Intraarticular structural bone grafting maintains column height in atlantoaxial facet joints
Intraarticular structural bone grafting in atlantoaxial facet joints has the advantage of maintaining anterior column height in the case of lateral mass collapse, reports a study recently published in the Journal of Orthopaedic Surgery and Research.
Jun Zhu and colleagues from the Division of Spine Surgery, Department of Orthopedics, Daping Hospital of Army Medical University, China investigated the necessity of nonstructural or structural intraarticular bone grafting in atlantoaxial facet joints via a posterior approach and the influence by the presence of basilar invagination (BI).
The authors reviewed patients who underwent posterior atlantoaxial or occipitocervical arthrodesis surgery at one institute. Operation records, preoperative and postoperative clinical status, and radiological films were analyzed.
Thirty-three patients (19 without BI, 14 with BI) underwent posterior facet joint release followed by intraarticular bone grafting were enrolled finally. Twenty-four nonstructural (15 without BI, 9 with BI) and 9 structural (4 without BI, 5 with BI) grafting were performed. The average follow-up was 32.15±6.73 months (24–47 months).
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