Summary of Background Data.Compared with conventional open PLIF, mini-open PLIF using a paramedian approach reduces intraoperative hemorrhage and decreases postoperative back pain.

• 综述背景数据：相对于传统的开放式后路腰椎间融合术，微创后路腰椎间融合术采用旁正中入路，减少了术中出血和术后腰痛。