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Charité III lumbar disc replacement found safe, effective long-term
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COPENHAGEN, Denmark — When the indications are strictly followed, the Charité III disc replacement procedure can provide satisfactory clinical and radiographic results when used as an alternative to lumbar fusion in patients with symptomatic, degenerative disc disease, according to a presenter at the EuroSpine Annual Meeting, here.
At the 11-year follow-up, patients who underwent lumbar disc replacement with the Charité III prosthesis (DePuy Spine) had an acceptable rate of complications and reoperations, according to Yong Hai, MD, of Beijing.
“Only one patient in our study needed a reoperation,” he said.
The study included 32 patients who received 33 prostheses were followed up at 11 years after they underwent lumbar total disc replacement with the Charité III prosthesis. Twenty-eight patients, or 87.5% of the patients, had successful outcomes. The Oswestry Disability Index and VAS scores improved significantly over baseline, Hai said.
At 11.8 years follow-up, mean the investigators reported 100% cumulative survival. However, Hai said the index level and adjacent level showed a decreased range of motion at final follow-up.
The complications in the series included 3 patients with prosthesis subsidence and 25 segments that were affected by heterotopic ossification. – by Robert Linnehan
Reference: Hai Y, et al. Paper #59. Presented at: EuroSpine Annual Meeting; Sept. 2-4, 2015; Copenhagen, Denmark.
Disclosure: Hai reports no relevant financial disclosures.