Analysis of imaging characteristics and effectiveness of cervical spondylotic myelopathy with cervical kyphosis

Chinese Journal of Reparative and Reconstructive Surgery, 2024 · DOI: 10.7507/1002-1892.202402018 · Published: May 1, 2024

Surgery Medical Imaging Spinal Disorders

Simple Explanation

This study investigates the relationship between the location of cervical kyphosis and spinal cord compression in patients with CSM. Patients were divided into three groups based on the location of the kyphosis apex and the point of spinal cord compression. The study assesses how these different positional relationships affect the outcomes of ACDF surgery in these patients.

Study Duration

January 2020 to December 2022

Participants

36 patients with single-segment CSM with cervical kyphosis

Evidence Level

Not specified

Key Findings

1
The location of the cervical kyphosis apex relative to the spinal cord compression point affects the clinical outcomes and sagittal parameters after ACDF.
2
Patients with the kyphosis apex and compression point in the same location showed the best clinical improvement and sagittal parameter correction.
3
JOA score improvement rate was negatively correlated with C2-7 angle and kyphotic Cobb angle, and positively correlated with C7S and kyphosis correction rate.

Research Summary

This study aimed to explore the imaging characteristics of cervical kyphosis and spinal cord compression in cervical spondylotic myelopathy (CSM) patients with cervical kyphosis and its impact on surgical effectiveness. The study retrospectively analyzed 36 patients with single-segment CSM and cervical kyphosis, categorizing them into three groups based on the positional relationship between the kyphosis apex and spinal cord compression point. The conclusion is that the positional relationship between the cervical kyphosis apex and the spinal cord compression point affects the effectiveness and sagittal parameters after ACDF.

Practical Implications

Surgical Planning

Surgeons should consider the positional relationship between the kyphosis apex and compression point when planning ACDF surgery for CSM patients with kyphosis.

Prognosis

The location of kyphosis and compression can help predict the outcome of ACDF, with same location cases showing better results.

Sagittal Balance

Achieving good sagittal balance is crucial for optimal neurological recovery and long-term outcomes in these patients.

Study Limitations

1
Small sample size.
2
Short follow-up period.
3
The impact of thoracolumbar curvature on cervical curvature in CSM patients with cervical kyphosis was not considered.

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