Department of Orthopaedic Surgery, University of Queensland Medical School, Ochsner Clinic, 1514 Jefferson Highway, New Orleans, LA 70121, USA.
Department of Orthopaedic Surgery, University of Louisville School of Medicine, Norton Leatherman Spine Center, 210 East Gray Street, Suite 900, Louisville, KT 40202, USA.
Neurosurg Clin N Am. 2018 Jul;29(3):323-329. doi: 10.1016/j.nec.2018.03.003.
The pelvic incidence defines the amount of lordosis required in the lumbar spine, and a lumbar lordosis within 11° of the pelvic incidence defines alignment of the lumbo-pelvic region. Pelvic tilt is a compensatory mechanism that allows patients to achieve sagittal balance in the setting of decreased lumbar lordosis with the primary compensatory mechanisms being hip extension and knee flexion. Planning an adult lumbar deformity operation requires a comprehensive history and physical examination and thorough radiographic evaluation with the goal of restoring alignment between the pelvic incidence and lumbar lordosis and restoring a normal pelvic tilt.
骨盆入射角定义了腰椎所需的前凸程度，而与骨盆入射角相差 11°以内的腰椎前凸则定义了腰骶区域的排列。骨盆倾斜是一种代偿机制，允许患者在腰椎前凸减少的情况下实现矢状面平衡，其主要代偿机制是髋关节伸展和膝关节屈曲。计划成人腰椎畸形手术需要全面的病史和体格检查以及彻底的影像学评估，目的是恢复骨盆入射角和腰椎前凸之间的排列，并恢复正常的骨盆倾斜度。
