{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,10]],"date-time":"2026-10-10T17:44:39Z","timestamp":1791654279763,"version":"4.3.4"},"reference-count":25,"publisher":"Public Library of Science (PLoS)","issue":"9","license":[{"start":{"date-parts":[[2023,9,14]],"date-time":"2023-09-14T00:00:00Z","timestamp":1694649600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100004332","name":"Seoul National University Hospital","doi-asserted-by":"publisher","award":["04-2021-0540"],"award-info":[{"award-number":["04-2021-0540"]}],"id":[{"id":"10.13039\/501100004332","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100004917","name":"Doosan Yonkang Foundation","doi-asserted-by":"publisher","award":["800-20210527"],"award-info":[{"award-number":["800-20210527"]}],"id":[{"id":"10.13039\/501100004917","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.plosone.org"],"crossmark-restriction":false},"short-container-title":["PLoS ONE"],"abstract":"<jats:sec id=\"sec001\">\n<jats:title>Background and objectives<\/jats:title>\n<jats:p>Oblique lumbar interbody fusion (OLIF) procedures involve anterior insertion of interbody cage in lateral position. Following OLIF, insertion of pedicle screws and rod system is performed in a prone position (OLIF-con). The location of the cage is important for restoration of lumbar lordosis and indirect decompression. However, inserting the cage at the desired location is difficult without reduction of spondylolisthesis, and reduction after insertion of interbody cage may limit the amount of reduction. Recent introduction of spinal navigation enabled both surgical procedures in one lateral position (OLIF-one). Therefore, reduction of spondylolisthesis can be performed prior to insertion of interbody cage. The objective of this study was to compare the reduction of spondylolisthesis and the placement of cage between OLIF-one and OLIF-con.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec002\">\n<jats:title>Methods<\/jats:title>\n<jats:p>We retrospectively reviewed 72 consecutive patients with spondylolisthesis for this study; 30 patients underwent OLIF-one and 42 underwent OLIF-con. Spinal navigation system was used for OLIF-one. In OLIF-one, the interbody cage was inserted after reducing spondylolisthesis, whereas in OLIF-con, the cage was inserted before reduction. The following parameters were measured on X-rays: pre- and postoperative spondylolisthesis slippage, reduction degree, and the location of the cage in the disc space.<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec003\">\n<jats:title>Results<\/jats:title>\n<jats:p>Both groups showed significant improvement in back and leg pains (p &lt; .05). Transient motor or sensory changes occurred in three patients after OLIF-con and in two patients after OLIF-one. Pre- and postoperative slips were 26.3\u00b17.7% and 6.6\u00b16.2% in OLIF-one, and 23.1\u00b17.0% and 7.4\u00b15.8% in OLIF-con. The reduction of slippage was 74.4\u00b16.3% after OLIF-one and 65.4\u00b15.7% after OLIF-con, with a significant difference between the two groups (p = .04). The cage was located at 34.2\u00b18.9% after OLIF-one and at 42.8\u00b110.3% after OLIF-con, with a significant difference between the two groups (p = .004).<\/jats:p>\n<\/jats:sec>\n<jats:sec id=\"sec004\">\n<jats:title>Conclusion<\/jats:title>\n<jats:p>Switching the sequence of surgical procedures with OLIF-one facilitated both the reduction of spondylolisthesis and the placement of the cage at the desired location.