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https://www.readbyqxmd.com/read/28420158/intelligent-medical-garments-with-graphene-functionalized-smart-cloth-ecg-sensors
#1
Murat Kaya Yapici, Tamador Elboshra Alkhidir
Biopotential signals are recorded mostly by using sticky, pre-gelled electrodes, which are not ideal for wearable, point-of-care monitoring where the usability of the personalized medical device depends critically on the level of comfort and wearability of the electrodes. We report a fully-wearable medical garment for mobile monitoring of cardiac biopotentials from the wrists or the neck with minimum restriction to regular clothing habits. The wearable prototype is based on elastic bands with graphene functionalized, textile electrodes and battery-powered, low-cost electronics for signal acquisition and wireless transmission...
April 16, 2017: Sensors
https://www.readbyqxmd.com/read/28418209/acupressure-as-adjuvant-treatment-for-the-inpatient-management-of-nausea-and-vomiting-in-early-pregnancy-a-double-blind-randomized-controlled-trial
#2
Aizura-Syafinaz Adlan, Kar Yoke Chooi, Noor Azmi Mat Adenan
AIM: To evaluate the efficacy of acupressure at the Neiguan point (Pericardium [P]6) as adjuvant treatment during inpatient management of severe nausea and vomiting in pregnancy. METHODS: Low risk, spontaneously conceived singleton pregnancies were randomly assigned to a treatment group, who received an acupressure band placed at the Neiguan point (P6) or a placebo group who received an otherwise identical non-stimulating wristband. Participants wore the band for 12 h daily for the first three days of admission...
April 2017: Journal of Obstetrics and Gynaecology Research
https://www.readbyqxmd.com/read/28413931/glucose-variations-and-activity-are-strongly-coupled-in-sleep-and-wake-in-young-adults-with-type-1-diabetes
#3
Sarah S Farabi, David W Carley, Lauretta Quinn
BACKGROUND: Glucose variations are common throughout sleep and wakefulness in people with type 1 diabetes mellitus (T1DM). The objective of this investigation was to characterize the time-varying coupling between glucose and unstructured physical activity over a 60-hr period in young adults with T1DM. The hypothesis was that coupling would differ during sleep versus wakefulness and would exhibit circadian variations. METHOD: Young adults with T1DM treated with an insulin pump participated in the study...
May 2017: Biological Research for Nursing
https://www.readbyqxmd.com/read/28345546/high-resolution-3t-magnetic-resonance-imaging-of-the-triangular-fibrocartilage-complex-in-chinese-wrists-correlation-with-cross-sectional-anatomy
#4
Hui-Li Zhan, Wen-Ting Li, Rong-Jie Bai, Nai-Li Wang, Zhan-Hua Qian, Wei Ye, Yu-Ming Yin
BACKGROUND: The injury of the triangular fibrocartilage complex (TFCC) is a common cause of ulnar-sided wrist pain. The aim of this study was to investigate if the high-resolution 3T magnetic resonance imaging (MRI) could demonstrate the detailed complex anatomy of TFCC in Chinese. METHODS: Fourteen Chinese cadaveric wrists (from four men and three women; age range at death from 30 to 60 years; mean age at 46 years) and forty healthy Chinese wrists (from 20 healthy volunteers, male/female: 10/10; age range from 21 to 53 years with a mean age of 32 years) in Beijing Jishuitan Hospital from March 2014 to March 2016 were included in this study...
April 5, 2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28291150/acquired-constriction-ring-a-case-of-rubber-band-syndrome
#5
Rahel Meier, Luzian Haug, Carsten Surke, Lukas Mathys, Esther Vögelin
Rubber band syndrome is a rare entity seen in younger children mainly in communities where rubber bands are worn around the wrist for decorative purposes. When the band is worn for a long duration, it burrows through the skin and soft tissues resulting in distal edema, loss of function, and even damage to the neurovascular structures. These symptoms are difficult to relate to this rare but typical condition. We report a case of a 2¾-year-old girl with the history of a linear circumferential scar at the right wrist combined with the limited use of a swollen hand for several weeks...
