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KMID : 0361620150500050401
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Journal of the Korean Orthopaedic Association
2015 Volume.50 No. 5 p.401 ~ p.406
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The Radiologic Result of Silicon-Containing Porous Hydroxyapatite Packed within a Cage in Posterior Lumbar Interbody Fusion of Lumbar Spine: Preliminary Study
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최승명:Choi Seung-Myung
김용민:Kim Yong-Min/이형준:Lee Hyeong-Jun/이종혁:Lee Jong-Hyuk
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Abstract
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Purpose: The objective of this study is to analyze the radiologic fusion rate in posterior lumbar interbody fusion (PLIF) using silicon-containing porous hydroxyapatite (Si-HA) chips packed within a cage.
Materials and Methods: Twelve patients who underwent PLIF using Si-HA (BoneMedik-S™; Meta-Biomed, Cheongju, Korea) blocks packed within a cage were enrolled. PLIF was performed in the same manner in all patients. A cage filled with Si-HA was inserted into disc space. Serial X-rays and 3-dimensional computed tomography (3D-CT) were performed for evaluation of the fusion status.
Results: At postoperative 12 months, 11 cases showed grade IV and one case showed grade III on X-rays. At postoperative 24 months, all cases showed grade IV (complete fusion). Assessment of fusion by 3D-CT also showed grade I in all cases at postoperative 12 months.
Conclusion: Considering the above results, Si-HA packed in a cage appears to be an effective bone graft material for use in PLIF.
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KEYWORD
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lumbar vertebrae, posterior lumbar interbody fusion, silicon-containing porous hydroxyapatite
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