Figure 1
From: Infrared neural stimulation markedly enhances nerve functionality assessment during nerve monitoring
Infrared neural stimulation is more sensitive to partial nerve transections. (a) Normalized CMAP amplitudes resulting from ES in baseline, healthy, partial transection, and complete transection conditions. Black dashed line represents the amplitude damage threshold (50% decrease). (b) Normalized CMAP amplitudes resulting from INS in baseline, healthy, partial transection, and complete transection conditions. (c) The sensitivity and specificity for the amplitude-based IONM approach to transection injuries. (d) Normalized CMAP latencies resulting from ES in baseline, healthy, partial transection, and complete transection conditions. Black dashed line represents the latency damage threshold (10% increase). If no CMAP was evoked latency was set to 1.2 for ease of visual interpretation. (e) Normalized CMAP latencies resulting from INS in baseline, healthy, partial transection, and complete transection conditions. (f) Sensitivity and specificity for the latency-based IONM approach to transection injuries. Specificity in all cases was calculated using the ‘Healthy’ category of responses. All data is normalized to the mean baseline values for each individual nerve. \(n = 10\) nerves for all data sets (5 rats).
