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Wearable recording devices

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https://www.readbyqxmd.com/read/29341881/clinical-implications-of-technological-advances-in-screening-for-atrial-fibrillation
#1
REVIEW
Nikhil Singh, Sung Chun, David Hadley, Victor Froelicher
The incidence of atrial fibrillation (AF) continues to increase worldwide as people live longer. AF is the leading cause of stroke among patients older than 75 years and is responsible for at least 15% of all strokes. Industry has responded to this problem with a plethora of monitoring devices. These include single lead ECG adhesive sensors, implantable loop recorders, smartphone attachments and wearables. This review will concentrate on clinical studies using these technologies. There are wearables including watches and watch-like devices that will be mentioned but these have not been validated for clinical use...
January 13, 2018: Progress in Cardiovascular Diseases
https://www.readbyqxmd.com/read/29330154/novel-wearable-seismocardiography-and-machine-learning-algorithms-can-assess-clinical-status-of-heart-failure-patients
#2
Omer T Inan, Maziyar Baran Pouyan, Abdul Q Javaid, Sean Dowling, Mozziyar Etemadi, Alexis Dorier, J Alex Heller, A Ozan Bicen, Shuvo Roy, Teresa De Marco, Liviu Klein
BACKGROUND: Remote monitoring of patients with heart failure (HF) using wearable devices can allow patient-specific adjustments to treatments and thereby potentially reduce hospitalizations. We aimed to assess HF state using wearable measurements of electrical and mechanical aspects of cardiac function in the context of exercise. METHODS AND RESULTS: Patients with compensated (outpatient) and decompensated (hospitalized) HF were fitted with a wearable ECG and seismocardiogram sensing patch...
January 2018: Circulation. Heart Failure
https://www.readbyqxmd.com/read/29321268/computational-techniques-for-ecg-analysis-and-interpretation-in-light-of-their-contribution-to-medical-advances
#3
REVIEW
Aurore Lyon, Ana Mincholé, Juan Pablo Martínez, Pablo Laguna, Blanca Rodriguez
Widely developed for clinical screening, electrocardiogram (ECG) recordings capture the cardiac electrical activity from the body surface. ECG analysis can therefore be a crucial first step to help diagnose, understand and predict cardiovascular disorders responsible for 30% of deaths worldwide. Computational techniques, and more specifically machine learning techniques and computational modelling are powerful tools for classification, clustering and simulation, and they have recently been applied to address the analysis of medical data, especially ECG data...
January 2018: Journal of the Royal Society, Interface
https://www.readbyqxmd.com/read/29315832/a-valid-and-reliable-method-to-measure-jump-specific-training-and-competition-load-in-elite-volleyball-players
#4
Christopher Skazalski, Rod Whiteley, Clint Hansen, Roald Bahr
PURPOSE: Use of a commercially available wearable device to monitor jump load with elite volleyball players has become common practice. The purpose of this study was to evaluate the validity and reliability of this device, the Vert, to count jumps and measure jump height with professional volleyball players. METHODS: Jump count accuracy was determined by comparing jumps recorded by the device to jumps observed through systematic video analysis of three practice sessions and two league matches performed by a men's professional volleyball team...
January 6, 2018: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/29305441/automated-real-time-detection-of-tonic-clonic-seizures-using-a-wearable-emg-device
#5
Sándor Beniczky, Isa Conradsen, Oliver Henning, Martin Fabricius, Peter Wolf
OBJECTIVE: To determine the accuracy of automated detection of generalized tonic-clonic seizures (GTCS) using a wearable surface EMG device. METHODS: We prospectively tested the technical performance and diagnostic accuracy of real-time seizure detection using a wearable surface EMG device. The seizure detection algorithm and the cutoff values were prespecified. A total of 71 patients, referred to long-term video-EEG monitoring, on suspicion of GTCS, were recruited in 3 centers...
