An Observational Study of Intraoperative Neuromonitoring as a Safety Mechanism in Placement of Percutaneous Dorsal Root Ganglion Stimulation and Spinal Cord Stimulation Systems

Figures & data

Table 1 Stratification of Demographics, Implants and Postoperative Complications

Variables	Number
Average Age (years)	58.2 ± 14.8
Sex (Female)	72 (62.6%)
Sex (Male)	43 (37.4%)
Spinal Cord Stimulator Implants	26 (22.6%)
Dorsal Root Ganglion Implants	89 (77.3%)
Average Leads Implanted	2.03 ± 1.05
Abnormal Neuromonitoring Activity	2 (1.7%)
Minor Adverse Events	2 (1.7%)
Postoperative Neurologic Complications	0.0
Correlation with an abnormal IONM	0.0
Revision of Initial Procedure	3 (2.6%)

Notes: Mean ± standard deviation are presented for continuous outcomes, and number of patients with percentage is presented for categorical variables.

Table 2 Stratification of Diagnoses. Diagnoses and Case Numbers for the 115 Cases Performed

Diagnosis	Number of Cases
Complex Regional Pain Syndrome Type 2	57 (49.5%)
Lumbar Radiculopathy	39 (33.9%)
Complex Regional Pain Syndrome Type 1	7 (6.1%)
Peripheral Neuropathy	6 (5.2%)
Thoracic Radiculopathy	3 (2.6%)
Cervical Radiculitis	1 (0.9%)
Herpetic Neuralgia	1 (0.9%)
Ilioinguinal Neuralgia	1 (0.9%)