23 research outputs found

    Hipospadia em dois gatos : relato de caso

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    Hypospadias is an uncommon sexual development disorder in cats, in which the urethral opening is not in its anatomical location on the penis. The purpose of this report is to describe two cases of hypospadias in the feline species. The first cat was asymptomatic, had a history of bacterial cystitis, and was diagnosed with perineal hypospadias at an appointment for preoperative evaluation of orchiectomy. The second cat had clinical signs of dysuria and pollakiuria for 30 days and had glandular hypospadias. Both cats showed abnormalities in the urinalysis which were suggestive of lower urinary tract disease. For both cases, clinical treatment with antibiotic therapy was performed. In the first patient, surgical treatment consisted of orchiectomy, while in the second animal a perineal urethrostomy and orchiectomy were performed. The cats had a satisfactory recovery after the treatments. Performing a thorough physical examination is essential to diagnose cases of hypospadias and choose the best treatment for each patient.A hipospadia é uma desordem do desenvolvimento sexual pouco comum nos gatos, na qual a abertura uretral não está em sua localização anatômica do pênis. O objetivo do presente relato é descrever dois casos de hipospadia em felinos domésticos. O primeiro gato era assintomático, tinha histórico de cistite bacteriana prévio, e foi diagnosticado com hipospadia perineal em uma consulta para avaliação pré-cirúrgica de orquiectomia. O segundo gato apresentava sinais clínicos de disúria e polaquiúria há 30 dias e apresentava hipospadia glandular. A partir dos exames complementares, pôde-se observar que os animais, além do defeito anatômico, apresentavam alterações sugestivas de doença do trato urinário inferior. Para ambos os casos, foi realizado o tratamento clínico inicial com antibioticoterapia. No primeiro paciente, optou-se pelo procedimento de orquiectomia, enquanto no segundo animal foram realizadas as técnicas de uretrostomia perineal e orquiectomia. Os gatos mostraram recuperação satisfatória após os tratamentos instituídos. Dessa forma, pode-se observar a importância de se realizar um exame físico minucioso a fim de diagnosticar os casos de hipospadia e escolher o tratamento correto para cada paciente

    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear un derstanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5–7 vast areas of the tropics remain understudied.8–11 In the American tropics, Amazonia stands out as the world’s most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepre sented in biodiversity databases.13–15 To worsen this situation, human-induced modifications16,17 may elim inate pieces of the Amazon’s biodiversity puzzle before we can use them to understand how ecological com munities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple or ganism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region’s vulnerability to environmental change. 15%–18% of the most ne glected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lostinfo:eu-repo/semantics/publishedVersio

    Pervasive gaps in Amazonian ecological research

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    Pervasive gaps in Amazonian ecological research

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    Biodiversity loss is one of the main challenges of our time,1,2 and attempts to address it require a clear understanding of how ecological communities respond to environmental change across time and space.3,4 While the increasing availability of global databases on ecological communities has advanced our knowledge of biodiversity sensitivity to environmental changes,5,6,7 vast areas of the tropics remain understudied.8,9,10,11 In the American tropics, Amazonia stands out as the world's most diverse rainforest and the primary source of Neotropical biodiversity,12 but it remains among the least known forests in America and is often underrepresented in biodiversity databases.13,14,15 To worsen this situation, human-induced modifications16,17 may eliminate pieces of the Amazon's biodiversity puzzle before we can use them to understand how ecological communities are responding. To increase generalization and applicability of biodiversity knowledge,18,19 it is thus crucial to reduce biases in ecological research, particularly in regions projected to face the most pronounced environmental changes. We integrate ecological community metadata of 7,694 sampling sites for multiple organism groups in a machine learning model framework to map the research probability across the Brazilian Amazonia, while identifying the region's vulnerability to environmental change. 15%–18% of the most neglected areas in ecological research are expected to experience severe climate or land use changes by 2050. This means that unless we take immediate action, we will not be able to establish their current status, much less monitor how it is changing and what is being lost

