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Journal of Korean Neurosurgical Society 2008;44(4): 217-221.
doi: https://doi.org/10.3340/jkns.2008.44.4.217
Comparative Analysis of Cervical Arthroplasty Using Mobi-C(R) and Anterior Cervical Discectomy and Husion Using the Solis(R) -Cage.
Jin Hoon Park, Kwang Ho Roh, Ji Young Cho, Young Shin Ra, Seung Chul Rhim, Sung Woo Noh
1Department of Neurosurgery, Asan Medical Center, College of Medicine, University of Ulsan, Seoul, Korea. swroh@amc.seoul.kr
2Junior Grade of Williston Northampton School, MA, U.S.A.
Although anterior cervical discectomy and fusion (ACDF) is the standard treatment for degenerative cervical disc disease, concerns regarding adjacent level degeneration and loss of motion have suggested that arthroplasty may be a better alternative. We have compared clinical and radiological results in patients with cervical disc herniations treated with arthroplasty and ACDF.
We evaluated 53 patients treated for cervical disc herniations with radiculopathy, 21 of whom underwent arthroplasty and 32 of whom underwent ACDF. Clinical results included the Visual Analogue Scale (VAS) score for upper extremity radiculopathy, neck disability index (NDI), duration of hospital stay and convalescence time. All patients were assessed radiologically by measuring cervical lordosis, segmental lordosis and segmental range-of-movement (ROM) of operated and adjacent disc levels.
Mean hospital stay (5.62 vs. 6.26 days, p<0.05) and interval between surgery and return to work (1.10 vs. 2.92 weeks, p<0.05) were significantly shorter in the arthroplasty than in the fusion group. Mean NDI and extremity VAS score improved after 12 months in both groups. Although it was not significant, segmental ROM of adjacent levels was higher in the fusion group than in the arthroplasty group. And, segmental motion of operated levels in arthroplasty group maintained more than preoperative value at last follow up.
Although clinical results were similar in the two groups, postoperative recovery was significantly shorter in the arthroplasty group. Although it was not significant, ROM of adjacent segments was less in the arthroplasty group. Motion of operated levels in arthroplasty group was preserved at last follow up.
Key Words: Anterior discectomy and fusion (ACDF); Arthroplasty; Cervical disc herniations; Artificial cervical disc; Mobi-C(R); Solis cages(R)
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