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Laura R Bear, Richard D Walton, Emma Abell, Yves Coudière, Michel Haissaguerre, Olivier Bernus, Rémi Dubois
Background: Non-invasive electrocardiographic imaging (ECGI) is a promising tool to provide high-resolution panoramic imaging of cardiac electrical activity noninvasively from body surface potential measurements. Current experimental methods for ECGI validation are limited to comparison with unipolar electrograms and the relatively low spatial resolution of cardiac mapping arrays. We aim to develop a novel experimental set up combining a human shaped torso tank with high-resolution optical mapping allowing the validation of ECGI reconstructions...
2019: Frontiers in Physiology
Julia Yeung, Davis Catolico, Niko Fullmer, Russell Daniel, Ryan Lovell, Ruiqi Tang, Elise M Pearson, Sheila S Rosenberg
BACKGROUND: Gait monitoring is important for rehabilitation but clinic-based measurements provide a brief snapshot of gait patterns. Many consumer-based activity monitors facilitate continuous gait monitoring in daily life but may be subject to measurement errors. This study examines a novel consumer-based activity monitor that is worn on the feet, and therefore not susceptible to inaccurately detecting upper body movements as gait. OBJECTIVE: To evaluate the clinical validity of Sensoria smart socks, a commercially available wireless gait monitoring technology...
November 21, 2018: PM & R: the Journal of Injury, Function, and Rehabilitation
Sarah S Paul, Lisabeth V Scalzi
Exercise-induced purpura, which has also been called "golfer's purpura," is a phenomenon that has been rarely reported in the pediatric literature. This is the first case series in which this benign vasculopathy, which is most often associated with warm weather and high-impact activity, is described. In this series, we describe 5 patients, most of whom had an erythematous purpuric rash above the sock line that extended to the knees and was associated with warm weather and prolonged activity. Exercise-induced purpura may be mistaken for Henoch-Schönlein purpura or as a manifestation of a possible systemic vasculitis...
March 7, 2019: Pediatrics
Wei Wei Pang, Pei Ting Tan, Shirong Cai, Doris Fok, Mei Chien Chua, Sock Bee Lim, Lynette P Shek, Shiao-Yng Chan, Kok Hian Tan, Fabian Yap, Peter D Gluckman, Keith M Godfrey, Michael J Meaney, Birit F P Broekman, Michael S Kramer, Yap-Seng Chong, Anne Rifkin-Graboi
PURPOSE: To explore the associations between type of milk feeding (the "nutrients") and mode of breast milk feeding (the "nursing") with child cognition. METHODS: Healthy children from the GUSTO (Growing Up in Singapore Toward healthy Outcomes) cohort participated in repeated neurodevelopmental assessments between 6 and 54 months. For "nutrients", we compared children exclusively bottle-fed according to type of milk received: formula only (n = 296) vs some/all breast milk (n = 73)...
February 26, 2019: European Journal of Nutrition
Samuel Valencia Gimenes, Moacir Marocolo, Larissa Neves Pavin, Leandro Mateus Pagoto Spigolon, Octávio Barbosa Neto, Bruno Victor Côrrea da Silva, Rob Duffield, Gustavo Ribeiro da Mota
Gimenes, SV, Marocolo, M, Pavin, LN, Pagoto Spigolon, LM, Neto, OB, Côrrea da Silva, BV, Duffield, R, and Ribeiro da Mota, G. Compression stockings used during two soccer matches improve perceived muscle soreness and high-intensity performance. J Strength Cond Res XX(X): 000-000, 2018-Evidence on the use of compression stockings (CS) during soccer matches is limited. Thus, we evaluated the acute effects of CS on match-based physical performance indicators and perceptual responses during 2 consecutive soccer matches with 72-hour recovery...
February 14, 2019: Journal of Strength and Conditioning Research
Corey Westfall, Ana Lidia Flores-Mireles, John Isaac Robinson, Aaron J L Lynch, Scott Hultgren, Jeffrey P Henderson, Petra Anne Levin
The antimicrobial triclosan is used in a wide range of consumer products ranging from toothpaste, cleansers, socks, and baby toys. A bacteriostatic inhibitor of fatty acid synthesis, triclosan is extremely stable and accumulates in the environment. Approximately 75% of adults in the US have detectable levels of the compound in their urine, with a sizeable fraction of individuals (>10%) having urine concentrations equal to or greater than the minimal inhibitory concentration for Escherichia coli and methicillin-resistant Staphylococcus aureus (MRSA)...
