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Fig. 1 | Journal of Orthopaedic Surgery and Research

Fig. 1

From: Risk factors for insufficient reduction after short-segment posterior fixation for thoracolumbar burst fractures: Does the interval from injury onset to surgery affect reduction of fractured vertebrae?

Fig. 1

a, b Lateral radiographs from a 56-year-old man with an L1 burst fracture, showing changes before and after surgery. a The vertebral body angle (VBA) was 31° before surgery. b Surgery corrected the VBA to 3°. Therefore, the reduction angle was 28°, and the reduction rate was calculated as being 90% ([31 − 28/31] × 100). c, d Lateral radiographs from a 38-year-old man with an L1 burst fracture. c The VBA was 9° before surgery. d Surgery corrected the VBA to 0°. Therefore, the reduction angle was 9°, and the reduction rate was calculated as being 100% ([9 − 0/9] × 100). Thus, the reduction rate is suitable for patients with a minor deformity before surgery

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Journal of Orthopaedic Surgery and Research

ISSN: 1749-799X