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FES—PET

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https://www.readbyqxmd.com/read/29334645/co-morbid-depressive-disorder-is-associated-with-better-neurocognitive-performance-in-first-episode-schizophrenia-spectrum
#1
Sarah E Herniman, Sue M Cotton, Eóin Killackey, Robert Hester, Kelly A Allott
BACKGROUND: Both major depressive disorder (MDD) and first episode schizophrenia spectrum (FES) are associated with significant neurocognitive deficits. However, it remains unclear whether the neurocognitive deficits in individuals with FES are more severe if there is comorbid depressive disorder. The aim of this study was to compare the neurocognitive profiles between those with and without full-threshold depressive disorder in FES. METHOD: This study involved secondary analysis of baseline data from a randomized controlled trial of vocational intervention for young people with first-episode psychosis (N = 82; age range: 15-25 years)...
January 3, 2018: Journal of Affective Disorders
https://www.readbyqxmd.com/read/29333223/development-of-practical-functional-electrical-stimulation-cycling-systems-based-on-an-electromyography-study-of-the-cybathlon-2016
#2
Jetsada Arnin, Traisak Yamsa-Ard, Preechapawan Triponyuwasin, Yodchanan Wongsawat
The purpose of this study was to develop a functional electrical stimulation (FES) system based on the motor driving concept for use by spinal cord injury patients participating in the FES Cycling competition at the Cybathlon 2016. The proposed FES system consists of a low-power control system, a precise processor unit, and a 4-channel stimulation unit. Self-adhesive carbon conductive electrodes were utilized for stimulation. A 26-year-old SCI patient was qualified to participate in the competition. The pilot patient underwent training for 16 months, which included experience with FES stimulation, performing FES cycling, and reducing spasticity, to practice using the FES system...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29324829/electrode-placement-on-the-forearm-for-selective-stimulation-of-finger-extension-flexion
#3
Xueliang Bao, Yuxuan Zhou, Yunlong Wang, Jianjun Zhang, Xiaoying Lü, Zhigong Wang
It is still challenging to achieve a complex grasp or fine finger control by using surface functional electrical stimulation (FES), which usually requires a precise electrode configuration under laboratory or clinical settings. The goals of this study are as follows: 1) to study the possibility of selectively activating individual fingers; 2) to investigate whether the current activation threshold and selective range of individual fingers are affected by two factors: changes in the electrode position and forearm rotation (pronation, neutral and supination); and 3) to explore a theoretical model for guidance of the electrode placement used for selective activation of individual fingers...
2018: PloS One
https://www.readbyqxmd.com/read/29324409/assessment-of-spasticity-by-a-pendulum-test-in-sci-patients-who-exercise-fes-cycling-or-receive-only-conventional-therapy
#4
Lana Popovic-Maneski, Antonina Aleksic, Amine Metani, Vance Bergeron, Radoje Cobeljic, Dejan B Popovic
Increased muscle tone and exaggerated tendon reflexes characterize most of the individuals after a spinal cord injury (SCI). We estimated seven parameters from the pendulum test and used them to compare with the Ashworth modified scale of spasticity grades in three populations (retrospective study) to assess their spasticity. Three ASIA B SCI patients who exercised on a stationary FES bicycle formed group F, six ASIA B SCI patients who received only conventional therapy were in the group C, and six healthy individuals constituted the group H...
January 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29320778/five-year-recurrence-rate-and-the-predictors-following-stroke-in-the-mashhad-stroke-incidence-study-a-population-based-cohort-study-of-stroke-in-the-middle-east
#5
Maryam Salehi, Amin Amiri, Amanda G Thrift, Moira K Kapral, Luciano Sposato, Réza Behrouz, Jiming Fang, Ali Shoeibi, Peyman Hashemi, Mohammad Taghi Farzadfard, Naghmeh Mokhber, Mahmoud Reza Azarpazhooh
BACKGROUND: Little is known about the risk of recurrent stroke in low- and middle-income countries. This study was designed to identify the long-term risk of stroke recurrence and its associated factors. METHODS: From November 21, 2006 for a period of 1 year, 624 patients with first-ever stroke (FES) were registered from the residents of 3 neighborhoods in Mashhad, Iran. Patients were followed up for the next 5 years after the index event for any stroke recurrence or death...
