| Objective:Postural deformities in the coronal plane were frequent and disabling complications of PD, which reduces the quality of life of patients. This study aimed to garner greater attention to the PD-related postural trunk deviations in the coronal plane by exploring a method for diagnosis because of the lack of any uniform diagnostic criteria and epidemiological studies. It also aimed to provide correlation data in the Chinese PD patients.Methods:In this study, medical records of all 503 consecutive PD patients who were admitted into the Department of Neurology, the Second Affiliated Hospital Zhejiang University School of Medicine, China, from July 2014 to September 2015, were reviewed. The study recruited 83 PD patients diagnosed with Pisa syndrome (PS). Scoliosis and coronal imbalance were diagnosed accurately by radiographic data, was measured based on full-length standing spine radiographs. The PD patients were compared based on the Cobb angle and coronal balance for several demographic and clinical variables.Results:PD patients with PS had a prevalence of 16.5%. The prevalence of coronal imbalance and scoliosis was 10.34% and 7.75%, respectively. PD patients with PS were older (66.27±8.754 vs 61.91±9.777, P<0.001) and had a more severe disease (%2= 24.245, P<0.001), significantly longer disease duration and treatment duration (5 vs 3, P<0.001; 48 vs 21.5, P<0.001), and reduced quality of life (P=0.039). The most important finding was that the different morphology of the spinal level had an effect on the severity of coronal balance or Cobb angle. The coronal imbalance was associated more with MT; in addition, PT played a smaller role for coronal imbalance.Conclusion:The present study indicated that the postural deformities in the coronal plane were related to the morphology of the spinal level, especially the position of the Cobb angle. To benefit the PD patients with PS, the full-length standing spine radiographs should be performed as early as possible. |
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