Publications by authors named "Toshichika Takeshima"

Study Design: Prospective clinical study.

Purpose: To determine the optimal posture for instability evaluation using flexion-extension X-ray imaging in patients with lumbar spondylolisthesis.

Overview Of Literature: Currently, flexion-extension X-ray imaging is the most practical approach for the evaluation of lumbar instability.

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Article Synopsis
  • This study reviewed medical charts and radiographic data to compare cervical alignment in patients with cervical spondylotic myelopathy (CSM) measured in sitting versus standing positions with clavicle positioning.
  • Out of 50 patients, results showed that whole-spine lateral radiographs with clavicle positioning led to a significantly lower T1-slope and a higher McGregor angle compared to sitting cervical radiographs, but no significant difference in C0-2 and C2-7 angles.
  • The findings suggest that clavicle positioning can alter head posture, possibly causing patients to tilt their heads upward without changing their cervical alignment; these factors should be considered in surgical planning.
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Background: The incidence of neurological deficits is reportedly low after sacrificing the affected nerve root during spinal schwannoma treatment. Although the incidence has been widely reported, the operative method for nerve root resection has been not clarified. To evaluate the safety of pure nerve root resection, we focused on solitary spinal schwannomas below the thoracolumbar level and investigated the effect of affected nerve resection.

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The objective of the study was to investigate the comorbidity of degenerative spondylolisthesis (DS), in elderly cervical spondylotic myelopathy (CSM) patients in our hospital, and the correlation between surgical results and preoperative DS. There are few studies on the outcome of laminoplasty for CSM with DS. A total of 49 elderly patients (>65 years old) who eventually had surgical treatment for CSM were evaluated.

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Object: The purpose of this study was to investigate the prevalence of developmental canal stenosis in patients with cervical spondylotic myelopathy (CSM), and the correlation between surgical results and degree of developmental canal stenosis.

Methods: A total of 112 patients who eventually had surgical treatment for CSM were evaluated. Male patients whose sagittal spinal diameter was < 14 mm and females whose sagittal diameter was < 13 mm even at one level were classified as having developmental canal stenosis.

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Study Design: A retrospective study comparing cervical laminoplasty with or without muscle release for the treatment of cervical myelopathy resulting from athetoid cerebral palsy.

Objective: To assess the effectiveness of muscle release in the treatment of athetoid cerebral palsy.

Summary Of Background Data: While anterior and/or posterior spinal fusion has been generally accepted as necessary in surgical treatment for cervical myelopathy due to athetoid cerebral palsy, several studies have shown relatively favorable results following laminoplasty.

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Study Design: An analysis of lateral radiographs in the upright, flexion-extension position.

Objectives: To document and define the differences in cervical flexion-extension kinematics as they relate to changes of alignment in upright cervical lordosis.

Summary Of Background Data: No previous study has reported the association between sagittal plane cervical rotation kinematics and changes of alignment in upright cervical lordosis.

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