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Radiographic evaluation of bioactive glass-ceramic grafts in postero-lateral lumbar fusion
1Department of Orthopaedic Surgery, Japanese Red Cross Society, Wakayama Medical Center, Wakayama, Japan.
Study Design:
Follow-up study of bioactive glass-ceramic graft for postero-lateral fusion (PLF) in the lumbar spine was performed using plain radiography.
Objectives:
To investigate the fusion state of the porous stick type of bioactive glass-ceramic which has been used in PLF in the lumbar spine, by plain radiography, and to evaluate the usefulness of this technique.
Methods:
Fourteen patients who underwent PLF using apatite and wollastonite-containing glass-ceramic (A-W. GC) were followed-up for more than 1 year and 6 months by plain radiography.
Results:
Six patients who were followed up for more than 2 years were considered to have obtained subtotal or total fusion.
Conclusion:
PLF using A-W. GC mixed with autologous grafted bone can preserve bone stock without the need to harvest a bone graft from the iliac crest and will be useful for PLF in the lumbar spine.