Analysis of Derotational Effect of CDI in Idiopathic Scoliosis

Masayoshi Oga; Tatuoki Mashima; Yasuhalu Nakashima; Yasuo Noguchi; Kazuo Hayashi; Hideya Kawamula; Sachihide Iwamoto; Yoichi Sugioka; Kenichilou Shibata

doi:10.5035/nishiseisai.40.158

Masayoshi Oga, Tatuoki Mashima, Yasuhalu Nakashima, Yasuo Noguchi, Kazuo Hayashi, Hideya Kawamula, Sachihide Iwamoto, Yoichi Sugioka, Kenichilou Shibata

Author information

Masayoshi Oga
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Tatuoki Mashima
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Yasuhalu Nakashima
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Yasuo Noguchi
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Kazuo Hayashi
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Hideya Kawamula
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Sachihide Iwamoto
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Yoichi Sugioka
Department of Orthopedic Surgery, Faculty of Medicine Kyushiu University
Kenichilou Shibata
Hilosima Red Cross Hospital

JOURNAL FREE ACCESS

1991 Volume 40 Issue 1 Pages 158-160

DOI https://doi.org/10.5035/nishiseisai.40.158

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Abstract

The Coerel-Dubousset instrumentation is reported to give a correction of vertebral rotation and reduction in the cosmetic rib hump deformity. The Patients with idiopathic scoliosis were analyzed to evaluate the extent of correction of the vertebral rotation by this instrumentation. Each patients was assessed by standard radiographs and CT slice was made through the apical vertebra. The frontal plane upper curve correction averaged 63%, and thoracic kyphosis changed from an average of 15.2° to 23°.
The mean preoperative apical vertebral rotation was 19.9° and postoperatively it was 15.7°. The average rotational change was 4.5°, or 21.1%.

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