The South African tuberculosis care cascade: estimated losses and methodological challenges. Naidoo, P., Theron, G., Rangaka, M. X, Chihota, V. N, Vaughan, L., Brey, Z. O, & Pillay, Y. The Journal of Infectious Diseases, 216(S7):S702–S713, Oxford University Press, nov, 2017.
The South African tuberculosis care cascade: estimated losses and methodological challenges [link]Paper  doi  abstract   bibtex   
Background While tuberculosis incidence and mortality are declining in South Africa, meeting the goals of the End TB Strategy requires an invigorated programmatic response informed by accurate data. Enumerating the losses at each step in the care cascade enables appropriate targeting of interventions and resources. Methods We estimated the tuberculosis burden; the number and proportion of individuals with tuberculosis who accessed tests, had tuberculosis diagnosed, initiated treatment, and successfully completed treatment for all tuberculosis cases, for those with drug-susceptible tuberculosis (including human immunodeficiency virus (HIV)–coinfected cases) and rifampicin-resistant tuberculosis. Estimates were derived from national electronic tuberculosis register data, laboratory data, and published studies. Results The overall tuberculosis burden was estimated to be 532005 cases (range, 333760–764480 cases), with successful completion of treatment in 53% of cases. Losses occurred at multiple steps: 5% at test access, 13% at diagnosis, 12% at treatment initiation, and 17% at successful treatment completion. Overall losses were similar among all drug-susceptible cases and those with HIV coinfection (54% and 52%, respectively, successfully completed treatment). Losses were substantially higher among rifampicin- resistant cases, with only 22% successfully completing treatment. Conclusion Although the vast majority of individuals with tuberculosis engaged the public health system, just over half were successfully treated. Urgent efforts are required to improve implementation of existing policies and protocols to close gaps in tuberculosis diagnosis, treatment initiation, and successful treatment completion.
@article{Naidoo2017,
abstract = {Background While tuberculosis incidence and mortality are declining in South Africa, meeting the goals of the End TB Strategy requires an invigorated programmatic response informed by accurate data. Enumerating the losses at each step in the care cascade enables appropriate targeting of interventions and resources. Methods We estimated the tuberculosis burden; the number and proportion of individuals with tuberculosis who accessed tests, had tuberculosis diagnosed, initiated treatment, and successfully completed treatment for all tuberculosis cases, for those with drug-susceptible tuberculosis (including human immunodeficiency virus (HIV)–coinfected cases) and rifampicin-resistant tuberculosis. Estimates were derived from national electronic tuberculosis register data, laboratory data, and published studies. Results The overall tuberculosis burden was estimated to be 532005 cases (range, 333760–764480 cases), with successful completion of treatment in 53{\%} of cases. Losses occurred at multiple steps: 5{\%} at test access, 13{\%} at diagnosis, 12{\%} at treatment initiation, and 17{\%} at successful treatment completion. Overall losses were similar among all drug-susceptible cases and those with HIV coinfection (54{\%} and 52{\%}, respectively, successfully completed treatment). Losses were substantially higher among rifampicin- resistant cases, with only 22{\%} successfully completing treatment. Conclusion Although the vast majority of individuals with tuberculosis engaged the public health system, just over half were successfully treated. Urgent efforts are required to improve implementation of existing policies and protocols to close gaps in tuberculosis diagnosis, treatment initiation, and successful treatment completion.},
author = {Naidoo, Pren and Theron, Grant and Rangaka, Molebogeng X and Chihota, Violet N and Vaughan, Louise and Brey, Zameer O and Pillay, Yogan},
doi = {10.1093/infdis/jix335},
file = {:C$\backslash$:/Users/Claire/AppData/Local/Mendeley Ltd./Mendeley Desktop/Downloaded/Naidoo et al. - 2017 - The South African tuberculosis care cascade estimated losses and methodological challenges.pdf:pdf},
journal = {The Journal of Infectious Diseases},
keywords = {OA,Tuberculosis,care cascade,case-finding,continuum of care,fund{\_}not{\_}ack,initial loss to follow-up,original,treatment success},
mendeley-tags = {OA,fund{\_}not{\_}ack,original},
month = {nov},
number = {S7},
pages = {S702--S713},
publisher = {Oxford University Press},
title = {{The South African tuberculosis care cascade: estimated losses and methodological challenges}},
url = {https://academic.oup.com/jid/article/216/suppl{\_}7/S702/4595546},
volume = {216},
year = {2017}
}
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