CHICAGO — Results showed patients who underwent lumbar facet arthroplasty with a total spine system had low complication rates and significant improvements in patient-reported outcome measures at 1-year follow-up.
“Comparison of the [total posterior spine system] TOPS cohort to the control arm in the ongoing FDA clinical trial will be necessary to draw final conclusions regarding the noninferiority of the TOPS device,” Zachariah Pinter, MD, said in his presentation at the North American Spine Society Annual Meeting.
Pinter and colleagues assessed the development of