Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome
This retrospective study aimed to assess the accuracy of neurological examination in identifying intracranial extension of ear infection in dogs and to investigate the clinical data that may potentially aid in its diagnosis and prognosis. Dogs diagnosed with meningitis or meningoencephalitis due to...
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MDPI AG
2025-05-01
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| Series: | Veterinary Sciences |
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| Online Access: | https://www.mdpi.com/2306-7381/12/5/456 |
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| author | Meritxell Moral Carlos Blanco Valentina Lorenzo |
| author_facet | Meritxell Moral Carlos Blanco Valentina Lorenzo |
| author_sort | Meritxell Moral |
| collection | DOAJ |
| description | This retrospective study aimed to assess the accuracy of neurological examination in identifying intracranial extension of ear infection in dogs and to investigate the clinical data that may potentially aid in its diagnosis and prognosis. Dogs diagnosed with meningitis or meningoencephalitis due to an intracranial extension of otitis media-interna were included, and the relationship of MRI findings with neurological examination, clinical data, and outcome was studied. Thirty dogs were included, with 96% corresponding to brachycephalic breeds and a mean age of 7.5 years. The neurological examination was accurate in localizing the lesion in the central nervous system in 33% of dogs. Dogs with brainstem parenchymal involvement in magnetic resonance imaging (MRI) had a longer recovery (21 days). Recovery was complete in 28% of cases, with dogs more likely to have persistent neurological deficits when parenchymal and/or meningeal involvement was observed on imaging. MRI did not show intracranial extension in 20% of cases despite inflammatory cerebrospinal fluid (CSF). This study supports the conclusion that intracranial extension of otogenic infection is possible in dogs without central nervous system signs. When otitis media-interna is diagnosed, MRI and CSF studies should be recommended, especially for chronic or recurrent cases and in brachycephalic breeds. |
| format | Article |
| id | doaj-art-416b63f84b46478c9486dd87fba2cbd9 |
| institution | OA Journals |
| issn | 2306-7381 |
| language | English |
| publishDate | 2025-05-01 |
| publisher | MDPI AG |
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| series | Veterinary Sciences |
| spelling | doaj-art-416b63f84b46478c9486dd87fba2cbd92025-08-20T02:33:51ZengMDPI AGVeterinary Sciences2306-73812025-05-0112545610.3390/vetsci12050456Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and OutcomeMeritxell Moral0Carlos Blanco1Valentina Lorenzo2Clínica Neurología Veterinaria, C/Diseño, 26, 28906 Getafe, Madrid, SpainClínica Neurología Veterinaria, C/Diseño, 26, 28906 Getafe, Madrid, SpainClínica Neurología Veterinaria, C/Diseño, 26, 28906 Getafe, Madrid, SpainThis retrospective study aimed to assess the accuracy of neurological examination in identifying intracranial extension of ear infection in dogs and to investigate the clinical data that may potentially aid in its diagnosis and prognosis. Dogs diagnosed with meningitis or meningoencephalitis due to an intracranial extension of otitis media-interna were included, and the relationship of MRI findings with neurological examination, clinical data, and outcome was studied. Thirty dogs were included, with 96% corresponding to brachycephalic breeds and a mean age of 7.5 years. The neurological examination was accurate in localizing the lesion in the central nervous system in 33% of dogs. Dogs with brainstem parenchymal involvement in magnetic resonance imaging (MRI) had a longer recovery (21 days). Recovery was complete in 28% of cases, with dogs more likely to have persistent neurological deficits when parenchymal and/or meningeal involvement was observed on imaging. MRI did not show intracranial extension in 20% of cases despite inflammatory cerebrospinal fluid (CSF). This study supports the conclusion that intracranial extension of otogenic infection is possible in dogs without central nervous system signs. When otitis media-interna is diagnosed, MRI and CSF studies should be recommended, especially for chronic or recurrent cases and in brachycephalic breeds.https://www.mdpi.com/2306-7381/12/5/456otitis media-internabacterial meningoencephalitismagnetic resonance imagingCSFneurologydog |
| spellingShingle | Meritxell Moral Carlos Blanco Valentina Lorenzo Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome Veterinary Sciences otitis media-interna bacterial meningoencephalitis magnetic resonance imaging CSF neurology dog |
| title | Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome |
| title_full | Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome |
| title_fullStr | Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome |
| title_full_unstemmed | Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome |
| title_short | Otogenic Meningitis or Meningoencephalitis in 30 Dogs: Association Between Neurological Signs, Magnetic Resonance Imaging Findings, and Outcome |
| title_sort | otogenic meningitis or meningoencephalitis in 30 dogs association between neurological signs magnetic resonance imaging findings and outcome |
| topic | otitis media-interna bacterial meningoencephalitis magnetic resonance imaging CSF neurology dog |
| url | https://www.mdpi.com/2306-7381/12/5/456 |
| work_keys_str_mv | AT meritxellmoral otogenicmeningitisormeningoencephalitisin30dogsassociationbetweenneurologicalsignsmagneticresonanceimagingfindingsandoutcome AT carlosblanco otogenicmeningitisormeningoencephalitisin30dogsassociationbetweenneurologicalsignsmagneticresonanceimagingfindingsandoutcome AT valentinalorenzo otogenicmeningitisormeningoencephalitisin30dogsassociationbetweenneurologicalsignsmagneticresonanceimagingfindingsandoutcome |