Abstract
BackgroundUrinary (UI) and fecal (FI) incontinence occur in up to 7.5% and 32% of dogs, respectively, after thoracolumbar acute noncompressive nucleus pulposus extrusion (ANNPE).Hypotheses/ObjectivesTo investigate clinical, diagnostic, and therapeutic predictors of UI and FI in dogs with ANNPE affecting the T3‐L3 spinal cord segments.AnimalsHundred and eighty‐seven dogs with T3‐L3 ANNPE diagnosed based on clinical and MRI findings.MethodsMulticenter retrospective study. Data were obtained from medical records and telephone questionnaires and analyzed by logistic regression.ResultsUI and FI were reported in 17 (9.1%) and 44 (23.5%) dogs, respectively. Paraplegic dogs were 3 times (95% CI = 1.25, 10.87) more likely to develop UI (P = .018) and 4 times (95% CI = 1.94, 12.56) more likely to develop FI (P = .001) compared to nonparaplegic dogs. Dogs with an intramedullary hyperintensity greater than 40% of the cross‐sectional area of the spinal cord at the same level on transverse T2‐weighted MRI images were 4 times more likely to develop UI (95% CI = 1.04, 21.72; P = .045) and FI (95% CI = 1.56, 10.39; P = .004) compared to dogs with smaller lesions. FI was 3 times (95% CI = 1.41, 7.93) more likely in dogs that were not treated with nonsteroidal anti‐inflammatory drugs (NSAIDs) after diagnosis compared to dogs administered NSAIDs (P = .006) and 2 times (95% CI = 1.12, 5.98) more likely in dogs presented with clinical signs compatible with spinal shock compared to dogs without (P = .026).Conclusion and Clinical ImportanceThe identification of clinical, diagnostic, and therapeutic predictors of UI and FI in dogs with T3‐L3 ANNPE can help to approach these autonomic dysfunctions occurring after spinal cord injury.
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