Abstract #0519

Predicting delayed union in osteoporotic vertebral fractures in the acute phase with intravoxel incoherent motion

Hiroyuki Takashima^1,2, Tsuneo Takebayashi³, Yasuhisa Abe³, Rui Imamura¹, Hiroshi Oguma³, Izaya Ogon², Yoshihiro Akatsuka¹, and Toshihiko Yamashita²

¹Division of Radiology and Nuclear Medicine, Sapporo Medical University Hospital, Sapporo, Japan, ²Department of Orthopaedic Surgery, Sapporo Medical University School of Medicine, Sapporo, Japan, ³Department of Orthopaedic Surgery, Sapporo Maruyama Orthopedic Hospital, Sapporo, Japan

Previous studies have reported that the disorder of intramedullary perfusion in the vertebral fracture (VF) delays the bone union process. However, few reports evaluating VF using intravoxel incoherent motion (IVIM) exist. The IVIM parameters between favorable and unfavorable VF prognosis were compared, and we investigated whether possible to evaluate for the VF prognosis. ADC, D, D*, and f in VF as IVIM parameters were measured, and the IVIM parameters between the favorable and unfavorable prognosis groups was compared. The IVIM parameters were significantly different between groups. Therefore, it is concluded that the IVIM analysis enables the prediction of VF prognosis.

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