Extremely high preoperative C7 slope limits compensatory cervical lordosis after muscle-preserving selective laminectomy
European Spine Journal Apr 26, 2018
Nori S, et al. - Researchers evaluated the impact of an extremely high C7 slope on C2-C7 lordotic compensation following selective laminectomy (SL) in cervical compressive myelopathy patients. They divided the patients into extremely high C7 slope (≥30°) (EH) and non-high C7 slope (<30°) (NH) groups and examined the influence of a high C7 slope on radiological and surgical outcomes. Findings suggested that patients in group EH were older and had highly compensated cervical sagittal alignment preoperatively. An increase in the postoperative cervical sagittal balance mismatch and slightly worse functional recovery was seen. Compensatory cervical lordosis following SL was limited by an extremely high C7 slope.
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