TL;DR
Reoperation after lumbar fusion demonstrates distinct early and late patterns driven by different mechanisms, highlighting the importance of risk stratification and perioperative optimization.
Study Design Retrospective cohort study. Objective To identify factors associated with delayed reoperation following cervical and lumbar fusion and characterize long-term healthcare utilization. Methods Patients undergoing cervical or lumbar fusion for degenerative pathology within the PearlDiver Mariner 170 dataset we...
DFR provides durable long-term outcomes, though the risk of revision persists beyond 10 years, primarily due to infection, and residual epiphyseal plate presence is a significant risk factor for implant failure.
In patients undergoing multilevel lumbosacral fusion for degenerative pathology, iliac fixation was associated with significantly lower long-term reoperation risk, driven primarily by reduced nonunion-related reoperation.
Re-revision following aseptic rTHA occurs most frequently within the first two postoperative years, with instability representing the dominant mode of early failure, highlighting the importance of early risk mitigation strategies and informed patient counselling in the setting of repeated rTHA.
The novel association between coronal shift direction and rod-fracture laterality provides clinical validation of asymmetric mechanical loading, underscoring the importance of precise coronal alignment and construct reinforcement to improve long-term construct durability.
Patient-related factors, particularly older age, higher ASA class, male sex, and low BMI, were the main independent predictors of postoperative mortality, whereas surgical variables were not independently associated with survival after adjustment.
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