Journal
PUBLIC HEALTH ACTION
Volume 12, Issue 2, Pages 85-89Publisher
INT UNION AGAINST TUBERCULOSIS LUNG DISEASE (I U A T L D)
DOI: 10.5588/pha.21.0079
Keywords
computer-aided detection for TB; community-based active TB case-finding; WHO 3B TB screening/diagnosis algorithm; Delft Light Backpack; GeneXpert TB diagnosis
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TB screening using DLB X-ray in hard-to-reach Niger Delta communities showed a high TB prevalence among participants.
SETTING: This pilot project was conducted in hard-to-reach communities of two Niger Delta States in the South-South Region of Nigeria. OBJECTIVE: To assess the usefulness of portable digital X-ray, the Delft-Light Backpack (DLB) for TB active case-finding (ACF) in hard-to-reach Niger Delta communities using the WHO 3B TB screening/diagnosis algorithm. DESIGN: DLB X-ray was used to screen all consenting eligible participants during community TB screening out-reaches in all hard-to-reach communities of Akwa Ibom and Cross River States in the Niger Delta, Nigeria. Participants with a CAD4TB (computer-aided detection for TB score)>= 60 had Xpert (sputum) and/or clinical (radiograph) assessment for TB diagnosis. Data from the project were analysed for this study. RESULTS: A total of 8,230 participants (males: 47.2%, females: 52.8%) underwent TB screening and 1,140 (13.9%) presumptive TB cases were identified. The TB prevalence among all participants and among those with presumptive TB were respectively 1.2% and 8.6%. The number needed to screen was 84. Among people with presumptive TB, the proportion of males and females with confirmed TB was respectively 12.0% and 5.6% (P < 0.001). CONCLUSION: TB screening using DLB X-ray during community-based ACF in hard-to-reach Niger Delta communities of Nigeria showed a high TB prevalence among participants. Nationwide deployment of the instrument in hard-to-reach areas is recommended.
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