Peer-reviewed veterinary case report
Meningoencephalitis in dogs treated with steroids and chemo outcomes
By Lowrie, M et al.·Published in The Veterinary record·2013·Davies Veterinary Specialists, United Kingdom·View original on PubMed →
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Original publication title: Meningoencephalitis of unknown origin: investigation of prognostic factors and outcome using a standard treatment protocol.
- Species:
- dog
Plain-English summary
A group of dogs diagnosed with meningoencephalitis of unknown origin (MUO) showed a range of symptoms, including neurological issues. They were treated with prednisolone and cytosine arabinoside, and their progress was monitored with MRI and cerebrospinal fluid (CSF) tests. Unfortunately, the average survival time was only 26 days, with many dogs passing away shortly after diagnosis. However, dogs that survived past three months had a much better chance of recovery, and the combination of MRI and CSF analysis helped predict which dogs were at higher risk for relapse.
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Abstract
Meningoencephalitis of unknown origin (MUO) is a common inflammatory CNS disease in dogs, with a variable and unpredictable outcome. MRI and cerebrospinal fluid (CSF) features were prospectively evaluated to establish their utility as prognostic markers for predicting mortality, relapse and long-term outcome in 39 dogs with MUO. MRI and CSF analysis were performed at initial diagnosis and three months into treatment with prednisolone and cytosine arabinoside. When possible, MRI was repeated every 12 months thereafter. Median survival time was 26 days. All deaths occurred within 52 days of diagnosis (22/39; 56 per cent). One-third (13/39) died within 72 hours of diagnosis. Outcome was good or excellent in 12/17 surviving dogs. Loss of the cerebral sulci and foramen magnum herniation on MRI were associated with increased risk of mortality. An abnormal CSF analysis at the three-month re-examination was associated with increased risk of relapse (P=0.04). The combination of MRI and CSF analysis provided a greater sensitivity for predicting relapse than one modality alone. Discontinuing treatment before MRI lesions resolved always resulted in relapse. The presence of certain MRI characteristics may indicate an increased risk of mortality. Dogs alive three months following diagnosis have a very low risk of death due to MUO.
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Search related cases →Original publication on PubMed: https://pubmed.ncbi.nlm.nih.gov/23462382/