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目的:总结斜外侧腰椎间融合术(OLIF)治疗腰椎退变性疾病患者术后融合器沉降的发生情况及原因。方法:以“斜外侧腰椎间融合术”“腰椎间融合术”“融合器”“沉降”“并发症”“椎弓根螺钉”“终板损伤”“骨质疏松”“微创融合术”和“oblique lateral interbody fusion”“interlumbar fusion”“cage”“subsidence”“complications”“pedicle screw”“end plate damage”“osteoporosis”“minimally invasive fusion”为中、英文关键词，在中国知网、万方数据库、SinoMed、PubMed等数据库中检索2020年3月之前发表的OLIF在治疗脊柱退变疾病术后融合器沉降发生情况的相关文献856篇，剔除内容不符、无法获取全文、重复性研究或存在设计缺陷的文献，对最终纳入的30篇文献有关融合器沉降的发生情况和原因进行总结、分析。结果:OLIF术后融合器沉降的发生率为4.38%～27.90%。发生融合器沉降的原因主要为缺乏有效的钉棒系统固定、融合器型号选择不佳、各种原因导致的终板损伤、骨质疏松等。结论:OLIF术后融合器沉降的发生情况较高，原因较多，如何采取措施预防融合器沉降仍需进一步探讨。“,”Objective:To summarize the incidence and causes of postoperative fusion device deposition in patients with lumbar degenerative diseases treated by oblique lateral interbody fusion (OLIF).Methods:“斜外侧腰椎间融合术”“腰椎间融合术”“融合器”“沉降”“并发症”“椎弓根螺钉”“终板损伤”“骨质疏松”“微创融合术”and“oblique lateral interbody fusion,”“interlumbar fusion,”“cage,”“subsidence,”“complications,”“pedicle screw,”“end plate damage,”“osteoporosis,”and“minimally invasive fusion”were used as key words for identifying articles about the application of OLIF in the treatment of spinal disorders and with publication dates before March 2020 in CNKI, Wanfang database, SinoMed, and PubMed. A total of 856 articles were searched, of which 29 were finally included after excluding articles that did not conform to the content, repeated studies, studies that have design defects, and articles without available full texts.Results:The incidence of fusion cage settlement after OLIF operation was 4.38%-27.90%. The main reasons for the settlement of the fusion cage are the lack of effective nail and rod system fixation, poor selection of fusion cage type, end plate damage caused by various reasons, and osteoporosis.Conclusions:The incidence of postoperative fusion cage settlement is high in OLIF and caused by many factors. Methods for preventing the settlement of fusion cage should be further explored.