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Published on: April 5, 2017
Improving childhood tuberculosis detection and treatment through facility-based screening in rural Pakistan
A A Malik1, F Amanullah2, A J Codlin3
1Global Health Directorate, Indus Health Network, Interactive Research and Development, Pakistan, Emory University Rollins School of Public Health, Atlanta, Georgia, USA.
Insights
Systematic verbal screening and contact tracing significantly increased childhood tuberculosis (TB) case finding in Pakistan. This approach identified many undiagnosed pediatric TB cases, improving public health outcomes.
Area of Science:
- Pediatric infectious diseases
- Public health interventions
- Tuberculosis diagnostics
Background:
- Childhood tuberculosis (TB) is often underdiagnosed due to limited services and child-friendly diagnostics.
- TB is a significant cause of illness in children, yet remains underappreciated.
- Lack of accessible diagnostic services contributes to missed TB cases in pediatric populations.
Purpose of the Study:
- To evaluate the impact of systematic verbal screening and contact tracing on TB case finding in children.
- To assess the effectiveness of integrated management services for pediatric TB.
- To improve the diagnosis and notification rates of childhood TB.
Main Methods:
- Verbal screening of children in pediatric outpatient departments of public hospitals in Jamshoro District, Pakistan (October 2014 - March 2016).
- Referral for clinical evaluation, free chest X-ray, and bacteriological tests for symptomatic or at-risk children.
- Contact tracing of diagnosed TB patients' household members for screening.
Main Results:
- Over 105,000 children were screened, identifying 5,880 presumptive TB cases.
- 1,417 children (1.3% prevalence) were diagnosed with TB; 43% were female, median age 5 years.
- Contact tracing identified an additional 390 children with TB, leading to a threefold increase in pediatric TB notifications.
Conclusions:
- Systematic verbal screening, coupled with clinical evaluation and free diagnostics, effectively identifies children with TB in rural settings.
- This integrated approach can overcome barriers to diagnosis and significantly improve childhood TB case finding.
- The study highlights the importance of proactive screening and contact tracing for managing pediatric TB.
Setting:
Many children with tuberculosis (TB) remain undiagnosed due to the absence of services, lack of child-friendly diagnostics and underappreciation of TB as a common cause of childhood illness.
Objective:
To show the impact of systematic verbal screening and contact tracing with appropriate management services on TB case finding in pediatric populations.
Design:
Between October 2014 and March 2016, children were verbally screened at the pediatric out-patient departments of four public hospitals in Jamshoro District, Pakistan. Children with symptoms or risk of TB were referred for clinical evaluation and free chest X-ray and bacteriological tests. Children with TB were started on treatment and their care givers asked to bring household members to the hospital for screening.
Results:
Over 105 000 children were verbally screened and 5880 presumptive childhood TB patients were identified; 1417 children (prevalence 1.3%) were diagnosed with TB; 43% were female. The median age was 5 years; 82% had pulmonary TB. An additional 390 children with TB were diagnosed through contact tracing. These activities resulted in a three-fold increase in pediatric TB case notifications.
Conclusion:
Systematic verbal screening with clinical evaluation and free diagnostics can identify children with TB who may otherwise be missed in rural health settings.
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