PMID: 8455148Apr 1, 1993Paper

Blood transfusion as a major risk factor for HTLV-I infection among hospitalized children in Gabon (Equatorial Africa)

Journal of Acquired Immune Deficiency Syndromes : JAIDS
E DelaporteP Piot

Abstract

To study the risk factors for HTLV-I infection of African infants living in a high seroprevalence area, a survey was conducted among hospitalized children and their mothers in Franceville, southern Gabon. A total of 610 children (6 months to 14 years old) from 555 families and 434 mothers participated in the study. HTLV-I seroprevalence was 7.1% in the mothers and 2.8% in the children. No increase by age was observed in the children. Significantly more children with sickle cell anemia (11 of 57, or 19.2%) were infected than others (1%) (Fisher's exact test p < 0.001). Of the 13 seropositive infants (C+) whose mothers were tested, six (43%) had a seropositive mother (M+) [p < 0.001, prevalence ratio (PR) 10.12, 95% CI 3.40-30.35, attributable risk (AR) 0.55]. Risk factors for nonmaternally acquired HTLV-I infection were previous blood transfusion (Fisher's exact test p < 0.001, PR 15.74, CI 5.20-47.60, AR 0.71) and hospital admission. In a hospitalized pediatric population in Gabon mother-to-child transmission and blood transfusion (because of sickle cell disease) were equally implicated in HTLV-I infection. Control of HTLV-I infection in children in Africa requires prevention of both vertical and transfusion-associated transmis...Continue Reading

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