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논문 기본 정보

자료유형
학술저널
저자정보
Lee So Young (Department of Anesthesiology and Pain Medicine Daegu Catholic University School of Medicine) Kim In Young (Department of Anesthesiology and Pain Medicine Daegu Catholic University School of Medicine) Jeong Kyung Wook (Department of Anesthesiology and Pain Medicine Daegu Catholic University School of Medicine) 류태하 (대구가톨릭대학교 의과대학 마취통증의학교실) 곽상규 (대구가톨릭대학교) 정진용 (대구가톨릭대학교)
저널정보
대한마취통증의학회(구 대한마취과학회) Korean Journal of Anesthesiology Korean Journal of Anesthesiology Vol.75 No.4
발행연도
2022.8
수록면
323 - 330 (8page)
DOI
10.4097/kja.22006

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Background: If the proportion of the spinal cord in the epidural space can be determined under C-arm fluoroscopy during cervical epidural block, a safe entry point for the epidural needle can be established. The aim of this study was the measurement of the cord to canal transverse diameter ratio of each cervical spines. Methods: We retrospectively evaluated the imaging data of 100 patients who underwent both cervical computed tomography (CT) and cervical magnetic resonance imaging (MRI) at our hospital. We measured the diameters of the spinal canal and spinal cord from the 3rd cervical vertebra to the 1st thoracic vertebra (T1) at each level by using the patients’ cervical CT and MRI images. The spinal cord and spinal canal diameters were measured in the transverse plane of the cervical MRI and CT images, respectively.Results: The spinal cord to spinal canal diameter ratio was the highest at the 4th and 5th cervical vertebrae (0.64 ± 0.07) and the lowest at T1 (0.55 ± 0.06, 99% CI [0.535, 0.565].Conclusions: Our findings suggest that the cord to canal transverse diameter ratio could be used as a reference to reduce direct spinal cord injuries during cervical epidural block under C-arm fluoroscopy. In the C-arm fluoroscopic image, if an imaginary line connecting the left and right innermost lines of the pedicles of T1 is drawn and if the needle is inserted into the outer one-fifth of the left and right sides, the risk of puncturing the spinal cord would be relatively reduced.

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