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https://www.readbyqxmd.com/read/28432883/sagittal-plane-joint-kinetics-during-stair-ascent-in-patients-with-peripheral-arterial-disease-and-intermittent-claudication
#1
Stephanie L King, Natalie Vanicek, Thomas D O'Brien
Stair negotiation poses a substantial physical demand on the musculoskeletal system and this challenging task can place individuals at risk of falls. Peripheral arterial disease (PAD) can cause intermittent claudication (IC) pain in the calf and results in altered gait mechanics during level walking. However, whether those with PAD-IC adopt alternate strategies to climb stairs is unknown. Twelve participants with PAD-IC (six bilateral and six unilateral) and 10 healthy controls were recruited and instructed to ascend a five-step staircase whilst 3D kinematic data of the lower-limbs were recorded synchronously with kinetic data from force plates embedded into the staircase on steps two and three...
March 28, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28431057/quantitative-analysis-of-pkp2-and-neighbouring-genes-in-a-patient-with-arrhythmogenic-right-ventricular-cardiomyopathy-caused-by-heterozygous-pkp2-deletion
#2
Keiko Sonoda, Seiko Ohno, Sou Otuki, Koichi Kato, Nobue Yagihara, Hiroshi Watanabe, Takeru Makiyama, Tohru Minamino, Minoru Horie
Aims: Arrhythmogenic right ventricular cardiomyopathy (ARVC) is a disease mainly caused by desmosome gene mutations. The genetic culprit, however, remains elusive in ∼50% of ARVC patients. One of the reasons for missing genetic abnormalities is the difficulty in detecting large deletions/duplications, which are called as copy number variation (CNV) by the Sanger sequencing method. This study aimed to identify CNVs in PKP2 and a part of other desmosome genes in ARVC patients. Methods and Results: The study cohort consisted of 71 ARVC probands who were diagnosed as definite or borderline cases based on 2010 Task Force Criteria...
April 1, 2017: Europace: European Pacing, Arrhythmias, and Cardiac Electrophysiology
https://www.readbyqxmd.com/read/28430552/the-inter-association-task-force-document-on-emergency-health-and-safety-best-practice-recommendations-for-youth-sports-leagues
#3
Robert A Huggins, Samantha E Scarneo, Douglas J Casa, Luke N Belval, Kate S Carr, George Chiampas, Michael Clayton, Ryan M Curtis, A J Duffy, Alexandra Flury, Matthew Gammons, Yuri Hosokawa, John F Jardine, Cynthia R LaBella, Rachael Oats, Jack W Ransone, Scott R Sailor, Katie Scott, Rebecca L Stearns, Lesley W Vandermark, Timothy Weston
No abstract text is available yet for this article.
April 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28430550/round-table-on-malignant-hyperthermia-in-physically-active-populations-meeting-proceedings
#4
Yuri Hosokawa, Douglas J Casa, Henry Rosenberg, John F Capacchione, Emmanuel Sagui, Sheila Riazi, Luke N Belval, Patricia A Deuster, John F Jardine, Stavros A Kavouras, Elaine C Lee, Kevin C Miller, Sheila M Muldoon, Francis G O'Connor, Scott R Sailor, Nyamkhishig Sambuughin, Rebecca L Stearns, William M Adams, Robert A Huggins, Lesley W Vandermark
CONTEXT:   Recent case reports on malignant hyperthermia (MH)-like syndrome in physically active populations indicate potential associations among MH, exertional heat stroke (EHS), and exertional rhabdomyolysis (ER). However, an expert consensus for clinicians working with these populations is lacking. OBJECTIVE:   To provide current expert consensus on the (1) definition of MH; (2) history, etiology, and pathophysiology of MH; (3) epidemiology of MH; (4) association of MH with EHS and ER; (5) identification of an MH-like syndrome; (6) recommendations for acute management of an MH-like syndrome; (7) special considerations for physically active populations; and (8) future directions for research...
