Combination of bleach and flourescent microscopy: a milestone in the diagnosis of smear negative tuberculosis

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dc.contributor.authorMakumi, J. N.
dc.contributor.authorMuthami, L N
dc.contributor.authorGithui, W A
dc.contributor.authorMatu, S
dc.contributor.authorNgeranwa, J.J.N.
dc.contributor.authorTunge, N
dc.contributor.authorJuma, E
dc.contributor.authorKarimi, F
dc.date.accessioned2013-05-13T13:30:18Z
dc.date.available2013-05-13T13:30:18Z
dc.date.issued2007-11
dc.description.abstractThe reliability of direct smear microscopy for diagnosis of tuberculosis has frequently been questioned due to low sensitivity. Treatment of sputum with sodium hypochlorite (NaOCI) has been used to increase sensitivity in many settings. However, no study has established the effect of NaOCI on fluorescent microscopy. To establish whether NaOCI concentration method enhances positivity of fluorescent microscopy smear negative sputum for diagnosis of tuberculosis. A prospective study. Mbagathi District Hospital and Centre for Respiratory Diseases Research, Kenya Medical Research Institute. Forty five (22%) specimens were culture positive. Fluorescent microscopy sensitivity was 28.9% and 22.2% after centrifugation and sedimentation with 3.5% NaOCI, respectively (P > 0.05). Sensitivity was 24.4% and 17.8% after centrifugation and sedimentation with 5% NaOCI, respectively (P > 0.05). Although there was no statistical significance difference between the two NaOCI concentration methods, 3.5% NaOCI with centrifugation indicated a higher yield. Use of NaOCI significantly enhances positivity of smear negative sputum for diagnosis of tuberculosis when used with fluorescent microscopy. This approach could be recommended for screening all tuberculosis suspects especially in settings with potential smear negative tuberculosis.en_US
dc.identifier.citationEast African medical journal 11/2007; 84(10):460-5. pp.460-5en_US
dc.identifier.urihttp://ir-library.ku.ac.ke/handle/123456789/6789
dc.language.isoenen_US
dc.publisherEast African medical journalen_US
dc.titleCombination of bleach and flourescent microscopy: a milestone in the diagnosis of smear negative tuberculosisen_US
dc.typeArticleen_US
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