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Abstract #2812

Compression of nerve root causes high degree of fat infiltration of lumbar multifidus muscle

Hui Hao1, Jia Yin Tong1, Xiao Cheng Wei2, and Jian Yang1
1Department of Radiology, the First Affiliated Hospital, Xi'an Jiaotong University, xi'an, China, 2MR Research China, GE Healthcare, Bei Jing, China

The increase of multifidus muscle fat infiltration will affect the postoperative rehabilitation of patients with lumbar spine surgery. In this study, reasons for fat infiltration on both sides of multifidus muscles were analyzed retrospectively. Through Priffman grading evaluating the intervertebral disc and Kader grading for fat infiltration, a retrospective analysis was conducted on 453 cases of intervertebral discs images. In our study, nerve root compression was found to be correlated with degree of multifidus muscle fat infiltration. This correlation support the hyposis that nerve root compression would result in an increase in the adiposity of multifarious muscles.

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