{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,7]],"date-time":"2026-10-07T00:50:35Z","timestamp":1791334235377,"version":"4.3.1"},"reference-count":40,"publisher":"Journal of Neurosurgery Publishing Group (JNSPG)","issue":"4","content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2026,10,1]]},"abstract":"<jats:sec>\n                    <jats:title>OBJECTIVE<\/jats:title>\n                    <jats:p>Traditional management of symptomatic lumbar spondylolisthesis (SPL) involves interbody fusion (IBF). However, endoscopic unilateral laminectomy with bilateral decompression (E-ULBD) has emerged as a less invasive alternative with growing evidence of effectiveness. The authors aimed to comprehensively compare outcomes between E-ULBD and IBF in grade 1 lumbar degenerative SPL.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>METHODS<\/jats:title>\n                    <jats:p>The data of patients who underwent E-ULBD or IBF for symptomatic lumbar SPL by a single surgeon during the same period were retrospectively reviewed. Demographics, SPL characteristics, surgical profiles, pain management, patient-reported outcomes, and surgical\/medical complications were analyzed. Surgical complications were classified by location (index vs adjacent level) and analyzed separately from uncomplicated cases.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>RESULTS<\/jats:title>\n                    <jats:p>Eighty-one patients (51 E-ULBD, 30 IBF) were included with a mean follow-up of 43.8 months. E-ULBD demonstrated significantly shorter hospitalization, less blood loss, and fewer medical complications. Index-level surgical complications were comparable (35.3% E-ULBD, 16.7% IBF; p = 0.072), whereas IBF had significantly more adjacent-level complications (20.0% vs 3.9%, p = 0.046), resulting in worse pain and Oswestry Disability Index scores at the final follow-up. In the E-ULBD group, segmental instability and facet violation &gt; 10% were significantly associated with symptomatic SPL progression.<\/jats:p>\n                  <\/jats:sec>\n                  <jats:sec>\n                    <jats:title>CONCLUSIONS<\/jats:title>\n                    <jats:p>For grade 1 lumbar SPL, E-ULBD may provide superior recovery profiles and less clinical burden from complications compared with IBF. Nevertheless, both procedures were associated with surgical complication rates approaching 40%, whereas 60% of uncomplicated cases achieved comparable favorable outcomes. Facet violation &gt; 10% was a significant risk factor for symptomatic SPL progression following E-ULBD.<\/jats:p>\n                  <\/jats:sec>","DOI":"10.3171\/2026.7.focus26274","type":"journal-article","created":{"date-parts":[[2026,9,23]],"date-time":"2026-09-23T00:05:12Z","timestamp":1790121912000},"page":"E3","source":"Crossref","is-referenced-by-count":0,"title":["Comparative and qualitative analysis of endoscopic unilateral laminectomy with bilateral decompression versus interbody fusion in the treatment of grade 1 degenerative lumbar spondylolisthesis"],"prefix":"10.3171","volume":"61","author":[{"given":"Sungjae","family":"An","sequence":"first","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Subum","family":"Lee","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Younggyu","family":"Oh","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jung-Yul","family":"Park","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Junseok W.","family":"Hur","sequence":"additional","affiliation":[{"name":"Department of Neurosurgery, Korea University Anam Hospital, Seoul, Korea"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1754","reference":[{"issue":"1","key":"b1","series-title":"Sci Rep","first-page":"6739","article-title":"Prevalence of lumbar spondylolysis and spondylolisthesis in patients with degenerative spinal disease","volume":"10","author":"Aoki Y","year":"2020","unstructured":"Aoki Y, Takahashi H, Nakajima A,  Prevalence of lumbar spondylolysis and spondylolisthesis in patients with degenerative spinal disease. 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