March 13, 2017: Pediatric Emergency Care
https://www.readbyqxmd.com/read/28269575/an-adaptive-model-approach-for-quantitative-wrist-rigidity-evaluation-during-deep-brain-stimulation-surgery
#6
Sofia Assis, Pedro Costa, Maria Jose Rosas, Rui Vaz, Joao Paulo Silva Cunha
Intraoperative evaluation of the efficacy of Deep Brain Stimulation includes evaluation of the effect on rigidity. A subjective semi-quantitative scale is used, dependent on the examiner perception and experience. A system was proposed previously, aiming to tackle this subjectivity, using quantitative data and providing real-time feedback of the computed rigidity reduction, hence supporting the physician decision. This system comprised of a gyroscope-based motion sensor in a textile band, placed in the patients hand, which communicated its measurements to a laptop...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269031/towards-development-of-a-mobile-rf-doppler-sensor-for-continuous-heart-rate-variability-and-blood-pressure-monitoring
#7
Insoo Kim, Yusuf A Bhagat
The standard in noninvasive blood pressure (BP) measurement is an inflatable cuff device based on the oscillometric method, which poses several practical challenges for continuous BP monitoring. Here, we present a novel ultra-wide band RF Doppler radar sensor for next-generation mobile interface for the purpose of characterizing fluid flow speeds, and for ultimately measuring cuffless blood flow in the human wrist. The system takes advantage of the 7.1~10.5 GHz ultra-wide band signals which can reduce transceiver complexity and power consumption overhead...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268400/design-of-a-spring-assisted-exoskeleton-module-for-wrist-and-hand-rehabilitation
#8
Joel C Perry, Shawn Trimble, Luiz Gustavo Castilho Machado, Jeremiah S Schroeder, Aitor Belloso, Cristina Rodriguez-de-Pablo, Thierry Keller
This paper reports on the development of a low-profile exoskeleton module to enable training of the fingers and thumb in grasp and release tasks. The design has been made as an add-on module for use with the ArmAssist arm rehabilitation system (Tecnalia, Spain). Variable-position springs and adjustable link lengths provide adaptability to fit a variety of users. Additive manufacturing has been utilized for the majority of components allowing easy modifications. A few structural components were machined from aluminum or steel to produce a functional prototype with sufficient strength for direct evaluation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28266904/clinical-relevance-of-narrow-band-imaging-in-flexible-cystoscopy-the-dablaca-7-study
#9
Ditte Drejer, Sami Béji, Anna Munk Nielsen, Søren Høyer, Gitte Wrist Lam, Jørgen B Jensen
OBJECTIVE: This multicenter study investigated whether the use of narrow-band imaging (NBI) in flexible cystoscopy could improve diagnostics to a degree where clinical management was relevantly changed. MATERIALS AND METHODS: From May 2014 to June 2015, 955 patients were enrolled at three Danish urological departments. Patients had either hematuria (n = 483) or known recurrent non-muscle-invasive bladder cancer (NMIBC) (n = 472). High-definition (HD) cystoscopy was performed in white light (WL) and a preliminary clinical decision was made...
March 7, 2017: Scandinavian Journal of Urology
https://www.readbyqxmd.com/read/28264522/spectral-analysis-of-acceleration-data-for-detection-of-generalized-tonic-clonic-seizures
#10
Hyo Sung Joo, Su-Hyun Han, Jongshill Lee, Dong Pyo Jang, Joong Koo Kang, Jihwan Woo
Generalized tonic-clonic seizures (GTCSs) can be underestimated and can also increase mortality rates. The monitoring devices used to detect GTCS events in daily life are very helpful for early intervention and precise estimation of seizure events. Several studies have introduced methods for GTCS detection using an accelerometer (ACM), electromyography, or electroencephalography. However, these studies need to be improved with respect to accuracy and user convenience. This study proposes the use of an ACM banded to the wrist and spectral analysis of ACM data to detect GTCS in daily life...
February 28, 2017: Sensors
https://www.readbyqxmd.com/read/28251687/fracture-risk-after-bariatric-surgery-roux-en-y-gastric-bypass-versus-adjustable-gastric-banding
#11
Elaine W Yu, Moa P Lee, Joan E Landon, Katherine G Lindeman, Seoyoung C Kim
The long-term consequences of bariatric surgery on fracture risk are unclear but are likely to vary by procedure type. In physiologic studies, Roux-en-Y gastric bypass (RYGB) and adjustable gastric banding (AGB) have differential effects on rates of bone loss. Therefore, our objective was to compare fracture risk in obese adults after RYGB and AGB procedures. Using claims data from a US commercial health plan, we analyzed rates of nonvertebral fractures within a propensity score-matched cohort (n = 15,032) of morbidly obese adults who received either RYGB or AGB surgery between 2005 and 2013...
