Bisegmental cervical interbody fusion using hydroxyapatite implants: surgical results and long-term observation in 70 cases

Journal of Neurosurgery
P KimT Kirino

Abstract

Hydroxyapatite (HA) is the main constituent of bone mineral, and synthetic HA serves as a biocompatible and bioactive material. It permits bone growth on its surface and forms a union with the adjacent bone. The authors have developed implants made of porous HA, which they have used in more than 90 cases in the past 6 years to achieve cervical interbody fusion. The implants were designed to provide maximum durability, biomechanical stability, and alignment preservation and to be technically easy to use. The authors summarize their experience and results with the use of these implants. The results of postoperative follow-up observation of 12 months or longer (mean 37.1 +/- 2.4 months) are available in 70 patients with underlying disease including: spondylosis, disc extrusion, ossification of the posterior longitudinal ligament (PLL), hypertrophy of the PLL, and trauma. The patients' ages at the time of surgery ranged from 22 to 83 years (mean 50.6 +/- 1.3 years). Flexion-extension radiographs and tomograms, obtained 6 and 12 months after surgery and every year thereafter, were used to demonstrate solid fusion in all cases. Dislocation of the implant occurred in three patients who were treated during the early portion of the seri...Continue Reading

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Citations

Jan 24, 2006·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Youzhuan XieJianxi Lu
Jan 20, 2009·European Spine Journal : Official Publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society·Anthony M T Chau, Ralph J Mobbs
May 31, 2006·Neurosurgical Focus·M BruneauT Gustin
Oct 11, 2005·Neurosurgical Focus·Khalil SalameSemion Rochkind
Sep 26, 2002·Journal of Neurosurgery·Michael H Sukoff
Nov 1, 2002·Journal of Neurosurgery·Takeo GotoMitsuhiro Hara
Apr 20, 2006·Journal of Neurosurgery. Spine·Kurtis I AugusteChristopher P Ames
Nov 13, 2008·Acta neurochirurgica·Najib RamziChristian Raftopoulos
Sep 24, 2015·Journal of Materials Science. Materials in Medicine·Kiyoshi ItoKazuhiro Hongo
Dec 6, 2007·Journal of Korean Medical Science·Jae Sook AhnHyeoung Joon Kim
Nov 7, 2009·Journal of Korean Neurosurgical Society·Sung Chul KimSang Hyun Kim
Jan 21, 2010·Journal of Spinal Disorders & Techniques·Majid Reza FarrokhiKorush Azodi Ghajar
Oct 28, 2014·Korean Journal of Spine·Sung-Won JinDong-Jun Lim
Feb 14, 2007·Journal of Biomedical Materials Research. Part a·Michiko SakamotoHiroyuki Okihana
Dec 12, 2018·Neurospine·Yoshifumi KawanabeTsukasa Sato
May 16, 2002·Clinical Orthopaedics and Related Research·Koji TotoribeMasashi Koono
Aug 18, 2017·Global Spine Journal·Shayan Abdollah ZadeganVafa Rahimi-Movaghar

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