    Osteossíntese minimamente invasiva com placa em cães e gatos

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    Os atendimentos de animais com afeções e lesões ortopédicas em medicina veterinária têm aumentado significativamente. Atualmente, os animais domésticos passam por um processo denominado “humanização”, no qual são tratados por seus proprietários como se fosse membro da família, o que tem valorizado as técnicas cirúrgicas em geral. Outro fator que tem colaborado com o aumento da casuística cirúrgica é a preocupação da sociedade com o bem estar animal, pois cada vez mais as pessoas se preocupam em propiciar condições adequadas para a recuperação dos mesmos. Técnicas que visam menores lesões teciduais são a atual demanda da sociedade. A osteossíntese é um procedimento que pode ser realizado por diversos métodos, os quais podem ser pouco ou muito invasivos. As técnicas utilizadas em medicina veterinária tem se espelhado nas técnicas em humanos e estão cada vez mais aperfeiçoadas, e para isso o total conhecimento da manobra cirúrgica a ser utilizada é de suma importância. Estratégias biológicas para reparo de fraturas têm sido desenvolvidas para provocar menores lesões teciduais. Nesse contexto, a osteossíntese minimamente invasiva com placa surge como técnica de fixação de fraturas que busca menores danos aos tecidos moles, além de proporcionar a diminuição do tempo cirúrgico, a menor contaminação trans e pós-operatória e retorno precoce da função do membro.The number of animals suffering of orthopaedics injuries or conditions receiving veterinary care have increased significantly. Nowadays, many domestic animals are being treated like family members, this phenomenon is called “humanization”, and has improved the surgical techniques in general. Another factor that has contributed to the increase of surgical cases is the society’s concern about animal welfare, as more people became willing to provide adequate conditions for animals recovery. Techniques that aim to lower tissue injuries can match the current society’s demands. Osteosynthesis is a procedure that can be accomplished by several methods, which may be little or too invasive. The techniques used in veterinary medicine were adapted from human medicine techniques, and are becoming more refined. Knowledge of the surgical maneuver to be used is extremely important. Biological strategies for fractures repair have been developed to cause less tissue damage. In this context, the minimally invasive osteosynthesis with plate fixation technique appears to cause less damage to soft tissues, provides reduction in surgical time, decreases contamination during and after surgery and also provides early recovery of limb function

    Osteossíntese minimamente invasiva com placa em cães e gatos

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    Os atendimentos de animais com afeções e lesões ortopédicas em medicina veterinária têm aumentado significativamente. Atualmente, os animais domésticos passam por um processo denominado “humanização”, no qual são tratados por seus proprietários como se fosse membro da família, o que tem valorizado as técnicas cirúrgicas em geral. Outro fator que tem colaborado com o aumento da casuística cirúrgica é a preocupação da sociedade com o bem estar animal, pois cada vez mais as pessoas se preocupam em propiciar condições adequadas para a recuperação dos mesmos. Técnicas que visam menores lesões teciduais são a atual demanda da sociedade. A osteossíntese é um procedimento que pode ser realizado por diversos métodos, os quais podem ser pouco ou muito invasivos. As técnicas utilizadas em medicina veterinária tem se espelhado nas técnicas em humanos e estão cada vez mais aperfeiçoadas, e para isso o total conhecimento da manobra cirúrgica a ser utilizada é de suma importância. Estratégias biológicas para reparo de fraturas têm sido desenvolvidas para provocar menores lesões teciduais. Nesse contexto, a osteossíntese minimamente invasiva com placa surge como técnica de fixação de fraturas que busca menores danos aos tecidos moles, além de proporcionar a diminuição do tempo cirúrgico, a menor contaminação trans e pós-operatória e retorno precoce da função do membro.The number of animals suffering of orthopaedics injuries or conditions receiving veterinary care have increased significantly. Nowadays, many domestic animals are being treated like family members, this phenomenon is called “humanization”, and has improved the surgical techniques in general. Another factor that has contributed to the increase of surgical cases is the society’s concern about animal welfare, as more people became willing to provide adequate conditions for animals recovery. Techniques that aim to lower tissue injuries can match the current society’s demands. Osteosynthesis is a procedure that can be accomplished by several methods, which may be little or too invasive. The techniques used in veterinary medicine were adapted from human medicine techniques, and are becoming more refined. Knowledge of the surgical maneuver to be used is extremely important. Biological strategies for fractures repair have been developed to cause less tissue damage. In this context, the minimally invasive osteosynthesis with plate fixation technique appears to cause less damage to soft tissues, provides reduction in surgical time, decreases contamination during and after surgery and also provides early recovery of limb function

