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https://www.readbyqxmd.com/read/28324937/data-driven-estimation-of-blood-pressure-using-photoplethysmographic-signals
#1
Shi Chao Gao, Peter Wittek, Li Zhao, Wen Jun Jiang
Noninvasive measurement of blood pressure by optical methods receives considerable interest, but the complexity of the measurement and the difficulty of adjusting parameters restrict applications. We develop a method for estimating the systolic and diastolic blood pressure using a single-point optical recording of a photoplethysmographic (PPG) signal. The estimation is data-driven, we use automated machine learning algorithms instead of mathematical models. Combining supervised learning with a discrete wavelet transform, the method is insensitive to minor irregularities in the PPG waveform, hence both pulse oximeters and smartphone cameras can record the signal...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28323546/understanding-the-relationships-between-mhealth-apps-characteristics-trialability-and-mhealth-literacy
#2
Trisha T C Lin, John Robert Bautista
The widespread adoption of mobile phones has increased the potential of mHealth to improve health communication and health outcomes because these devices could serve as a ubiquitous and affordable means to disseminate health information to large populations. Given that mHealth apps offer free or limited trials as part of promotional strategies, potential users' trialability is a critical step of the preadoption process. Drawing from Rogers' diffusion of innovation theory, this study examines the relationships of adopters' perceived characteristics of mHealth apps (i...
March 21, 2017: Journal of Health Communication
https://www.readbyqxmd.com/read/28302547/feasibility-of-using-mobile-ecg-recording-technology-to-detect-atrial-fibrillation-in-low-resource-settings
#3
Grahame F Evans, Arianna Shirk, Peter Muturi, Elsayed Z Soliman
BACKGROUND: Screening for atrial fibrillation (AF), a major risk factor for stroke that is on the rise in Africa, is becoming increasingly critical. OBJECTIVES: This study sought to examine the feasibility of using mobile electrocardiogram (ECG) recording technology to detect AF. METHODS: In this prospective observational study, we used the Kardia Mobile ECG Recorder (AliveCor, Mountain View, California) to screen 50 African adults (66% women; mean age 54...
March 13, 2017: Global Heart
https://www.readbyqxmd.com/read/28302050/implementation-of-clinical-research-trials-using-web-based-and-mobile-devices-challenges-and-solutions
#4
EDITORIAL
Roy Eagleson, Luis Altamirano-Diaz, Alex McInnis, Eva Welisch, Stefanie De Jesus, Harry Prapavessis, Meghan Rombeek, Jamie A Seabrook, Teresa Park, Kambiz Norozi
BACKGROUND: With the increasing implementation of web-based, mobile health interventions in clinical trials, it is crucial for researchers to address the security and privacy concerns of patient information according to high ethical standards. The full process of meeting these standards is often made more complicated due to the use of internet-based technology and smartphones for treatment, telecommunication, and data collection; however, this process is not well-documented in the literature...
March 17, 2017: BMC Medical Research Methodology
https://www.readbyqxmd.com/read/28300955/prototype-app-for-voice-therapy-a-peer-review
#5
Paula LavaissiƩri, Paulo Eduardo Damasceno Melo
Purpose: Voice speech therapy promotes changes in patients' voice-related habits and rehabilitation. Speech-language therapists use a host of materials ranging from pictures to electronic resources and computer tools as aids in this process. Mobile technology is attractive, interactive and a nearly constant feature in the daily routine of a large part of the population and has a growing application in healthcare. To develop a prototype application for voice therapy, submit it to peer assessment, and to improve the initial prototype based on these assessments...
March 9, 2017: CoDAS
https://www.readbyqxmd.com/read/28295580/specpad-device-independent-nmr-data-visualization-and-processing-based-on-the-novel-dart-programming-language-and-html5-web-technology
#6
Bruno Guigas
SpecPad is a new device-independent software program for the visualization and processing of one- and two-dimensional NMR time domain (FID) and frequency domain (spectrum) data. It is the result of a project to investigate whether the novel programming language DART, in combination with Html5 Web technology, forms a suitable base to write an NMR data evaluation software which runs on modern computing devices such as Android, iOS, and Windows tablets as well as on Windows, Linux, and Mac OS X desktop PCs and notebooks...
March 12, 2017: Magnetic Resonance in Chemistry: MRC
https://www.readbyqxmd.com/read/28293620/mobile-phone-use-among-female-entertainment-workers-in-cambodia-an-observation-study
#7
Carinne Brody, Brent Tatomir, Tuot Sovannary, Khuondyla Pal, Song Mengsrun, Jennifer Dionosio, Minh-Anh Luong, Siyan Yi
BACKGROUND: Text or voice messages containing health behavior change content may be an inexpensive, discreet, sustainable and scalable way to reach populations at high risk for HIV. In Cambodia, one of the important high-risk populations is female entertainment workers (FEWs). This ethnographic study aims to explore typical phone use, examining patterns and behaviors that may influence the design of future mHealth interventions. METHODS: The study consisted of one 8-hour non-participant observation session for 15 randomly sampled FEWs...
