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KMID : 0388720140210030103
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Journal of Korean Society of Spine Surgery
2014 Volume.21 No. 3 p.103 ~ p.108
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Biphasic Calcium Phosphate and Local Autobone Mixed Graft in Lumbar Posterolateral Fusion
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Huh Jung-Wook
Ko Young-Chul
Jung Chul-Young
Eun Il-Soo
Park Man-Jun
Kim Min-Woo
Hwang Keum-Min
Park Sook-Hyun
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Abstract
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Study Design: Retroprospective study.
Objectives: To evaluate the efficacy of biphasic calcium phosphate and local autobone mixed graft in cases of spinal stenosis and spondylolisthesis in posterolateral fusion by examining radiologic union rates and clinical outcomes.
Summary of Literature Review: It can be a practical alternative to the use of tricalcium phosphate in hydroxyapatite as a graft aid since using hydroxyapatite mixture in lumbar spine fusion has been reported to lead to a high rate of bone union.
Materials and Methods: From July 2011 to February 2013, we followed up 107 patients who had lumbar posterolateral fusion using biphasic calcium phosphate composed of HA/TCP (60:40) and local autobone mixed graft. Of these patients, 64 had spinal stenosis and 43 had spondylolisthesis. The bone fusion rate was determined using Lenke’s criteria and clinical outcomes were evaluated using Kim’s method.
Results: In spinal stenosis, bone union was presented in 53 patients (of 64; 82.8%) and in spondylolisthesis, 35 patients (of 43; 81.4%). In spinal stenosis, the clinical outcomes resulted in 20 excellent, 34 good, 9 fair and 1 poor. (84.4%, excellent or good) In spondylolisthesis, the clinical outcomes resulted in 10 excellent, 25 good, 7 fair and 1 poor. (81.4%, excellent or good).
Conclusion: Posterolateral fusion using biphasic calcium phosphate and local autobone mixed graft showed high rates of bone union and acceptable clinical outcomes, and is considered a satisfactory bone graft aid.
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KEYWORD
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Spinal stenosis, Spondylolisthesis, Biphasic calcium phosphate, Posterolateral fusion
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