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Same-day diagnosis of tuberculosis by microscopy : policy statement.

Author: World Health Organization,
Publisher: Geneva, Switzerland : World Health Organization, [2011]
Edition/Format:   eBook : Document : International government publication : English
Summary:
In 2009, the strength of the evidence for a 'same-day diagnosis' approach (microscopy of two consecutive sputum specimens on the same day) was assessed by the World Health Organization (WHO), following standards appropriate for evaluating both the accuracy and the effect of new interventions on patients and public health. It was found that there was sufficient generalizable evidence that a same-day diagnosis  Read more...
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Material Type: Document, Government publication, International government publication, Internet resource
Document Type: Internet Resource, Computer File
All Authors / Contributors: World Health Organization,
ISBN: 924150160X 9789241501606
OCLC Number: 781293117
Notes: Title from PDF cover.
"WHO/HTM/TB/2011.7."
Description: 1 online resource (PDF file (11 pages))

Abstract:

In 2009, the strength of the evidence for a 'same-day diagnosis' approach (microscopy of two consecutive sputum specimens on the same day) was assessed by the World Health Organization (WHO), following standards appropriate for evaluating both the accuracy and the effect of new interventions on patients and public health. It was found that there was sufficient generalizable evidence that a same-day diagnosis approach is equivalent, in terms of diagnostic accuracy, to conventional microscopy case-finding strategies. Neveretheless, significant organizational and programme changes would be required to optimize the advantages of same-day diagnosis, to ensure that laboratory results are received back at the health facility and that patients start treatment on the same day. In addition, there is currently no evidence that early diagnosis of TB results in better uptake of treatment or improved treatment outcomes, so that programmes must closely monitor the effect of revised case-finding strategies. On the basis of these findings, WHO recommends that countries that have successfully implemented current WHO policy for a two-specimen case-finding strategy consider switching to same-day diagnosis, especially in settings where patients are likely to default from the diagnostic process. Countries that are still using the three-specimen case-finding strategy should consider a gradual change to same-day diagnosis, once WHO-recommended external microscopy quality assurance systems are in place and good-quality microscopy results have been documented. It is essential that programmatic, logistic and operational implications at country level be taken into account in implementation of same-day diagnosis.

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Primary Entity

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