January 5, 2018: Neurology
https://www.readbyqxmd.com/read/29295522/comparison-between-scalp-eeg-and-behind-the-ear-eeg-for-development-of-a-wearable-seizure-detection-system-for-patients-with-focal-epilepsy
#6
Ying Gu, Evy Cleeren, Jonathan Dan, Kasper Claes, Wim Van Paesschen, Sabine Van Huffel, Borbála Hunyadi
A wearable electroencephalogram (EEG) device for continuous monitoring of patients suffering from epilepsy would provide valuable information for the management of the disease. Currently no EEG setup is small and unobtrusive enough to be used in daily life. Recording behind the ear could prove to be a solution to a wearable EEG setup. This article examines the feasibility of recording epileptic EEG from behind the ear. It is achieved by comparison with scalp EEG recordings. Traditional scalp EEG and behind-the-ear EEG were simultaneously acquired from 12 patients with temporal, parietal, or occipital lobe epilepsy...
December 23, 2017: Sensors
https://www.readbyqxmd.com/read/29291239/seizure-forecasting-from-idea-to-reality-outcomes-of-the-my-seizure-gauge-epilepsy-innovation-institute-workshop
#7
Sonya B Dumanis, Jaqueline A French, Christophe Bernard, Gregory A Worrell, Brandy E Fureman
The Epilepsy Innovation Institute (Ei2) is a new research program of the Epilepsy Foundation designed to be an innovation incubator for epilepsy. Ei2 research areas are selected based on community surveys that ask people impacted by epilepsy what they would like researchers to focus on. In their 2016 survey, unpredictability was selected as a top issue regardless of seizure frequency or severity. In response to this need, Ei2 launched the My Seizure Gauge challenge, with the end goal of creating a personalized seizure advisory system device...
November 2017: ENeuro
https://www.readbyqxmd.com/read/29240631/in-vivo-5-day-animal-studies-of-a-compact-wearable-pumping-artificial-lung
#8
Shalv P Madhani, Brian J Frankowski, Sang-Ho Ye, Greg W Burgreen, William R Wagner, Robert Kormos, Jonathan D'Cunha, William J Federspiel
Recent studies show improved outcomes in ambulated lung failure patients. Ambulation still remains a challenge in these patients. This necessitates development of more compact and less cumbersome respiratory support specifically designed to be wearable. The Paracorporeal Ambulatory Assist Lung (PAAL) is being designed for providing ambulatory support in lung failure patients during bridge to transplant or recovery. We previously published in vitro and acute in vivo results of the PAAL. This study further evaluates the PAAL for 5 days...
December 11, 2017: ASAIO Journal: a Peer-reviewed Journal of the American Society for Artificial Internal Organs
https://www.readbyqxmd.com/read/29239175/chemically-designed-metallic-insulating-hybrid-nanostructures-with-silver-nanocrystals-for-highly-sensitive-wearable-pressure-sensors
#9
Haneun Kim, Seung-Wook Lee, Hyungmok Joh, Mingi Seong, Woo Seok Lee, Min Su Kang, Jun Beom Pyo, Soong Ju Oh
With the increase of interest in wearable tactile pressure sensors for e-skin, researches to make nanostructures to achieve high sensitivity have been actively conducted. However, limitations such as complex fabrication processes using expensive equipment still exist. Herein, simple lithography-free techniques to develop pyramid-like metal/insulator hybrid nanostructures utilizing nanocrystals (NCs) are demonstrated. Ligand-exchanged and unexchanged silver NC thin films are used as metallic and insulating components, respectively...
December 14, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29238426/wearable-devices-for-caloric-intake-assessment-state-of-art-and-future-developments
#10
REVIEW
Maria Laura Magrini, Clara Minto, Francesca Lazzarini, Matteo Martinato, Dario Gregori
Background: The self-monitoring of caloric intake is becoming necessary as the number of pathologies related to eating increases. New wearable devices may help people to automatically record energy assumed in their meals. Objective: The present review collects the released articles about wearable devices or method for automatic caloric assessments. Method: A literature research has been performed with PubMed, Google Scholar, Scopus and ClinicalTrials...
