Neurological sciences : official journal of the Italian Neurological Society and of the Italian Society of Clinical Neurophysiology · 2024
Comorbidity of white matter lesions in parkinson's disease: a study on risk factors and phenotypic differences.
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You Zhifei, Ma Shuyu, Xu Hui, Wu Zhonghua, You Zhengchen
Аннотация
BACKGROUND: Comorbidity of white matter lesions (WMLs) in idiopathic Parkinson's disease (PD) is becoming increasingly common.
OBJECTIVE: To analyze the risk factors and phenotypic differences for the occurrence and severity of WMLs in patients with PD.
METHODS: A total of 123 PD patients underwent clinical, laboratory, and magnetic resonance imaging (MRI) evaluations.
RESULTS: PD patients with WMLs were found to have a higher association with age, Modified Hoehn & Yahr stage (H-Y stage), and hypertension. There was a certain correlation between the severity of WMLs and PD phenotypes. 89% of PD patients had periventricular hyperintensities (PVH). Additionally, the score of the modified version of the Scheltens visual rating scale of PVH in the postural instability gait difficulty (PIGD) phenotype of PD was significantly higher than that in the tremor-dominant (TD) phenotype. The Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) scores in the PIGD group were significantly lower than those in the TD group. Furthermore, compared with the TD group, the serum homocysteine level was significantly higher in the PIGD group.
CONCLUSIONS: Age, H-Y stage, and hypertension are independent risk factors for WMLs in PD, and the severity of WMLs is related to the phenotype of PD patients. Our study found that PVH is the most common occurrence of WMLs in Parkinson's disease, and the burden of PVH is significantly higher in the PIGD phenotype compared to the TD phenotype of PD. Additionally, the PIGD phenotype is associated with more severe cognitive decline and elevated homocysteine levels.
OBJECTIVE: To analyze the risk factors and phenotypic differences for the occurrence and severity of WMLs in patients with PD.
METHODS: A total of 123 PD patients underwent clinical, laboratory, and magnetic resonance imaging (MRI) evaluations.
RESULTS: PD patients with WMLs were found to have a higher association with age, Modified Hoehn & Yahr stage (H-Y stage), and hypertension. There was a certain correlation between the severity of WMLs and PD phenotypes. 89% of PD patients had periventricular hyperintensities (PVH). Additionally, the score of the modified version of the Scheltens visual rating scale of PVH in the postural instability gait difficulty (PIGD) phenotype of PD was significantly higher than that in the tremor-dominant (TD) phenotype. The Mini-Mental State Examination (MMSE) and Montreal Cognitive Assessment (MoCA) scores in the PIGD group were significantly lower than those in the TD group. Furthermore, compared with the TD group, the serum homocysteine level was significantly higher in the PIGD group.
CONCLUSIONS: Age, H-Y stage, and hypertension are independent risk factors for WMLs in PD, and the severity of WMLs is related to the phenotype of PD patients. Our study found that PVH is the most common occurrence of WMLs in Parkinson's disease, and the burden of PVH is significantly higher in the PIGD phenotype compared to the TD phenotype of PD. Additionally, the PIGD phenotype is associated with more severe cognitive decline and elevated homocysteine levels.