An Endemic Human Infection with Heterophyes nocens Onji et Nishio 1916 at Mikkabi-cho, Shizuoka, Japan.

Kino, Hideto; Oishi, Hisaji; Ohno, Yoshio; Ishiguro, Mitsuru

doi:10.2149/tmh1973.30.301

Cited by 13 publications

(3 citation statements)

References 7 publications

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“…In this study, humans showed a prevalence of heteropyhid eggs of 13.3% (Table 2), which is consistent with the 13.5% reported in Egypt (El-Morshidy et al 1994) and 9.6% in Japan (Kingo et al 2002). This prevalence is, however, lower than 42.9% reported in Korea (Chai et al 1994), 33.8% in Egypt (Abou-Basha et al 2000, and 100% in Vietnam (Dung et al 2007), but higher that those recorded in Egypt, 5% ) and 5.1% (Rifaat et al 1980).…”

Section: Discussionsupporting

confidence: 91%

Prevalence of heterophyiosis in Tilapia fish and humans in Northern Egypt

2010

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A total of 100 Tilapia fish samples were collected from brackish water (n = 50) and fresh water (n = 50) resources, Northern Egypt, and examined for heterophyid encysted metacercariae (EMC) during the period from August 2007 to July 2008. The overall prevalence of infection was 32%; 22% for brackish water fish and 42% for fresh water fish. Significant differences in parasite occurrence among body regions were found, with muscles of the tail and caudal third being highly affected (93.4%) followed by middle third (84.3%) and anterior third (75%), while the head region had the lowest infection (21.9%). The prevalence was highest in summer season (46.4%) followed by spring (37.5%) and autumn (27.3%), and was lowest in winter (15.4%). The prevalence of infection decreased as fish size increased. Adult heterophyids, Heterophyes heterophyes, Heterophyes aequalis, Pygidiopsis genata, Haplorchis yokogawai, and Ascocotyle (Phagicola) ascolonga were recovered from EMC-feed puppies. Eggs of heterophyid type were detected in 10 (13.3%) out of 75 human stool specimens from local residents. An association exists between being a female (odd ratio [OR] 1.59 and 95% confidence interval [CI] 0.42-6.04), a fisherman (OR 1.39 [95% CI 0.26-7.48]), a housewife (OR 1.24 [95% CI 0.29-6.28]), 15-45 years old (OR 2.22 [95% CI 0.58-8.53]), or aged 5-14 years (OR 1.29 [95% CI 0.30-5.58]) and heterophyid infection. Measures should be implemented to reduce the risk of transmission of heterophyids to human and fish-eating animals.

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Section: Discussionsupporting

confidence: 91%

Prevalence of heterophyiosis in Tilapia fish and humans in Northern Egypt

2010

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“…In the Republic of Korea, prevalences ranging from 10% to 70% were detected among residents in southwestern coastal areas, including islands [2,189]. In Japan, human H. nocens infections were reported from Kochi, Chiba, Yamaguchi, Chugoku, Hiroshima, and Shizuoka Prefectures [190,191].…”

Section: Haplorchis Vanissimusmentioning

confidence: 99%

Foodborne Intestinal Flukes in Southeast Asia

et al. 2009

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“…In South Korea, residents of southwestern coastal areas and islands showed 10–70% egg-positive rates (Chai et al ., 2004 , 2009 ). In Japan, Kochi, Chiba, Yamaguchi, Chugoku, Hiroshima and Shizuoka Prefectures were the places where human infections were recorded (Kino et al ., 2002 ). Diagnosis is based on the recovery of eggs in fecal examinations, but eggs should be differentiated from those of other heterophyids and small liver flukes.…”

Section: Intestinal Flukesmentioning

confidence: 99%

General overview of the current status of human foodborne trematodiasis

Chai

Jung

2022

Parasitology

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Foodborne trematodes (FBT) of public health significance include liver flukes (Clonorchis sinensis, Opisthorchis viverrini, O. felineus, Fasciola hepatica and F. gigantica), lung flukes (Paragonimus westermani and several other Paragonimus spp.) and intestinal flukes, which include heterophyids (Metagonimus yokogawai, Heterophyes nocens and Haplorchis taichui), echinostomes (Echinostoma revolutum, Isthmiophora hortensis, Echinochasmus japonicus and Artyfechinostomum malayanum) and miscellaneous species, including Fasciolopsis buski and Gymnophalloides seoi. These trematode infections are distributed worldwide but occur most commonly in Asia. The global burden of FBT diseases has been estimated at about 80 million, however, this seems to be a considerable underestimate. Their life cycle involves a molluscan first intermediate host, and a second intermediate host, including freshwater fish, crustaceans, aquatic vegetables and freshwater or brackish water gastropods and bivalves. The mode of human infection is the consumption of the second intermediate host under raw or improperly cooked conditions. The major pathogenesis of C. sinensis and Opisthorchis spp. infection includes inflammation of the bile duct which leads to cholangitis and cholecystitis, and in a substantial number of patients, serious complications, such as liver cirrhosis and cholangiocarcinoma, may develop. In lung fluke infections, cough, bloody sputum and bronchiectasis are the most common clinical manifestations. However, lung flukes often migrate to extrapulmonary sites, including the brain, spinal cord, skin, subcutaneous tissues and abdominal organs. Intestinal flukes can induce inflammation in the intestinal mucosa, and they may at times undergo extraintestinal migration, in particular, in immunocompromised patients. In order to control FBT infections, eating foods after proper cooking is strongly recommended.

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An Endemic Human Infection with Heterophyes nocens Onji et Nishio 1916 at Mikkabi-cho, Shizuoka, Japan.

Cited by 13 publications

References 7 publications

Prevalence of heterophyiosis in Tilapia fish and humans in Northern Egypt

Prevalence of heterophyiosis in Tilapia fish and humans in Northern Egypt

Foodborne Intestinal Flukes in Southeast Asia

General overview of the current status of human foodborne trematodiasis

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