paragonimus westermani
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2021 ◽  
Author(s):  
Jinming Zhang ◽  
Jing Xu ◽  
Weiliang Tang ◽  
Dabao Shang ◽  
Jie Lu ◽  
...  

Abstract BackgroundParasitic infections represent a worldwide public health issue in many developing countries. Few epidemiological studies regarding parasitic infections and the evolution of infection spectrum in China have been reported up to date. It is necessary to investigate the epidemiological feature of parasitic infection during recent years.MethodsThree hundred and thirty-six cases of parasitic infections were retrospectively enrolled and analyzed. Electronic medical records of the enrolled parasitic patients from January 1, 2010 to May 31, 2021 were retrieved from the Electronic Medical Record System of a tertiary hospital in China. Demographic characteristics and data of laboratory tests were exported in Excel and analysis were performed using Graphpad Prism 5.ResultsOverall, seventeen species of parasites were detected in 336 admissions with a total number of infected individuals reached the peak in 2018. Moreover, the regions of patients distributed mainly included: Shanghai (40.48%), Zhejiang (18.45%), Anhui (6.85%), Jiangsu (6.25%) and Jiangxi (4.76%). Two hundred and eighty-eight cases were diagnosed with single species of parasitic infection and 47 cases were found mixed species infection. Foodborne parasites (FBPs) were the primary species of parasites and the top 4 were clonorchis sinensis (24.70%), sparganum mansoni (16.07%), paragonimus westermani (20.83%) and cysticercus (17.86%). Obvious eosinophil elevation was found in 56.54% enrolled patients. Patients with periods of infection before the time of diagnosis lasted longer than 6 months includes four parasites: sparganum mansoni (28.30%, 15/53), paragonimus westermani (38.57%, 27/70), cysticercus (25.00%, 15/60).ConclusionsOur study demonstrated the prevalence of parasitic infection over the latest 12 years in a single center of China. The trend of parasitic infection rate reached the peak in 2018 with the dominating parasitic species changed from soil origin to foodborne. Furthermore, with the emergence of various dietary habits and the development of living conditions, unclean diets especially eating raw meat had become the main route of transmission for parasites, which alarmed that food safety education for public should be strengthened and enlarged. Although eosinophil elevation and IgE is reliable indicators for initiating screening of parasitic infection but enough for diagnosis, novel diagnostic kits for parasites should be devepoled.


2021 ◽  
Vol 188 ◽  
pp. 44-51
Author(s):  
Uda Z. Izzati ◽  
Yasuyuki Kaneko ◽  
Chiho Kaneko ◽  
Ayako Yoshida ◽  
Mathurot Suwanruengsri ◽  
...  

2021 ◽  
Vol 15 (1) ◽  
pp. 42-49
Author(s):  
Yu. A. Belov ◽  
A. N. Voronova ◽  
E. N. Lyubchenko ◽  
T. V. Tabakaeva ◽  
I. P. Korotkova ◽  
...  

Paragonimosis is a severe parasitic disease, which causative agent (on the territory of Russia, trematode Paragonimus westermani ichunensis Chung, Hsu et Kao, 1978) circulates in the south of the Far East. Two forms of paragonimosis are known: pulmonary and muscular (larval) with clinical manifestations like diseases of a different etiology, mimicking the symptoms of malignant tumors, and in cases of late diagnosis and improper treatment, leading to death. Long-term studies of the ecology and biology of the parasite, as well as monitoring the incidence among residents of the southern Far East of Russia made it possible to analyze the situation with paragonimosis in the designated region. Based on the available data, until the mid-1990s, natural sites of disease were found almost everywhere in the river basins inhabited by mollusks of the genus Parajuga and crayfish of the genus Cambaroides as parasite intermediate hosts. During this period, according to official information, the population invasion rate reached 6%. Then, as a result of the mass extinction of freshwater crayfish, the population of P. westermani ichunensis was on the brink of survival, and from that moment on, the number of diagnosed cases of paragonimosis in the inhabitants of the region began to decline, down to zero in recent years. Currently, the population of crayfish Cambaroides is reviving and a case of P. westermani ichunensis infestation of a tiger cub has been recorded, which indicates the population restoration of the parasite itself. This indicates the functioning resumption of the Paragonimus sp. infection centers in the south of the Russian Far East. It is necessary to be prepared for the possibility of an exponential growth in the number of infected animals with such a developmentтof events. Due to the complexity of the disease diagnosing and the lack of certain knowledge about the parasite biology among the majority of medical workers, it is necessary to be ready to low detection rate among the region population.


Author(s):  
Vachel Gay Paller ◽  
Jasmin Ayyah Samudio ◽  
Kim Louisse Patagnan ◽  
Lyle Santamaria ◽  
Alco Kenneth Tolentino ◽  
...  

2020 ◽  
pp. 102279
Author(s):  
Yoshifumi Nakagawa ◽  
Yuki Ikematsu ◽  
Takayuki Nakanishi ◽  
Yuji Ogawa ◽  
Ryuichi Taen ◽  
...  

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