Table 2.
Results of ENG, HRUS and CCM of the propionate-treated AMSAN patient at baseline and follow-up visit. Values outside the normal range are highlighted.
| Baseline | 2 month follow up | |||||
|---|---|---|---|---|---|---|
| ENG | Tibial | F (ms) | 43.3 | 52.8 | ||
| ankle-AH | DML (ms) | 4.4 | 4.6 | |||
| cMAP (mV) | 2.9 | 4.5 | ||||
| mCV (m/s) | 44.7 | 48.3 | ||||
| Sural | sNAP (ms) | 8.6 | 17 | |||
| sCV (m/s) | 56.0 | 50.0 | ||||
| Median | F (ms) | 26.5 | n.a. | |||
| wrist-APB | DML (ms) | 3.5 | n.a. | |||
| cMAP (mV) | 6.6 | n.a. | ||||
| CV (m/s) | 53.1 | n.a. | ||||
| Median sensory | sNAP (ms) | 5.0 | n.a. | |||
| sCV (m/s) | 63.3 | n.a. | ||||
| Ulnar | F (ms) | 25.3 | 28.1 | |||
| wrist-ADM | DML (ms) | 3.2 | 2.8 | |||
| cMAP (mV) | 3.8 | 7.3 | ||||
| CV (m/s) | 59.1 | 61.7 | ||||
| Ulnar sensory | sNAP (ms) | 3.7 | 2.3 | |||
| sCV (m/s) | 68.5 | 71.8 | ||||
| CCM | Corneal nerve fiber length (mm/mm²) | 11.34 | 15.93 | |||
| Corneal nerve fiber density (nerves/mm²) | 16.25 | 28.75 | ||||
| Corneal branch density (branch points/mm²) | 15.0 | 53.75 | ||||
| HRUS | CSA (mm²) | right | left | right | Left | |
| Median | Carpal tunnel | 7.3 | 11.8 | 8.7 | 9.1 | |
| Forearm | 7.1 | 8.3 | 7.4 | 8 | ||
| Upper arm | 10.4 | 9.8 | 13.1 | 14.0 | ||
| Ulnar | Guyon’s canal | 5.6 | 4.6 | 4.8 | 3.8 | |
| Forearm | 5.4 | 4.5 | 4.5 | 6.0 | ||
| Elbow | 8.8 | 9.1 | 7.5 | 8.0 | ||
| Upper arm | 5.7 | 6.0 | 5.7 | 5.0 | ||
| Radial | Spiral groove | 6.5 | 3.8 | 4.0 | 4.1 | |
| Fibular | Fibular head | 6.7 | 9.0 | 7.0 | 8.8 | |
| Popliteal fossa | 5.5 | 7.1 | 6.4 | 5.5 | ||
| Tibial | Popliteal fossa | 23.7 | 22 | 17.1 | 17.9 | |
| Tarsal tunnel | 6.3 | 9.3 | 7.7 | 10.8 | ||
| Sural | Middle lower leg | 1.5 | 1 | 2.3 | 2.7 | |
AMSAN, acute motor and sensory axonal neuropathy; CCM, confocal corneal microscopy; ENG, electroneurography; HRUS, high-resolution nerve ultrasound.