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Human African trypanosomiasis in endemic focus of Abraka,Nigeria

Asian Pacific Journal of Tropical Medicine 2010年第6期3卷 448-450页

作者： Onyebiguwa Patrick Goddey Nmorsi Clement Isaac Igho Benjamin Igbinosa Duncan Ogheneocovo Umukoro dafe palmer aitaikuru Tropical Disease Research Unit Department of ZoologyAmbrose Alli UniversityEkpomaNigeria Family Medicine Department Delta State UniversityAbraka Department of Science Laboratory Technology Delta State PolytechnicOtefeOghara

Objective:To investigated the prevalence of human African trypanosomiasis(HAT),a neglected tropical disease caused by Trypanosoma brucei gambiens in an endemic focus of Nigeria,as it relates to age,sex and occupational ***:A total of 474 human subjects were screened using card agglutination test for trypanosomiasis *** samples were further investigated for parasite positivity in blood/serum and cerebrospinal fluid(CSF).Results:Of the 474 screened,44(9.3%) were seropositive with seroprevalence of 22(9.6%) in Urhouka,14(9.5%) in Umeghe and 8(7.9%) for *** number of seropositives,observed for weakly,moderately and strongly positives for the three communities were 4,7 and 11 in Urhouka,4,5 and 5 in Umeghe and 3,2 and 3 in Ugonu *** the 16 volunteers with detected parasite in their blood,4 of them were weakly positive,5 of them were moderately positive and 7 of them strongly positive.4 volunteers from Urhouka community were found parasites in their CSF and they were all strongly *** difference between the seroprevalence of males and females was not statistically significant(OR=1.14,95%CI=0.37-3.4,P>0.05).The prevalence difference between age group 21-30 years old and the youngest and oldest age groups was statistically significant(OR=3.5,95%CI= 1.08-12.57,P0.05),It was observed that farmers had significantly higher prevalence of HAT infection as well as greater risk of Trypanosoma brucei gambiense infection than inhabitants with other occupations (OR=3.25,95%CI=0.99-11.79,P<0.05).Conclusions:Human activities such as farming and visits to the river have been identified as major risk factors to *** the breakdown of HAT control program has been advanced for the rise in HAT in Abraka,an endemic focus in Nigeria.

关键词： Human African trypanosomiasis Trypanosoma brucei gambiense Seropositivity Risk factors Nigeria

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