Evidence map›Paper›PMID 29137661›Full record

ArticleInfectious diseases of poverty2017

Applying tuberculosis management time to measure the tuberculosis infectious pool at a local level in Ethiopia.

Senedu Bekele Gebreegziabher, Gunnar Aksel Bjune, Solomon Abebe Yimer

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Article in Infectious diseases of poverty, 2017. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.

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2citing papers in PubMed
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3 · Its place in the literature

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2 citing papers in PubMed.

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5 · Who and what money

Authors and funding

3 authors.

Senedu Bekele GebreegziabherAmhara Regional State Health Bureau, Bahir Dar, Ethiopia. sinidu_bekele@yahoo.com.
Gunnar Aksel BjuneDepartment of Community Medicine, Institute of Health and Society, University of Oslo, Oslo, Norway.
Solomon Abebe YimerAmhara Regional State Health Bureau, Bahir Dar, Ethiopia.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundMeasuring the size of the infectious pool of tuberculosis (TB) is essential to understand the burden and monitor trends of TB control program performance. This study applied the concept of TB management time to estimate and compare the size of the TB infectious pool between 2009 and 2014 in West Gojjam Zone of Amhara Region, Ethiopia.

methodsNew sputum smear-positive and smear-negative pulmonary TB (PTB) and retreatment cases who attended 30 randomly selected public health facilities in West Gojjam Zone from October 2013 to October 2014 were consecutively enrolled in the study. In order to determine the infectious period, the TB management time (number of days from the onset of cough until start of anti-TB treatment) was computed for each patient category. The number of undiagnosed TB cases was estimated and hence the TB management time for the undiagnosed category was calculated. The total size of the TB infectious pool during the study period for the study zone was estimated as the annual number of infectious person days.

resultsNew smear-positive and smear-negative PTB cases contributed 25,050 and 12,931 infectious person days per year to the TB infectious pool, respectively. The retreatment and presently undiagnosed cases contributed 8840 and 34,310 infectious person days per year, respectively. The total size of the TB infectious pool in West Gojjam Zone during the study period was estimated at 81,131 infectious person days per year or 3405 infectious person days per 100,000 population per year. Compared to a similar study done in 2009 in the study area, the current study showed reduction of the TB infectious pool by 244,279 infectious person days.

conclusionsTB management time is a simple and practical tool that may help to estimate and compare the changes in the size of the TB infectious pool at local level. It may also be used as an indicator to monitor the changes in TB control program performance.

Indexed as

AdolescentAdultAgedCross-Sectional StudiesEthiopiaHumansMiddle AgedPrevalenceSputumTuberculosis, PulmonaryYoung AdultEthiopiaInfectious poolTB management timeTuberculosisWest Gojjam zone

Identifiers

PMID29137661
PMCPMC5686949

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