IEEE J Biomed Health Inform - Complexity index from a personalized wearable monitoring system for assessing remission in mental health.

Tópicos

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Resumo

This study discusses a personalized wearable monitoring system, which provides information and communication technologies to patients with mental disorders and physicians managing such diseases. The system, hereinafter called the PSYCHE system, is mainly comprised of a comfortable t-shirt with embedded sensors, such as textile electrodes, to monitor electrocardiogram-heart rate variability (HRV) series, piezoresistive sensors for respiration activity, and triaxial accelerometers for activity recognition. Moreover, on the patient-side, the PSYCHE system uses a smartphone-based interactive platform for electronic mood agenda and clinical scale administration, whereas on the physician-side provides data visualization and support to clinical decision. The smartphone collects the physiological and behavioral data and sends the information out to a centralized server for further processing. In this study, we present experimental results gathered from ten bipolar patients, wearing the PSYCHE system, with severe symptoms who exhibited mood states among depression (DP), hypomania(HM), mixed state (MX), and euthymia (EU), i.e., the good affective balance. In analyzing more than 400 h of cardiovascular dynamics, we found that patients experiencing mood transitions from a pathological mood state (HM, DP, or MX-where depressive and hypomanic symptoms are simultaneously present) to EU can be characterized through a commonly used measure of entropy. In particular, the SampEn estimated on long-term HRV series increases according to the patients' clinical improvement. These results are in agreement with the current literature reporting on the complexity dynamics of physiological systems and provides a promising and viable support to clinical decision in order to improve the diagnosis and management of psychiatric disorders.

Resumo Limpo

studi discuss person wearabl monitor system provid inform communic technolog patient mental disord physician manag diseas system hereinaft call psych system main compris comfort tshirt embed sensor textil electrod monitor electrocardiogramheart rate variabl hrv seri piezoresist sensor respir activ triaxial acceleromet activ recognit moreov patientsid psych system use smartphonebas interact platform electron mood agenda clinic scale administr wherea physiciansid provid data visual support clinic decis smartphon collect physiolog behavior data send inform central server process studi present experiment result gather ten bipolar patient wear psych system sever symptom exhibit mood state among depress dp hypomaniahm mix state mx euthymia eu ie good affect balanc analyz h cardiovascular dynam found patient experienc mood transit patholog mood state hm dp mxwhere depress hypoman symptom simultan present eu can character common use measur entropi particular sampen estim longterm hrv seri increas accord patient clinic improv result agreement current literatur report complex dynam physiolog system provid promis viabl support clinic decis order improv diagnosi manag psychiatr disord

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