    Las Provincias : diario de Valencia: Año 68 Número 20864 - 1933 Agosto 26

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    Fraturas cominutivas com grandes perdas ósseas são comuns em animais silvestres, sendo de maior prevalência em aves, devido a traumas, com a crescente urbanização e desmatamento. Um dos problemas para o tratamento dessas fraturas nesses animais é a dificuldade do uso de enxertia autógena, devido os locais de coleta não oferecerem material suficiente e pela alta taxa de morbidade. Assim, a engenharia de biomateriais vem desenvolvendo diversos dispositivos com a intenção de auxiliar nesse tratamento. O uso de cimento ósseo é crescente nesse meio, e tem como objetivo a recuperação e reintrodução do animal a seu habitat. O objetivo deste trabalho foi avaliar o uso do cimento ósseo de hidroxiapatita deficiente em cálcio (HAD) associado ou não a proteína morfogenética óssea (BMP), para o tratamento do defeito crítico (DC) diafisário em ulna de galinhas domésticas. Foram utilizadas 32 aves, separadas em 4 grupos de 8 animais, sendo: controle negativo (GCN), controle positivo (GCP), cimento de HAD (GHAD) e cimento HAD associado a BMP (GHAD+BMP). Todos os animais passaram pelos procedimentos de ostectomia e a fixação dos fragmentos por meio da colocação de um pino intramedular de 1,5mm de forma retrógada, e acompanhados por período de 60 dias. Foram realizados exames radiográficos, análise histopatológica e biomecânica das ulnas. O presente trabalho demonstrou que não houve diferença significativa de consolidação entre os grupos com e sem BMP, porém o HAD+BMP apresentou-se mais eficiente para DC em galinhas na avaliação histopatológica, levando a resposta osteoindutora, por parte do cimento, e osteogênica, pela proteína.Comminuted fractures with great bone loss are common in wild animals, being more present in birds due to trauma related to growing urbanization and deforestation. One of the problems of the treatment of these kinds of fractures in these animals is the difficulty of using autogenous grafting because collection places do not offer enough material and also because of the high morbidity rate. Therefore, biomaterials engineering has been developing several devices intending to help on this treatment. Therewith, the use of bone cement is increasing in this environment, and has as its goal the recovery and reintroduction of the animal to its habitat. The objective of this work was to evaluate the use of calcium deficient hydroxyapatite bone cement (HAD) for the treatment of diaphysialcritical defect (DC) in ulna of domestic hens. Thirty-two birds were used, divided in four groups of eight animals, being: negative control (GCN), positive control (GCP), HAD cement (GHAD) and HAD cement associated with bone morphogenetic protein (GHAD + BMP). All animals went through the procedure of ostectomy and fixation of the fragments by placing a 1.5mm intramedullary pin in a retrograde way, and assisted for a period of 60 postoperative days. Radiographic examinations, histopathological and biomechanical analysis of the ulna were performed.The present paper demonstrated that there was not a significant consolidation measure between the groups with no BMP, however HAD + BMP presented more efficient results for DC in hens in the histopathological evaluation, leading to an osteoinductive response by cement and osteogenic by the protein
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