A clamidiose ou ornitose é uma doença infecciosa, causada pela bactéria Chlamydophila psittaci, que acomete aves e mamíferos. Trata-se de uma das principais zoonoses de origem aviária. A transmissão ocorre principalmente por inalação de secreções contaminadas. Os sinais clínicos mais comuns incluem alterações no sistema gastrointestinal, respiratório e ocular, porém é possível encontrar aves infectadas sem sinais aparentes, dificultando a identificação da doença. O diagnóstico definitivo em aves vivas pode ser difícil, devido às características da infecção pela bactéria. Há duas principais abordagens para o diagnóstico, a primeira envolve a detecção direta da bactéria e a segunda implica a detecção de anticorpos anti-Chlamydophila sp. O tratamento é longo e envolve o uso de tetraciclinas, quinolonas ou macrolídeos, durante 21-45 dias, dependendo da espécie e do fármaco de escolha. Atualmente, o Brasil não dispõe de medidas padronizadas que visam a guiar o clínico na identificação, manejo e tratamento para a doença. Tais medidas tornam-se necessárias, bem como a pesquisa de novos métodos diagnósticos e auxiliares para a doença.
Orchiectomy in chelonians is a challenging procedure, especially in large species with deep and elongated testes and extensive mesorchial attachments. Single surgeon coelioscopic orchiectomy was performed in seven adult desert tortoises (Gopherus agassizii), maintained at the Desert Tortoise Conservation Center (DTCC) in Las Vegas, for population management. Surgery was successfully conducted through a bilateral prefemoral approach via sequential vascular clip ligation and radiosurgery (monopolar/bipolar). Bipolar endoscopic forceps were considered indispensable due to the extensive mesorchial attachments and their close association with the kidney. A mechanical arm was effectively used to permit orchiectomy to be completed by a single surgeon. Six of seven animals recovered from anaesthesia. Necropsy demonstrated that the death of the other was unrelated to surgical complications. One animal experienced surgically significant haemorrhage, but still made a clinical recovery. The six tortoises were returned to the DTCC and, six months postoperatively, remain healthy. This small study suggests this minimally invasive technique is an effective method for bilateral orchiectomy in desert tortoises and might be preferable in large chelonians with elongated testes.
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