ArticleNeurospine2025
The Contribution of Paraspinal Sarcopenia on Sagittal Imbalance in Degenerative Kyphosis.
Article in Neurospine, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Digital twin validation and predictive value of delta radiomics based on tabular transformer for synergistic muscle imbalance in lumbar disc degeneration.European spine journal : official publication of the European Spine Society, the European Spinal Deformity Society, and the European Section of the Cervical Spine Research Society · 2026Article
- Associations Between Paraspinal Muscle Degeneration, Trunk Isokinetic Strengths, and Spinopelvic Alignment in Patients Undergoing Lumbar Fusion: A Cross-Sectional Study.Journal of clinical medicine · 2026Article
- Paraspinal muscle degeneration patterns in degenerative spinal deformity: a histological, morphological, and muscle functional comparison.Quantitative imaging in medicine and surgery · 2026Article
- A Commentary on "The Contribution of Paraspinal Sarcopenia on Sagittal Imbalance in Degenerative Kyphosis".Neurospine · 2025Article
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13 authors.
Funding
Abstract
objectiveTo investigate the correlation between paraspinal sarcopenia (PS) and sagittal imbalance (SI) in degenerative kyphosis (DK), and to explore the correlation between paraspinal muscle (PSM) function loss and morphology change in DK.
methodsOne hundred thirty-eight patients with DK and 204 with lumbar spinal stenosis (LSS) were enrolled. The spinopelvic parameters and sagittal vertical axis (SVA) were measured. Patients were divided into the sagittal balance (SB, SVA ≤ 5 cm, n = 61) and SI (SVA > 5 cm, n = 77) groups. Sagittal balanced LSS patients were served as control group. PSM function was evaluated by measuring the maximal voluntary exertion (MVE) and endurance time (ET). Magnetic resonance imaging-derived cross-sectional area (CSA) and fat infiltration rate (FI%) of PSM at T10-L5 were normalized to intervertebral disc CSA. Psoas CSA and FI% were calculated at L3-4 disc level. The correlation assessment using Spearman rank correlation coefficient and multiple linear regression. Logistic regression was used to identify the risk factors of SI.
resultsSignificantly lower ET, MVE, relative CSA (rCSA) and higher rFI% was found in the SI group than in the SB and control. The PS were correlated with spinopelvic parameters and regional kyphosis, while lack of correlation was found between the rFI% and MVE. Logistic regression and Youden index analysis showed ET < 15.5 seconds, MVE < 1.3 N/kg, and rCSA (L1-5) atrophy to be potential risk factors for SI in DK.
conclusionDK patients with SI demonstrate acerbated PS that indicated by significant PSM dysfunction and morphological alterations. We highlight the significance of PSM combined evaluation and revealed that PS plays an indispensable role in the progression of SI, providing novel insights into the underlying sagittal compensatory mechanisms.
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