Pericardial effusion in cats: a retrospective study of clinical findings and outcome in 146 cats |
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| Authors: | Hall Daniel J Shofer Frances Meier C Kate Sleeper Meg M |
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| Institution: | Department of Cardiology, Matthew J. Ryan Veterinary Hospital, University of Pennsylvania, Philadelphia, PA, USA. |
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| Abstract: | BACKGROUND: Pericardial effusion (PE) in dogs most often is associated with neoplasia or idiopathic pericarditis, and frequently causes cardiac tamponade. Studies of PE in the cat are limited. HYPOTHESIS: Congestive heart failure (CHF) is the most common cause of PE in the cat. ANIMALS: All cats diagnosed with PE on echocardiographic examination at the Matthew J. Ryan Veterinary Hospital of the University of Pennsylvania (MJR-VHUP) from 2000 to 2005. METHODS: The clinical and pathologic findings in 146 cats with PE were reviewed. Records were examined retrospectively to identify additional underlying conditions. Follow-up status and cause of death were determined by review of the medical records or phone interviews with the owners. RESULTS: The most common cause of PE in this study was CHF (75%). Biochemical abnormalities were uncommon, but aspartate aminotransferase (AST) activity frequently was increased (85%). Follow-up information was available on 108 cats (74%). Median survival time (MST) was 144 days for cats that were not euthanized within 24 hours (n = 85). The MST of cats with heart failure was 41 days, whereas the MST of cats without heart failure was 361 days, when those euthanized within 24 hours were excluded. CONCLUSIONS: Survival time of cats with heart failure in this study was significantly shorter than previously reported, and significantly shorter than in cats without heart failure as a cause of PE. |
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| Keywords: | Aspartate aminotransferase Cardiomyopathy Heart failure Survival |
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