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학술저널
저자정보
이수헌 (양산부산대학교병원) 손동욱 (부산대학교) 배성현 (양산부산대학교병원 신경외과) 이준석 (양산부산대학교병원 신경외과) 김영하 (양산부산대학교병원 신경외과) 성순기 (부산대학교) 이상원 (부산대학교) 송근성 (부산대학교)
저널정보
대한척추신경외과학회 Neurospine Neurospine 제20권 제2호
발행연도
2023.6
수록면
553 - 563 (11page)
DOI
10.14245/ns.2244960.480

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Objective: Conventional oblique lumbar interbody fusion (OLIF) approach is possible from the L2/3 to L4/5 levels. However, obstruction of the lower ribs (10th–12th) makes it diffi cult to maintain disc parallel maneuvers or orthogonal maneuvers. To overcome these limi tations, we proposed an intercostal retroperitoneal (ICRP) approach to access the upper lumbar spine. This method does not expose the parietal pleura or require rib resection and employs a small incision. Methods: We enrolled patients who underwent a lateral interbody procedure on the upper lumbar spine (L1/2/3). We compared the incidence of endplate injury between convention al OLIF and ICRP approaches. In addition, by measuring the rib line, the difference in end plate injury according to rib location and approach was analyzed. We also analyzed the pre vious period (2018–2021) and the year 2022, when the ICRP has been actively applied. Results: A total of 121 patients underwent lateral interbody fusion to the upper lumbar spine (OLIF approach, 99 patients; ICRP approach, 22 patients). Endplate injuries occurred in 34 of 99 (34.3%) and 2 of 22 patients (9.1%) during the conventional and ICRP approach es, respectively (p = 0.037; odds ratio, 5.23). When the rib line was located at the L2/3 disc or L3 body, the endplate injury rate was 52.6% (20 of 38) for the OLIF approach but 15.4% (2 of 13) for the ICRP approach. Since 2022, the proportion of OLIF including L1/2/3 levels has increased 2.9-fold. Conclusion: The ICRP approach is effective in reducing the incidence of endplate injury in patients with a relatively lower rib line, without pleural exposure or rib resection.

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