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Journal of the Korean Academy of Rehabilitation Medicine 2006;30(2):169-172.
Surface Anatomical Landmark and Optimal Insertion Angle in Cervical Epidural Block.
Kim, Sung Hoon , Auh, Kyou Bom , Lee, Young Hee , Park, Jeong Mee , Jung, Sang Hoon , Ryu, Mun Ki
Department of Rehabilitation Medicine, Yonsei University Wonju College of Medicine, Korea. kbauh@yahoo.co.kr
경부 경막외 신경차단의 표면 해부학적 지표와 삽입각
연세대학교 원주의과대학 재활의학교실
The aim of this study is to evaluate the surface anatomical landmark for the cervical epidural block by investigating the proportion of patient's prominence in the 7th cervical vertebra. And the most optimal insertion angle over the mid point between the 6th and the 7th cervical spinous process is also measured.
Patients who did a plane x-ray examination of cervical spine were selected. We performed plane x-ray after marking on cervical vertebra prominence that was assumed as the spinous process of the 7th cervical vertebra by inspection and palpation. We identified where the marker were located on the spinous process. Moreover, we mea-sured optimal insertion angle in the plane x-ray of cervical spine lateral.
A total 100 cases were identified. The vertebra prominence was on the 7th cervical vertebra in 62 cases and the 6th cervical vertebra in 29 cases. The 1st thoracic vertebra was in the 2 cases and the 6th and 7th cervical vertebra in the 7 cases.
The vertebra prominence was identified as the spinous process of the 7th cervical vertebra in sixty two percent of the cases. And the most optimal insertion angle is a ⁣25.28 degree angle from the perpendicular line of the skin. (J Korean Acad Rehab Med 2006; 30: 169-172)
Key Words: Cervical epidural block, Vertebra prominence, Insertion angle
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