2017: Open Nursing Journal
https://www.readbyqxmd.com/read/29237080/cardiopulmonary-coupling-spectrogram-as-an-ambulatory-clinical-biomarker-of-sleep-stability-and-quality-in-health-sleep-apnea-and-insomnia
#11
Robert Joseph Thomas, Christopher Wood, Matt Travis Bianchi
Study Objectives: Ambulatory tracking of sleep and sleep pathology is rapidly increasing with the introduction of wearable devices. The objective of this study was to evaluate a wearable device which used novel computational analysis of the electrocardiogram (ECG), collected over multiple nights, as a method to track the dynamics of sleep quality in health and disease. Methods: This study used the electrocardiogram as a primary signal, a wearable device, the M1, and an analysis of cardiopulmonary coupling to estimate sleep quality...
December 9, 2017: Sleep
https://www.readbyqxmd.com/read/29217503/impact-of-an-electronic-health-record-integrated-personal-health-record-on-patient-participation-in-health-care-development-and-randomized-controlled-trial-of-myhealthkeeper
#12
Borim Ryu, Nari Kim, Eunyoung Heo, Sooyoung Yoo, Keehyuck Lee, Hee Hwang, Jeong-Whun Kim, Yoojung Kim, Joongseek Lee, Se Young Jung
BACKGROUND: Personal health record (PHR)-based health care management systems can improve patient engagement and data-driven medical diagnosis in a clinical setting. OBJECTIVE: The purpose of this study was (1) to demonstrate the development of an electronic health record (EHR)-tethered PHR app named MyHealthKeeper, which can retrieve data from a wearable device and deliver these data to a hospital EHR system, and (2) to study the effectiveness of a PHR data-driven clinical intervention with clinical trial results...
December 7, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/29214596/preparing-for-the-future-of-rare-diseases
#13
Stephen C Groft, Manuel Posada de la Paz
Members of the rare disease community have devoted significant financial and personnel resources to address the numerous issues surrounding rare diseases. The past has been devoted to developing an emphasis on rare diseases including an emphasis on research studies or locating information on rare diseases and the requirements and limitations of conducting clinical trials with small patient populations. The expanded role of patient advocacy organizations and patient engagement in all aspects of clinical research continues to gain acceptance within the research community...
2017: Advances in Experimental Medicine and Biology
https://www.readbyqxmd.com/read/29189666/validity-of-wearable-activity-monitors-during-cycling-and-resistance-exercise
#14
Benjamin D Boudreaux, Edward P Hebert, Daniel B Hollander, Brian M Williams, Corinne L Cormier, Mildred R Naquin, Wynn W Gillan, Emily E Gusew, Robert R Kraemer
INTRODUCTION: The use of wearable activity monitors has seen rapid growth; however, the mode and intensity of exercise could affect validity of heart rate (HR) and caloric (energy) expenditure (EE) readings. There is a lack of data regarding the validity of wearable activity monitors during graded cycling regimen and a standard resistance exercise. The present study determined the validity of eight monitors for HR compared to an ECG and seven monitors for EE compared to a metabolic analyzer during graded cycling and resistance exercise...
November 7, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29164773/recent-advances-in-flexible-stretchable-supercapacitors-for-wearable-electronics
#15
REVIEW
La Li, Zheng Lou, Di Chen, Kai Jiang, Wei Han, Guozhen Shen
The popularization of personalized wearable devices has accelerated the development of flexible/stretchable supercapacitors (SCs) that possess remarkable features of miniaturization, high security, and easy integration to build an all-in-one integrated system, and realize the functions of comfortable, noninvasive and continuous health monitoring, motion records, and information acquisition, etc. This Review presents a brief phylogeny of flexible/stretchable SCs, represented by planar micro-supercapacitors (MSCs) and 1D fibrous SCs...
