Table 3.
Additional diagnostic test results in dogs with acute polyradiculoneuritis (APN)
| Diagnostic Tests | Results | Incidence |
|---|---|---|
| Hematology and biochemistry | Elevated CK levels | 22% (5/23) |
| Low potassium concentration | 0% (0/23) | |
| Low total T4 | 18% (2/11) | |
| Lumbar CSF analysis | Albuminocytologic dissociation | 43% (3/7) |
| Serology | Positive IFAT Toxoplasma | 0% (0/4) |
| Positive IFAT Neospora | 0% (0/8) | |
| Positive Acetylcholine receptor Abs | 0% (0/12) | |
| Electrophysiological features | Spontaneous activity in EMG | 100% (9/9) |
| Decreased CMAP amplitude | 100% (9/9) | |
| F‐waves normal | 0% (0/4) | |
| F‐waves prolonged | 25% (1/4) | |
| F‐waves not detected | 75% (3/4) |
CK, creatine kinase; T4, thyroxine; CSF, cerebrospinal fluid; IFAT, indirect fluorescent antibody test; Abs, antibodies; EMG, electromyography; CMAP, compound muscle action potential.