Multimodal Neuroelectrophysiological Monitoring Combined with Robot-Assisted Placement of a Transiliac–Transsacral Screw for the Treatment of Transforaminal Sacral Fractures

Figure 1

(a–i) A 49-year-old man presented with a pelvic fracture (AO/OTA C1.3) due to a fall. (a–c) Preoperative radiographs show bilateral pubic ramus fractures and transforaminal sacral fractures, and the right hemipelvis was vertically displaced. The patient presented with a dysmorphic sacrum. (d) During skeletal traction, the neuroelectrophysiological monitoring alert indicated that the SEP amplitude on the injured side (right) was lower than that on the contralateral side. After reducing the weight of traction, the SEP gradually recovered. (e) Robot-assisted planning for TITS screw fixation. (f, g) Postoperative radiographs showed that the TITS screw was in a good position. (h, i) The fracture healed, and the patient had good functional recovery 16 months postoperatively.

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