25° Encontro Acadêmico de Produção Científica do Curso de Medicina Veterinária (ENAVET)
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Item Torção de raiz do mesentério em equino isquemia e reperfusão: Revisão de literatura(Centro Universitário da Fundação de Ensino Octávio Bastos, 2024-10-09) OLIVEIRA, Braian Rombaldo de; GOBESSO, Gabrielle Bordonal; RIBEIRO, Amanda; BRITO, Pedro Henrique SallesMesenteric root torsion is a disease in which the mesentery root rotates. It can be explained by the large length of the horse's intestine, its anatomical positioning and variations in the intestinal lumen. It can even be correlated with the species' own intestinal anatomy and is characterized by the rapid formation of gases in the intestinal lumen (resulting from microorganisms present in the intestine and as a consequence of the ingestion of highly fermentable substances). Another important factor is the characteristic of its diet, with the fermentation process being an important part of its digestion, indirectly promoting the distension of intestinal loops. This condition can cause severe vascular impairment and lead to severe hypoxia, which can trigger cellular damage and consequent cell death and tissue necrosis. The tissue injury caused by torsion leads to compromise of the intestinal mucosa, favoring the inflammatory process and bacterial translocation, that is, favoring the migration of bacteria from the intestinal lumen to the circulation and even to the peritoneum, with the main complications being endotoxemia, Systemic Inflammatory Response Syndrome (SIRS) and sepsis. This study aims to conduct a survey of data from the literature on the effects of ischemia and intestinal reperfusion damage in the face of mesenteric root torsion in horses.Item Síndrome da reabsorção odontoclástica e hipercementose equina: Revisão de literatura(Centro Universitário da Fundação de Ensino Octávio Bastos, 2024-10-09) TODERO, Larissa M.; RIBEIRO, AmandaEquine odontoclastic resorption and hypercementosis syndrome (EOTRH) is a painful and progressive condition that affects the incisor and canine teeth of geriatric horses. Since its etiopathogenesis has not yet been fully resolved, this disease often ends up being underdiagnosed. Several theories of etiology have been considered for this disease, however, none of them have been fully accepted. Histologically, EOTRH presents with the resorption of tooth structures by odontoclasts, usually followed by the deposition of altered cementum, by odontoblasts, cementoblasts and fibroblasts. To diagnose this syndrome, a detailed clinical oral examination and the use of radiographic examination are necessary, since the signs may often not be visible at the beginning of the disease. Clinical signs are varied, and range from pain and lack of food apprehension with incisors, to more serious changes, such as changes in the angles of the incisors and tooth fractures. On radiographs, it is possible to observe resorption changes in the teeth, with lysis of the reserve crown and root and proliferative changes, such as deposition of cementum and expansion of the alveolar bone. In addition, alveolitis, osteomyelitis and periodontal changes are also found. There is no effective treatment for EOTRH, and extraction of the affected teeth is almost always indicated.Item Falha na trasferência de imunidade passiva em neonato equino: Relato de caso(Centro Universitário da Fundação de Ensino Octávio Bastos, 2024-10-09) SILVEIRA, Ana Claudia Cassiano; COELHO, Bruno Machioni; RIBEIRO, AmandaFailure of passive transfer of immunity (FTIP) is a relatively common immune condition in equines, as the newborn needs maternal antibodies, originating from colostrum, to have immunological protection in the first weeks of life, which is called passive immunity. The antibodies present in colostrum are immunoglobulins and are transferred to the newborn only in the first hours of life through the ingestion of colostrum. This colostrum is formed approximately 30 days before parturition and is essential for the maintenance of the foals' lives, being able to maintain significant serum levels of immunoglobulins up to 90 days of life. In many cases, the newborn foal does not ingest colostrum or ingests a small volume, and this may be related to several factors, from difficulty in standing up, difficulty in suckling, pre-existing diseases from intrauterine life and even failure in the production of colostrum by the mare. Failure to ingest colostrum results in FTIP and can lead to dehydration, hypoglycemia and later to infections or even sepsis, in the first hours of life. In these cases, the foal may die if not treated quickly. Therefore, this study aims to report a case of FTIP in a newborn horse treated at the UNIFEOB Veterinary Center.