Effect of Axial loading on Lumbar spine MRI (축부하가 요추부 자기공명영상에서 미치는 영향 -신경학적 파행 유무에 따른 효과 비교-)

이진영; 이정길; 오범석; 이효범; Bon-Jae Koo (구본재)

Effect of Axial loading on Lumbar spine MRI

Journal of Korean Society of Spine Surgery
Abbr : J Kor Spine Sur
2012, 19(4), pp.152-157
Publisher : Korean Society Of Spine Surgery
Research Area : Medicine and Pharmacy > Orthopedic Surgery

이진영 ¹, 이정길 ¹, 오범석 ¹, 이효범 ¹, Bon-Jae Koo ¹

¹한림대학교

Accredited

ABSTRACT

Study Design: This study intended to find out differences of effects by axial loading in MRI examination in a patient group with neurologic claudication and a group without neurologic claudication Objectives: It was intended to understand in which group the effects of axial loading can be expected when taking MRI on the lumbar spine. Summary of Literature Review: The study of Willen and Danielson found spinal canal stenosis, which cannot be found by existing methods comparing an MRI taken in bended posture of lumbar without axial loading implementation by MRI taken with axial loading implementation. Hiwatashi et al. also reported that there was a change of treatment direction by laminectomy after axial loading in patients who were intended to take a conservational treatment before the axial loading. Materials and Methods: A total of 39 patients and 54 intervertebral discs were compared. The distances from a sagittal plane before and after intervertebral discs were compared by measuring a sectional area of dura mater in a horizontal plane image and two groups were compared by existence of patients’ neurologic claudication. Results: The AP diameter before and after a intervertebral discs increased into 41.98 mm from 41.1 mm on the average and the sectional area of dura mater showed 137.47mm2 before loading and 119.86mm2 after loading on the average. There was not a significant difference in the distances before and after axial loading implementation, but a significant difference was found in the sectional area of dura mater. Conclusion: Axial loading would contribute to diagnose spinal disease, and especially, spinal canal stenosis in a patient group with claudication.

KEYWORDS

Lumbar MRI, Axial loading MRI, Spinal stenosis, Claudication

Citation status

* References for papers published after 2023 are currently being built.

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