January 10, 2018: Neuroepidemiology
https://www.readbyqxmd.com/read/29316496/native-metals-electron-bifurcation-and-co2-reduction-in-early-biochemical-evolution
#6
REVIEW
Filipa L Sousa, Martina Preiner, William F Martin
Molecular hydrogen is an ancient source of energy and electrons. Anaerobic autotrophs that harness the H2/CO2 redox couple harbour ancient biochemical traits that trace back to the universal common ancestor. Aspects of their physiology, including the abundance of transition metals, radical reaction mechanisms, and their main exergonic bioenergetic reactions, forge links between ancient microbes and geochemical reactions at hydrothermal vents. The midpoint potential of H2 however requires anaerobes that reduce CO2 with H2 to use flavin based electron bifurcation-a mechanism to conserve energy as low potential reduced ferredoxins via soluble proteins-for CO2 fixation...
January 6, 2018: Current Opinion in Microbiology
https://www.readbyqxmd.com/read/29313124/development-of-a-train-to-proficiency-curriculum-for-the-technical-skills-component-of-the-fundamentals-of-endoscopic-surgery-exam
#7
Susan Gearhart, Michael Marohn, Saowanee Ngamruengphong, Gina Adrales, Oluwafemi Owodunni, Kim Duncan, Emil Petrusa, Pamela Lipsett
BACKGROUND: The demonstration of competency in endoscopy is required prior to obtaining American Board of Surgery Certification. To demonstrate competency, the resident must pass a national high-stakes cognitive test and a technical skills exam on a virtual reality simulator. The purpose of this preliminary study was to design a proficiency-based endoscopy simulation curriculum to meet this competency requirement. METHODS: This is a mixed methods prospective cohort study at a single academic medical institution...
January 8, 2018: Surgical Endoscopy
https://www.readbyqxmd.com/read/29306192/comparative-study-of-tribochemistry-of-ultrahigh-molecular-weight-polyethylene-polyphenylene-sulfide-and-polyetherimide-in-tribo-composites
#8
Huimin Qi, Ligang Zhang, Ga Zhang, Tingmei Wang, Qihua Wang
HYPOTHESIS: Tribochemical reactions of polymer matrix with steel counterpart can exert an important role in tribofilm's structure, and thereby affect the tribological performance of its composites. EXPERIMENTS: In the present work, tribochemistry of ultrahigh molecular weight polyethylene (UHMWPE), polyphenylene sulfide (PPS) and polyetherimide (PEI) in tribo-composites was comparatively studied. Two kinds of formulations, i.e. conventional composites filled with carbon fibers and graphite and hybrid nanocomposites containing additional silica (SiO2) nanoparticles, were investigated...
December 29, 2017: Journal of Colloid and Interface Science
https://www.readbyqxmd.com/read/29304506/investigation-of-no-conversion-by-different-types-of-sewage-sludge-chars-under-low-temperature
#9
Wenyi Deng, Andong Yin, Jingchen Ma, Yaxin Su
Different types of sludge chars, i.e. the original (S1), HNO3 washed (S2), KOH activated (S3), and H2 reduced chars, were prepared to investigate their performances for NO conversion under low temperature. Results indicated that the surface area of the sludge chars did not play key role on NO conversion. S1 showed the higher NO conversion performance than S2 and S3, due to the reducing effect of iron components in S1 (mainly FeS and Fe2P). Both H2 reduction at high temperature and the followed cooling atmosphere (H2 or N2) have great influences on the activity of S1...
January 2, 2018: Journal of Environmental Management
https://www.readbyqxmd.com/read/29304102/activation-of-biceps-femoris-long-head-reduces-tibiofemoral-anterior-shear-force-and-tibial-internal-rotation-torque-in-healthy-subjects
#10
Nur Liyana Azmi, Ziyun Ding, Rui Xu, Anthony M J Bull
The anterior cruciate ligament (ACL) provides resistance to tibial internal rotation torque and anterior shear at the knee. ACL deficiency results in knee instability. Optimisation of muscle contraction through functional electrical stimulation (FES) offers the prospect of mitigating the destabilising effects of ACL deficiency. The hypothesis of this study is that activation of the biceps femoris long head (BFLH) reduces the tibial internal rotation torque and the anterior shear force at the knee. Gait data of twelve healthy subjects were measured with and without the application of FES and taken as inputs to a computational musculoskeletal model...
