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Comparison of 6-year Follow-up Result of Hybrid Surgery and Anterior Cervical Discectomy and Fusion for the Treatment of Contiguous Two-segment Cervical Degenerative Disc Diseases.

Abstract：

STUDY DESIGN:A retrospective study. OBJECTIVE:To compare the mid-term outcomes of hybrid surgery (HS) and anterior cervical discectomy and fusion (ACDF) for the treatment of contiguous two-segment cervical degenerative disc diseases. SUMMARY OF BACKGROUND DATA:HS has become one of the most controversial subjects in spine communities, and the comparative studies of HS and ACDF in the mid- and long-term follow-up are rarely reported. METHODS:From 2009 to 2012, 42 patients who underwent HS (n = 20) or ACDF (n = 22) surgery for symptomatic contiguous two-level cervical degenerative disc diseases were included. Clinical and radiological records, including Japanese Orthopedic Association (JOA), Neck Disability Index (NDI), Visual Analogue Scale (VAS), local cervical lordosis, and range of motion (ROM), were reviewed retrospectively. Complications were recorded and evaluated. RESULTS:Mean follow-up was 77.25 and 79.68 months in HS group and ACDF group, respectively (P > 0.05). Both in HS group and ACDF group, significant improvement for the mean JOA, NDI, and VAS scores was found at 2-week postoperation and at the last follow-up (P < 0.05). However, there were no significant differences between the two groups (P > 0.05). At the last follow-up, the range of motion (ROM) of superior adjacent segments in ACDF group was significantly larger than HS group (P < 0.05), while the ROM of C2-C7 was significantly smaller (P < 0.05). In the HS group, two (10%) sagittal wedge deformities, one (5%) heterotopic ossification, and one (5%) anterior migration of the Byran disc prosthesis were found. No symptomatic adjacent segment degeneration occurred in two groups. CONCLUSION:HS appears to be an acceptable option in the management of contiguous two-segment cervical degenerative disc diseases. It yielded similar mid-term clinical improvement to ACDF, and demonstrated better preservation of cervical ROM. The incidence of postoperative sagittal wedge deformity was low; however, it can significantly reduce the cervical lordosis. LEVEL OF EVIDENCE:4.

journal_name

Spine (Phila Pa 1976)

journal_title

Spine

authors

Xiong Y,Xu L,Yu X,Yang Y,Zhao D,Hu Z,Li C,Zhao H,Duan L,Zhang B,Chen S,Liu T

doi

10.1097/BRS.0000000000002639

subject

Has Abstract

pub_date

2018-10-15 00:00:00

pages

1418-1425

issue

eissn

0362-2436

issn

1528-1159

pii

00007632-201810150-00010

journal_volume

pub_type

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Comparison of 6-year Follow-up Result of Hybrid Surgery and Anterior Cervical Discectomy and Fusion for the Treatment of Contiguous Two-segment Cervical Degenerative Disc Diseases.