Lingual palpation for porcine cysticercosis: a rapid epidemiological tool for estimating prevalence and community risk in Africa

被引:9
|
作者
Guyatt, Helen L. [1 ]
Fevre, Eric M. [2 ,3 ]
机构
[1] Kimetr Ltd, Eldama Pk,Eldama Ravine Rd, Nairobi, Kenya
[2] Univ Liverpool, Inst Infect & Global Hlth, Neston, England
[3] Int Livestock Res Inst, Nairobi, Kenya
基金
英国生物技术与生命科学研究理事会; 英国惠康基金; 英国自然环境研究理事会; 英国医学研究理事会;
关键词
Taenia solium; Cysticercosis; seroprevalence; tongue cyst prevalence; Epidemiology; control; surveillance; Africa; TAENIA-SOLIUM CYSTICERCOSIS; PIGS; SOUTHERN; EASTERN; REGION; PROVINCES; DIAGNOSIS; HELMINTHS; SWINE;
D O I
10.1111/tmi.12760
中图分类号
R1 [预防医学、卫生学];
学科分类号
1004 ; 120402 ;
摘要
OBJECTIVE To assess the association between the prevalence of tongue cyst-positive and antigen-positive pigs across different settings in Africa, to evaluate whether examining pigs for cysts could be used as a rapid surveillance tool for identifying geographical areas with a higher probability of high transmission of cysticercosis. METHODS Published data were collated from 26 study sites across Africa that reported the prevalence of porcine cysticercosis by both lingual and serological examinations. The study sites were located in 10 countries across Africa. RESULTS Seroprevalence rates ranged from 4% to 41%. Despite the varied study sites, the relationship between the two variables was highly consistent and suggests identification of tongue cysts may be useful for cysticercosis surveillance. We found that all areas with more than 10% of pigs having cysts in their tongues had at least 30% seroprevalence (PPV of 100%), although this cutoff is less reliable at predicting that an area is of low transmission (NPV of 84%). CONCLUSION Assessing the prevalence of tongue cyst-positive pigs is a potential rapid epidemiological tool for identifying areas at high risk of cysticercosis, although further refinement and validation is required using standardised data sets.
引用
收藏
页码:1319 / 1323
页数:5
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