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20 March 2020 : Clinical Research  

Interface Fixation Using Absorbable Screws versus Plate Fixation in Anterior Cervical Corpectomy and Fusion for Two-Level Cervical Spondylotic Myelopathy

Xiaowen Qiu1CE, Bo Zhao1CD, Xijing He12AD*, Chen Zhao1BF, Zikuan Leng3CF

DOI: 10.12659/MSM.921507

Med Sci Monit 2020; 26:e921507


BACKGROUND: We compared the clinical and radiographic outcomes between interface fixation using absorbable screws and plate fixation in anterior cervical corpectomy and fusion (ACCF) to evaluate the effectiveness of these 2 fixation methods for the treatment of 2-level cervical spondylotic myelopathy (CSM).

MATERIAL AND METHODS: From January 2014 to December 2016, a total of 220 patients who received 2-level ACCF were retrospectively collected. Among them, 108 patients were treated with interface fixation using absorbable screws (Group A) and 112 patients underwent plate fixation (Group B). Japanese Orthopedic Association (JOA) score and Neck Disability Index (NDI) score were employed to compare the clinical improvement. Operative time, blood loss, surgical cost, cervical lordosis, complications, and fusion rate were also evaluated.

RESULTS: The average follow-up time were 35.2±4.5 months in Group A and 35.9±3.9 months in Group B. There was no difference in operative time and blood loss for both groups. The JOA scores and NDI scores were similar in each follow-up (p>0.05 in all). Group A cost an average of 30% less than Group B for the operation. Both groups achieved 100% in the fusion rate with the same conditions in cervical lordosis. Group A (5/108) had a significantly lower complication rate than Group B (17/112) (p<0.05).

CONCLUSIONS: ACCF with interface fixation using absorbable screws achieved similar clinical outcomes compared to ACCF with plate fixation for 2-level CSM. Moreover, the interface fixation using absorbable screws presented far fewer complications and cost less for the operation.

Keywords: Absorbable Implants, Decompression, Surgical, Orthopedic Fixation Devices, spondylosis, Bone Plates, Bone Screws, Cervical Vertebrae, Diskectomy, intervertebral disc degeneration, Radiography, Spinal Fusion, vertebroplasty

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Dinah V. Parums

DOI: 10.12659/MSM.943911

Med Sci Monit 2024; 30:e943911


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Medical Science Monitor eISSN: 1643-3750
Medical Science Monitor eISSN: 1643-3750