AI Article Synopsis
- - This study investigated the occurrence and risk factors for sacral fractures in patients who underwent lumbosacral fusion for degenerative spinal issues, analyzing data from 65 patients over a minimum of 2 years.
- - Out of these patients, 7 experienced sacral fractures, leading to an overall incidence rate of 10.8%, with significant differences in age, bone mineral density (BMD), and various pelvic measurements between those who had fractures and those who did not.
- - Key findings indicated that older age, lower BMD, longer fusion levels, and certain pelvic alignment issues were significant risk factors for developing sacral fractures post-surgery.
Article Abstract
Background: This study aimed to investigate the incidence and risk factors for sacral fractures following lumbosacral fusion.
Methods: We conducted a retrospective review of patients who underwent lumbosacral fusion for degenerative spinal stenosis with a minimum follow-up of 2 years. Patients who developed and those who did not develop a sacral fracture were categorized into the "sacral fracture" and "nonfracture" groups. The demographic and radiological data were compared between the 2 groups.
Results: A total of 65 patients were included in this study. Among them, 7 patients were categorized into the sacral fracture and 58 patients into the nonfracture groups, respectively. The incidence of sacral fracture was 10.8%. In the sacral fracture group, age and fusion levels were significantly higher (P<0.05), while bone mineral density (BMD) T-score was significantly lower (P<0.05) than nonfracture group. Pelvic incidence, preoperative pelvic tilt, postoperative sacral slope, and postoperative lumbar lordosis were significantly higher (P<0.05) in the sacral fracture than the nonfracture group. Multivariable logistic regression analysis showed that BMD T-score (odds ratio [OR] 0.25, 95% confidence interval [CI] 0.08-0.79, P = 0.019), postoperative sacral slope (OR 1.14, 95% CI 1.00-1.29, P = 0.047), and changes in L4-S1 lordosis (OR 1.11, 95% CI 1.00-1.23, P = 0.049) were significant factors.
Conclusions: The overall incidence of sacral fracture was 10.8%. In our study, advanced age, low BMD, long fusion levels, and preoperative compensatory pelvic retroversion and excessive correction of it were risk factors for sacral fractures.
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| http://dx.doi.org/10.1016/j.wneu.2024.09.014 | DOI Listing |
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