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Scoliosis and sagittal balance in Parkinson’s disease: analysis of correlations
© Bissolotti et al.; licensee BioMed Central Ltd. 2013
Published: 18 September 2013
Information concerning scoliosis in Parkinson’s disease (PD) and its correlations with sagittal balance (SB) is sparse.
The aim of this study was to describe the prevalence of scoliosis in PD patients and the existing correlations with SB in relation to the spinopelvic morphology.
A total of 48 consecutive PD patients were included: 36 males, 12 females; 70.8±7.6 years; 6.4±4.1 years of disease (YOD); Hoehn Yahr (HY) 2.7±1.2. The clinical assessment included HY score, Pain NRS 0-10 and trunk rotation in bending (ATR). Lumbar lordosis (LL), thoracic kyphosis (TK), scoliosis curves (SC), spinosacral angle (SSA), spinopelvic angle (SPA), pelvic incidence (PI), sacral slope (SS) and pelvic tilt (PT) were radiographically assessed. Patients have been compared according to the presence of SC >10° (PDts) Cobb or the absence of SC (PDns).
Among the study subjects, 47.9% presented a SC larger than 10°, 84% of the patients in PDts presented a thoracolumbar curve, 10% a thoracic curve and 6% a lumbar curve. The cohort did not present differences with PDns about age (71.8±6.0 vs. 69.8±8.8yrs) and YOD (6.1±4.1 vs. 6.6±4.1 years). No differences have been detected for HY score (2.7±1.2 vs. 2.6±1.6) and NRS (29.6±22.6 vs. 19.4±28.1). ATR was higher in PDts (5.6±4.9 vs. 1.3±1.9, p<0.01). TK (46.4±16.1 vs. 46.9±12.1°), LL (46.3±26.9 vs. 49.3±13.9°), SSA (104.8±24.7 vs. 118.6±12.9°) and SPA (152.4±20.3 vs. 153.4±12.5°) were not different (p>0.05). PI (57.8±11.1 vs. 53.9±13.1°) and PT (23.6±13.7 vs. 17.6±8.6°) were slightly but not statistically different, while SS was not (35.3±12.1 vs. 36.0±8.5°).
Conclusions and discussion
The prevalence of scoliosis in PD was higher than previously described by other authors, with the thoracolumbar spine mostly affected. SB was not different between two groups while, in PDts, spinopelvic parameters presented the tendency to have a larger PI and PT.
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