2018: PloS One
https://www.readbyqxmd.com/read/29303243/a-scalable-strategy-to-develop-advanced-anode-for-sodium-ion-batteries-commercial-fe3o4-derived-fe3o4-fes-with-superior-full-cell-performance
#11
Bao-Hua Hou, Ying-Ying Wang, Jin-Zhi Guo, Yu Zhang, Qiu-Li Ning, Yang Yang, Wen-Hao Li, Jing-Ping Zhang, Xinlong Wang, Xing-Long Wu
A novel core-shell Fe3O4@FeS with the morphology of regular octahedra has been prepared via a facile and scalable strategy via employing commercial Fe3O4 as the precursor. When used as anode material for sodium-ion batteries (SIBs), the prepared Fe3O4@FeS combines the merits of FeS and Fe3O4 with high Na-storage capacity and superior cycling stability, respectively. The optimized Fe3O4@FeS electrode shows ultra-long cycle life and outstanding rate capability. For instance, it remains a capacity retention of 90...
January 5, 2018: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/29299228/comparison-of-strategies-and-performance-of-functional-electrical-stimulation-cycling-in-spinal-cord-injury-pilots-for-competition-in-the-first-ever-cybathlon
#12
Christine Azevedo Coste, Vance Bergeron, Rik Berkelmans, Emerson Fachin Martins, Ché Fornusek, Arnin Jetsada, Kenneth J Hunt, Raymond Tong, Ronald Triolo, Peter Wolf
Functional Electrical Stimulation (FES) can elicit muscular contraction and restore motor function in paralyzed limbs. FES is a rehabilitation technique applied to various sensorimotor deficiencies and in different functional situations, e.g. grasping, walking, standing, transfer, cycling and rowing. FES can be combined with mechanical devices. FES-assisted cycling is mainly used in clinical environments for training sessions on cycle ergometers, but it has also been adapted for mobile devices, usually tricycles...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299227/strategies-and-performances-of-functional-electrical-stimulation-cycling-using-the-berkelbike-with-spinal-cord-injury-in-a-competition-context-cybathlon
#13
Rik Berkelmans, Billy Woods
The functional electrical stimulation (FES) bicycle race was an event at the Cybathlon, held in Zurich October 2016. BerkelBike BV (The Netherlands) in collaboration with Imperial College London entered a spinal cord injury pilot who had tetraplegia to compete in this event. The BerkelBike Pro is a commercially available FES capable recumbent which is normally driven by the arm- and leg power. The arm cranking part was disabled. Now the tricycle must be driven using the pilots own lower limb muscles through stimulation in accordance with race rules...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299225/fes-bike-race-preparation-to-cybathlon-2016-by-ema-team-a-short-case-report
#14
Juliana Araujo Guimarães, Lucas Oliveira da Fonseca, Ana Carolina de Sousa, Miguel Eduardo Gutierrez Paredes, George Andrew Brindeiro, Antônio Padilha Lanari Bó, Emerson Fachin-Martins
FES-assisted cycling has been recommended to people struggling to emerge from a disability to more functioning life after spinal cord injury. Recommendations issued by a gowing number of scientific papershas promised toimprove body composition and physical activity levels, as well as to controlinvoluntary muscle response; favoring activity and participation which break new grounds in expanding locomotion, leisure and occupational options for people with paraplegia and tetraplegia. In this report we described our experience to select and prepare a pilot to compete in the FES Bike Race modality at Cybathlon 2016 in Kloten (Zurick)...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299224/the-effectiveness-of-functional-electrical-stimulation-fes-in-on-off-mode-for-enhancing-the-cycling-performance-of-team-phoenix-at-2016-cybathlon
#15
Kenry Wc Leung, Raymond Ky Tong, Xiaojun Wang, Ginny Ty Lee, Peter Mk Pang, H W Wai, H C Leung
In this study we designed a Functional Electrical Stimulation (FES) trike for a female subject with spinal cord injury to exercise her lower limbs and improve her lower limb muscle condition for attending the 2016 Cybathlon FES bike competition. Our FES pilot was the only female participant, in the FES cycling competition and she rode for Team Phoenix from the Chinese University of Hong Kong. Due to the weakness of muscles in the lower limb of the subject, and due to scoliosis over her thoracolumbar aéra, the mechanical structure of the trike had to be tailor-made to ensure she sat on the bike in a safe and secure position...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299223/participation-to-the-first-cybathlon-an-overview-of-the-freewheels-team-fes-cycling-solution
