{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,19]],"date-time":"2026-05-19T05:06:01Z","timestamp":1779167161760,"version":"3.51.4"},"reference-count":23,"publisher":"SAGE Publications","issue":"3","license":[{"start":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T00:00:00Z","timestamp":1762128000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.sagepub.com\/page\/policies\/text-and-data-mining-license"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["HSS Journal\u00ae: The Musculoskeletal Journal of Hospital for Special Surgery"],"published-print":{"date-parts":[[2026,6]]},"abstract":"<jats:sec>\n                    <jats:title>Background:<\/jats:title>\n                    <jats:p>Studies have shown that various types of spine surgery can be a contributing factor in bone loss, but the influence of lateral lumbar interbody fusion (LIF) on postoperative bone loss remains unclear.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Purpose:<\/jats:title>\n                    <jats:p>We sought to investigate the influence of spine surgery, measured by quantitative computed tomography (QCT), on the adjacent vertebrae, and to evaluate the bone loss between stand-alone LIF (SA-LIF) and LIF supplemented with posterior pedicle screw-rod fixation (360\u00b0 constructs).<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods:<\/jats:title>\n                    <jats:p>We conducted a retrospective review of the records of patients who underwent SA-LIF and 360\u00b0 constructs between 2016 and 2024. Inclusion criteria were (1) the interval between surgery and the secondary CT was 2 to 12\u2009months; (2) the interval between the preoperative and postoperative CT was a minimum of 2\u2009months; (3) the patient did not undergo additional spine surgery between those 2 CT scans; and (4) volumetric bone mineral density (vBMD) measurements of 1 level above the upper vertebra (UV+1) were possible in all cases. We excluded levels with a corpectomy, planned staged surgery, more than 4 levels of fusion, and poor QCT imaging quality. Postoperative changes in vBMD in the vertebrae at UV+1, UV+2, and 1 level below the lower vertebra (LV\u22121) were measured. Pre- and postoperative vBMDs were compared. Postoperative vBMD changes were also compared between the 2 groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results:<\/jats:title>\n                    <jats:p>Out of 191 patients who underwent the anterior or lateral interbody fusion in the specified time period, 72 patients met our inclusion criteria (36 SA-LIF; 63.3\u2009\u00b1\u200915.1\u2009years, 36 360\u00b0 constructs; 58.6\u2009\u00b1\u200911.3\u2009years). UV+1 and UV+2 showed significant decreases in the SA-LIF group, and UV+2 and LV\u22121 decreased significantly in the 360\u00b0 group. In the ANCOVA adjusted for age, the percent change in vBMD at each adjacent level showed no significant difference between the 2 groups.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusion:<\/jats:title>\n                    <jats:p>Both SA-LIF and 360\u00b0construct surgeries negatively affected the postoperative vBMD values at adjacent levels. There was no statistically significant difference in bone loss between the 2 groups, suggesting that additional surgical invasiveness caused by screw insertion may not affect the severity of postoperative bone loss.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Level of Evidence:<\/jats:title>\n                    <jats:p>Level III: retrospective cohort study.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/15563316251383476","type":"journal-article","created":{"date-parts":[[2025,11,3]],"date-time":"2025-11-03T11:19:11Z","timestamp":1762168751000},"page":"296-303","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":0,"title":["Postoperative Decrease in Volumetric Bone Mineral Density in Patients Undergoing Anterior or Lateral Lumbar Interbody Fusion: Stand-Alone Versus 360\u00b0 Constructs"],"prefix":"10.1177","volume":"22","author":[{"given":"Koki","family":"Tsuchiya","sequence":"first","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"},{"name":"Department of Orthopaedic Surgery, Showa University School of Medicine, Shinagawa, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ichiro","family":"Okano","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"},{"name":"Department of Orthopaedic Surgery, Showa University School of Medicine, Shinagawa, Tokyo, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ali E.","family":"Guven","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Erika","family":"Chiapparelli","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul","family":"Kohli","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Jan","family":"Hambrecht","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-5185-4482","authenticated-orcid":false,"given":"Gisberto","family":"Evangelisti","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Marco D.","family":"Burkhard","sequence":"additional","affiliation":[{"name":"Spine Care Institute, Hospital for Special Surgery, New York, NY, 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