February 19, 2019: Antimicrobial Agents and Chemotherapy
Minglu Zhu, Qiongfeng Shi, Tianyiyi He, Zhiran Yi, Yiming Ma, Bin Yang, Tao Chen, Chengkuo Lee
Wearable devices rely on hybrid mechanisms possess the advantages of establishing a smarter system for healthcare, sports monitoring, and smart home etc. Intimate socks with sensing capabilities can reveal more direct sensory information of body for longer duration in daily life. However, the limitation of suitable materials for smart textile makes the development of multi-functional socks remaining as a grand challenge. In this paper, we have developed a self-powered and self-functional sock (S2-sock) to realize diversified functions including energy harvesting and sensing various physiological signals, i...
February 11, 2019: ACS Nano
I-Cheng Mark Chen, Jin Phang Loh, Cheryl X P Chuah, Qiu Han Christine Gao, Yinxiaohe Sun, Sock Hoon Ng, Wee-Hong Victor Koh, Ee Hui Goh, Xiahong Zhao, Paul Anantharajah Tambyah, Alex R Cook, Jeremiah Chng, Junxiong Pang, Boon-Huan Tan, Vernon J Lee
Background: Few studies have studied relative cross-protection between different groups of viruses through studies of sequential infections in humans. We aimed to investigate presence of short-lived relative cross-protection between specific prior viral infections and subsequent febrile respiratory illness (FRI). Methods: Basic Military Training (BMT) intakes between December 2009 and December 2014 were recruited, with the first FRI as the entry point. ResPlex II assays and real-time PCR assays were used to detect viral pathogens in the samples collected, followed by survival analyses to determine if infection with particular viruses conferred short-lived relative cross-protection against FRI...
February 5, 2019: Journal of Infectious Diseases
Mohammad Iman Mokhlespour Esfahani, Maury A Nussbaum, Zhenyu James Kong
Physical monitoring systems represent potentially powerful assessment devices to detect and describe occupational physical activities. A promising technology for such use is smart textile systems (STSs). Our goal in this exploratory study was to assess the feasibility and accuracy of using two STSs to classify several manual material handling (MMH) tasks. Specifically, commercially-available "smart" socks and a custom "smart" shirt were used individually and in combination. Eleven participants simulated nine separate MMH tasks while wearing the STSs, and task classification accuracy was quantified subsequently using several common models...
February 4, 2019: Ergonomics
Mikko Kylliäinen, Petra Virjonen, Valtteri Hongisto
It has been long recognized that the single-number quantities presented in the standard ISO 717-2 [(2013) International Organization for Standardization] do not correlate especially well with the subjective judgment of living impact sound sources directed to the floors. The aim of this study was to find single-number quantities which are well associated with the subjective annoyance caused by different impact sounds. Experimental data of laboratory measurements of impact sound insulation of floors and a psychoacoustic experiment was used [Kylliäinen et al...
January 2019: Journal of the Acoustical Society of America
(no author information available yet)
No abstract text is available yet for this article.
January 2019: Orthopaedic Nursing
Mary K Welle, Madeline Bliha, Jenna DeLuca, Alayna Frauhiger, Reena Lamichhane-Khadka
BACKGROUND: This is the first study to determine whether nonskid slipper socks in contact with the hospital floor and worn into bed contaminate bed linen. PURPOSE: The main purpose of the study was to determine whether contamination of hospital linen occurred with bacteria transferred from the soles of nonskid slipper socks that have touched the floor. METHODS: This study mimicked real patients walking on a hospital floor wearing slipper socks and getting back into bed with the slipper socks on...
January 2019: Orthopaedic Nursing
Kristin M Sullivan, Alison Poffley, Sheana Funkhouser, Jeffrey Driver, John Ross, Maria Ospina, Antonia M Calafat, Charles B Beard, Avian White, Jo Anne Balanay, Stephanie Richards, Megan Dyer, Thomas N Mather, Steven Meshnick
BACKGROUND: Vector-borne diseases are an important cause of morbidity and mortality in the USA. Effective, convenient prevention methods are needed. Long-lasting permethrin-impregnated (LLPI) clothing can prevent tick bites, however, additional information is needed on the real-world effectiveness and safety of this preventative measure. METHODS: In this pilot study, we recruited state and county park employees from North Carolina to wear LLPI uniforms for three months during the summer of 2016...
January 23, 2019: Parasites & Vectors
Michael S Nirenberg, Elizabeth Ansert, Kewal Krishan, Tanuj Kanchan
Footprints may be present at crime scenes as physical evidence. This pilot study compares two-dimensional measurements of bare and sock-clad footprints to determine if significant differences or similarities exist. Dynamic footprints were collected from 30 males and 20 females between the ages of 20 and 61 years old (mean of 28.2 years) using the Identicator Inkless Shoe Print Model LE 25P system. A midgait protocol was employed for obtaining footprints. The fifth and sixth footprint of gait were collected for the right and left foot, respectively, in both sock-clad and barefoot trials...
