Outcome of chronic inflammatory enteropathy in cats: 65 cases (2011‐2021)

Abstract

OBJECTIVES: Feline chronic inflammatory enteropathy is an idiopathic disease with limited information on variables that might affect treatment outcome and survival. The aim of this study was to determine if clinicopathological variables were associated with death due to gastrointestinal disease in cats with chronic inflammatory enteropathy. MATERIALS AND METHODS: Three medical records databases were retrospectively searched for cats diagnosed with chronic inflammatory enteropathy at the Royal Veterinary College between June 2008 and November 2021. Intestinal biopsy specimens of eligible cases were re-reviewed by one board-certified veterinary pathologist. Outcome information was obtained by contact with the referring veterinary surgeon. Two univariable binary logistic regression models and a Fisher's exact test were performed to assess the association between the outcome of death due to gastrointestinal disease or its short-term survival (≤ versus >1 year) with clinicopathological variables and the attainment of clinical remission. RESULTS: Sixty-five cats diagnosed with chronic inflammatory enteropathy between September 2011 and August 2021 were included in the study with follow-up information available for 54 cats (83%). Of these 54 cats, 20 (37%) were euthanised due to gastrointestinal disease (median 129.5 days; range 8 to 2970 days). Twenty-five (46%) cats were alive and in clinical remission (median 916 days; range 78 to 2113 days) with 16 (64%) diagnosed with food-responsive enteropathy. Attaining clinical remission reduced the likelihood of subsequent death due to gastrointestinal disease. CLINICAL SIGNIFICANCE: Measured physical and laboratory variables at the time of histopathological diagnosis of chronic inflammatory enteropathy were not predictors of death. Alternative diagnostic measures are required to definitively investigate outcome and survival in cats with chronic inflammatory enteropathy.

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