Introduction: Idiopathic blepharospasm is a clinically heterogeneous form of focal dystonia, also associated with psychiatric symptoms. The identification of the most relevant sets of motor and psychiatric manifestations may help better understand the specific phenomenology of the condition and delineate blepharospasm subtypes more accurately.
Methods: Patients with idiopathic blepharospasm were from the Dystonia Coalition project.
Objective: This systematic review and meta-analysis aimed to compare the efficacy and safety of deep brain stimulation (DBS) targeting subthalamic nucleus (STN) versus the globus pallidus internus (GPI) in the treatment of dystonia.
Methods: A comprehensive search strategy was implemented up to July 2024, across five databases, identifying studies relevant to STN-DBS and GPI-DBS in dystonia. Eligibility criteria included randomized controlled trials (RCTs) and observational studies comparing the two interventions.
Subtyping Parkinson's disease with mild cognitive impairment (PD-MCI) could improve clinical trial design and personalized treatments. Cholinergic nucleus 4 (Ch4) volume has been linked to cognitive impairment severity and future decline in PD. This study investigates whether PD-MCI patients with MRI evidence of Ch4 degeneration have distinct clinical profiles and cognitive trajectories.
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