Photo credit: Onyinye Genevieve Kene-Eneh // Source: The 2023 USAID Climatelinks// Location: Nigeria // Organization: KNCV Nigeria
Introduction
KNCV Nigeria has adopted a parallel screening algorithm that combines the WHO 4-symptom screen and portable digital X-ray (PDX) with CAD4TB to help close the gap in missing TB cases.
Intervention
- Seven PDX units with CAD4TB were deployed across six states in Nigeria.
- Presumptive TB cases were identified when clients answered “yes” to one or more symptoms or had a CAD4TB socres of >=50. All the presumptive TB were evaluated with GeneXpert, Truenat, or TB lamp, and those with negative results were further reviewed by radiologists.
Conclusion
- The parallel screening algorithm using the WHO symptom screen and PDX and AI demonstrates a strategic approach to optimizing TB case finding, ensuring that gaps in missing TB cases are closed.
- This suggests that countries should consider adopting this algorithm when implementing PDX with AI to enhance TB case-finding interventions.
REFERENCE: Chukwu, E. et al (2024, November 12-16). Parallel Screening Algorithm using WHO symptom screen and portable Digital Xray (PDX) with Artificial Intelligence (AI): A strategic approach to optimize TB case finding [Poster Presentation]. The Union World Conference on Lung Health, Bali, Indonesia.