January 2019: Science & Justice: Journal of the Forensic Science Society
Abhishek Bhaskaran, Sachin Nayyar, Andreu Porta-Sanchez, Shouvik Haldar, Mahmoud Bokhari, Stephane Masse, Timothy Liang, Nawazish Zehra, Farid Talha, Eugene Downar, Nanthakumar Kumaraswamy
BACKGROUND: Non-invasive electrocardiographic mapping of ventricular tachycardia (VT) and ablation using stereotactic radiotherapy was recently reported. This strategy does not directly evaluate the critical diastolic components and assumes that the epicardial exit site of VT subtends closely over the endocardial mid-diastolic isthmus. OBJECTIVE: To determine if the epicardial exit site of VT spatially corresponds to the critical diastolic components of ischemic scar related VT...
January 6, 2019: Journal of Cardiovascular Electrophysiology
Pui-San Wong, Richard Sutejo, Hui Chen, Sock-Hoon Ng, Richard J Sugrue, Boon-Huan Tan
The poxviruses are large, linear, double-stranded DNA viruses about 130 to 230 kbp, that have an animal origin and evolved to infect a wide host range. Variola virus (VARV), the causative agent of smallpox, is a poxvirus that infects only humans, but other poxviruses such as monkey poxvirus and cowpox virus (CPXV) have crossed over from animals to infect humans. Therefore understanding the biology of poxviruses can devise antiviral strategies to prevent these human infections. In this study we used a system-based approach to examine the host responses to three orthopoxviruses, CPXV, vaccinia virus (VACV), and ectromelia virus (ECTV) in the murine macrophage RAW 264...
December 5, 2018: Viruses
Hui Chen, Jacob Josiah Santiago Alvarez, Sock Hoon Ng, Rasmus Nielsen, Weiwei Zhai
Background: As a dominant seasonal influenza virus, H3N2 virus rapidly evolves in human and is a constant threat to public health. Despite sustained research efforts, the efficacy of H3N2 vaccine has decreased rapidly. Even though antigenic drift and passage adaptation (substitutions accumulated during vaccine production in embryonated eggs) have been implicated in reduced vaccine efficacy, their respective contributions to the phenomenon remain controversial. Methods: We utilized mutational mapping, a powerful probabilistic method of studying sequence evolution, to analyze patterns of substitutions in different passage conditions for an unprecedented amount of H3N2 hemagglutinin sequences (n=32278)...
December 18, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
Alexander M Reyzelman, Kristopher Koelewyn, Maryam Murphy, Xuening Shen, E Yu, Raji Pillai, Jie Fu, Henk Jan Scholten, Ran Ma
BACKGROUND: Over 30 million people in the United States (over 9%) have been diagnosed with diabetes. About 25% of people with diabetes will experience a diabetic foot ulcer (DFU) in their lifetime. Unresolved DFUs may lead to sepsis and are the leading cause of lower-limb amputations. DFU rates can be reduced by screening patients with diabetes to enable risk-based interventions. Skin temperature assessment has been shown to reduce the risk of foot ulceration. While several tools have been developed to measure plantar temperatures, they only measure temperature once a day or are designed for clinic use only...
December 17, 2018: Journal of Medical Internet Research
Ned Brophy-Williams, Matthew W Driller, Cecilia M Kitic, James W Fell, Shona L Halson
OBJECTIVES: To assess the effect of wearing compression socks on immediate and subsequent 5km running time trials, with particular attention to the influences on physiological, perceptual and performance-based parameters. DESIGN: Counter-balanced cross-over experiment. METHODS: Twelve male runners (mean±SD 5km run time 19:29±1:18min:s) each completed two experimental sessions. Sessions consisted of a standardised running warm-up, followed by a 5km time trial (TT1), a one hour recovery period, then a repeat of the warm-up and 5km time trial (TT2)...
January 2019: Journal of Science and Medicine in Sport
Bryce Nicholas Balmain, Neil Tuttle, Joseph Bailey, Katie Cheng, Mitchell Duryea, Josephine Houlihan, James Wotherspoon, Norman Morris
We examined the accuracy of Smart Socks - a device that measures foot pressure during gait for detecting step-count across various walking speeds. Thirty-six participants (17 men; 19 women) wore Smart Socks (Sock), a pedometer (Pedometer), and a smartphone with a commercially available Phone Application (Phone) pedometer to measure step-count during 3-min of treadmill or over-ground walking at 1.3, 2.2, 3.0, 3.8, and 4.7 km/h. Steps were compared to a gold-standard tally-counter (Count), collected by independent assessors...
December 13, 2018: International Journal of Sports Medicine
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