Chinese Journal of Tissue Engineering Research ›› 2015, Vol. 19 ›› Issue (4): 606-611.doi: 10.3969/j.issn.2095-4344.2015.04.020

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Clinical significance of CT image digital screw channel analog measurement of C4-C6 anterior fixed parameters   

Fu Yu1, Lin Bing2, Li Xiao-he3   

  1. 1Department of Spine Surgery, Second Affiliated Hospital, Inner Mongolia Medical University, Hohhot 010110, Inner Mongolia Autonomous Region, China; 2Department of Radiology Laboratory, Armed Police Frontier Corps Hospital in Fujian Province, Quanzhou 362000, Fujian Province, China; 3Department of Human Anatomy, Basic Medical College, Inner Mongolia Medical University, Hohhot 010110, Inner Mongolia Autonomous Region, China
  • Revised:2014-11-24 Online:2015-01-22 Published:2015-01-22
  • Contact: Li Xiao-he, Ph.D., Associate professor, Department of Human Anatomy, Basic Medical College, Inner Mongolia Medical University, Hohhot 010110, Inner Mongolia Autonomous Region, China
  • About author:Fu Yu, M.D., Associate chief physician, Department of Spine Surgery, Second Affiliated Hospital, Inner Mongolia Medical University, Hohhot 010110, Inner Mongolia Autonomous Region, China
  • Supported by:

    the Natural Science Foundation of Inner Mongolia Autonomous Region, No. 2012MS1117; the National Natural Science Foundation of China, No. 81460330

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Abstract:

BACKGROUND: Although anterior cervical surgery approach and anatomical structure were relatively complex, with big risk, it can stably fix cervical anterior column of the main load-bearing, and its relapse rate is relatively low. Because this technique is relatively new, there is lack of related fixation parameters in the clinic.

OBJECTIVE: To measure fixed parameters of C4-C6 anterior approach and to provide references for extensive treatment of segmental anterior fixation.
METHODS: CT imaging data of 35 patients without C4-C6 cervical lesions, who were examined from January 2009 to December 2012, were selected in this study. There were 20 males and 15 females at the age of 25-50 years old, averagely 41.2 years. The image data were rebuilt by Mimics16.01 software. Moreover, we measured vertebral anteroposterior and transverse diameters, vertebral height, anteroposterior and transverse diameters of vertebrae transverse foramen, the distance of medial borders of left and right transverse foramen, the angle and length of the left and right pedicle axis and sagittal and horizontal axes.
RESULTS AND CONCLUSION: The vertebral transverse diameter of C4-C6 gradually increased from (26.67±0.25) mm to (32.89±0.12) mm; anterior and posterior diameter of C4-C6 gradually increased from (6.89±0.12) mm to (8.85±0.44) mm, showing significant differences between different segments (P < 0.05). In vertebral median sagittal plane, anterior, middle and posterior height from C4 [anterior (7.99±0.51) mm, middle (7.09±0.42) mm, posterior (7.76±0.49) mm], to C6 [anterior (9.89±0.45) mm, middle (8.42±0.75) mm, posterior (8.84±0.26) mm], showing significant difference among vertebral bodies (P < 0.05). Anteroposterior and transverse diameters of vertebrae transverse foramen gradually increased with increased vertebral order (P < 0.05). The distance of medial borders of C4-C6 left and right transverse foramen gradually increased from (25.10±0.45) mm to (28.89±0.56) mm, showing significant differences among different segments (P < 0.05). The angle and length of the left and right pedicle axis and sagittal and horizontal axes gradually increased with increased vertebral order (P < 0.05).

中国组织工程研究杂志出版内容重点：人工关节；骨植入物；脊柱；骨折；内固定；数字化骨科；组织工程


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Key words:  Cervical Vertebrae, Anatomy, Internal Fixators

CLC Number: