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Abstract #0519

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

Hiroyuki Takashima1,2, 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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