Parkinson hastalığında adaptif derin beyin stimülasyonunun bilişsel etkileri: risk olmadan stabilite.

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BackgroundAdaptive deep brain stimulation (aDBS) is a closed-loop system that adjusts stimulation based on patient biomarkers. This study evaluated the cognitive safety of aDBS in Parkinson's disease (PD).MethodsSixteen PD patients with bilateral subthalamic DBS underwent cognitive assessments (attention, language, memory) 6 days post-surgery during an 8 h protocol. Testing occurred at five time points: T1 (aDBS, medication "off"), T2/T4 (aDBS, medication "on"), and T3/T5 (aDBS "on", medication "off"). Four patients followed the same protocol with continuousDBS (cDBS).ResultsResults showed no cognitive fluctuations in aDBS patients (p ≥ 0.110). However, cDBS patients exhibited significant reaction time (RT) variations (p = 0.019), with RTs lower at T1 than T3 (p = 0.011) and T5 (p = 0.021), and at T4 compared to T2 (p = 0.002).ConclusionThese findings suggest that 8 h aDBS may not adversely affect cognitive performance, providing preliminary evidence of its cognitive safety and stability in PD.

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