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  • Title: CT findings, management and short-term outcome of dogs with pyothorax: 101 cases (2010 - 2019).
    Author: Eiras-Diaz A, Frykfors von Hekkel A, Hanot E, Stanzani G, Florey J, Miller R, Llabres-Diaz F.
    Journal: J Small Anim Pract; 2021 Nov; 62(11):959-966. PubMed ID: 34254321.
    Abstract:
    OBJECTIVES: To describe diagnosis, CT findings, management and short-term outcome of a large population of canine pyothorax cases. METHODS: Retrospective analysis of 101 canine pyothorax cases at two UK referral centres. Medical records and CT images were reviewed. Dogs were included if pre- and post-contrast CT was performed within 48 hours of presentation. RESULTS: CT abnormalities included pleural thickening (84.1%), pannus (67.3%), pneumothorax (61.4%), mediastinal effusion (28.7%), pulmonary (13.8%) and mediastinal (7.9%) abscessation, foreign body presence (7.9%), foreign body tracts (6.9%) and pneumonia (6.9%). Seventy-one percent of dogs were managed surgically, of which 90.2% survived, and 29% were managed medically, of which 72.4% survived. Overall mortality was 14.8% and 86.6% of these dogs died within 48 hours of admission. All dogs with evidence of a foreign body on CT underwent surgery. CLINICAL SIGNIFICANCE: Mortality in our population was low and most dogs that died did so within 48 hours of hospitalisation, regardless of management type.
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