Abstract
BackgroundHydatidosis is a zoonotic disease and has a great general and economic health importance in both developed and developing countries. Therefore, this systematic and meta-analytic study was conducted to determine the prevalence of cystic echinococcosis in slaughtered livestock in Iran.MethodsThe present study was conducted as a systematic review and meta-analysis. The SID & Magiran, MEDLINE (PubMed), ScienceDirect, Scopus, and Google Scholar databases were searched with a view to selecting relevant research works. As a result, 31 articles published from April 1970 to April 2020 were selected. The heterogeneity of the studies was assessed using the I2 index. Data analysis was conducted within the Comprehensive Meta-Analysis software (CMA) v.3.0 (Biostat, Englewood, NJ, USA) and Arc map (ArcGIS 10.3) software.ResultsThe heterogeneity of the studies was evaluated using the I2 test which value was 99% showing a high heterogeneity in the studies. The results of publication bias in studies were evaluated by the Egger test, which were not statistically significant (P = 0.144). The overall prevalence of cystic echinococcosis in slaughtered livestock in Iran is 13.9% (95%CI: 10.7–17.7%). The results of the meta-regression analysis indicate the increasing trend of the hydatid cyst prevalence with the increase of sample size and publication year (P < 0.05).ConclusionAccording to the results of this study and the relatively high prevalence of cystic echinococcosis in slaughtered livestock in Iran, health policy makers should make effective decisions in this regard, and implement careful inspections and interventions by experts and health authorities.
Highlights
Hydatidosis is a zoonotic disease and has a great general and economic health importance in both developed and developing countries
Livestock are infected by eating these eggs through water, food, and vegetables, after which the hydatid cysts form in their bodies [3]
Search output In the present study, all studies performed on the prevalence of cystic echinococcosis among slaughtered livestock in Iran were examined systematically based on the PRISMA guidelines
Summary
Hydatidosis is a zoonotic disease and has a great general and economic health importance in both developed and developing countries. This systematic and meta-analytic study was conducted to determine the prevalence of cystic echinococcosis in slaughtered livestock in Iran. The infection of carnivores with the mature stage of the worm does not cause a particular problem, Vaisi-Raygani et al BMC Infectious Diseases (2021) 21:429 the establishment of larvae (cyst) in various organs, especially the liver and lungs, and sometimes brain, heart and spinal cord of the intermediate host, like humans, cause hydatidosis, rupture of a cyst results in trauma and physical internal injury, and can cause more severe complications [3]. Given the considerable economic losses due to hydatidosis in the public health and livestock sector, this emerging and re-emerging disease is considered as one of the major health and economic concerns [8]
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