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Coronal plane spinal malalignment and Parkinson's disease: prevalence and associations with disease severity

 Hong June Choi  ;  Justin S. Smith  ;  Christopher I. Shaffrey  ;  Virginie C. Lafage  ;  Frank J. Schwab  ;  Christopher P. Ames  ;  Morio Matsumoto  ;  Jong Sam Baik  ;  Yoon Ha 
 SPINE JOURNAL, Vol.15(1) : 115-121, 2015 
Journal Title
Issue Date
Middle Aged ; Parkinson Disease/diagnosis ; Parkinson Disease/epidemiology* ; Posture/physiology* ; Prevalence ; Prospective Studies ; Radiography ; Scoliosis/diagnosis ; Scoliosis/epidemiology* ; Severity of Illness Index ; Sex Factors ; Spine/diagnostic imaging*
Parkinson's disease ; Pelvic parameters ; Pelvic tilt ; SVA ; Sagittal alignment ; Spinal deformity
BACKGROUND CONTEXT: Parkinson's disease (PD) is a progressive degenerative disorder of the central nervous system. Patients with PD often present with abnormal posturing. PURPOSE: To investigate coronal plane deformities in patients with PD, and to evaluate the correlation between clinical features, coronal parameters related to spine alignment, and disease severity. STUDY DESIGN: A cross-sectional study. PATIENT SAMPLE: Eighty-nine patients with PD and 89 controls were included. OUTCOME MEASURES: A medical history was collected from the medical records. METHODS: This study was a prospective assessment of consecutive patients with PD. Clinical and demographic parameters were collected from medical records and outpatient interviews. Full-length standing anteroposterior and lateral spine radiographs were used to assess the spinal parameters. The threshold for scoliosis was set at a 10° Cobb angle, and the curve type was classified using Schwab classification. RESULTS: A total of 178 patients (89 in PD and 89 in control groups) were included. Scoliosis was identified in 27 patients (30%) and 22 controls (p=.502). However, coronal imbalance was more common in patients with PD than in controls (11 vs. 0 patients, p=.001). Scoliosis was more common in women than in men (male:female=8:19, p=.04). Back pain was more common in patients with scoliosis than in those without scoliosis (14 of 27 vs. 17 of 62, p=.036). Schwab Type IV (thoracolumbar major) was the most common type of scoliosis in patients with PD and Type V (lumbar major) was the most common type in controls. With adjustment for patient age and gender, multiple linear regression analysis revealed that severity of PD (Unified Parkinson's Disease Rating Scale, p=.037) and magnitude of global coronal malalignment (p=.003) were associated with the scoliosis Cobb angle (p=.037, B=0.139). Direction of scoliosis and side of global coronal malalignment were not significantly correlated with the laterality of predominant PD symptoms (p>.05). CONCLUSIONS: Global coronal malalignment is more prevalent in patients with PD than in controls. Greater severity of PD was significantly associated with greater magnitude of scoliosis Cobb angle, even after adjusting for the effects of patient age and gender. However, direction of scoliosis and side of global coronal malalignment were not significantly associated with the dominant laterality of PD symptoms.
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1. College of Medicine (의과대학) > Dept. of Neurosurgery (신경외과학교실) > 1. Journal Papers
Yonsei Authors
Choi, Hong Jun(최홍준)
Ha, Yoon(하윤)
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