffner 1,1, James D Solomon 1
PMCID: PMC547449  PMID: 4967759

Abstract

Comparison of sputum digestion procedures utilizing acetylcysteine-sodium hydroxide (AC) and trisodium phosphate for the isolation and culture of mycobacteria indicated that the AC procedure provides faster growth, thus permitting the earlier detection of positives. Also, in untreated patients and those in whom treatment has been recently instituted, the number of positives was slightly larger with the use of the AC procedure. However, of greater interest was finding that the AC procedure provided a larger quantity of positive cultures with sputum from subjects who had been intensively treated with antimicrobials and other drugs. Contamination was higher with the AC procedure, but when the sputa were diluted 1:10 this interference due to contamination was decreased.

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Selected References

These references are in PubMed. This may not be the complete list of references from this article.

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