Publications

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surveillance of endoparasitic infections and the first report of physaloptera sp. and sarcocystis spp. in farm rodents and shrews in central taiwan.a total of 95 rodents and shrews including 82 rattus norvegicus, 7 rattus rattus, and 6 suncus murinus were trapped from different localities of taichung, taiwan. the overall prevalence of parasites was 93.7%. the infection rates for r. norvegicus, r. rattus, and s. murinus were 93.9%, 85.7%, and 100%, respectively. the rats were infected with four cestodes, taenia taeniaeformis (48.4%), hymenolepis diminuta (38.9%), hymenolepis nana (5.3%), and raillietina celebensis (45.3%); ten nematodes, ang ...200919194075
treatment of angiostrongyliasis.angiostrongyliasis, caused by angiostrongylus cantonensis, is endemic in northeastern thailand and southern and eastern taiwan and is also reported throughout the world. humans get infected by eating raw freshwater snails or other paratenic hosts. the three main clinical forms of angiostrongyliasis are: eosinophilic meningitis (eom), eosinophilic encephalitis (eoe) and ocular angiostrongyliasis. eom, the most common form, causes acute severe headache, and corticosteroid is the cornerstone treatm ...200818501934
epidemiologic studies of eosinophilic meningitis in southern taiwan.a study of the epidemiologic characteristics of 125 cases of eosinophilic meningitis or meningoencephalitis, probably caused by angiostrongylus cantonensis, which occurred in southern taiwan in 1968 and 1969 revealed a close association of the disease with the rainy season. in contrast to findings in other geographic areas, most such cases in this study occurred among children. a higher attack rate was observed among aborigines than among descendants of mainland chinese. most patients had eaten ...19751155688
eosinophilic meningitis in a child raising snails as pets.the rat lungworm (angiostrongylus cantonensis) is the principal cause of eosinophilic meningitis or meningoencephalitis worldwide. it is endemic in taiwan and the asia pacific area. we report the case of a 10-year-old boy who was referred to us suffering from intermittent headache, low-grade fever and blurred vision of 4-5 days' duration. he had been treated for gastroenteritis just prior to referral. the patient's history was unremarkable, except that he raised snail (ampullarium canaliculatus) ...200414739022
current status of human parasitic infections in taiwan.the eradication of the 2 mosquito-borne parasitic diseases, malaria and lymphatic filariasis, is one of the greatest achievements of the parasite control campaigns in taiwan. most of the soil-transmitted nematode infections, with the exception of pinworm infection, are currently well controlled and limited to some aboriginal areas. food-borne parasitic zoonosis such as infections with angiostrongylus cantonensis, clonorchis sinensis, and taenia saginata asiatica are not rare, but the former is s ...200111605804
eosinophilic meningitis caused by angiostrongylus cantonensis: report of 17 cases.to describe two outbreaks of angiostrongylus cantonensis infection that occurred in kaohsiung, taiwan, during 1998 and 1999, and to characterize the source of the outbreaks and the clinical manifestations of the disease.200111498063
[parasitic infections among wild rats from two areas of kaohsiung].wild rats including four strains were captured for examination of parasitic infections. the numbers were 101 from areas of kaohsiung harbor and 98 from areas of kaohsiung airport. most of the examined wild rats were rattus norvegicus and second most were suncus murinus. the infection rates of intestinal helminths in rats of both areas did not display any significant difference. the overall infection rate was 29.6%. the infection rate was highest in r. norvegicus and the most frequently found par ...19968709181
outbreak of eosinophilic meningitis associated with drinking raw vegetable juice in southern taiwan.the most common cause of eosinophilic meningitis is the rat lungworm angiostrongylus cantonensis a parasite that is endemic in the southeast asian and pacific regions. outbreaks of eosinophilic meningitis associated with drinking raw vegetable juice are rarely reported, even in regions of endemic infection. we performed a cohort study among taiwanese with eosinophilic meningitis who drank raw vegetable juice within three months of the onset of the outbreak. clinical manifestations, laboratory ex ...200415306715
eosinophilic meningitis caused by angiostrongylus cantonensis after ingestion of raw frogs.angiostrongylus cantonensis is the most common cause of eosinophilic meningitis in humans after ingestion of raw or inadequately cooked intermediate hosts or food contaminated with infective third-stage larvae. frogs are known to be a paratenic host of a. cantonensis, but have never been reported as the infectious source of human angiostrongyliasis in taiwan. we report the first case of eosinophilic meningitis caused by a. cantonensis after ingestion of raw frogs (rana plancyi).200717297055
aquatic snails as intermediate hosts for angiostrongylus cantonensis on taiwan. 19685689171
a survey of ampullarium canaliculatus for natural infection of angiostrongylus cantonensis in south taiwan.ampullarium canaliculatus were collected monthly from the field in five areas in pintung county and examined for larvae of angiostrongylus cantonensis. snails from one area showed the highest positive rate (30.8%) and the highest number (31) of larvae per snail. snails were placed in four groups according to size. the positive rates in snails increased from 10.0 to 29.4% and the average number of larvae per snail increased from 11 to 40 as the size of snails increased from 1.0 to 4.0 cm height o ...19902231842
