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KMID : 1189320230170061132
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Asian Spine Journal
2023 Volume.17 No. 6 p.1132 ~ p.1138
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Standalone Percutaneous Vertebroplasty for Hyperextension Injuries of the Ankylosed Thoracolumbar Spinal Kyphosis
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Ryunosuke Fukushi
Satoshi Kawaguchi
Keiko Horigome
Hideki Yajima
Toshihiko Yamashita
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Abstract
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Hyperextension injuries of the ankylosed thoracolumbar spine, particularly those with preexisting kyphotic deformity, present significant therapeutic challenges. The authors viewed that such injuries without displacement or fractures of the posterior elements are reasonable candidates for standalone percutaneous vertebroplasty (PVP). In such cases, the posterior tension band is spared; thus, fractures are unstable not in the lateral direction, which would lead to the translation of the fracture, but in the vertical direction. Such vertical instability of the fracture can be stabilized if the open mouth-type vertebral cleft is adequately filled with a sufficiently large amount of polymethylmethacrylate (PMMA) cement. Our three patients receiving standalone PVP received injections of 12 mL, 16.5 mL, and 18 mL of PMMA cement. This minimally invasive surgical procedure achieved both short-term (immediate pain relief and mobilization) and long-term (fracture healing) goals.
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KEYWORD
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Ankylosing spinal disorders, Fractures, Hyper-extension injury, Percutaneous vertebroplasty
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