Situation on Larval Helminthosis in the South of Russia and Optimization of Epidemiological Surveillance for Them

Твердохлебова, Т И; Думбадзе, О С; Ermakova, L.; Ковалев, Е. В.; Aleshukina, A.; Nagorny, Sergey Andreevich; Болатчиев, К Х; Hutoryanina, I. V.

doi:10.36233/0372-9311-2018-6-72-80

Cited by 2 publications

(1 citation statement)

References 3 publications

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“…Социально-экономическая значимость эхинококкоза обусловлена развитием необратимых осложнений, которые приводят к длительной утрате трудоспособности, инвалидизации и летальности, значительным числом резидуальных и рецидивных форм, требующих оказания высокотехнологичной хирургической помощи, в том числе при редких локализациях (эхинококкоз сердца, головного и спинного мозга и т.д.) [3]. При заболевании животных эхинококкозом источником инвазии являются как дефинитивные, или окончательные (собаки, волки, лисицы и др.…”

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Analysis of Records of the Epidemiological Screening of Cases of Echinococcosis in Some Constituent Entities of the Russian Federation

Dimidova¹,

Khutoryanina²,

Chernikova³

et al. 2021

Theory and Practice of Parasitic Disease Control

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We analyzed data reflected in the records of the epidemiological screening of cases with echinococcosis in 2019 in some constituent entities of the Russian Federation. It was noted that both rural people and urban residents suffered from the disease equally, while women suffered a little more than men (54.4%). It is found that the most common localization of echinococcal cysts, both in men and women, is the liver (79.5%), and the lesion of the lungs caused by echinococcal cysts (9.1) is in the second place. We presented multiple localization of echinococcal cysts affecting several organs simultaneously to a lesser extent. Two cases of hydatidosis and two cases of multilocular hydatid cyst in the liver were accompanied by a fatal outcome. In some territories, alveococcosis was diagnosed in 14 (8.75%) cases. Contacts with dogs, work on livestock farms, caring for pets, picking wild berries or mushrooms in the forest and eating them without thermal treatment, use of raw river water in housekeeping, eating unwashed vegetables and berries, activities in natural environment, hunting and dressing of wild animals, or failure to observe the rules of personal hygiene have great importance in the spread of this disease among the population, according to epidemiological records.

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Section: Introductionunclassified

Analysis of Records of the Epidemiological Screening of Cases of Echinococcosis in Some Constituent Entities of the Russian Federation

Dimidova¹,

Khutoryanina²,

Chernikova³

et al. 2021

Theory and Practice of Parasitic Disease Control

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Distribution of dirofilariasis in Omsk region

Ryazanova

Sverdlova

Starostina

et al. 2022

Acta biomedica scientifica

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Background. Recently, in the Russian Federation, there has been a tendency to an increase in the number of registered cases of dirofilariasis among residents living in a temperate climate zone, including in Western Siberia. The species Dirofilaria repens and Dirofilaria immitis are of clinical importance for humans. Dirofilariae are characterized by migration into the subcutaneous tissue, mucous membranes, organs of vision, internal organs. In the Omsk region, there is an increase in cases of dirofilariasis, including among children.The aim. To assess endemicity of the territory of the Omsk region in relation to pathogens of dirofilariasis.Materials and methods. The maps of the epidemiological survey of persons infected with dirofilariae for the period 2013–2020 were analyzed, parasitological and molecular biological methods examined 1155 blood samples of dogs, 2488 samples female blood-sucking mosquitoes, 26 samples of dirofilaria helminths removed from residents of the Omsk region.Results. In 18 people, the infection was regarded as local, since the infected persons had not left the Omsk region for the previous three years. Local infections are reported annually. Infection of the final owners – dogs – with dirofilaria ranges from 0.6 to 4.8 % in different years. On average, the extensiveness of the invasion was 3.0 ± 0.6 %; and the intensity of microfilaremia was 1277.68 ± 395.87 specimens/ml of blood. On the territory of Omsk and the Omsk region, 11 species of mosquitoes belonging to the genus Aedes, Ochlerotatus, Culex, Anopheles, Coquillettidia were identified. The estimated individual infection of mosquitoes of different species ranged from 0.6 % (O. flavescens) to 9.8 % (An. messeae). The total infection of vectors was 3.4 %. All positive samples were found to contain DNA of D. repens.Conclusion. The territory of the Omsk region is endemic for pathogens of dirofilariasis, in particular, D. repens. Further studies are needed to study the prevalence and species diversity of pathogens of dirofilariasis in Western Siberia, to identify the most dangerous from an epidemiological point of view, species of vectors.

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Situation on Larval Helminthosis in the South of Russia and Optimization of Epidemiological Surveillance for Them

Cited by 2 publications

References 3 publications

Analysis of Records of the Epidemiological Screening of Cases of Echinococcosis in Some Constituent Entities of the Russian Federation

Analysis of Records of the Epidemiological Screening of Cases of Echinococcosis in Some Constituent Entities of the Russian Federation

Distribution of dirofilariasis in Omsk region

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