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논문 기본 정보

자료유형
학술저널
저자정보
Chi Ho Kim (Department of Neurosurgery College of Medicine Chosun University Gwangju Korea) Chang Il Ju (Chosun University) Sung Myung Lee (Chosun University) Seok Won Kim (Chosun University)
저널정보
대한신경손상학회 Korean Journal of Neurotrauma Korean Journal of Neurotrauma Vol.17 No.1
발행연도
2021.1
수록면
41 - 47 (7page)

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초록· 키워드

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Objective: Altered biomechanics and bone fragility can contribute to pedicle screw loosening. This study aimed to evaluate the efcacy of antibiotic-loaded cement augmentation for correcting symptomatic screw loosening as a minimally invasive alternative to open revision surgery. Methods: Ten consecutive patients who underwent percutaneous cement augmentation for pedicle screw loosening were included in this study. Low grade pedicle screw loosening was deemed clinically relevant in cases of continuous back pain with signifcant radiolucent halo zones at a vertebral level without screw backing out or stripping. We analyzed the screw loosening at the main location of halo formation. All patients were treated by fluoroscopyguided antibiotic-loaded cement augmentation of the loosened pedicle screws. Patient demographics and pre- and postoperative data were also assembled and analyzed. Results: Most (80%) halo formation locations were the inferior type. Augmentation was technically feasible in all but one patient, in whom the procedure was unsuccessful due to access difculty. This patient ultimately underwent percutaneous screw re-implantation via a different trajectory. The other nine patients in whom cement flling was satisfactory reported signifcant pain relief at the fnal follow-up. Moreover, no severe complications such as wound infection or repeated screw loosening occurred during the follow-up period. Conclusion: The most common halo formation location was the inferior type. In cases without access difculty, antibiotic-loaded cement augmentation for the treatment of low grade pedicle screw loosening can relieve pain and avoid extensive open surgery.

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