ArticleInternational journal of spine surgery2025
Prone Position for Preoperative Planning in Lumbar Endoscopic and Minimally Invasive Fusion Procedures: Insights From a Magnetic Resonance Imaging Study.
Article in International journal of spine surgery, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed.
- Autonomous Frameless Spine Registration and Robot-Assisted Surgery.Orthopaedic surgery · 2026Article
- L5-S1 Anatomic Features Relevant to Minimally Invasive Decompression and Fusion: A Cadaveric and Imaging-Based Study.Diagnostics (Basel, Switzerland) · 2026Article
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Authors and funding
12 authors.
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Abstract
backgroundDifferences in lumbar morphology and nerve root positioning between supine and prone decubitus are poorly analyzed. This study aimed to perform a magnetic resonance imaging (MRI) study to describe lumbar morphology, nerve root, and related structures positioning in the prone position, while comparing with conventional supine MRI, in patients with lumbar symptoms. The second aim was to define safe working zones for lumbar surgical procedures.
methodsThis study was a prospective, single-center, observational study. Fifty patients with persistent low back and/or radicular pain that was unresponsive to conservative treatment were consecutively selected. Supine and prone 3 Tesla MRIs were performed. Two independent researchers performed an imaging analysis of predefined variables.
resultsLumbar lordosis significantly changed from 49.3° in the supine position to 52.1° in the prone position (
conclusionThis study suggests prone positioning may increase global lumbar lordosis, without changing the position of other major anatomical structures. The exiting nerve root positioning can be estimated in relation to foraminal height. These finding may help optimizing planning and minimizing iatrogenic lesions. LEVEL OF EVIDENCE: 3:
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