April 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28428937/intravenous-immunoglobulin-g-in-women-with-reproductive-failure-the-korean-society-for-reproductive-immunology-practice-guidelines
#5
REVIEW
Nayoung Sung, Ae Ra Han, Chan Woo Park, Dong Wook Park, Joon Cheol Park, Na Young Kim, Kyung Sil Lim, Ji Eun Shin, Chang Woo Joo, Seung Eun Lee, Jae Won Kim, Sung Ki Lee
The task force of the Korean Society for Reproductive Immunology recommends intravenous immunoglobulin G treatment in women with reproductive failure, including recurrent pregnancy loss and/or repeated implantation failure, who show cellular immune factors such as abnormal natural killer cell levels, natural killer cell cytotoxicity, and/or type 1 T helper immunity.
March 2017: Clinical and Experimental Reproductive Medicine
https://www.readbyqxmd.com/read/28427905/abdominal-aortic-aneurysm-screening-practices-impact-of-the-2014-u-s-preventive-services-task-force-recommendations
#6
Evan J Zucker, Alexander S Misono, Anand M Prabhakar
PURPOSE: To assess changes in abdominal aortic aneurysm (AAA) ultrasound screening associated with the release of revised U.S. Preventive Services Task Force (USPSTF) recommendations on June 24, 2014. METHODS: All AAA screening ultrasound examinations performed in the Massachusetts General Hospital radiology department in the 15 months before and after the new guidelines were retrospectively reviewed to assess changes in examination volume and appropriateness, demographics, aneurysm detection rate and size at diagnosis, frequency and type of incidental findings, and radiologist recommendations...
April 17, 2017: Journal of the American College of Radiology: JACR
https://www.readbyqxmd.com/read/28427846/vaccines-are-different-a-systematic-review-of-budget-impact-analyses-of-vaccines
#7
REVIEW
Priscilla Magalhaes Loze, Luciana Bertholim Nasciben, Ana Marli Christovam Sartori, Alexander Itria, Hillegonda Maria Dutilh Novaes, Patrícia Coelho de Soárez
INTRODUCTION: Several countries require manufacturers to present a budget impact analysis (BIA), together with a cost-effectiveness analysis, to support national funding requests. However, guidelines for conducting BIA of vaccines are scarce. OBJECTIVES: To analyze the methodological approaches used in published budget impact analysis (BIA) of vaccines, discussing specific methodological issues related to vaccines. MATERIAL AND METHODS: This systematic review of the literature on BIA of vaccines was carried out in accordance with the Centre for Reviews and Dissemination - CRD guidelines...
April 17, 2017: Vaccine
https://www.readbyqxmd.com/read/28425947/deep-count-fruit-counting-based-on-deep-simulated-learning
#8
Maryam Rahnemoonfar, Clay Sheppard
Recent years have witnessed significant advancement in computer vision research based on deep learning. Success of these tasks largely depends on the availability of a large amount of training samples. Labeling the training samples is an expensive process. In this paper, we present a simulated deep convolutional neural network for yield estimation. Knowing the exact number of fruits, flowers, and trees helps farmers to make better decisions on cultivation practices, plant disease prevention, and the size of harvest labor force...
April 20, 2017: Sensors
https://www.readbyqxmd.com/read/28425479/perturbed-oral-motor-control-due-to-anesthesia-during-intraoral-manipulation-of-food
#9
Joannis Grigoriadis, Abhishek Kumar, Peter Svensson, Krister G Svensson, Mats Trulsson
Sensory information from periodontal mechanoreceptors (PMRs) surrounding the roots of natural teeth is important for optimizing the positioning of food and adjustment of force vectors during precision biting. The present experiment was designed to test the hypothesis; that reduction of afferent inputs from the PMRs, by anesthesia, perturbs the oral fine motor control and related jaw movements during intraoral manipulation of morsels of food. Thirty healthy volunteers with a natural dentition were equally divided into experimental and control groups...
April 20, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28424639/inconsistent-effect-of-arousal-on-early-auditory-perception
#10
Anna C Bolders, Guido P H Band, Pieter Jan M Stallen
Mood has been shown to influence cognitive performance. However, little is known about the influence of mood on sensory processing, specifically in the auditory domain. With the current study, we sought to investigate how auditory processing of neutral sounds is affected by the mood state of the listener. This was tested in two experiments by measuring masked-auditory detection thresholds before and after a standard mood-induction procedure. In the first experiment (N = 76), mood was induced by imagining a mood-appropriate event combined with listening to mood inducing music...