March 2, 2017: Journal of Bone and Mineral Research: the Official Journal of the American Society for Bone and Mineral Research
https://www.readbyqxmd.com/read/28227830/an-adaptive-model-approach-for-quantitative-wrist-rigidity-evaluation-during-deep-brain-stimulation-surgery
#12
Sofia Assis, Pedro Costa, Maria Jose Rosas, Rui Vaz, Joao Paulo Silva Cunha, Sofia Assis, Pedro Costa, Maria Jose Rosas, Rui Vaz, Joao Paulo Silva Cunha, Maria Jose Rosas, Joao Paulo Silva Cunha, Sofia Assis, Rui Vaz, Pedro Costa
Intraoperative evaluation of the efficacy of Deep Brain Stimulation includes evaluation of the effect on rigidity. A subjective semi-quantitative scale is used, dependent on the examiner perception and experience. A system was proposed previously, aiming to tackle this subjectivity, using quantitative data and providing real-time feedback of the computed rigidity reduction, hence supporting the physician decision. This system comprised of a gyroscope-based motion sensor in a textile band, placed in the patients hand, which communicated its measurements to a laptop...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28227244/towards-development-of-a-mobile-rf-doppler-sensor-for-continuous-heart-rate-variability-and-blood-pressure-monitoring
#13
Insoo Kim, Yusuf A Bhagat, Insoo Kim, Yusuf A Bhagat, Insoo Kim, Yusuf A Bhagat
The standard in noninvasive blood pressure (BP) measurement is an inflatable cuff device based on the oscillometric method, which poses several practical challenges for continuous BP monitoring. Here, we present a novel ultra-wide band RF Doppler radar sensor for next-generation mobile interface for the purpose of characterizing fluid flow speeds, and for ultimately measuring cuffless blood flow in the human wrist. The system takes advantage of the 7.1~10.5 GHz ultra-wide band signals which can reduce transceiver complexity and power consumption overhead...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28226568/design-of-a-spring-assisted-exoskeleton-module-for-wrist-and-hand-rehabilitation
#14
Joel C Perry, Shawn Trimble, Luiz Gustavo Castilho Machado, Jeremiah S Schroeder, Aitor Belloso, Cristina Rodriguez-de-Pablo, Thierry Keller, Joel C Perry, Shawn Trimble, Luiz Gustavo Castilho Machado, Jeremiah S Schroeder, Aitor Belloso, Cristina Rodriguez-de-Pablo, Thierry Keller, Cristina Rodriguez-De-Pablo, Joel C Perry, Jeremiah S Schroeder, Aitor Belloso, Luiz Gustavo Castilho Machado, Thierry Keller, Shawn Trimble
This paper reports on the development of a low-profile exoskeleton module to enable training of the fingers and thumb in grasp and release tasks. The design has been made as an add-on module for use with the ArmAssist arm rehabilitation system (Tecnalia, Spain). Variable-position springs and adjustable link lengths provide adaptability to fit a variety of users. Additive manufacturing has been utilized for the majority of components allowing easy modifications. A few structural components were machined from aluminum or steel to produce a functional prototype with sufficient strength for direct evaluation...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28203542/robotic-trans-atrial-and-trans-mitral-ventricular-septal-resection
#15
REVIEW
W Randolph Chitwood
Localized ventricular septal hypertrophy, also known as idiopathic hypertrophic subaortic stenosis or idiopathic hypertrophic subaortic septal obstruction (IHSS), can create severe ventricular outflow obstruction. This often results in a high sub-aortic pressure gradient with potentially lethal symptoms. In 1960, Braunwald described the hemodynamic characteristics of IHSS, and thereafter, Morrow developed a trans-aortic approach to resect a large part of the ventricular septum, enlarging the outflow tract. The Morrow operation has remained the gold standard for surgically treating this pathology...
