Eighty-two patients were evaluated after cervical laminoplasty to explore measures that could minimize future postoperative axial complaints. Patients were divided into two groups: Group A--severe postoperative axial symptoms, and Group B--mild axial complaints. Japanese Orthopaedic Association outcomes scores were similar for the two groups. Radiologic studies demonstrated greater restriction of range of motion in Group A patients who had undergone longer and more extensive surgical procedures.
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Kawaguchi et al. (1999) studied this question.