#16
Benoît Sijobert, Charles Fattal, Anne Daubigney, Christine Azevedo-Coste
This article is a contribution to a special issue aiming at collecting data and documenting the different specificities of the teams which participated into Cybathlon 2016 FES-bike discipline. Our team prepared one paraplegic pilot over one year and developed a FES-cycling device based on existing commercial products. Our pilot (47 y.o, spinal cord lesion T3 AIS A since year 1995) was qualified for the final race and finished in 6th position over 12 participants in the discipline, covering a total distance of 750m at an average speed of 5...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299222/functional-electrical-stimulation-cycling-strategies-tested-during-preparation-for-the-first-cybathlon-competition-a-practical-report-from-team-ens-de-lyon
#17
Amine Metani, Lana Popović-Maneski, Sebastien Mateo, Laura Lemahieu, Vance Bergeron
Whether it is from the patient's or the physical therapist's point of view, FES cycling can be considered either as a recreational activity, or an engaging rehabilitation tool. In both cases, it keeps patients with lower-limb paralysis motivated to sustain a regular physical activity. Thus, it is not surprising that it was selected as one of the six disciplines of the first Cybathlon competition held on October 8, 2016. However, many unresolved issues prevent FES cycling from being an activity practiced outdoors on a daily basis; such as, low power production, rapid muscle fatigue, precise electrode positioning, lack of systematic procedures to determine stimulation patterns, and the difficulty of transferring disabled riders from their wheelchair to the tricycle...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299221/cycle-training-using-implanted-neural-prostheses-team-cleveland
#18
John McDaniel, Lisa M Lombardo, Kevin M Foglyano, Paul D Marasco, Ronald J Triolo
Recently our laboratory team focused on training five individuals with complete spinal cord injuries for an overground FES bike race in the 2016 Cybathlon held in Zurich Switzerland. A unique advantage team Cleveland had over other teams was the use of implanted pulse generators that provide more selective activation of muscles compared to standard surface stimulation. The advancements in muscle strength and endurance and ultimately cycling power our pilots made during this training period helped propel our competing pilot to win gold at the Cybathlon and allowed our pilots to ride their bikes outside within their communities...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29299220/the-road-to-cybathlon-2016-functional-electrical-stimulation-cycling-team-irpt-spz
#19
Marco Laubacher, Efe Anil Aksöz, Ines Bersch, Kenneth James Hunt
Functional electrical stimulation (FES) provides a good possibility to activate paralysed muscles and it has been shown to elicit substantial physiological and health benefits. For successful application of FES, a perfect symbiosis of the bike and the pilot has to be achieved. The road to the Cybathlon 2016 describes the different pieces needed for FES cycling in spinal cord injury. The systematic optimisation of the stimulation parameters and the Cybatrike, and sophisticated training contributed to the team's success as the fastest surface-electrode team in the competition...
December 5, 2017: European Journal of Translational Myology
https://www.readbyqxmd.com/read/29298942/relating-instructor-feedback-and-student-reception-in-the-clinical-environment
#20
Tanya Nolan, Cynthia Loubier
PURPOSE: To identify the relationship between instructor feedback and student receptivity to it in a clinical setting. METHODS: Using a correlational design with a convenience sample of 132 students enrolled in radiologic science programs, the authors conducted an electronic survey that included a demographic section, the Feedback Environment Scale (FES), and the Feedback Orientation Scale (FOS). The first research question was whether a relationship existed between the aggregate predictor FES and criterion FOS variables...
January 2018: Radiologic Technology
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