2017: MHealth
https://www.readbyqxmd.com/read/28286761/developing-an-app-by-exploiting-web-based-mobile-technology-to-inspect-controlled-substances-in-patient-care-units
#8
Ying-Hao Lu, Li-Yao Lee, Ying-Lan Chen, Hsing-I Cheng, Wen-Tsung Tsai, Chen-Chun Kuo, Chung-Yu Chen, Yaw-Bin Huang
We selected iOS in this study as the App operation system, Objective-C as the programming language, and Oracle as the database to develop an App to inspect controlled substances in patient care units. Using a web-enabled smartphone, pharmacist inspection can be performed on site and the inspection result can be directly recorded into HIS through the Internet, so human error of data translation can be minimized and the work efficiency and data processing can be improved. This system not only is fast and convenient compared to the conventional paperwork, but also provides data security and accuracy...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28283999/a-semantic-based-model-for-triage-patients-in-emergency-departments
#9
Guilherme Wunsch, Cristiano A da Costa, Rodrigo R Righi
Triage is a process performed in an emergency department that aims to sort patients according to their need for care. When performed speedily and correctly, this process can potentially increase the chances of survival for a patient with serious complications. This study aims to develop a computer model, called UbiTriagem, which supports the process of triage using the concepts of web semantics and ubiquitous computing focused on healthcare. For evaluating the proposal, we performed an analysis of scenario-driven triage based on previously determined ratings...
April 2017: Journal of Medical Systems
https://www.readbyqxmd.com/read/28274907/mobile-device-based-electronic-data-capture-system-used-in-a-clinical-randomized-controlled-trial-advantages-and-challenges
#10
Jing Zhang, Lei Sun, Yu Liu, Hongyi Wang, Ningling Sun, Puhong Zhang
BACKGROUND: Electronic data capture (EDC) systems have been widely used in clinical research, but mobile device-based electronic data capture (mEDC) system has not been well evaluated. OBJECTIVE: The aim of our study was to evaluate the feasibility, advantages, and challenges of mEDC in data collection, project management, and telemonitoring in a randomized controlled trial (RCT). METHODS: We developed an mEDC to support an RCT called "Telmisartan and Hydrochlorothiazide Antihypertensive Treatment (THAT)" study, which was a multicenter, double-blinded, RCT, with the purpose of comparing the efficacy of telmisartan and hydrochlorothiazide (HCTZ) monotherapy in high-sodium-intake patients with mild to moderate hypertension during a 60 days follow-up...
March 8, 2017: Journal of Medical Internet Research
https://www.readbyqxmd.com/read/28271066/visual-display-of-5p-arm-and-3p-arm-mirna-expression-with-a-mobile-application
#11
Chao-Yu Pan, Wei-Ting Kuo, Chien-Yuan Chiu, Wen-Chang Lin
MicroRNAs (miRNAs) play important roles in human cancers. In previous studies, we have demonstrated that both 5p-arm and 3p-arm of mature miRNAs could be expressed from the same precursor and we further interrogated the 5p-arm and 3p-arm miRNA expression with a comprehensive arm feature annotation list. To assist biologists to visualize the differential 5p-arm and 3p-arm miRNA expression patterns, we utilized a user-friendly mobile App to display. The Cancer Genome Atlas (TCGA) miRNA-Seq expression information...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28270379/development-and-testing-of-a-mobile-phone-app-for-self-monitoring-of-calcium-intake-in-young-women
#12
Ilona Tay, Suzanne Garland, Alexandra Gorelik, John Dennis Wark
BACKGROUND: Interventions to prevent osteoporosis by increasing dairy intake or physical activity in young women have been limited to increasing osteoporosis knowledge and awareness. However, findings have shown that this does not always lead to a change in behaviors. Self-monitoring using mobile devices in behavioral interventions has yielded significant and positive outcomes. Yet, to our knowledge, mobile self-monitoring has not been used as an intervention strategy to increase calcium intake, particularly in young women, for better bone health outcomes...
