@article{oai:twinkle.repo.nii.ac.jp:00018112, author = {笹野, 久左子 and 大貫, 恭正 and 笹野, 進 and 村杉, 雅秀 and 新田, 澄郎}, issue = {9}, journal = {東京女子医科大学雑誌}, month = {Sep}, note = {The thorax correction efficacy of sterno-costal elevation was compared to the length of resected costal cartilage, the computed tomography (CT) index for the chest, and the patient's clinical classification. Fifty-two patients were selected from the 520 cases that have undergone sterno-costal elevation for pectus excavatum in our department between July 1987 and December 1996. Preoperative CT indices showed a negative correlation with the length of the resected fifth, sixth, and seventh costal cartilages. Body length and body weight showed a positive correlation with the maximum thoracic transverse diameter. We defined the ratio of the length of resected costal cartilage as the length of resected costal cartilage divided by the maximum thoracic transverse diameter. For the fifth, sixth, and seventh costal cartilages the ratio of the length of resected costal cartilage in Grade III subjects was significantly higher than that of Grade II subjects. The change between the preoperative and postoperative CT indices was also larger for subjects with a larger ratio of the length of resected costal cartilages in procedures involving the fifth, sixth, and seventh costal cartilages. These results indicate that the length of resection for the fifth, sixth, and seventh costal cartilages strongly influences the degree of improvement. By examining the clinical classification of a patient and the optimal ratio of the length of resected costal cartilage, the length of costal cartilage that should be resected can be preoperatively determined.}, pages = {565--572}, title = {漏斗胸手術(胸肋挙上術)における切除肋軟骨長と胸郭矯正効果に関する研究}, volume = {70}, year = {2000} }