The Combination of Homocysteine and C-Reactive Protein Predicts the Outcomes of Chinese Patients with Parkinson's Disease and Vascular Parkinsonism
2011

Homocysteine and C-Reactive Protein Levels in Parkinson's Disease

Sample size: 88 publication 10 minutes Evidence: moderate

Author Information

Author(s): Zhang Limin, Yan Junqiang, Xu Yunqi, Long Ling, Zhu Cansheng, Chen Xiaohong, Jiang Ying, Yang Lijuan, Bian Lianfang, Wang Qing

Primary Institution: The Third Affiliated Hospital of Sun Yat-Sen University

Hypothesis

The combination of homocysteine and C-reactive protein levels may predict the outcomes of patients with Parkinson's disease and vascular parkinsonism.

Conclusion

The combination of homocysteine and C-reactive protein may be used to assess the progression of Parkinson's disease and vascular parkinsonism.

Supporting Evidence

  • 100% of patients with PD and VP presented with non-motor symptoms.
  • Significant correlations were found between CRP and UPDRS III in PD patients.
  • Hcy levels were significantly correlated with disease severity in PD patients.

Takeaway

Doctors looked at blood levels of two substances, homocysteine and C-reactive protein, to see if they could help understand how Parkinson's disease and related conditions get worse.

Methodology

A cross-sectional study measuring plasma homocysteine and C-reactive protein levels in patients with Parkinson's disease and vascular parkinsonism.

Potential Biases

Potential bias due to the exclusion of patients with moderate/severe cognitive impairment and those with other neurological disorders.

Limitations

The study had a small sample size and focused mainly on early-stage patients, which may limit the generalizability of the findings.

Participant Demographics

88 patients (43 with Parkinson's disease, 45 with vascular parkinsonism); mean ages 58.9 years for PD and 67.0 years for VP.

Statistical Information

P-Value

p=0.011 for CRP correlation with UPDRS III in PD patients.

Statistical Significance

p<0.05

Digital Object Identifier (DOI)

10.1371/journal.pone.0019333

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