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Imaging analysis of ossification of the nuchal ligament with cervical curvature and segmental stability / 中国组织工程研究
Chinese Journal of Tissue Engineering Research ; (53): 1923-1928, 2020.
Article in Chinese | WPRIM | ID: wpr-848038
ABSTRACT

BACKGROUND:

In degenerative cervical spondylosis associated with cervical curvature straightening or segmental instability, ossification of the nuchal ligament caused by chronic injury of the nuchal ligament is very common.

OBJECTIVE:

To investigate the correlation between ossification of the nuchal ligament and cervical curvature and segmental stability of the cervical spine.

METHODS:

Data of 109 patients with degenerative cervical spondylosis, who were treated in Department of Spinal Surgery of Affiliated Hospital of Xuzhou Medical University from October 1, 2017 to October 31, 2018, were retrospectively analyzed. There were 61 male patients and 48 female patients, who aged 30 to 81 years old at a mean age of (55. 8±11. 1) years. All patients signed the informed consent. This study was approved by the Ethics Committee of Affiliated Hospital of Xuzhou Medical University. The patients underwent the X-ray examinations of cervical spine. The imaging observation included the distribution and degree of ossification of the nuchal ligament and the change of cervical physiological curvature and segment stability. The patients were divided into ossification group and non-ossification group according to whether or not the patients had ossification of the nuchal ligament. Gender, age, cervical curvature and lower cervical stability were compared between the two groups. Pearson correlation analysis was used to compare the relationship between the degree of ossification of the nuchal ligament and cervical curvature and cervical stability. Binary Logistic regression analysis was applied to evaluate the significant risk factors for the development of ossification of the nuchal ligament. RESULTS AND

CONCLUSION:

(1) Of 109 patients with degenerative cervical spondylosis, 56 patients with ossification of the nuchal ligament and ossification involved 83 cervical segments in ossification of the nuchal ligament patients, most of which were C4-5 (39. 8%) and Cm (42. 2%). (2) There was significant difference in age, C2-C7 Cobb angle, Jackson physiological stress curve, parameter angular displacement and horizontal displacement between the ossification group and non-ossification group (P < 0. 05). The degree of ossification of the nuchal ligament was positively correlated with angular displacement (f=0. 486, P < 0. 05). (3) The incidence of ossification of the nuchal ligament was significantly higher in patients with lower cervical instability (P < 0. 05). Age and lower cervical instability parameter angular displacement were significant risk factors for the development of ossification of the nuchal ligament. (4) Patients with ossification of the nuchal ligament are more likely to have cervical curvature straightening and lower cervical instability, especially in the segment instability. In the diagnosis and treatment of degenerative cervical spondylosis, the existence of ossification of the nuchal ligament causes corresponding attention.

Full text: Available Index: WPRIM (Western Pacific) Type of study: Risk factors Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2020 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Type of study: Risk factors Language: Chinese Journal: Chinese Journal of Tissue Engineering Research Year: 2020 Type: Article