Purpose The purpose of this study was to investigate reasons and their frequency for why
spine surgeons subspecializing in total disc replacement (TDR) performed lumbar fusion …

Study Design: This was a retrospective study with prospective patient contact attempted to
collect current data. Objective: The purpose was to investigate the incidence and reasons for …

Study Design. Retrospective cohort study. Objective. The purpose of this study was to investigate
the rate of cervical total disc replacement (TDR) device removal or revision. Summary …

Study Design. This was a retrospective study combined with attempted prospective patient
contact to collect current data. Objective. The purpose of this study was to investigate long-…

Background Anterior lumbar interbody fusion (ALIF) has been performed for many years.
Often, posterior supplemental fixation has been used to provide additional stability to the …

We read with great interest the manuscript entitled,“Long-term results of the NECK trial—implanting
a disc prosthesis after cervical anterior discectomy cannot prevent adjacent segment …

Study Design. Report of four collected cases. Objective. The purpose of this report is to describe
the presentation, diagnostic workup, treatment, and pathologic findings in four cases of …

BACKGROUND CONTEXT Many patients with symptomatic lumbar degenerative disc disease
(DDD) are affected at more than one level. When nonoperative treatment fails to provide …

BACKGROUND CONTEXT Lumbar total disc replacement (TDR) has gained acceptance for
the treatment of symptomatic disc degeneration unresponsive to nonoperative care. Most of …

BACKGROUND CONTEXT The first lumbar total disc replacement (TDR) was the Charite.
There was much enthusiasm for the potential to restore/maintain motion with these devices. In …