Browsing by Author "Schwingenschuh, Petra"
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Publication Clinical neurophysiology for tremor: Common questions in clinical practice(2025) Schwingenschuh, Petra; Van der Stouwe, Madelein; Pandey, Sanjay; Hirschbichler, Stephanie; Panyakaew, Pattamon; Kojovic, Maja; Mukherjee, Adreesh; Tijssen, Marina AJ.; Merchant, Shabbir Hussain I.; Vial Undurraga, Felipe; MDS Clinical neurophysiology Study groupBackground A thorough history and physical examination may be insufficient for comprehensively studying patients with tremor. In such instances, neurophysiology serves as an adjunct to the physical examination. Objectives Our aim is to present compelling evidence supporting the utilization of neurophysiological studies in various tremor conditions. Methods A panel of global experts, convened by the Study Group on Clinical Neurophysiology for Movement Disorders, examined the application and utility of neurophysiology across diverse movement disorders. Results This manuscript provides a detailed methodology for electrophysiological studies in tremors helping to differentiate them from myoclonus, comparing tremor in parkinson vs atypical parkinsonisms, describing dystonic tremor, describing the differences between Parkinson and essential tremor and the characteristics of functional tremor. Conclusions Neurophysiological studies play a crucial role in characterizing tremor syndromes and aiding in their differentiation from other hyperkinetic movement disorders.Publication Global Perceptions and Utilization of Clinical Neurophysiology in Movement Disorders(2024) Kassavetis, Panagiotis; Chen, Robert; Ganos, Christos; Hallett, Mark; Hamada, Masashi; Latorre, Anna; Pal, Pramod; Schwingenschuh, Petra; Vial Undurraga, Felipe; Tijssen, Marina; Merchant, ShabbirBackground: Clinical neurophysiology (CNP) involves the use of neurophysiological techniques to make an accurate clinical diagnosis, to quantify the severity, and to measure the treatment response. Despite several studies showing CNP to be a useful diagnostic tool in Movement Disorders (MD), its more widespread utilization in clinical practice has been limited. Objectives: To better understand the current availability, global perceptions, and challenges for implementation of diagnostic CNP in the clinical practice of MD. Methods: The International Parkinson and Movement Disorders Society (IPMDS) formed a Task Force on CNP. The Task Force distributed an online survey via email to all the members of the IPMDS between August 5 and 30, 2021. Descriptive statistics were used for analysis of the survey results. Some results are presented by IPMDS geographical sections namely PanAmerican (PAS), European (ES), African (AFR), Asian and Oceanian (AOS). Results: Four hundred and ninety-one IPMDS members (52% males), from 196 countries, responded. The majority of responders from the AFR (65%) and PAS (63%) sections had no formal training in diagnostic CNP (40% for AOS and 37% for ES). The most commonly used techniques are electroencephalography (EEG) (72%) followed by surface EMG (71%). The majority of responders think that CNP is somewhat valuable or very valuable in the assessment of MD. All the sections identified "lack of training" as one of the biggest challenges for diagnostic CNP studies in MD. Conclusions: CNP is perceived to be a useful diagnostic tool in MD. Several challenges were identified that prevent widespread utilization of CNP in MD.