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Related Experiment Videos

Pediatric tuberculosis: what needs to be done to decrease morbidity and mortality.

S J Heymann1, T F Brewer, M E Wilson

  • 1Harvard School of Public Health, Brigham and Women's Hospital, Boston, MA 02115, USA. jheymann@hsph.harvard.edu

Pediatrics
|July 6, 2000
PubMed
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Targeting tuberculosis (TB) control programs directly at children significantly reduces pediatric TB cases and deaths. Interventions for children are far more effective than those for adults in decreasing childhood TB morbidity and mortality.

Area of Science:

  • Public Health
  • Epidemiology
  • Pediatrics

Background:

  • Tuberculosis (TB) control programs in the US have shown less success in children than adults.
  • TB cases in children (0-14 years) declined slower than in other age groups between 1992-1997.
  • Adult-focused TB control strategies assume indirect benefits for children, which has proven less effective.

Purpose of the Study:

  • To evaluate the impact of TB control strategies on pediatric TB cases and deaths.
  • To compare the effectiveness of interventions targeted at children versus adults for reducing pediatric TB.
  • To analyze the influence of immigration on TB control in children.

Main Methods:

  • A semi-Markov model simulating the US population divided into age groups (<15 and >=15) and 18 clinical states.

Related Experiment Videos

  • Computer-based simulation to examine various TB control strategies.
  • Comparison of interventions directly targeting children versus those targeting adults for pediatric outcomes.

    • Main Results:

    • A 5% increase in adult treatment initiation yielded only a 0.05% decline in pediatric TB cases.
    • Improving adult treatment efficacy resulted in a minimal 0.003% decline in childhood TB.
    • A 5% increase in pediatric treatment initiation led to a 25% decrease in childhood TB cases and 16% in deaths.
    • Targeting children directly magnifies benefits, especially with immigration of infected children.

    Conclusions:

    • Directly targeting children for TB control is significantly more effective in reducing pediatric morbidity and mortality than adult-focused strategies.
    • Increasing the number of children entering treatment is more impactful than enhancing treatment effectiveness for adults.
    • Barriers like declining insurance and restrictions on immigrants hinder access to care for at-risk children.
    • Increased preventive therapy rates substantially reduce future pediatric TB cases and deaths, particularly for coinfected individuals.