Letter to the Editor: Long-term Outcomes of In Situ Fusion for Treating Dysplastic Spondylolisthesis

Did the authors differentiate between the high- and low-grade slips in terms of the surgical technique (including the achievement of partial reduction and consideration for the use of additional lumbar/pelvic fixations to counter the shear forces) as well as postoperative bracing? Did the authors observe any adjacent segment disease during the long-term follow-up? Notes Conflict of Interest: No potential conflict of interest relevant to this article was reported. 1.