L5-S1 facet joint pathology in pelvic ring injuries.
L5-S1 facet injury
Lumbopelvic fixation
Missed injury
Pelvic ring injury
Spinopelvic fixation
Journal
European journal of orthopaedic surgery & traumatology : orthopedie traumatologie
ISSN: 1432-1068
Titre abrégé: Eur J Orthop Surg Traumatol
Pays: France
ID NLM: 9518037
Informations de publication
Date de publication:
23 Sep 2024
23 Sep 2024
Historique:
received:
29
06
2024
accepted:
14
09
2024
medline:
23
9
2024
pubmed:
23
9
2024
entrez:
23
9
2024
Statut:
aheadofprint
Résumé
The authors believe that the L5-S1 facet joint injury in the setting of pelvic fractures is underappreciated by orthopedic traumatologists. The purpose of this study was to draw attention to the L5/S1 facet joint in the setting of pelvic ring injuries. This was a retrospective comparative study of all patients greater than or equal to 18 years of age with an acute pelvic ring injury (AO/OTA 62 B to C) presenting to a single level I trauma center. The primary objective was to determine demographic and injury characteristics associated with L5-S1 facet joint injuries in patients with pelvic ring injuries. The secondary objective was to determine the proportion of L5-S1 facet joint injuries that were missed on initial radiographic workup. There were 476 patients included in the analysis, 53 (11.1%) of whom had an L5-S1 facet joint injury. Patients with an L5-S1 injury were more likely to be younger (44.1 vs. 53.2 years, p = 0.001) and experience a high energy mechanism of injury (95.0% vs. 78.0%, p = 0.002). Certain injury patterns were associated with L5-S1 facet joint injuries: any sacral fracture (96.2% vs. 73.8%, p < 0.001), Denis zone 2 fractures (43.4% vs. 20.1%, p < 0.001), Denis zone 3 fractures (34.0% vs. 4.7%, p < 0.001), bilateral displaced sacral fractures (18.9% vs. 3.5%, p < 0.001), and L5 transverse process fractures (64.2% vs. 18.0%, p < 0.001). Only 16.0% of radiology reports identified an L5-S1 injury. Orthopedic traumatologists should scrutinize imaging for L5-S1 facet joint injuries in the presence of pelvic ring injuries, especially in patients with certain sacral fracture patterns.
Sections du résumé
BACKGROUND
BACKGROUND
The authors believe that the L5-S1 facet joint injury in the setting of pelvic fractures is underappreciated by orthopedic traumatologists. The purpose of this study was to draw attention to the L5/S1 facet joint in the setting of pelvic ring injuries.
METHODS
METHODS
This was a retrospective comparative study of all patients greater than or equal to 18 years of age with an acute pelvic ring injury (AO/OTA 62 B to C) presenting to a single level I trauma center. The primary objective was to determine demographic and injury characteristics associated with L5-S1 facet joint injuries in patients with pelvic ring injuries. The secondary objective was to determine the proportion of L5-S1 facet joint injuries that were missed on initial radiographic workup.
RESULTS
RESULTS
There were 476 patients included in the analysis, 53 (11.1%) of whom had an L5-S1 facet joint injury. Patients with an L5-S1 injury were more likely to be younger (44.1 vs. 53.2 years, p = 0.001) and experience a high energy mechanism of injury (95.0% vs. 78.0%, p = 0.002). Certain injury patterns were associated with L5-S1 facet joint injuries: any sacral fracture (96.2% vs. 73.8%, p < 0.001), Denis zone 2 fractures (43.4% vs. 20.1%, p < 0.001), Denis zone 3 fractures (34.0% vs. 4.7%, p < 0.001), bilateral displaced sacral fractures (18.9% vs. 3.5%, p < 0.001), and L5 transverse process fractures (64.2% vs. 18.0%, p < 0.001). Only 16.0% of radiology reports identified an L5-S1 injury.
CONCLUSIONS
CONCLUSIONS
Orthopedic traumatologists should scrutinize imaging for L5-S1 facet joint injuries in the presence of pelvic ring injuries, especially in patients with certain sacral fracture patterns.
Identifiants
pubmed: 39311982
doi: 10.1007/s00590-024-04107-1
pii: 10.1007/s00590-024-04107-1
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024. The Author(s), under exclusive licence to Springer-Verlag France SAS, part of Springer Nature.
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