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Experiences with a self developed accelerometer



Experiences with a self developed accelerometer



Ideggyogyaszati Szemle 66(1-2): 29-34



In neurology the objective evaluation of improvement of paresis on every-day practice. The aim of this study was to develop and test a small 3-d acceleration measuring device and validate its usefulness. We collected data from 17 mild and medium severity hemiparetic, bedridden acute ischaemic and hemorrhagic stroke patients and compared with data of 22 control subjects. The devices were attached to the paretic and non-paretic extremities and any movements (m/s2) and movement-durations were registered (24h). The data of movement-monitors were compared also with the changes of National Institute of Health Stroke Scale and European Stroke Scale. The electromyograph-sensor of polysomnograph was used for validation. Mild differences could be found in the use of dominant and non-dominant upper extremities of control persons. The control persons used their upper extremities more frequently than the stroke patients. Our data showed significant correlation with National Institute of Health Stroke Scale. Higher values on the scores were accompanied with less intensive use of extremities. We found a correlation between the consiousness level of patients and their activity of upper extremities. If the patients had severe consiousness disturbances they used significantly less their upper extremities. Our device sensitively detected the movement-differences between paretic and non-paretic extremities and can be used for quantitative evaluation of patient's neurological and consciousness status.

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Accession: 053127201

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PMID: 23607227


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