Feline idiopathic pulmonary fibrosis
Guedes, Paula Elisa BrandãoCordeiro, Jeane Martinha dos AnjosSaid, Roueda AbouFernandes, Luci AnaMunhoz, Alexandre DiasFigueiredo, Maria Amélia FernandesSilva, Juneo FreitasSilva, Fabiana Lessa
Background: Feline idiopathic pulmonary fibrosis is an irreversible disease that is rarely reported in veterinary clinicalroutine, with this case as the second reported in Brazil. This study aimed to describe a case of idiopathic pulmonary fibrosisin a domestic cat.Case: A 10-year-old female cat with a history of respiratory distress was treated at the Veterinary Hospital of the StateUniversity of Santa Cruz (HV-UESC). The first signs were observed three months before clinical care, characterized mainlyby dyspnea that was more pronounced during nighttime. There was no history of previous illnesses or prior drug use. Thecat lived with two other domiciled cats, did not have access to the street, and had restricted access to the terrace of thebuilding, from where other animals could have possibly entered. Physical examination showed a poor body condition witha temperature of 37°C and dehydration estimated at 9%.The animal was observed to remain in an orthopedic position, withtachypnea (109 mvm), wheezing through the mouth, and severe expiratory dyspnea. Pulmonary auscultation detected finediscontinuous adventitious noises. There were no changes in the cardiac function in terms of rhythm, frequency, or auscultation. Oxygen therapy and slow administration of 0.9% NaCl solution were performed; moreover, blood was collectedfor complete blood count, in which no abnormalities were observed. Thoracic radiography was performed on the cat, andthe results showed a mixed pulmonary pattern characterized by bronchiectasis, thickening of the bronchiolar wall, and anunstructured interstitial pattern throughout the pulmonary area. Shortly after the beginning of the clinical care, the animaldied due to respiratory arrest and was necropsied. The main macroscopic finding was pulmonary edema. Lung sampleswere subjected to microscopic evaluation, which revealed extensive multifocal areas of alveolar...(AU)
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