Recommendation on unbiased estimation of population attributable fraction calculated in “prevalence and risk factors of active pulmonary tuberculosis among elderly people in China: a population based cross-sectional study”
AbstractPopulation attributable fraction (PAF) refers to the proportion of all cases with a particular outcome in a population that could be prevented by eliminating a specific exposure. The authors of a recent paper evaluated the prevalence and estimated the PAFs for risk factors of TB among elderly people in China [Inf Dis Poverty. 2019;8:7]. Confounding is inevitable in observational studies and Levin ’s formula is of limited use in practice for unbiasedly estimating PAF. In a complex survey design, an unbiased estimation of the PAF can be calculated using a sample-weighted version of the Miettinen formula or a sample weighed parametric g-formula. With respect to causal interpretation of PAF in public health setting, computation of PAF is logical and practical when the exposure is amenable to intervention.
We report the case of a 10-year-old child treated for latent tuberculosis infection (LTBI) with pyrazinamide (PZA) and levofloxacin after contact with a smear-positive multidrug-resistant tuberculosis adult. Over the course of the treatment, the patient developed a drug-induced fulminant hepatitis attributed to the combination of PZA and levofloxacin. This case highlights the hepatotoxicity of the association of second-line anti-TB treatment in children.
Background: The incidence of drug-resistant forms of tuberculosis (DR-TB) and the number of children treated with second-line drugs (SLDs) are increasing. However, limited amount of information is available regarding the use of SLDs in this population. Methods: To describe the treatment of pediatric TB with SLDs and factors associated with use of SLDs in children with and without documented DR-TB, records of pediatric TB patients referred to a center in Italy from 2007 to 2018 were reviewed retrospectively. Results: Of 204 children diagnosed with active TB during the study period, 42 were treated with SLDs because ...
This retrospective study investigated outcomes among lost to follow-up (LTFU) adolescents and young adults (AYAs: 10–24 years of age) with tuberculosis (TB) registered from 2008 to 2014 in Gaborone, using surveillance data. Of 68 LTFU AYAs, 16 repeated treatment; 8 completed and 6 were again LTFU. Of 4 confirmed deaths, 3 had TB/HIV coinfection. Approaches to improve AYA retention in TB care are needed.
Conclusions: The effectiveness of TB management was acceptable. Our routine procedures for the exclusion of TBI appear safe.
This study aimed to assess treatment outcomes of childhood TB in Chókwè District, Mozambique. Methods: A retrospective cohort study of children
[Nyasa Times] Community sputum collection points across Malawi managed to identify at least 1000 Tuberculosis (TB) patients in 2018 alone and helped the sick to access treatment, effectively avoiding transmission which could have lead to 15,000 new TB cases.