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Tuberculosis and HIV infection in children in Abidjan, Côte d'Ivoire
M Sassan-Morokro1, K M De Cock, A Ackah
1Projet RETRO-CI, Abidjan, Côte d'Ivoire.
Insights
Human immunodeficiency virus (HIV) infection is significantly associated with tuberculosis in children in West Africa. This study highlights the urgent need for improved diagnostic methods for pediatric tuberculosis, especially in HIV-positive children.
Area of Science:
- Pediatrics
- Infectious Diseases
- Public Health
Background:
- Tuberculosis (TB) is a major health concern in sub-Saharan Africa.
- The co-occurrence of TB and human immunodeficiency virus (HIV) infection in children requires further investigation.
Purpose of the Study:
- To determine the prevalence of HIV infection in children diagnosed with TB in Abidjan, Côte d'Ivoire.
- To explore the relationship between HIV status and TB clinical presentation in children.
Main Methods:
- Retrospective analysis of 289 children under 15 diagnosed with TB between July 1989 and December 1990.
- HIV seroprevalence testing (HIV-1 and HIV-2) was performed.
- TB classification included sputum smear-positive, extrapulmonary, and clinical TB.
Main Results:
- Overall HIV prevalence in children with TB was 11.8%, with the highest rate (23.4%) in children aged 1-4 years.
- HIV-positivity was significantly associated with clinical TB (18.6% seroprevalence) and symptoms of acquired immune deficiency syndrome (AIDS).
- Pulmonary TB was more common in older, HIV-negative children, while extrapulmonary TB was evenly distributed.
Conclusions:
- HIV infection is strongly associated with TB in children in sub-Saharan Africa.
- Clinical presentation of TB in children varies significantly with HIV status.
- Improved diagnostic tools for pediatric TB are crucial, particularly for identifying TB in HIV-infected children.
Abstract:
Of 5180 consecutive outpatients diagnosed with tuberculosis in Abidjan, Côte d'Ivoire (West Africa), between July 1989 and December 1990, 289 (6%) were children aged less than 15 years. The overall prevalence of human immunodeficiency virus (HIV) 1 and/or HIV-2 infection in children with tuberculosis was 11.8% (HIV-1, 10.0%; HIV-2, 0.7%; reactivity to both viruses, 1%). The highest overall age-specific prevalence was in children aged 1-4 years (23.4%), significantly higher than the rate in attenders at a well child clinic (0.5%) (odds ratio 58.2). Of children with tuberculosis, 26% had sputum smear-positive disease (HIV seroprevalence 2.7%), 20% extrapulmonary disease (HIV seroprevalence 5.2%), and 54% were categorized as having 'clinical tuberculosis' (HIV seroprevalence 18.6%) based on clinical signs and chest X-ray abnormalities with negative sputum smears. Clinical tuberculosis was most frequent in seropositive children, irrespective of age, and in younger seronegative children. Extrapulmonary tuberculosis was equally distributed across age groups, and pulmonary tuberculosis was concentrated in older, seronegative children. HIV-positivity was significantly associated with other features related to the acquired immune deficiency syndrome such as wasting, chronic diarrhoea, oral candidiasis, and negative tuberculin skin tests. Tuberculosis seems to be associated with HIV infection in children in sub-Saharan Africa, but better diagnostic techniques for paediatric tuberculosis are urgently needed.
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