January 2017: Annals of Cardiothoracic Surgery
https://www.readbyqxmd.com/read/28197087/the-association-between-work-related-rumination-and-heart-rate-variability-a-field-study
#16
Mark Cropley, David Plans, Davide Morelli, Stefan Sütterlin, Ilke Inceoglu, Geoff Thomas, Chris Chu
The objective of this study was to examine the association between perseverative cognition in the form of work-related rumination, and heart rate variability (HRV). We tested the hypothesis that high ruminators would show lower vagally mediated HRV relative to low ruminators during their leisure time. Individuals were classified as being low (n = 17) or high ruminators (n = 19), using the affective scale on the work-related rumination measure. HRV was assessed using a wrist sensor band (Microsoft Band 2). HRV was sampled between 8 pm and 10 pm over three workday evenings (Monday to Wednesday) while individuals carried out their normal evening routines...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28166774/highly-wearable-cuff-less-blood-pressure-and-heart-rate-monitoring-with-single-arm-electrocardiogram-and-photoplethysmogram-signals
#17
Qingxue Zhang, Dian Zhou, Xuan Zeng
BACKGROUND: Long-term continuous systolic blood pressure (SBP) and heart rate (HR) monitors are of tremendous value to medical (cardiovascular, circulatory and cerebrovascular management), wellness (emotional and stress tracking) and fitness (performance monitoring) applications, but face several major impediments, such as poor wearability, lack of widely accepted robust SBP models and insufficient proofing of the generalization ability of calibrated models. METHODS: This paper proposes a wearable cuff-less electrocardiography (ECG) and photoplethysmogram (PPG)-based SBP and HR monitoring system and many efforts are made focusing on above challenges...
February 6, 2017: Biomedical Engineering Online
https://www.readbyqxmd.com/read/28161107/exploration-of-force-myography-and-surface-electromyography-in-hand-gesture-classification
#18
Xianta Jiang, Lukas-Karim Merhi, Zhen Gang Xiao, Carlo Menon
Whereas pressure sensors increasingly have received attention as a non-invasive interface for hand gesture recognition, their performance has not been comprehensively evaluated. This work examined the performance of hand gesture classification using Force Myography (FMG) and surface Electromyography (sEMG) technologies by performing 3 sets of 48 hand gestures using a prototyped FMG band and an array of commercial sEMG sensors worn both on the wrist and forearm simultaneously. The results show that the FMG band achieved classification accuracies as good as the high quality, commercially available, sEMG system on both wrist and forearm positions; specifically, by only using 8 Force Sensitive Resisters (FSRs), the FMG band achieved accuracies of 91...
February 1, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28139111/relationship-between-ice-hockey-specific-complex-test-and-maximal-strength-aerobic-capacity-and-postural-regulation-in-professional-players
#19
René Schwesig, Souhail Hermassi, Sebastian Edelmann, Ulrike Thorhauer, Stephan Schulze, Georg Fieseler, Karl S Delank, Roy J Shephard, Mohamed S Chelly
BACKGROUND: We aimed to examine the validity of an ice hockey-specific complex test (IHCT) and nonspecific off-ice tests for sports performance. METHODS: Eighteen professional athletes (27.4 ± 6.0 years) underwent the IHCT, maximal strength squat tests, an endurance cycling test (PWC 170) and posturography during in the first week of the pre-seasonal training. The IHCT included parameters of load (e.g., 10m and 30m sprint, transition and weave agility without and with puck, slap and wrist shots before and after the test)...
January 31, 2017: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/28073339/dermal-safety-assessment-of-arm-hammer-laundry-products-formulated-for-sensitive-skin
#20
Douglas M Frederick, Linda Vorwerk, Archana Gupta, Annahita Ghassemi
CONTEXT: The prevalence of sensitive skin among the general population in industrialized countries is reported to be over 50%. Sensitive skin subjects often report significant reactions to contact with cosmetics, soaps and other consumer products. OBJECTIVE: This paper describes the overall skin compatibility and mildness program for a newly developed, lightly fragranced, colorant free laundry product (i.e. Arm & Hammer™ Sensitive Skin plus Skin-Friendly Fresh Scent), specially formulated for individuals with sensitive skin...
January 11, 2017: Cutaneous and Ocular Toxicology
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