Table 1 Electrophysiological studies performed in both cases on radial nerves bilaterally indicative of a partial conduction block of the left radial nerve along the spiral groove with additional distal motor axonal loss due to wallerian degeneration.
From: Intraoperative radial nerve injury during coronary artery surgery – report of two cases
Examination | Left side | Right side | ||
|---|---|---|---|---|
Patient 1 | Patient 2 | Patient 1 | Patient 2 | |
CMAP-stimulation at the elbow | 5 mV | 4.5 mV | 7.5 mV | 8 mV |
CMAP-stimulation below the spiral groove | 4.5 mV | 4.2 mV | 7.2 mV | 7.5 mV |
CMAP-stimulation above the spiral groove | 1.6 mV | 1.3 mV | 6.8 mV | 7.0 mV |
SNAP | 15 μV | 8 μV | 63 μV | 42 μV |