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TREMOR12: An Open-Source Mobile App for Tremor Quantification.

Submitted by karopka on Wed, 2016/08/10 - 13:37
TitleTREMOR12: An Open-Source Mobile App for Tremor Quantification.
Publication TypeJournal Article
Year of Publication2016
AuthorsKubben, PL, Kuijf, ML, Ackermans, LPCM, Leentjes, AFG
JournalStereotact Funct Neurosurg
Date Published2016

BACKGROUND: Evaluating the effect of treatment of tremor is mostly performed with clinical rating scales. Mobile applications facilitate a more rapid, objective, and quantitative evaluation of treatment effect. Existing mobile apps do not offer raw data access, which limits algorithm development.OBJECTIVE: To develop a novel open-source mobile app for tremor quantification.METHODS: TREMOR12 is an open-source mobile app that samples acceleration, rotation, rotation speed, and gravity, each in 3 axes and time-stamped in a frequency up to 100 Hz. The raw measurement data can be exported as a comma-separated value file for further analysis in the TREMOR12P data processing module. The app was evaluated with 3 patients suffering from essential tremor, who were between 55 and 71 years of age.RESULTS: This proof-of-concept study shows that the TREMOR12 app is able to detect and register tremor characteristics such as acceleration, rotation, rotation speed, and gravity in a simple and nonburdensome way. The app is compatible with current regulatory oversight by the European Union (MEDDEV regulations) and the Food and Drug Administration (FDA) guidance on mobile medical applications.CONCLUSION: TREMOR12 offers low-cost tremor quantification for research purposes and algorithm development, and may help to improve treatment evaluation.

Alternate JournalStereotact Funct Neurosurg
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