Roche P H, Dufour H, Graziani N, Jolivert J, Grisoli F
Service de Neurochirurgie, CHU La Timone, Marseille, France.
Surg Neurol. 1998 Jul;50(1):11-6. doi: 10.1016/s0090-3019(98)00009-3.
Anterior lumbosacral dislocation is a rare traumatic anterior spondylolisthesis.
We report a new case surgically treated and review the eight cases previously reported.
The mechanism of injury is hyperflexion-distraction. Neurological signs are inconsistent. Indirect radiological signs such as bilateral multiple transverse process fractures are strongly suggestive of the diagnosis. This complete soft tissue injury induces a definitive instability and requires an open reduction with posterior fixation.
Suspicion of lumbosacral dislocation requires a computed tomography scan exploration with multiplanar reconstructions. Early reduction is associated with neurologic recovery. However, prognosis is correlated with the initial neurologic status and the severity of other associated injuries.
腰骶部前脱位是一种罕见的创伤性椎体前滑脱。
我们报告一例经手术治疗的新病例，并回顾先前报道的8例病例。
损伤机制为过屈-牵张。神经体征不一致。双侧多发横突骨折等间接影像学征象强烈提示诊断。这种完全的软组织损伤导致明确的不稳定，需要切开复位并后路固定。
怀疑腰骶部脱位需要进行计算机断层扫描并进行多平面重建。早期复位与神经功能恢复相关。然而，预后与初始神经状态及其他相关损伤的严重程度有关。
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