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A prospective randomized clinical trial comparing bone union rate following anterior cervical discectomy and fusion using a polyetheretherketone cage: Hydroxyapatite/B-Tricalcium phosphate mixture versus hydroxyapatite/demineralized bone matrix mixture
Cited 17 time in
Web of Science
Cited 28 time in Scopus
- Authors
- Issue Date
- 2015-02
- Publisher
- 대한척추외과학회
- Citation
- Asian Spine Journal, Vol.9 No.1, pp.30-38
- Abstract
- Study Design: Prospective randomized noninferiority trial. Purpose: To evaluate whether the union rate of anterior cervical discectomy and fusion (ACDF) using a polyetheretherketone (PEEK) cage filled with a mixture of hydroxyapatite (HA) and demineralized bone matrix (DBM) is inferior to that of a mixture of β-tricalcium phosphate (β-TCP) and HA. Overview of Literature: There have been no clinical trials investigating the outcomes of a mixture of HA and DBM in a PEEK cage in ACDF. Methods: Eighty-five eligible patients were randomly assigned to group B (n=43), in which a PEEK cage with a mixture of HA and DBM was used, or group C (n=42), in which a PEEK cage with a mixture of HA and β-TCP was used. The primary study endpoint was the fusion rate, which was assessed with dynamic radiographs and computed tomography (CT) scans. Secondary endpoints included pain intensity using a visual analogue scale, functional outcome using a neck disability index score, laboratory tests of inflammatory profiles, and the infection rate. Results: Seventy-seven patients (38 in group B and 39 in group C) were included in the final analysis. One year postoperatively, bone fusion was achieved in 87% of group B patients and 87% of group C patients on dynamic radiographs, and 87% of group B patients and 72% of group C patients on CT scans (p =1.00 and 0.16, respectively). There were also no between-groups differences with respect to the secondary endpoints. Conclusions: A HA/DBM mixture inside a PEEK cage can provide noninferior outcomes compared to a HA/TCP mixture in ACDF. © 2015 by Korean Society of Spine Surgery.
- ISSN
- 1976-1902
- Language
- English
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