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Infrared video thermometry guidance for surgical correction of chylothorax in dogs

Ribeiro, Mariana da Silva; Santos Junior, Marcelo Borges dos; Moraes, Marina Tomaz Gonçalves de; Cabral, Paula Gebe Abreu; Antunes, Fernanda; Oliveira, André Lacerda de Abreu.
Acta sci. vet. (Online); 46(supl): 1-5, 2018. ilus
Artigo em Inglês | VETINDEX | ID: vti-17903


Background: Macroscopic identification of the extravasation site of chyle in patients with chylothorax is a major challenge. Current forms of identification are invasive and/or expose patients to radiation, as in computerized tomography and radiography. A prototype device that uses infrared video thermometry images to detect temperature increments of 0.1ºC has been developed. This device can process and show real-time images or video on a monitor during surgeries. Therefore, the aim of this work was to report the first successful case in which this innovative device was tested in the transoperative period to identify the thoracic duct and its tributaries in a chylothorax surgery performed in a dog.Case: A 2-year-old male dog of the Shiba Inu breed was presented to the veterinary hospital with exercise intolerance, cough, emaciation, and no history of trauma. Clinical examination was performed along with complete blood count, biochemical analysis, and thoracic radiography. The patient exhibited dyspnea and had diminished breath sounds on chest auscultation. Radiographic images revealed moderate pleural effusion. The dog was anesthetized and submitted to thoracotomy, which enabled visualization of a chylous effusion. A sample of the effusion was collected for cytological and biochemical analyses. Subsequently, pericardiectomy was carried out, and identification of the thoracic duct and its tributaries was guided by an innovative device that generates infrared video thermometry images in real time. The extravasation site of the chyle was visualized on the images shown on a monitor. Consequently, after ligation of the tributary vessel, interruption of chyle overflow could be noticed on the monitor. Thoracotomy was routinely closed, and a drain was placed through an intercostal space after incision. Thirty days after the surgery, the dog exhibited no signs of recurrence.[...](AU)
Biblioteca responsável: BR68.1
Localização: BR68.1