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Journal of Craniovertebral Junction and Spine
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Year : 2023  |  Volume : 14  |  Issue : 1  |  Page : 55-58

Traumatic spinopelvic dissociation: A case series

1 Department of Orthopedic Surgery, National Guard Health Affairs; College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Saudi Arabia
2 Department of Orthopedic Surgery, National Guard Health Affairs, Riyadh, Saudi Arabia
3 King Faisal Specialized Hospital and Research Center, Riyadh, Saudi Arabia
4 College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, Riyadh, Saudi Arabia

Correspondence Address:
Firas M Alsebayel
College of Medicine, King Saud Bin Abdulaziz University for Health Sciences, P. O. Box 3660, Riyadh 11481
Saudi Arabia
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Source of Support: None, Conflict of Interest: None

DOI: 10.4103/jcvjs.jcvjs_158_22

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Introduction: Spinopelvic dissociation was described first in 1969. It is an injury characterized by the separation of the lumbar spine, with parts of the sacrum, from the rest of the sacrum and pelvis with the appendicular skeleton through the sacral ala. Spinopelvic dissociation has an incidence of approximately 2.9% of all pelvic disruptions and corresponds with high-energy trauma. The objective of this study was to review and analyze a case series of spinopelvic dissociations that were treated in our institution from May 2016 to December 2020. Methods: This was a retrospective study reviewing medical records of a series of cases with spinopelvic dissociating. A total of nine patients were encountered. Demographic data including gender and age were analyzed with the mechanism of injury, fracture characteristics, and classifications in addition to neurological deficits. Fractures were classified by the AO Spine Sacral Classification System. Moreover, neurological deficits were classified using the Gibbon's classification score. Finally, the Majeed score was utilized for the assessment of the functional outcome after the injury. Results: A total of nine patients with spinopelvic dissociation were encountered, seven males and two females. Seven patients were due to motor vehicle accidents, one patient was due to a suicidal attempt, and one patient was due to seizure. Four patients suffered from neurological deficits. One patient needed an intensive care unit admission. Spinopelvic fixation was done for all patients. One patient had surgical wound infection with wound dehiscence, one had infected instruments with confirmed spine osteomyelitis, and one had a focal neurological deficit. Six patients went on to heal and showed complete neurological improvements. Conclusion: Spinopelvic dissociation injuries represent a variety of injuries that are commonly associated with high-energy trauma. The triangular fixation method has proven to be a stable construct in dealing with such injuries.

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