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KMID : 1161220230660070307
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Clinical and Experimental Pediatrics
2023 Volume.66 No. 7 p.307 ~ p.316
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Seroprevalence of maternal peripartum human T-cell lymphotropic virus type-1 infection: a systematic review and meta-analysis of the Nigerian literature
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Abdulrasheed Usman
Muhammad Hamis Musa
Bukhari Isah Shuaib
Olayemi Balogun
Mukhtar Adeiza
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Abstract
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Background: The peripartum period is both a highly vulnerable stage and a significant indicator of a population’s health status. Interest is increasing in human T-cell lymphotropic virus type-1 (HTLV-1) transmission due to its adverse health impacts. However, nationally representative data on HTLV-1 that are important for health planning are unavailable for this subpopulation.
Purpose: This study aimed to conduct a pooled estimate of HTLV-1 prevalence among pregnant women in Nigeria to quantify its clinical burden and public health implications.
Methods: This systematic review was conducted in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analysis 2020 statement.
Results: After a systematic review of the Nigerian literature, 12 studies (2,821 pregnant or postnatal women) were included in the final evidence synthesis. The estimated HTLV-1 prevalence in Nigerian peripartum women following a positive screening test by enzyme-linked immunosorbent assay was 5.44% (95% confidence interval [CI], 3.16%?9.20%). A subgroup analysis of the 2 major regions showed a slightly higher prevalence in the Western versus Southern region (5.55% [95% CI, 2.49%?11.87%]; and 4.91% [95% CI, 2.11%?11.02%]; P=0.84). However, a subgroup analysis by geopolitical zone revealed that Southwestern and Northwestern Nigeria had the highest prevalence (9.23% [95% CI, 4.35%?18.55%; I2=93%] and 7.15% [95% CI, 1.54%?27.54%]; I2=92%). Our decade-old subgroup analysis found inconsistencies in the HTLV-1 prevalence. Furthermore, our literature review revealed a prevalence of HTLV infection among patients with various clinical types of lymphomas/leukemias and myelopathy of 2%?22%.
Conclusion: These findings have important implications in defining the epidemiological patterns of HTLV-1 infection in Nigeria. They also suggest the presence of HTLV-endemic clusters near low-endemic areas, even within the same geopolitical zones.
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KEYWORD
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Human T-lymphotropic virus, Viral load, Lymphoproliferative disorders, Adult T-cell leukemia-lymphoma, Tropical spastic paraparesis
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