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KMID : 1189320180120010112
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Asian Spine Journal
2018 Volume.12 No. 1 p.112 ~ p.118
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Efficacy of Platelet-Rich Plasma for Bone Fusion in Transforaminal Lumbar Interbody Fusion
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Kubota Gou
Kamoda Hiroto
Orita Sumihisa
Inage Kazuhidee
Ito Michihiro
Yamashita Masaomi
Furuya Takeo
Akazawa Tsutomu
Shiga Yasuhiro
Ohtori Seiji
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Abstract
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Study Design: Retrospective case series.
Purpose: To examine the efficacy of platelet-rich plasma (PRP) for bone fusion in transforaminal lumbar interbody fusion (TLIF) using local bone grafting.
Overview of Literature: Several authors have reported the efficacy of PRP for bone union in animal models. However, the use of PRP for bone fusion in TLIF surgery has not been fully explored.
Methods: Twenty patients underwent single-level TLIF surgery because of L4 spondylolisthesis. An interbody fusion cage and local bone were used in nine patients (control group) and an interbody fusion cage, local bone, and PRP were used in 11 patients (PRP group). PRP was prepared from the patients' blood samples (400 mL) immediately before surgery. The duration of bone union and postoperative bone fusion rate were assessed using plain radiography at every 3 months postoperatively and computed tomography at 12 or 24 months postoperatively, respectively. Lower back pain, leg pain, and leg numbness were evaluated using the visual analog scale preoperatively and at 3, 6, 12, and 24 months postoperatively.
Results: The platelet count was 8.7 times higher in PRP than in blood. The bone union rate was significantly superior in the PRP group than in the control group (91% and 77%, respectively; p=0.035), whereas the average duration of bone union was not significantly different between the groups (7.7±0.74 and 10.0±2.00 months, respectively; p=0.131). There was no significant difference in lower back pain, leg pain, and leg numbness in both groups during follow-up (p>0.05).
Conclusions: Our study suggests that the use of PRP in TLIF surgery increases bone fusion rate.
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KEYWORD
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Spine, Platelet-rich plasma, Bone, Lumbar, Fusion
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