Parkinson's Disease Study Reveals Correlation between Brain Structural Characteristics and Early Motor Outcomes after Deep Brain Stimulation

A recent study conducted by researchers at the Fuzong Clinical Medical College of Fujian Medical University has discovered a significant correlation between brain structural characteristics and early motor outcomes after deep brain stimulation (DBS) in patients with Parkinson's disease (PD). The study, published in the journal Quantitative Imaging in Medicine and Surgery, found that patients who received DBS therapy demonstrated a high degree of motor improvement, but the outcomes varied among individuals.

Key Takeaways:

  • The study investigated the correlation between brain structural characteristics and early motor outcomes after DBS in 26 patients with PD.
  • Patients were stratified into a high-improvement group (HMI) and a low-improvement group (LMI) based on a 30% improvement rate in Unified Parkinson's Disease Rating Scale Part III (UPDRS-III) score.
  • Least absolute shrinkage and selection operator (LASSO) regression was applied to identify potential neuroanatomical predictors of response to DBS.
  • The study found that patients who showed significant motor improvement had higher gray-matter volume (GMV) and better white-matter (WM) tract integrity in certain brain regions.
  • The research highlighted the importance of these brain regions in the pathophysiological mechanism of PD and their potential predictive value for DBS motor efficacy.
  • The study offers new perspectives for promoting the individualization of DBS treatment.

Statistics:

  • 26 patients with PD were assessed 3-6 months after surgery according to UPDRS-III score.
  • Patients were stratified into a high-improvement group (HMI; n=19) and a low-improvement group (LMI; n=7) based on a 30% improvement rate.
  • Patients who showed significant motor improvement (P < 0.05) in multivariate logistic regression had higher GMV and better WM microstructure in certain brain regions.

Sources:

  • Correlation between brain structural features and early motor outcomes from deep brain stimulation in patients with Parkinson disease. Quantitative Imaging in Medicine and Surgery, 2025;15(10):9751-9764.
  • NewsRx. New Parkinson's Disease Data Have Been Reported by Researchers at Fuzong Clinical Medical College of Fujian Medical University (Correlation between brain structural features and early motor outcomes from deep brain stimulation in patients with ...). Health & Medicine Week. October 31, 2025; p 1070.