Turk Neurosurg
Neurosurgical Department of Postgraduate Medical Center, Warsaw, Poland.
Published: April 2019
Aim: To assess the health-related quality of life (HRQoL) with the Parkinson"s Disease Questionnaire 39 (PDQ-39) after unilateral subthalamic deep brain stimulation (STN DBS) and to identify correlations between the changes in UPDRS (Unified Parkinson"s Disease Rating Scale) scores and separate PDQ-39 QoL dimensions and PDQ summary index (SI) score at short-term follow-up (FU1) and long-term follow-up (FU2).
Material And Methods: We evaluated 33 patients with PD after unilateral STN DBS. All patients were assessed at baseline and at FU1 and at FU2. HRQoL levels were determined by applying PDQ-39 and PD progression was evaluated by parts I-IV of the UPDRS.
Results: All dimensions of PDQ-39 as well as PDQ-39 SI score were highly significantly improved at FU1. The same improvements were mostly visible at FU2 except for psychosocial functioning. The PDQ-39 SI score was reduced by 40 % (p < 0.01) at FU1 and by 25 % (p < 0.01) at FU2. A significant reduction between the UPDRS baseline scores and the UPDRS follow-up scores was noticed for medication off and on conditions under unilateral STN DBS. Interestingly, we did not find strong positive correlations between the improvements of the UPDRS scores and individual PDQ-39 dimensions as well as PDQ-39 SI score.
Conclusion: Improvements in PDQ-39 dimensions and PDQ-39 SI score are maintained at FU1 and except for the aspects of psychosocial functioning at FU2. Different correlations between the improvements of separate UPDRS scores on PDQ-39 dimensions require future studies in larger study groups.
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http://dx.doi.org/10.5137/1019-5149.JTN.21607-17.3 | DOI Listing |
Oper Neurosurg (Hagerstown)
September 2024
Department of Neurology, Washington University in St Louis, St Louis, Missouri, USA.
Background And Objectives: Surgical planning is critical to achieve optimal outcome in deep brain stimulation (DBS). The relationship between clinical outcomes and DBS electrode position relative to subthalamic nucleus (STN) is well investigated, but the role of surgical trajectory remains unclear. We sought to determine whether preoperatively planned DBS lead trajectory relates to adequate motor outcome in STN-DBS for Parkinson's disease (PD).
View Article and Find Full Text PDFSleep
January 2025
Department of Neurology, University of Colorado Anschutz Medical Campus, Aurora, CO USA.
Study Objectives: Deep brain stimulation (DBS) of the subthalamic nucleus (STN) may improve sleep dysfunction, a common non-motor symptom of Parkinson disease (PD). Improvement in motor symptoms correlates with DBS-suppressed local field potential (LFP) activity, particularly in the beta frequency (13 - 30 Hz). Although well-characterized in the short term, little is known about the innate progression of these oscillations across the sleep-wake cycle.
View Article and Find Full Text PDFJ Neurosci
January 2025
Institute of Clinical Neuroscience and Medical Psychology, Medical Faculty and University Hospital Düsseldorf, Heinrich Heine University Düsseldorf, 40225 Germany
Recordings from Parkinson's disease (PD) patients typically show strong beta-band oscillations (13-35Hz), which can be modulated by deep brain stimulation (DBS). While high-frequency DBS (>100Hz) ameliorates motor symptoms and reduces beta activity in basal ganglia and motor cortex, the effects of low-frequency DBS (<30Hz) are less clear. Clarifying these effects is relevant for the debate about the role of beta oscillations in motor slowing, which might be causal or epiphenomenal.
View Article and Find Full Text PDFBrain Stimul
January 2025
Center for Mind/Brain Sciences (CIMeC), University of Trento, 38068, Rovereto, Italy. Electronic address:
J Neurol
January 2025
Department of Neurology and Institute of Neurology, Ruijin Hospital, Affiliated with Shanghai Jiao Tong University School of Medicine, 197 Ruijin Er Road, Shanghai, 200025, China.
Background: Bilateral deep brain stimulation (DBS) of subthalamic nucleus (STN) has demonstrated efficacy for ameliorating medication-refractory isolated dystonia. Nonetheless, the paucity of evidence regarding its long-term impact on quality-of-life (QoL) necessitates further investigation.
Objectives: This study aimed to elucidate the longitudinal effects of chronic STN stimulation on QoL in patients suffering from isolated dystonia.
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