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The effect of tuberculous meningitis on the cognitive and motor development of children
C J Schoeman1, I Herbst, D C Nienkemper
1Department of Paediatrics and Child Health, University of the Orange Free State, Bloemfontein.
Insights
Children surviving tuberculous meningitis (TBM) experience significant cognitive and motor impairments. These deficits are widespread, indicating that early intervention may not target specific areas effectively.
Area of Science:
- Pediatric Neurology
- Infectious Diseases
- Neurodevelopmental Disorders
Background:
- Tuberculous meningitis (TBM) is a severe infection with potential long-term neurological sequelae in children.
- Understanding the extent of cognitive and motor deficits is crucial for developing rehabilitation strategies.
Purpose of the Study:
- To assess and compare cognitive and motor impairments in children who survived TBM.
- To identify specific areas of deficit that could benefit from remedial interventions.
Main Methods:
- Neurodevelopmental testing was conducted on a cohort of children 1-7 years post-TBM treatment.
- Cognitive, fine motor, and gross motor development were evaluated and compared to age-matched controls.
Main Results:
- Children showed median cognitive development at 66.9% and gross motor function at 51.2% of expected levels.
- Impairment was generalized across cognitive domains and significant in gross motor function.
- More severe TBM stages (2 and 3) were associated with greater cognitive and gross motor deficits.
Conclusions:
- TBM survivors exhibit marked, generalized cognitive and motor impairments.
- No specific areas were identified for targeted early remedial intervention.
- While 9-12 month treatment regimens were effective, TBM prevention is paramount.
Objective:
To evaluate and compare the different degrees of cognitive and motor impairment of children surviving tuberculous meningitis (TBM), with a view to establishing areas amenable to remedial intervention.
Design:
Neurodevelopmental testing of a previously reported cohort, performed 1-7 years after completion of 9-12 months of treatment of TBM.
Setting:
Bloemfontein and environs.
Participants:
A total of 19 subjects out of a possible 25 (76%) in a geographically accessible area.
Main Outcome Measures:
Cognitive and fine and gross motor development.
Results:
Cognitive and motor development were scored and expressed as percentages of those expected for normal children of similar age and background. The median cognitive development was 66.9% (95% confidence intervals (CIs) 59.1-73.2). The degree of impairment was similar for all 10 cognitive areas tested, ranging from 61.8% to 70.4%. The median fine motor development score was 68.6% (95% CIs 54.7-81.5). The median gross motor function score was 51.2% (95% CIs 36.4-77.1). Comparison of impairment between stage 2 and stage 3 disease showed median differences of 28.7% (95% CI 2.7-55.1) (P = 0.02) for cognitive function, 21.6% (95% CI -9.9-54.1) (P = 0.15) for fine motor function, and 35.2% (95% CI 14.2-59.6) (P = 0.01) for gross motor function. No TBM relapses had occurred.
Conclusions:
Our findings show the occurrence of marked generalised impairment of cognitive and motor development following TBM, with no specific areas amenable to early remedial intervention. Shortened treatment regimens of 9-12 months were effective, but prevention of TBM remains the priority.
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