ArticleCureus2025
Influence of Posterior Decompression for Lumbar Spinal Canal Stenosis on Intervertebral Disc Degeneration on Magnetic Resonance Imaging.
Article in Cureus, 2025. 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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The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.
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3 authors.
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Abstract
Introduction Posterior decompression surgery for lumbar spinal canal stenosis (LSCS) is minimally invasive but may cause intervertebral instability and disc degeneration due to the removal of posterior support structures. This study aimed to evaluate the impact of decompression surgery on intervertebral disc degeneration using magnetic resonance imaging (MRI)-based signal ratio (SR) and disc ratio (DR) parameters. Methods Patients who underwent MRI three months to two years after decompression surgery for LSCS were included. Exclusion criteria included decompression at three or more levels, infections, and epidural hematomas. Sixty-three intervertebral discs from 51 patients were analyzed. SR was calculated as the ratio of the T2 signal intensity of the disc to that of the spinal cord, while DR compared the decompressed disc to the T12-L1 disc. Pre and postoperative SR and DR values were compared, and their associations with revision surgery were analyzed using multiple regression. Results Postoperative SR (0.402±0.225) and DR (0.642±0.299) were significantly lower than preoperative values (SR: 0.461±0.223, DR: 0.695±0.276; both
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