RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care

IntroductionDifferential diagnosis of rest tremor (RT) disorders is challenging, often requiring 123I-ioflupane single-photon-emission-computed tomography (DaTscan), an expensive technique not available worldwide. In the current study, we investigated the performance of a new wearable mobile device...

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Main Authors: Jolanda Buonocore, Basilio Vescio, Marida De Maria, Marianna Crasà, Rita Nisticò, Pier P. Arcuri, Giuseppe L. Cascini, Anna Latorre, Aldo Quattrone, Andrea Quattrone
Format: Article
Language:English
Published: Frontiers Media S.A. 2025-01-01
Series:Frontiers in Neurology
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Online Access:https://www.frontiersin.org/articles/10.3389/fneur.2025.1534205/full
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author Jolanda Buonocore
Jolanda Buonocore
Basilio Vescio
Basilio Vescio
Marida De Maria
Marianna Crasà
Rita Nisticò
Pier P. Arcuri
Giuseppe L. Cascini
Giuseppe L. Cascini
Giuseppe L. Cascini
Anna Latorre
Aldo Quattrone
Andrea Quattrone
Andrea Quattrone
author_facet Jolanda Buonocore
Jolanda Buonocore
Basilio Vescio
Basilio Vescio
Marida De Maria
Marianna Crasà
Rita Nisticò
Pier P. Arcuri
Giuseppe L. Cascini
Giuseppe L. Cascini
Giuseppe L. Cascini
Anna Latorre
Aldo Quattrone
Andrea Quattrone
Andrea Quattrone
author_sort Jolanda Buonocore
collection DOAJ
description IntroductionDifferential diagnosis of rest tremor (RT) disorders is challenging, often requiring 123I-ioflupane single-photon-emission-computed tomography (DaTscan), an expensive technique not available worldwide. In the current study, we investigated the performance of a new wearable mobile device termed “RT-ring” in predicting DaTscan result in patients presenting with RT based on rest tremor inertial features.MethodsConsecutive RT patients underwent RT-ring tremor analysis, surface electromyography (sEMG), and DaTscan. The RT-ring is a miniaturized mobile device that uses machine learning based on inertial tremor data to estimate the RT pattern. This electrophysiologic tremor feature has proven to accurately predict DaTscan result. The primary outcome was the RT-ring’s performance in distinguishing patients with and without striatal dopaminergic deficit.ResultsSixty-seven RT patients were enrolled, including 42 patients with striatal dopaminergic deficit and 25 with normal DaTscan. The RT-ring showed 85.0% sensitivity, 90.9% specificity, and 87.9% balanced accuracy in predicting DaTscan result, and demonstrated 96.8% agreement with sEMG in RT pattern classification.ConclusionThe RT-ring is a promising, non-invasive, user-friendly, wearable mobile device for supporting the diagnosis of tremulous Parkinson’s disease in primary care settings, especially in low-income countries with limited access to dopamine imaging.
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spelling doaj-art-139ea41e406e4bcea66f5dd3859beec02025-08-20T02:50:44ZengFrontiers Media S.A.Frontiers in Neurology1664-22952025-01-011610.3389/fneur.2025.15342051534205RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary careJolanda Buonocore0Jolanda Buonocore1Basilio Vescio2Basilio Vescio3Marida De Maria4Marianna Crasà5Rita Nisticò6Pier P. Arcuri7Giuseppe L. Cascini8Giuseppe L. Cascini9Giuseppe L. Cascini10Anna Latorre11Aldo Quattrone12Andrea Quattrone13Andrea Quattrone14Institute of Neurology, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyBiotecnomed S.c.ar.l., Catanzaro, ItalyInstitute of Bioimaging and Complex Biological Systems, IBSBC-CNR, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyInstitute of Radiology, Azienda Ospedaliero-Universitaria Renato Dulbecco, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyNuclear Medicine Unit, Azienda Ospedaliera-Universitaria Dulbecco, Catanzaro, ItalyDepartment of Experimental and Clinical Medicine, Magna Graecia University, Catanzaro, ItalyDepartment of Clinical and Movement Neurosciences, UCL Queen Square Institute of Neurology, University College London, London, United KingdomNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyInstitute of Neurology, Department of Medical and Surgical Sciences, Magna Graecia University, Catanzaro, ItalyNeuroscience Research Center, Magna Graecia University, Catanzaro, ItalyIntroductionDifferential diagnosis of rest tremor (RT) disorders is challenging, often requiring 123I-ioflupane single-photon-emission-computed tomography (DaTscan), an expensive technique not available worldwide. In the current study, we investigated the performance of a new wearable mobile device termed “RT-ring” in predicting DaTscan result in patients presenting with RT based on rest tremor inertial features.MethodsConsecutive RT patients underwent RT-ring tremor analysis, surface electromyography (sEMG), and DaTscan. The RT-ring is a miniaturized mobile device that uses machine learning based on inertial tremor data to estimate the RT pattern. This electrophysiologic tremor feature has proven to accurately predict DaTscan result. The primary outcome was the RT-ring’s performance in distinguishing patients with and without striatal dopaminergic deficit.ResultsSixty-seven RT patients were enrolled, including 42 patients with striatal dopaminergic deficit and 25 with normal DaTscan. The RT-ring showed 85.0% sensitivity, 90.9% specificity, and 87.9% balanced accuracy in predicting DaTscan result, and demonstrated 96.8% agreement with sEMG in RT pattern classification.ConclusionThe RT-ring is a promising, non-invasive, user-friendly, wearable mobile device for supporting the diagnosis of tremulous Parkinson’s disease in primary care settings, especially in low-income countries with limited access to dopamine imaging.https://www.frontiersin.org/articles/10.3389/fneur.2025.1534205/fullrest tremortremor patternwearable deviceRT-ringDaTscanParkinson’s disease
spellingShingle Jolanda Buonocore
Jolanda Buonocore
Basilio Vescio
Basilio Vescio
Marida De Maria
Marianna Crasà
Rita Nisticò
Pier P. Arcuri
Giuseppe L. Cascini
Giuseppe L. Cascini
Giuseppe L. Cascini
Anna Latorre
Aldo Quattrone
Andrea Quattrone
Andrea Quattrone
RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
Frontiers in Neurology
rest tremor
tremor pattern
wearable device
RT-ring
DaTscan
Parkinson’s disease
title RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
title_full RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
title_fullStr RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
title_full_unstemmed RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
title_short RT-ring: a small wearable device for tremulous Parkinson’s disease diagnosis in primary care
title_sort rt ring a small wearable device for tremulous parkinson s disease diagnosis in primary care
topic rest tremor
tremor pattern
wearable device
RT-ring
DaTscan
Parkinson’s disease
url https://www.frontiersin.org/articles/10.3389/fneur.2025.1534205/full
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