• Quan Gong and Qingquan Kong.
• Department of Orthopaedics, West China Hospital, Sichuan University, Chengdu Sichuan, 610041, P.R.China.
• Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2013 Sep 1; 27 (9): 1134-7.

ObjectiveTo review the research progress of the risk factors for slip progression and the pathogenesis of lumbosacral spondylolisthesis, and to discuss the value of Spinal Deformity Study Group (SDSG) classification system for lumbosacral spondylolisthesis.MethodsRecent articles about the risk factors for slip progression and the pathogenesis of lumbosacral spondylolisthesis were reviewed and comprehensively analyzed with SDSG classification system of lumbosacral spondylolisthesis.ResultsPelvic incidence (PI) is the key pathogenic factor oflumbosacral spondylolisthesis. The Meyerding grade of slip, PI, sacro-pelvic balance, and spino-pelvic balance not only are the fundamental risk factors of slip progression, but also are the key factors to determine how to treat and influence the prognosis. Therefore, compared with Wiltse, Marchetti-Bartolozzi, and Mac-Thiong-Labelle classification systems oflumbosacral spondylolisthesis, SDSG classification based on these factors mentioned above, has better homogeneity between the subjects of subgroup, and better reliability, moreover, could better guide operative plan and judge the prognosis.ConclusionIt is suggested that the SDSG classification system should be the standard classification for lumbosacral spondylolisthesis for the clinical and research work.

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