November 22, 2017: Small
https://www.readbyqxmd.com/read/29140281/non-contact-sensor-for-long-term-continuous-vital-signs-monitoring-a-review-on-intelligent-phased-array-doppler-sensor-design
#16
REVIEW
Travis Hall, Donald Y C Lie, Tam Q Nguyen, Jill C Mayeda, Paul E Lie, Jerry Lopez, Ron E Banister
It has been the dream of many scientists and engineers to realize a non-contact remote sensing system that can perform continuous, accurate and long-term monitoring of human vital signs as we have seen in many Sci-Fi movies. Having an intelligible sensor system that can measure and record key vital signs (such as heart rates and respiration rates) remotely and continuously without touching the patients, for example, can be an invaluable tool for physicians who need to make rapid life-and-death decisions. Such a sensor system can also effectively help physicians and patients making better informed decisions when patients' long-term vital signs data is available...
November 15, 2017: Sensors
https://www.readbyqxmd.com/read/29126580/codebook-based-electrooculography-data-analysis-towards-cognitive-activity-recognition
#17
P Lagodzinski, K Shirahama, M Grzegorzek
With the advancement in mobile/wearable technology, people started to use a variety of sensing devices to track their daily activities as well as health and fitness conditions in order to improve the quality of life. This work addresses an idea of eye movement analysis, which due to the strong correlation with cognitive tasks can be successfully utilized in activity recognition. Eye movements are recorded using an electrooculographic (EOG) system built into the frames of glasses, which can be worn more unobtrusively and comfortably than other devices...
October 28, 2017: Computers in Biology and Medicine
https://www.readbyqxmd.com/read/29114238/long-term-monitoring-gait-analysis-using-a-wearable-device-in-daily-lives-of-patients-with-parkinson-s-disease-the-efficacy-of-selegiline-hydrochloride-for-gait-disturbance
#18
Mutsumi Iijima, Hiroshi Mitoma, Shinichiro Uchiyama, Kazuo Kitagawa
Objective: The aim of this study was to assess quantitatively the gait disorders in the daily lives of patients with Parkinson's disease (PD) using with a newly developed portable gait rhythmogram (PGR), which has a trunk-mounted acceleration sensor and automatic gait-detection algorithm. Methods: Using the PGR, we recorded the daily walking profiles of 14 PD patients before and after the addition or increase in dose of an MAO-B inhibitor (selegiline, average dose: 4...
2017: Frontiers in Neurology
https://www.readbyqxmd.com/read/29078023/designing-metallic-and-insulating-nanocrystal-heterostructures-to-fabricate-highly-sensitive-and-solution-processed-strain-gauges-for-wearable-sensors
#19
Woo Seok Lee, Seung-Wook Lee, Hyungmok Joh, Mingi Seong, Haneun Kim, Min Su Kang, Ki-Hyun Cho, Yun-Mo Sung, Soong Ju Oh
All-solution processed, high-performance wearable strain sensors are demonstrated using heterostructure nanocrystal (NC) solids. By incorporating insulating artificial atoms of CdSe quantum dot NCs into metallic artificial atoms of Au NC thin film matrix, metal-insulator heterostructures are designed. This hybrid structure results in a shift close to the percolation threshold, modifying the charge transport mechanism and enhancing sensitivity in accordance with the site percolation theory. The number of electrical pathways is also manipulated by creating nanocracks to further increase its sensitivity, inspired from the bond percolation theory...
October 27, 2017: Small
https://www.readbyqxmd.com/read/29071387/-ventricular-arrhythmias-what-has-been-confirmed-in-therapy
#20
REVIEW
D Duncker, J Bauersachs, C Veltmann
Ventricular arrhythmias include a wide range of potentially benign single ventricular premature contractions to ventricular tachycardia and ventricular fibrillation with a risk for sudden cardiac death. The diagnosis of ventricular arrhythmia is made by 12-lead electrocardiogram, 24 h Holter monitoring, an external or implantable loop recorder, or during in-hospital monitoring. Especially the diagnosis of wide complex tachycardias is challenging in terms of differentiating between ventricular tachycardia and supraventricular tachycardia with aberrant atrioventricular conduction...
October 25, 2017: Der Internist
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