Preoperative MRI scans showing compression on the right side, a black collapsed disc at L4-L5, and T1 and T2 signal hyperintensity (early Modic type 2), and a preoperative computed tomography myelogram showing foraminal compression and a right-sided partial facet defect, in a 45-year old female with a prior L5-S1 laminotomy who underwent 2-level total disc arthroplasty in the present study.

New Video Abstract and Commentary on Spine Study

/ Need to Know, Spine

Investigators in France evaluated the long-term outcomes of 1- and 2-level total disc arthroplasty (TDA) in patients with chronic lumbar degenerative disc disease. A total of 1,187 patients were included, with follow-up ranging from 7 to 21 years.  

The study …