Use of cetylpyridinium chloride for the storage of sputum samples and isolation of M. tuberculosis

Selvakumar, N and Vanaja, Kumar and Narayana, A S L and Suryanarayanan, D and Umapthy, K C and Paramasivan, C N and Prabhakar, R (1993) Use of cetylpyridinium chloride for the storage of sputum samples and isolation of M. tuberculosis. Indian Journal of Tuberculosis, 40 (3). pp. 95-97. ISSN 0019-5705

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Abstract

Of 220 sputum specimens collected from pulmonary tuberculosis patients, 85 were culture positive when the sputum aliquots were stored with cetypyridinium chloride (CPC) and processed on 7th day (CPC method), whereas only 70 were culture positive when the aliquots of the same specimens were stored without CPC and processed by sodium hydroxide (NaOH) method. The difference in the culture positivity was statistically significant. The number of positive, cultures obtained by the CPC method (85) was comparable to that obtained by the NaOH method before storage (95) and the difference was not statistically significant.

Item Type:	Article
URI:	http://eprints.nirt.res.in/id/eprint/347

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