{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,25]],"date-time":"2026-06-25T22:35:13Z","timestamp":1782426913773,"version":"3.54.5"},"reference-count":51,"publisher":"American Veterinary Medical Association (AVMA)","issue":"8","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["javma"],"published-print":{"date-parts":[[2003,10,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Objective<\/jats:bold>\u2014To determine clinicopathologic and radiographic\nfeatures and etiologic agents in cats that died\nas a result of infectious pneumonia.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Design<\/jats:bold>\u2014Retrospective study.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Animals<\/jats:bold>\u201439 cats.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Procedure<\/jats:bold>\u2014Medical records of cats in which infectious\npneumonia was confirmed by histologic examination\nof necropsy specimens were reviewed.\nSignalment, clinical signs, and results of a CBC, viral\nserologic tests, and thoracic radiography were evaluated.\nInfectious agents were classified as bacterial,\nviral, fungal, protozoal, or parasitic. Histologic features\n(severity, duration, anatomic location, and distribution)\nwere analyzed.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Results<\/jats:bold>\u2014Clinical signs referable to the respiratory\ntract were not detected in 14 of 39 (36%) cats, and\nresults of a CBC (4\/18 cats) and radiography (3\/13)\nwere unremarkable. Sixteen of 39 (41%) cats lacked\nclinical signs of systemic illness. Etiologic agents\nidentified included bacteria (n = 21), viruses (11), fungi\n(6), protozoa (2), and parasites (1). Cats with clinical\nsigns related to the respiratory tract (19\/24 [79%]\ncats) were more likely to have severe histologic\nchanges than cats without signs related to the respiratory\nsystem (6\/14). Twenty-nine of 38 (76%) cats\nhad histologic evidence of systemic disease, whereas\nthe remaining cats had lesions limited to the respiratory\ntract.<\/jats:p>\n\t\t\t\t<jats:p>\n\t\t\t\t\t<jats:bold>Conclusions and Clinical Relevance<\/jats:bold>\u2014Infectious\npneumonia is uncommon in cats. Cats with infectious\npneumonia may lack clinical signs and have\nunremarkable results for a CBC and thoracic radiography,\nyet frequently have systemic infections.\nTherefore, clinicians should maintain an index of suspicion\nfor pneumonia and evaluate the respiratory\ntract when infection is detected in other organ systems.\n(<jats:italic>J Am Vet Med Assoc<\/jats:italic> 2003;223:1142\u20131150)<\/jats:p>","DOI":"10.2460\/javma.2003.223.1142","type":"journal-article","created":{"date-parts":[[2006,1,23]],"date-time":"2006-01-23T18:47:22Z","timestamp":1138042042000},"page":"1142-1150","source":"Crossref","is-referenced-by-count":41,"title":["Clinicopathologic and radiographic features and etiologic agents in cats with histologically confirmed infectious pneumonia: 39 cases (1991\u20132000)"],"prefix":"10.2460","volume":"223","author":[{"given":"Ellen S.","family":"Macdonald","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Carol 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