<\/jats:p>\n<\/jats:sec>","DOI":"10.1371\/journal.pone.0291114","type":"journal-article","created":{"date-parts":[[2023,9,14]],"date-time":"2023-09-14T17:27:40Z","timestamp":1694712460000},"page":"e0291114","update-policy":"https:\/\/doi.org\/10.1371\/journal.pone.corrections_policy","source":"Crossref","is-referenced-by-count":8,"title":["Surgical treatment of spondylolisthesis by oblique lumbar interbody fusion and transpedicular screw fixation: Comparison between conventional double position versus navigation-assisted single lateral position"],"prefix":"10.1371","volume":"18","author":[{"given":"Junghoon","family":"Han","sequence":"first","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1396-1583","authenticated-orcid":true,"given":"Chang-Min","family":"Ha","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Woon Tak","family":"Yuh","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Young San","family":"Ko","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jun-Hoe","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tae-Shin","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Chang-Hyun","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sungjoon","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3357-4329","authenticated-orcid":true,"given":"Sun-Ho","family":"Lee","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-1474-8315","authenticated-orcid":true,"given":"Asfandyar","family":"Khan","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3485-2327","authenticated-orcid":true,"given":"Chun Kee","family":"Chung","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-0497-1130","authenticated-orcid":true,"given":"Chi Heon","family":"Kim","sequence":"additional","affiliation":[],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"340","published-online":{"date-parts":[[2023,9,14]]},"reference":[{"key":"pone.0291114.ref001","doi-asserted-by":"crossref","first-page":"1791","DOI":"10.1097\/BRS.0b013e3180bc219e","article-title":"The surgical management of degenerative lumbar spondylolisthesis: a systematic review.","volume":"32","author":"CR Martin","year":"2007","journal-title":"Spine (Phila Pa 1976)."},{"key":"pone.0291114.ref002","first-page":"2","article-title":"Lumbar interbody fusion: techniques, indications and comparison of interbody fusion options including PLIF, TLIF, MI-TLIF, OLIF\/ATP, LLIF and ALIF.","volume":"1","author":"RJ Mobbs","year":"2015","journal-title":"J Spine Surg"},{"key":"pone.0291114.ref003","doi-asserted-by":"crossref","first-page":"S149","DOI":"10.1016\/j.otsr.2019.05.024","article-title":"Anterior lumbar fusion techniques: ALIF, OLIF, DLIF, LLIF, IXLIF.","volume":"106","author":"J Allain","year":"2020","journal-title":"Orthop Traumatol Surg Res"},{"key":"pone.0291114.ref004","doi-asserted-by":"crossref","first-page":"113","DOI":"10.1016\/j.wneu.2016.10.074","article-title":"Oblique lumbar interbody fusion: technical aspects, operative outcomes, and complications.","volume":"98","author":"JXJ Li","year":"2017","journal-title":"World neurosurgery."},{"key":"pone.0291114.ref005","doi-asserted-by":"crossref","first-page":"2843","DOI":"10.1007\/s00586-017-5170-z","article-title":"Do position and size matter? An analysis of cage and placement variables for optimum lordosis in PLIF reconstruction.","volume":"26","author":"PR Landham","year":"2017","journal-title":"Eur Spine J"},{"key":"pone.0291114.ref006","doi-asserted-by":"crossref","first-page":"242","DOI":"10.1186\/s13018-022-03130-4","article-title":"One-stage freehand minimally invasive pedicle screw fixation combined with mini-access surgery through OLIF approach for the treatment of lumbar tuberculosis","volume":"17","author":"W Fan","year":"2022","journal-title":"J Orthop Surg Res"},{"key":"pone.0291114.ref007","first-page":"38","article-title":"Surgical Technique for Simultaneous Oblique Lumbar Interbody Fusion with O-arm Based Spinal Navigation (OLIF-360) and Percutaneous Pedicle Screw Fixation in Patients with Spondylolisthesis Grade II.","volume":"11","author":"Y-S Ko","year":"2021","journal-title":"Journal of Advanced Spine Surgery"},{"key":"pone.0291114.ref008","doi-asserted-by":"crossref","first-page":"862951","DOI":"10.3389\/fbioe.2022.862951","article-title":"The Mismatch Between Bony Endplates and Grafted Bone Increases Screw Loosening Risk for OLIF Patients With ALSR Fixation Biomechanically.","volume":"10","author":"JC Li","year":"2022","journal-title":"Front Bioeng Biotechnol"},{"key":"pone.0291114.ref009","doi-asserted-by":"crossref","first-page":"345","DOI":"10.1177\/028418518802900317","article-title":"Roentgenologic assessment of spondylolisthesis. 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