2017: Frontiers in Psychology
https://www.readbyqxmd.com/read/28424602/assessing-the-driver-s-current-level-of-working-memory-load-with-high-density-functional-near-infrared-spectroscopy-a-realistic-driving-simulator-study
#11
Anirudh Unni, Klas Ihme, Meike Jipp, Jochem W Rieger
Cognitive overload or underload results in a decrease in human performance which may result in fatal incidents while driving. We envision that driver assistive systems which adapt their functionality to the driver's cognitive state could be a promising approach to reduce road accidents due to human errors. This research attempts to predict variations of cognitive working memory load levels in a natural driving scenario with multiple parallel tasks and to reveal predictive brain areas. We used a modified version of the n-back task to induce five different working memory load levels (from 0-back up to 4-back) forcing the participants to continuously update, memorize, and recall the previous 'n' speed sequences and adjust their speed accordingly while they drove for approximately 60 min on a highway with concurrent traffic in a virtual reality driving simulator...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28423977/age-associated-differences-in-motor-output-variability-and-coordination-during-the-simultaneous-dorsiflexion-of-both-feet
#12
Amanda Marchini, Rafael Pereira, Wellington Pedroso, Evangelos Christou, Osmar Pinto Neto
Older adults are more variable than young adults on tasks that demand the simultaneous control of more than one effector, and the difference between age groups may be related to their different capacity of coordinating the force output of the involved effectors. The goal of this study was to determine whether age-associated differences in motor output variability during tasks involving the simultaneous dorsiflexion of two feet can be partially explained by differences in coordination and possibly attenuated by physical training...
April 19, 2017: Somatosensory & Motor Research
https://www.readbyqxmd.com/read/28422686/an-integrated-movement-analysis-framework-to-study-upper-limb-function-a-pilot-study
#13
Kimberly Kontson, Ian Marcus, Barbara Myklebust, Eugene Civillico
The functional capabilities of individuals with upper limb disabilities are assessed throughout rehabilitation and treatment regimens using functional outcome measures. For the upper limb amputee population, there are none which quantitatively take into account the quality of movement while an individual is performing tasks. In this work, we demonstrate the use of an integrated movement analysis framework, based on motion capture and ground reaction force data, to capture quantitative information about how subjects complete a commonly used functional outcome measure, the Box and Blocks Test (BBT)...
April 12, 2017: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/28421821/modeling-and-dynamic-simulation-of-astronaut-s-upper-limb-motions-considering-counter-torques-generated-by-the-space-suit
#14
Jingwen Li, Qing Ye, Li Ding, Qianfang Liao
Extravehicular activity (EVA) is an inevitable task for astronauts to maintain proper functions of both the spacecraft and the space station. Both experimental research in a microgravity simulator (e.g. neutral buoyancy tank, zero-g aircraft or a drop tower/tube) and mathematical modeling were used to study EVA to provide guidance for the training on Earth and task design in space. Modeling has become more and more promising because of its efficiency. Based on the task analysis, almost 90% of EVA activity is accomplished through upper limb motions...
April 19, 2017: Computer Methods in Biomechanics and Biomedical Engineering
https://www.readbyqxmd.com/read/28421666/genetic-interplay-between-human-longevity-and-metabolic-pathways-a-large-scale-eqtl-study
#15
Robert Häsler, Geetha Venkatesh, Qihua Tan, Friederike Flachsbart, Anupam Sinha, Philip Rosenstiel, Wolfgang Lieb, Stefan Schreiber, Kaare Christensen, Lene Christiansen, Almut Nebel
Human longevity is a complex phenotype influenced by genetic and environmental components. Unraveling the contribution of genetic vs. nongenetic factors to longevity is a challenging task. Here, we conducted a large-scale RNA-sequencing-based expression quantitative trait loci study (eQTL) with subsequent heritability analysis. The investigation was performed on blood samples from 244 individuals from Germany and Denmark, representing various age groups including long-lived subjects up to the age of 104 years...
