Is pelvic incidence a constant, as everyone knows? Changes of pelvic incidence in surgically corrected adult sagittal deformity

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• 作者：Jung-Hee Lee ; Ki-Ho Na ; Jin-Hyok Kim ; Ho-Yeon Jeong…
• 关键词：Adult spinal deformity ; Sagittal alignment ; Pelvic incidence ; Lumbar lorodsis ; Spinopelvic alignment
• 刊名：European Spine Journal
• 出版年：2016
• 出版时间：November 2016
• 年：2016
• 卷：25
• 期：11
• 页码：3707-3714
• 全文大小：720 KB
• 刊物类别：Medicine
• 刊物主题：Medicine & Public Health
  Surgical Orthopedics
  Neurosurgery
  
• 出版者：Springer Berlin / Heidelberg
• ISSN：1432-0932
• 卷排序：25

文摘

PurposePrevious investigations have recognized the critical role of pelvic parameters in the setting of a fixed sagittal deformity. Pelvic incidence (PI) is a constant, as everyone knows. However, PI might change reciprocally because of increased shear force on the sacroiliac joint, following surgical correction of fixed lumbar lordosis (LL). The disparity in PI after surgery according to the surgical method, and its impact on final follow-up, has not been reported. This study was undertaken to analyze the disparity of PI before and after surgery, and to evaluate its impact on final sagittal alignment in surgically corrected lordosis when there is immediate postoperative normal alignment following correction of adult sagittal deformity.