ArticleNeurosurgery practice2026
Preliminary Clinical and Radiographic Outcomes of the Prone-Angled Transpsoas Approach for Lateral Lumbar Interbody Fusion: A Consecutive Clinical Series.
Article in Neurosurgery practice, 2026. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
BACKGROUND AND
objectivesThe prone-angled transpsoas (PAT) approach is a novel lateral lumbar interbody fusion technique that combines the workflow and sagittal alignment advantages of prone positioning with a navigated angled anterior-to-psoas trajectory. Although technical feasibility has been described, clinical outcomes remain limited. This study reports the preliminary clinical, radiographic, and perioperative outcomes of PAT for degenerative lumbar pathology.
methodsA retrospective consecutive cohort study included 35 patients who underwent PAT at a single institution. Clinical outcomes included visual analog scale (VAS) scores for back and leg pain and Oswestry Disability Index. Radiographic outcomes included lumbar lordosis (LL) and segmental lordosis. Perioperative variables and complications were recorded. Preoperative and postoperative outcomes were compared using paired
resultsThirty-five patients underwent PAT with placement of 63 interbody cages. The mean age was 68.3 ± 9.4 years, and the mean follow-up was 386.6 days. VAS leg pain decreased from 7.0 ± 2.2 to 1.6 ± 1.4 (n = 31), VAS back pain from 7.2 ± 1.6 to 2.1 ± 1.9 (n = 31), and the Oswestry Disability Index from 63.4 ± 14.8 to 25.8 ± 13.0 (n = 25; all
conclusionIn this preliminary clinical series, PAT was associated with significant improvements in pain, disability, and LL. Transient approach-related symptoms occurred, whereas no permanent neurological or vascular injuries were observed. These early findings support the feasibility of PAT and warrant larger comparative studies to characterize its safety, efficacy, and durability relative to established lateral lumbar interbody fusion approaches.
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