Pacific Broad Tapeworm<i>Adenocephalus pacificus</i>as a Causative Agent of Globally Reemerging Diphyllobothriosis

Kuchta, Roman; Serrano‐Martínez, Enrique; Scholz, Tomáš

doi:10.3201/eid2110.150516

Cited by 47 publications

(54 citation statements)

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“…An even more important concern is the high number of records of unidentified diphyllobothrid plerocercoids in teleosts (see the Parasite-Host list), because these metacestodes can infect humans who consume raw or undercooked fish and may cause a disease known as diphyllobothriosis (Scholz et al 2009; Kuchta et al 2015). Larval trypanorhynchs are the only exception, because they may be precisely identified based on their tentacular armature (Palm 2004; Caira and Jensen 2014).…”

Section: Resultsmentioning

confidence: 99%

Annotated checklist of fish cestodes from South America

Alves¹,

Chambrier²,

Scholz³

et al. 2017

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An exhaustive literature search supplemented by a critical examination of records made it possible to present an annotated checklist of tapeworms (Cestoda) that, as adults or larvae (metacestodes), parasitize freshwater, brackish water and marine fishes, i.e. cartilaginous and bony fishes, in South America. The current knowledge of their species diversity, host associations and geographical distribution is reviewed. Taxonomic problems are discussed based on a critical evaluation of the literature and information on DNA sequences of individual taxa is provided to facilitate future taxonomic and phylogenetic studies. As expected, the current knowledge is quite uneven regarding the number of taxa and host-associations reported from the principal river basins and marine ecoregions. These differences may not only reflect the actual cestode richness but may also be due to the research effort that has been devoted to unravelling the diversity of these endoparasitic helminths in individual countries. A total of 297 valid species, 61 taxa identified to the generic level, in addition to unidentified cestodes, were recorded from 401 species of fish hosts. Among the recognized cestode orders, 13 have been recorded in South America, with the Onchoproteocephalidea displaying the highest species richness, representing c. 50% of all species diversity. The majority of records include teleost fish hosts (79%) that harbour larval and adult stages of cestodes, whereas stingrays (Myliobatiformes) exhibit the highest proportion of records (39%) among the elasmobranch hosts. Fish cestodes are ubiquitous in South America, being mostly recorded from the Warm Temperate Southeastern Pacific (WTSP; 31%) for marine hosts and the Amazon River basin (45%) for freshwater ones. The following problems were detected during the compilation of literary data: (i) unreliability of many records; (ii) poor taxonomic resolution, i.e. identification made only to the genus or even family level; (iii) doubtful host identification; Alves et al. / ZooKeys 650: 1-205 (2017) 2 and (iv) the absence of voucher specimens that would enable us to verify identification. It is thus strongly recommended to always deposit representative specimens in any type of studies, including faunal surveys and ecological studies. An analysis of the proportion of three basic types of studies, i.e. surveys, taxonomic and ecological papers, has shown a considerable increase of ecological studies over the last decade.

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Section: Resultsmentioning

confidence: 99%

Annotated checklist of fish cestodes from South America

Alves¹,

Chambrier²,

Scholz³

et al. 2017

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“…Nas Américas há registros da doença nos Estados Unidos, Alasca, Canadá, Chile, Argentina, Peru, e mais recentemente no Brasil. Na América do Sul destaca-se a chamada "grande tênia do pacífico", Adenocephalus pacificus que chega a medir 10 m, sendo endêmica no Equador, Chile e Peru (Kuchta et al, 2015).…”

Section: Epidemiologiaunclassified

Difilobotríase no Brasil: uma análise com foco na saúde ambiental

Brígida¹

2018

Rev. Bras. Gest. Amb. Sustent.

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As demandas e problemas de saúde relacionados com o meio ambiente aumentaram no Brasil nas últimas décadas. Na primeira década do século XXI, essas demandas levaram a construção da Política Nacional de Saúde Ambiental. O campo da saúde ambiental compreende práticas intersetoriais e transdisciplinares nas situações em que a relação entre saúde humana, degradação e contaminação ambiental são evidentes. Assim, a Vigilância em Saúde Ambiental constitui um aspecto fundamental para a consolidação dessa política. O presente trabalho é uma revisão de literatura sobre a difilobotríase, uma zoonose pouco conhecida no Brasil e visa a discutir a importância da saúde ambiental, desenvolvida a partir dos determinantes sociais da saúde e a promoção da saúde através da educação, a fim de reduzir os riscos de contrair essa zoonose e assim contribuir para a sustentabilidade ambiental.

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“…Although our patient only consumed raw locally caught marine fish, thus acquiring a patent infection after accidental ingestion of plerocercoids, the fish species concerned have yet to be confirmed as suitable intermediate hosts of A. pacificus tapeworms ( 1 ). These findings, and reports spanning >90 years, suggest that A. pacificus tapeworms are endemic in piscivorous mammals off the Australian coast, and more human cases can be expected as pressure on marine fish stocks and consumption of uncooked fish increase.…”

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confidence: 96%

mentioning

confidence: 99%

“…Diphyllobothrium pacificum ) is a reemerging, global parasitic disease ( 1 ). Infection with the adult tapeworm occurs widely in piscivorous mammals, including humans, with various species of marine fish acting as intermediate hosts ( 1 , 2 ). In the Southern Hemisphere, the organism is well described in the coastal waters of South America, southern Africa, and Oceania ( 2 ).…”

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