April 19, 2017: Aging Cell
https://www.readbyqxmd.com/read/28421482/cost-effectiveness-of-stereotactic-radiosurgery-and-stereotactic-body-radiation-therapy-a-critical-review
#16
REVIEW
Nataniel H Lester-Coll, David J Sher
PURPOSE OF REVIEW: This review aims to summarize and appraise published cost-effectiveness studies on stereotactic radiosurgery (SRS) and stereotactic body radiation therapy (SBRT). RECENT FINDINGS: We performed a Medline search of cost-effectiveness studies of SRS, SBRT, and other cancer treatment modalities such as surgery and systemic therapy from 2006 to 2016. We included studies that used both modeling and retrospective review techniques. We excluded studies of benign disease...
June 2017: Current Oncology Reports
https://www.readbyqxmd.com/read/28421239/weight-bearing-recommendations-after-operative-fracture-treatment-fact-or-fiction-gait-results-with-and-feasibility-of-a-dynamic-continuous-pedobarography-insole
#17
Benedikt J Braun, Nils T Veith, Mika Rollmann, Marcel Orth, Tobias Fritz, Steven C Herath, Jörg H Holstein, Tim Pohlemann
PURPOSE: Rehabilitation after lower-extremity fractures is based on the physicians' recommendation for non-, partial-, or full weight-bearing. Clinical studies rely on this assumption, but continuous compliance or objective loading rates are unknown. The purpose of this study was to determine the compliance to weight-bearing recommendations by introducing a novel, pedobarography system continuously registering postoperative ground forces into ankle, tibial shaft and proximal femur fracture aftercare and test its feasibility for this purpose...
April 19, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28421179/synergy-based-bilateral-port-a-universal-control-module-for-tele-manipulation-frameworks-using-asymmetric-master-slave-systems
#18
Anais Brygo, Ioannis Sarakoglou, Giorgio Grioli, Nikos Tsagarakis
Endowing tele-manipulation frameworks with the capability to accommodate a variety of robotic hands is key to achieving high performances through permitting to flexibly interchange the end-effector according to the task considered. This requires the development of control policies that not only cope with asymmetric master-slave systems but also whose high-level components are designed in a unified space in abstraction from the devices specifics. To address this dual challenge, a novel synergy port is developed that resolves the kinematic, sensing, and actuation asymmetries of the considered system through generating motion and force feedback references in the hardware-independent hand postural synergy space...
2017: Frontiers in Bioengineering and Biotechnology
https://www.readbyqxmd.com/read/28420975/beta-band-corticomuscular-drive-reflects-muscle-coordination-strategies
#19
Alexander Reyes, Christopher M Laine, Jason J Kutch, Francisco J Valero-Cuevas
During force production, hand muscle activity is known to be coherent with activity in primary motor cortex, specifically in the beta-band (15-30 Hz) frequency range. It is not clear, however, if this coherence reflects the control strategy selected by the nervous system for a given task, or if it instead reflects an intrinsic property of cortico-spinal communication. Here, we measured corticomuscular and intermuscular coherence between muscles of index finger and thumb while a two-finger pinch grip of identical net force was applied to objects which were either stable (allowing synergistic activation of finger muscles) or unstable (requiring individuated finger control)...
2017: Frontiers in Computational Neuroscience
https://www.readbyqxmd.com/read/28420973/no-overt-effects-of-a-6-week-exergame-training-on-sensorimotor-and-cognitive-function-in-older-adults-a-preliminary-investigation
#20
Madeleine Ordnung, Maike Hoff, Elisabeth Kaminski, Arno Villringer, Patrick Ragert
Several studies investigating the relationship between physical activity and cognition showed that exercise interventions might have beneficial effects on working memory, executive functions as well as motor fitness in old adults. Recently, movement based video games (exergames) have been introduced to have the capability to improve cognitive function in older adults. Healthy aging is associated with a loss of cognitive, as well as sensorimotor functions. During exergaming, participants are required to perform physical activities while being simultaneously surrounded by a cognitively challenging environment...
2017: Frontiers in Human Neuroscience
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