angiostrongylus cantonensis infection in achatina fulica from taiwan. 19744479559
phylogenetic relationships of rat lungworm, angiostrongylus cantonensis, isolated from different geographical regions revealed widespread multiple lineages.we conducted a pilot survey of genetic variation of a. cantonensis using small subunit (ssu) ribosomal (r) rna and mitochondrial cytochrome c oxidase subunit i (coxi) gene sequences. two distinct ssu genotypes (g1 and g2) were identified among 17 individual a. cantonensis worms from 17 different geographical localities in japan, mainland china, taiwan, and thailand. the partial coxi sequences were determined for 83 worms from 18 different geographical localities from japan, mainland china, taiwa ...201222387862
study of the endoparasitic fauna of commensal rats and shrews caught in traditional wet markets in taichung city, taiwan.rats live in close proximity to human populations. feral rodents are known to transmit diseases and act as reservoir hosts to many zoonotic parasites that pose health risks to humans. the aim of this study is to investigate endoparasitic infections in commensal rats and shrews caught in traditional wet markets in taichung city, taiwan.201322516746
human parasitic meningitis caused by angiostrongylus cantonensis infection in taiwan.the major cause of eosinophilic meningitis in taiwan is angiostrongylus cantonensis. humans are infected by ingesting terrestrial and freshwater snails and slugs. in 1998 and 1999, two outbreaks of eosinophilic meningitis caused by a. cantonensis infection were reported among 17 adult male immigrant thai laborers who had eaten raw golden apple snails (pomacea canaliculata). another outbreak associated with consuming a health drink consisting of raw vegetable juice was reported in 2001. these adu ...201323901378
angiostrongylus cantonensis in rats on makung, pescadores islands (peng hu). 19761037538
clinical manifestations of eosinophilic meningitis caused by angiostrongylus cantonensis: 18 years' experience in a medical center in southern taiwan.background: with the improvement of public health, eosinophilic meningitis associated with angiostrongylus cantonensis infection is now seldom reported in taiwan. eosinophilic meningitis typically occurred sporadically in children. this study aims to analyze the clinical manifestations and change in the contemporary epidemiology of eosinophilic meningitis in taiwan. methods: this is a retrospective study of patients diagnosed with eosinophilic meningitis at kaohsiung veterans general hospital, f ...201121524976
Brain Magnetic Resonance Imaging Abnormalities in Eosinophilic Meningitis Caused by Angiostrongylus cantonensis Infection.Abstract Angiostrongylus cantonensis is a parasite endemic in the Southeast Asian and Pacific regions. Humans are incidentally infected either by eating uncooked intermediate hosts or by consuming vegetables containing the living third-stage larvae. Reports on brain magnetic resonance imaging (MRI) findings and how they correlate with clinical features are limited in the literature. In this retrospective study, we investigated the brain MR features of eosinophilic meningitis caused by human infe ...201121923262
further studies on the development of angiostrongylus cantonensis in the formosan mongoose. 19705459052
the lung worm angiostrongylus cantonensis of rodents of taiwan (formosa) and the offshore islands. 196414205888
current status of food-borne parasitic zoonoses in taiwan.more than 50 species of zoonotic parasites (nematodes-18 spp., trematodes-19 spp., cestodes-10 spp., protozoa-2 spp., and arthropods-2 spp.) have been reported in taiwan. among them, angiostrongylus cantonensis, clonorchis sinensis and taenia saginata are the most important and most common food-borne parasites. angiostrongyliasis is highly endemic in southern and eastern taiwan. about 80% of patients are children below 15 years of age, mostly infected after eating achatina fulica during may and ...19911822939
phylogeography of angiostrongylus cantonensis (nematoda: angiostrongylidae) in southern china and some surrounding areas.angiostrongylus cantonensis is of increasing public health importance as the main zoonotic pathogen causing eosinophilic meningitis or meningoencephalitis, which has been documented all over the world. however, there are very limited studies about its phylogeography and spread pattern. in the present study, the phylogeography of a. cantonensis in southern china (including taiwan) and partial areas of southeast asia were studied based on the sequences of complete mitochondrial cytochrome b (cytb) ...201728827809
sequence analysis in partial genes of five isolates of angiostrongylus cantonensis from taiwan and biological comparison in infectivity and pathogenicity between two strains.angiostrongylus cantonensis is the most common infectious agent causing eosinophilic meningitis and is present in taiwan, thailand and the pacific islands. clinical symptoms vary within different endemic regions, and their severity is probably dependent on the number of ingested parasites and the diversity among strains. the experimentally definitive host is the rat, and non-permissive hosts are certain mammals such as humans and mice. in this study, the partial gene sequences of two a. cantonen ...201424503290
a survey of angiostrongylus cantonensis, in rodents and snails on pescadores islands (peng-hu). 19724679467
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