J Korean Soc Spine Surg.  2014 Sep;21(3):103-108. 10.4184/jkss.2014.21.3.103.

Biphasic Calcium Phosphate and Local Autobone Mixed Graft in Lumbar Posterolateral Fusion

• Huh JW
• Ko YC
• Jung CY
• Eun IS
• Park MJ
• Kim MW
• Hwang KM
• Park SH

• KMID: 2144771
• DOI: http://doi.org/10.4184/jkss.2014.21.3.103

Abstract

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.

Keyword

Spinal stenosis; Spondylolisthesis; Biphasic calcium phosphate; Posterolateral fusion

MeSH Terms

Calcium*
Durapatite
Humans
Spinal Stenosis
Spine
Spondylolisthesis
Transplants*
Calcium
Durapatite

Figure

• 

  Fig. 1. 71-year-old male in patient with spinal stenosis L3-5, postoperative radiograph (A) and 3D reconstruction CT (B) demonstrated solid bony union grafted with biphasic calcium phosphate (OsspolⓇ) at postoperative 17 months.

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