March 7, 2017: JMIR MHealth and UHealth
https://www.readbyqxmd.com/read/28269530/blood-hero-an-application-for-encouraging-the-blood-donation-by-applying-gamification
#13
Daniela C L Domingos, Luis F S G Lima, Thiago F Messias, Jose V L Feijo, Anthony A R Diniz, Heliana B Soares
There is a strong need for actions to supply the blood demand in the World. Based on this fact, it was designed an application, named `Blood Hero', by applying the `gamification' concept, which allows users to be rewarded by social acts related to the blood donation. It takes advantage of the application of mobile devices, implementing a specific social network, to attract and retain blood donators. This application makes possible an interaction between users and blood centers, and is being tested aiming at evaluating its acceptance and impact in bloodstocks...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269401/evaluation-of-a-wrist-orthosis-on-lofstrand-crutch-assisted-gait
#14
Deen Farooq, Omid Jahanian, Brooke A Slavens, Elizabeth T Hsiao-Wecksler
Lofstrand, or forearm, crutches are a common assistive mobility device for those with functional impairments. However, repeated loading of the wrist and palmar region and continual hyperextension of the wrist during Lofstrand crutch usage may cause wrist strain, pain, and secondary injuries such as carpal tunnel syndrome. In order to reduce risk of injury, a novel wrist orthosis was developed with the intent of improving wrist posture and reducing/redirecting palmar loads from the carpal tunnel region to the adductor pollicis area...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269256/telemedicine-with-mobile-devices-and-augmented-reality-for-early-postoperative-care
#15
Brent A Ponce, Eugene W Brabston, Shin Zu, Shawna L Watson, Dustin Baker, Dennis Winn, Barton L Guthrie, Mahesh B Shenai
Advanced features are being added to telemedicine paradigms to enhance usability and usefulness. Virtual Interactive Presence (VIP) is a technology that allows a surgeon and patient to interact in a "merged reality" space, to facilitate both verbal, visual, and manual interaction. In this clinical study, a mobile VIP iOS application was introduced into routine post-operative orthopedic and neurosurgical care. Survey responses endorse the usefulness of this tool, as it relates to The virtual interaction provides needed virtual follow-up in instances where in-person follow-up may be limited, and enhances the subjective patient experience...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268941/blood-glucose-level-prediction-based-on-support-vector-regression-using-mobile-platforms
#16
Maximilian P Reymann, Eva Dorschky, Benjamin H Groh, Christine Martindale, Peter Blank, Bjoern M Eskofier
The correct treatment of diabetes is vital to a patient's health: Staying within defined blood glucose levels prevents dangerous short- and long-term effects on the body. Mobile devices informing patients about their future blood glucose levels could enable them to take counter-measures to prevent hypo or hyper periods. Previous work addressed this challenge by predicting the blood glucose levels using regression models. However, these approaches required a physiological model, representing the human body's response to insulin and glucose intake, or are not directly applicable to mobile platforms (smart phones, tablets)...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268880/real-time-respiration-rate-measurement-from-thoracoabdominal-movement-with-a-consumer-grade-camera
#17
Avishek Chatterjee, A P Prathosh, Pragathi Praveena
In this paper, we propose a novel computer vision technique to measure respiration rate by counting the periodic thoracoabdominal motion in real-time using an inexpensive consumer grade camera. We compute the component of optical flow parallel to the image gradient at each pixel, which is a computationally inexpensive operation. Then, we find a principal flow field by gathering information over many frames. Subsequently, in each frame, we compute the component of flow along this principal flow field to capture the thoracoabdominal motion...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268858/method-for-seamless-unlock-function-for-mobile-applications
#18
Ihor Vasyltsov, Changgyu Bak
In this paper there is proposed an approach for seamless unlock security function for mobile application. The method combines the biomedical signals measured from human body and motion signals acquired from the devices. For this purpose a wearable device and a mobile device can be securely synchronized. It is shown that entropy extracted from biomedical ECG signal is comparable to the strength of the PIN-code security, the same time giving the easiness, flexibility, and seamlessness of the usage to the user...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268850/anticoagulation-manager-development-of-a-clinical-decision-support-mobile-application-for-management-of-anticoagulants
#19
Chih-Wen Cheng, Hang Wu, Pamela J Thompson, Julie R Taylor, Barbara A Zehnbauer, Karlyn K Wilson, May D Wang
Patients with certain clotting disorders or conditions have a greater risk of developing arterial or venous clots and downstream embolisms, strokes, and arterial insufficiency. These patients need prescription anticoagulant drugs to reduce the possibility of clot formation. However, historically, the clinical decision making workflow in determining the correct type and dosage of anticoagulant(s) is part science and part art. To address this problem, we developed Anticoagulation Manager, an intelligent clinical decision workflow management system on iOS-based mobile devices to help clinicians effectively choose the most appropriate and helpful follow-up clotting tests for patients with a common clotting profile...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268720/s2ni-a-mobile-platform-for-nutrition-monitoring-from-spoken-data
#20
Niloofar Hezarjaribi, Cody A Reynolds, Drew T Miller, Naomi Chaytor, Hassan Ghasemzadeh
Diet and physical activity are important lifestyle and behavioral factors in self-management and prevention of many chronic diseases. Mobile sensors such as accelerometers have been used in the past to objectively measure physical activity or detect eating time. Diet monitoring, however, still relies on self-recorded data by end users where individuals use mobile devices for recording nutrition intake by either entering text or taking images. Such approaches have shown low adherence in technology adoption and achieve only moderate accuracy...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
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