Article ; Online: Prevalence and clinical features of thoracolumbar intervertebral disc‐associated epidural hemorrhage in dogs
Journal of veterinary internal medicine. 2022 July, v. 36, no. 4 p.1365-1372
2022
Abstract: BACKGROUND: Intervertebral disc‐associated epidural hemorrhage (EH) in dogs is a poorly understood neurological condition. OBJECTIVE: To compare the clinical presentation, magnetic resonance imaging (MRI) changes, and clinical outcome of dogs with acute ... ...
| Abstract | BACKGROUND: Intervertebral disc‐associated epidural hemorrhage (EH) in dogs is a poorly understood neurological condition. OBJECTIVE: To compare the clinical presentation, magnetic resonance imaging (MRI) changes, and clinical outcome of dogs with acute thoracolumbar intervertebral disc herniation (TL‐IVDH) with and without EH. ANIMALS: One hundred sixty client‐owned dogs that underwent MRI and hemilaminectomy for acute TL‐IVDH at a private practice in Colorado, including 63 dogs with EH and 97 dogs without EH. METHODS: Retrospective review of medical record data from 160 dogs presenting sequentially to a single practice with acute TL‐IVDH that underwent MRI and hemilaminectomy surgery. RESULTS: Sixty‐three of 160 (39%) dogs had confirmed EH. French Bulldogs were significantly overrepresented (23/63; odds ratio [OR]: 4.1; 95% confidence interval [CI]: 1.8‐9.0; P < .001) of the EH cases. Dogs with EH were more likely to present with clinical signs less than 48 hours than were dogs without EH (24‐48 vs 48‐72 hours; OR: 2.4; 95% CI: 1.2‐4.6; P = .02) and were more likely to be nonambulatory on presentation (OR: 2.1; 95% CI: 1.0‐4.1; P = .04). Dogs with EH were more likely to have <50% cross‐sectional spinal cord compression than dogs without EH (OR: 2.3 vs. 0.4; 95% CI: 1.2‐4.4 and 0.2‐0.9, respectively), longer longitudinal spinal cord compression (3 spaces vs 1 space, P < .001), and greater intrinsic spinal cord change (grade 3/severe vs grade 1/mild; P < .001) based on MRI. The location of the intervertebral disc herniation in French Bulldogs with EH was more likely to be thoracolumbar (OR: 10.8; 95% CI: 2.1‐55.7; P = .03). CONCLUSIONS AND CLINICAL IMPORTANCE: French Bulldogs have a high prevalence of intervertebral disc‐associated EH. Dogs with EH have a shorter clinical course and are more likely to be nonambulatory on initial presentation. |
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| Keywords | confidence interval ; disease course ; hemorrhage ; intervertebral disks ; magnetism ; medical records ; odds ratio ; spinal cord ; surgery ; veterinary medicine ; Colorado |
| Language | English |
| Dates of publication | 2022-07 |
| Size | p. 1365-1372. |
| Publishing place | John Wiley & Sons, Inc. |
| Document type | Article ; Online |
| Note | JOURNAL ARTICLE |
| ZDB-ID | 92798-3 |
| ISSN | 1939-1676 ; 0891-6640 |
| ISSN (online) | 1939-1676 |
| ISSN | 0891-6640 |
| DOI | 10.1111/jvim.16442 |
| Database | NAL-Catalogue (AGRICOLA) |
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