AI Article Synopsis
- The study aimed to explore spinopelvic alignment characteristics in Parkinson's disease (PD) patients and how they differ from those with spinal deformities, particularly in relation to PD severity.
- It analyzed 48 PD patients with chronic low back pain and compared their spinopelvic alignment to a control group of 50 age- and sex-matched patients with adult spinal deformities (ASD).
- Findings showed that while some measurements like sagittal vertical axis and pelvic incidence were similar, PD patients exhibited increased thoracic kyphosis and decreased lumbar range of motion, indicating a tendency towards a stooped posture associated with severe PD.
Article Abstract
Purpose: The characteristics and pathogenesis of spinopelvic alignment in Parkinsons's disease (PD) patients-including differences compared to non-PD subjects and their relationships with the severity of PD-have not been clarified. The aim of this study was to investigate the characteristics of spinopelvic alignment in patients with PD.
Methods: Forty-eight PD patients complaining of chronic low back pain were included (PD group). The PD condition, determined using the Hoehn and Yahr (H&Y) stage and Unified Parkinson Disease Rating Scale (UPDRS) score; radiographic spinopelvic alignment; lumbar range of motion (ROM); and low back pain-related quality of life assessments were evaluated. Fifty age- and sex-matched patients with adult spinal deformities were included as controls (ASD group).
Results: The spinopelvic alignments of the PD/ASD groups demonstrated sagittal vertical axes of 120.9/106.3 mm and pelvic incidences of 49.7/52.9°, with no significant differences. Conversely, there were significant differences in the thoracic kyphosis (TK; 27.6/16.7°), lumbar lordosis (-22.7/-7.9°), and pelvic tilt (25.3/34.4°) (all, p < 0.05). With regard to correlations with the PD condition, the H&Y stage demonstrated significant correlations with the sagittal vertical axis, thoracolumbar kyphosis, and lumbar ROM (all, p < 0.05), and the UPDRS score tended to correlate with the TK and thoracolumbar kyphosis (both, p < 0.01).
Conclusion: Characteristic spinal conditions in PD exist, with progressed PD condition causing stooped posture with increased thoracic or thoracolumbar kyphosis and decreased lumbar ROM; moreover, global sagittal malalignment progresses without sufficient compensatory mechanisms such as loss of TK and pelvic retroversion.
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| http://dx.doi.org/10.1016/j.jos.2016.09.013 | DOI Listing |
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