Journal List > J Korean Fract Soc > v.27(1) > 1037981

Kim, Baek, Kim, and Kim: Neurologic Injury within Pelvic Ring Injuries

Abstract

Purpose

To evaluate the incidence of neurologic injury in pelvic ring injuries and to assess the risk factors for neurologic injury related to pelvic fractures.

Materials and Methods

Sixty-two patients with the pelvic ring injury were enrolled in the study from March 2010 to May 2013. When the neurologic injury was suspected clinically, the electro-diagnostic tests were performed. Combined injuries, fracture types, and longitudinal displacements were examined for correlations with the neurologic injury.

Results

There were 7 cases of AO/OTA type A, 37 cases of type B, and 18 cases of type C. Among them, 25 patients (40%) had combined spine fractures, and the average of longitudinal displacement was 7 mm (1-50 mm). Of the 62 patients, 13 (21%) had neurologic injury related with pelvic fractures; 5 with lumbosacral plexus injury, 5 with L5 or S1 nerve injury, 2 with obturator nerve injury, and 1 case of lateral femoral cutaneous nerve injury. There were no relationships between the neurologic injuries and fracture types (p=0.192), but the longitudinal displacements of posterior ring and combined spine fractures were related to the neurologic injury within pelvic ring injury (p=0.006, p=0.048).

Conclusion

The incidence of neurologic injury in pelvis fracture was 21%. In this study, the longitudinal displacements of posterior ring and combined spine fractures were risk factors for neurological injury in pelvic ring injury.

Figures and Tables

Fig. 1
A 69-year-old man's (A) initial pelvis anteroposterior view and (B) pelvis computed tomography image showed the AO/OTA type C3 pelvis fracture. (C) Internal fixation of the pelvis was done. (D) The last follow-up on both hips anteroposterior x-ray at postoperative 13 months demonstrated union of fractures, but he still had deficits of right lumbosacral plexopathy.
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Table 1
Neurologic Injury Type versus Fracture Classification
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