Abstract Platynosomiasis is a hepatopathy caused by Platynosomum illiciens(= P. fastosum) (Trematoda: Dicrocoelidae), which occurs mainly in domestic and wild cats in tropical and subtropical areas. The objective of this study was to verify the occurrence of P. illiciens infection in domestic cats in the city of Araguaína, Tocantins, Brazil, using necropsy and coproparasitological tests. Additionally, we aimed to evaluate the use of two different techniques to diagnose P. illiciens infection in domestic cats and verify whether this parasitism was associated with individual feline characteristics. For this, 54 cats of different ages were analyzed. The percentage of infection was 33.3% (CI = 21.1-47.5%), parasite load was 9-509, mean intensity was 151.7, and mean abundance was 50.5 trematodes per animal. The risk of infection was higher for females than for males (OR = 5.00; P = 0.017). The spontaneous sedimentation coproparasitological test demonstrated the greatest sensitivity and specificity in diagnosing P. illiciens. This study is the first to report the occurrence of P. illiciens in cats in the state of Tocantins, northern Brazil.
Abstract Platynosomiasis is a hepatopathy caused by Platynosomum illiciens(= P. fastosum) (Trematoda: Dicrocoelidae), which occurs mainly in domestic and wild cats in tropical and subtropical areas. The objective of this study was to verify the occurrence of P. illiciens infection in domestic cats in the city of Araguaína, Tocantins, Brazil, using necropsy and coproparasitological tests. Additionally, we aimed to evaluate the use of two different techniques to diagnose P. illiciens infection in domestic cats and verify whether this parasitism was associated with individual feline characteristics. For this, 54 cats of different ages were analyzed. The percentage of infection was 33.3% (CI = 21.1-47.5%), parasite load was 9-509, mean intensity was 151.7, and mean abundance was 50.5 trematodes per animal. The risk of infection was higher for females than for males (OR = 5.00; P = 0.017). The spontaneous sedimentation coproparasitological test demonstrated the greatest sensitivity and specificity in diagnosing P. illiciens. This study is the first to report the occurrence of P. illiciens in cats in the state of Tocantins, northern Brazil.
O gato domestico e acometido por parasitos gastrintestinais de importância na clinica medica veterinaria e para a saude publica. Desta forma e relevante o conhecimento da fauna parasitaria destes animais nas diferentes regioes, considerando que caracteristicas ambientais podem favorecer uma maior prevalencia de determinadas parasitoses. Como nao havia estudos sobre a fauna parasitaria de gatos domesticos do estado do Tocantins, o objetivo deste estudo foi determinar o percentual de infeccao, diversidade e intensidade de parasitismo por parasitos gastrintestinais em gatos domesticos recolhidos pelo Centro de Controle de Zoonoses de Araguaina, Tocantins, bem como avaliar o uso de diferentes tecnicas no diagnostico das parasitoses gastrintestinais e investigar possiveis fatores associados a infeccao. O estudo foi realizado atraves da necropsia de 54 gatos de diferentes idades, machos e femeas e da realizacao das tecnicas coproparasitologicas de sedimentacao de Hoffman, Pons e Janer e flutuacao de Sheather. Nas necropsias foram encontrados os nematodeos Physaloptera praeputialis parasitando o estomago e Ancylostoma spp. parasitando o intestino delgado. Os valores de percentual de infeccao (PI), intensidade media (IM) e abundância media (AM) observados foram 22,2%, 9,7 e 2,1 e 81,5%, 66,3 e 54, respectivamente para P. praeputialis e Ancylostoma spp. O trematodeo Platynosomum fastosum foi encontrado parasitando os ductos biliares, com PI 33,3%, IM 151,7 e AM 50,5. Nos exames coproparasitologicos de 53 animais, foram identificados ovos de Ancylostoma spp. (77,4%), P. fastosum (30,2%) e Toxocara spp. (7,5%), capsulas ovigeras de Dipylidium caninum (13,2%) e oocistos de Cystoisospora spp. (15,1%). Para o diagnostico de cestodeos e trematodeos o metodo de exame coproparasitologico que demonstrou maior sensibilidade e especificidade foi o de sedimentacao de Hoffman, Pons e Janer, 44,4% e 91,4, respectivamente. No diagnostico de nematodeos o metodo de exame que apresentou maior sensibilidade, 68,2%, foi o de Hoffman, Pons e Janer e maior especificidade, 66,7%, foi o de flutuacao de Sheather. Neste estudo, nao foi encontrada associacao entre as caracteristicas individuais dos animais e infeccao por helmintos gastrointestinais. Os resultados demonstram que os gatos domesticos do municipio de Araguaina, Tocantins sao infectados por parasitos gastrintestinais, com predominância do genero Ancylostoma spp., helminto causador da sindrome conhecida como larva migrans cutânea em seres humanos e este estudo faz o primeiro relato de infeccao por P. fastosum em gatos domesticos da regiao norte do estado do Tocantins.
Platynosomiasis is a hepatopathy caused by Platynosomum illiciens(= P. fastosum) (Trematoda: Dicrocoelidae), which occurs mainly in domestic and wild cats in tropical and subtropical areas. The objective of this study was to verify the occurrence of P. illiciens infection in domestic cats in the city of Araguaína, Tocantins, Brazil, using necropsy and coproparasitological tests. Additionally, we aimed to evaluate the use of two different techniques to diagnose P. illiciens infection in domestic cats and verify whether this parasitism was associated with individual feline characteristics. For this, 54 cats of different ages were analyzed. The percentage of infection was 33.3% (CI = 21.1-47.5%), parasite load was 9-509, mean intensity was 151.7, and mean abundance was 50.5 trematodes per animal. The risk of infection was higher for females than for males (OR = 5.00; P = 0.017). The spontaneous sedimentation coproparasitological test demonstrated the greatest sensitivity and specificity in diagnosing P. illiciens. This study is the first to report the occurrence of P. illiciens in cats in the state of Tocantins, northern Brazil.
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