{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,22]],"date-time":"2026-06-22T15:09:15Z","timestamp":1782140955801,"version":"3.54.5"},"reference-count":27,"publisher":"SAGE Publications","issue":"8","license":[{"start":{"date-parts":[[2023,6,7]],"date-time":"2023-06-07T00:00:00Z","timestamp":1686096000000},"content-version":"unspecified","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["journals.sagepub.com"],"crossmark-restriction":true},"short-container-title":["Global Spine Journal"],"published-print":{"date-parts":[[2024,11]]},"abstract":"<jats:sec>\n                    <jats:title>Study Design<\/jats:title>\n                    <jats:p>Retrospective analysis of prospectively collected data.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Objectives<\/jats:title>\n                    <jats:p>Isthmic spondylolisthesis (iSPL) occurs most commonly in L5\/S1 and L4\/5. This study investigates the association between spinopelvic anatomy and the pathogenesis of iSPL.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Methods<\/jats:title>\n                    <jats:p>Spinopelvic parameters as well as severity of slip grade were measured in sagittal spine radiographs of symptomatic patients with iSPL in segments L4\/5 and L5\/S1. Means were calculated and differences between both groups were analyzed. A correlation between the analyzed parameters and degree of slippage was performed.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Results<\/jats:title>\n                    <jats:p>We included 73 subjects in this study; 11 in L4\/5 group and 62 in L5\/S1 group. Pelvic anatomy significantly differed between L4\/5 and L5\/S1 iSPL (Pelvic Incidence (PI) 54.8\u00b0 vs 66.3\u00b0, P value = .006; Pelvic Radius (PR) 124.4\u00a0mm vs 137.4\u00a0mm; P value = .005 and Sacral Table Angle (STA) 101.0\u00b0 vs 92.2\u00b0, P value &lt; .001). The relative degree of slippage was significantly higher in the L5\/S1 group (L4\/5 29.1% vs L5\/S1 40.1%, P value .022). We also observed a significant correlation between pelvic anatomy and the severity of the slip in iSPL at the L5\/S1 level.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>Conclusions<\/jats:title>\n                    <jats:p>Pelvic parameters PI and STA play an important role concerning the level of occurrence and severity of iSPL. Spinopelvic anatomy determines the pathogenesis of iSPL.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.1177\/21925682231178206","type":"journal-article","created":{"date-parts":[[2023,6,7]],"date-time":"2023-06-07T07:35:14Z","timestamp":1686123314000},"page":"2311-2316","update-policy":"https:\/\/doi.org\/10.1177\/sage-journals-update-policy","source":"Crossref","is-referenced-by-count":2,"title":["Impact of Individual Spinopelvic Anatomy on the Localization and Severity of Symptomatic Isthmic Spondylolisthesis"],"prefix":"10.1177","volume":"14","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-2767-8327","authenticated-orcid":false,"given":"Kirsten","family":"Labbus","sequence":"first","affiliation":[{"name":"Center for Musculoskeletal Surgery (CMSC), Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Justus","family":"B\u00fcrger","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery (CMSC), Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jannis","family":"L\u00f6chel","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery (CMSC), Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Frederik Maximilian","family":"Sch\u00e4fer","sequence":"additional","affiliation":[{"name":"Institute for Radiology, Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Michael","family":"Putzier","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery (CMSC), Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, Germany"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Robert Karl","family":"Zahn","sequence":"additional","affiliation":[{"name":"Center for Musculoskeletal Surgery (CMSC), Corporate Member of Freie Universit\u00e4t Berlin, Humboldt-Universit\u00e4t zu Berlin, and Berlin Institute of Health, Charit\u00e9 Universit\u00e4tsmedizin Berlin, Berlin, 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