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https://www.readbyqxmd.com/read/28324934/hand-rehabilitation-after-stroke-using-a-wearable-high-dof-spring-powered-exoskeleton
#1
Tianyao Chen, Peter S Lum
Stroke patients often have inappropriate finger flexor activation and finger extensor weakness, which makes it difficult to open their affected hand for functional grasp. The goal was to develop a passive, lightweight, wearable device to enable improved hand function during performance of activities of daily living. The device, HandSOME II, assists with opening the patient's hand using 11 elastic actuators that apply extension torques to finger and thumb joints. Device design and initial testing are described...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28324136/the-inimitable-mouth-task-dependent-kinematic-differences-are-independent-of-terminal-precision
#2
Jason W Flindall, Claudia L R Gonzalez
Previous studies in our lab have described kinematic difference between grasp-to-eat and grasp-to-place movements, whereby participants produce smaller maximum grip apertures (MGAs) when grasping to bring the item to the mouth than when grasping to bring the item to a container near the mouth. This task difference is limited to right-handed movements, regardless of handedness; it has, therefore, been interpreted as evidence of left-hemisphere lateralization of the grasp-to-eat and other hand-to-mouth grasping movements...
March 21, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28318630/sarcopenia-and-its-individual-criteria-are-associated-in-part-with-mortality-among-patients%C3%A2-on-hemodialysis
#3
Piyawan Kittiskulnam, Glenn M Chertow, Juan J Carrero, Cynthia Delgado, George A Kaysen, Kirsten L Johansen
The relative importance of sarcopenia and its individual components as independent predictors of mortality in the dialysis population has not been determined. We estimated whole-body muscle mass using pre-dialysis bioimpedance spectroscopy measurements in 645 ACTIVE/ADIPOSE-enrolled prevalent hemodialysis patients from San Francisco and Atlanta. Low muscle mass was defined as two standard deviations below sex-specific means for young adults from NHANES and indexed to height(2), body weight, body surface area, or body mass index...
March 16, 2017: Kidney International
https://www.readbyqxmd.com/read/28306145/functional-status-modifies-the-association-of-blood-pressure-with-death-in-elders-health-and-retirement-study
#4
Chenkai Wu, Ellen Smit, Carmen A Peralta, Harini Sarathy, Michelle C Odden
OBJECTIVE: To examine whether grip strength, gait speed, and the combination of the two physical functioning measures modified the association of systolic BP (SBP) and diastolic BP (DBP) with mortality. DESIGN: Nationally representative cohort study. SETTING: Health and Retirement Study. PARTICIPANTS: 7,492 U.S. adults aged ≥65 years. MEASUREMENTS: Grip strength was measured by a hand dynamometer and classified as normal (≥16 kg for female; ≥26 kg for male) and weak...
March 17, 2017: Journal of the American Geriatrics Society
https://www.readbyqxmd.com/read/28302751/impact-of-the-clinical-frailty-scale-on-outcomes-after-transcatheter-aortic-valve-replacement
#5
Tetsuro Shimura, Masanori Yamamoto, Seiji Kano, Ai Kagase, Atsuko Kodama, Yutaka Koyama, Etsuo Tsuchikane, Takahiko Suzuki, Toshiaki Otsuka, Shun Kohsaka, Norio Tada, Futoshi Yamanaka, Toru Naganuma, Motoharu Araki, Shinichi Shirai, Yusuke Watanabe, Kentaro Hayashida
Background -The semi-quantitative clinical frailty scale (CFS) is a simple tool to assess patient`s frailty and has been shown to correlate with mortality in elderly patients even when evaluated by non-geriatricians. The aim of the current study was to determine the prognostic value of CFS in patients who underwent transcatheter aortic valve replacement (TAVR). Methods -We utilized the Optimized CathEter vAlvular iNtervention (OCEAN) Japanese multicenter registry to review data of 1215 patients who underwent TAVR...
March 16, 2017: Circulation
https://www.readbyqxmd.com/read/28299916/relationship-between-patient-reported-and-objective-measurements-of-hand-function-in-patients-with-rheumatoid-arthritis
#6
S M Günay, Z Tuna, D Oskay
Rheumatoid arthritis (RA) often results in impairments in upper extremities, especially in the small joints of hand. Involvement of hand brings limitations in activities of daily living. However, it is commonly observed that patient-reported functional status of hand does not always corresponds to their actual physical performance in the clinical setting. The aim of this pilot study is to investigate the relationship between patient self-reported and objectively measured hand functions in patients with RA. Twenty-six patients (51±13 years) with RA diagnosis participated in the study...
December 31, 2016: Reumatismo
https://www.readbyqxmd.com/read/28291438/isokinetic-evaluation-of-wrist-muscle-strength-in-patients-of-carpal-tunnel-syndrome
#7
Mehmet Ağırman, Adnan Kara, Oğuz Durmuş, İlknur Saral, Engin Çakar
OBJECTIVES: This study aims to investigate the isokinetic characteristics of wrist strength in flexion, extension, supination, pronation, radial, and ulnar deviation in patients with moderate or severe carpal tunnel syndrome (CTS). PATIENTS AND METHODS: Thirteen patients (23 hands) (2 males, 11 females; mean age 45 years; range 29 to 60 years) with moderate or severe CTS were compared to six healthy control subjects (12 hands) (2 males, 4 females; mean age 41 years; range 27 to 63 years) in this study, which was conducted between January 2016 and April 2016...
April 2017: Eklem Hastalıkları Ve Cerrahisi, Joint Diseases & related Surgery
https://www.readbyqxmd.com/read/28289561/comparison-of-hand-grip-strength-and-upper-limb-pressure-pain-threshold-between-older-adults-with-or-without-non-specific-shoulder-pain
#8
Cesar Calvo Lobo, Carlos Romero Morales, David Rodríguez Sanz, Irene Sanz Corbalán, Eleuterio A Sánchez Romero, Josué Fernández Carnero, Daniel López López
BACKGROUND: There is a high prevalence of non-specific shoulder pain associated with upper limb functional limitations in older adults. The purpose of this study was to determine the minimal clinically important differences (MCID) of grip strength and pressure pain threshold (PPT) in the upper limb between older adults with or without non-specific shoulder pain. METHODS: A case-control study was carried out following the Strengthening the Reporting of Observational Studies in Epidemiology (STROBE) criteria...
2017: PeerJ
https://www.readbyqxmd.com/read/28287324/the-effect-of-a-home-delivery-meal-service-of-energy-and-protein-rich-meals-on-quality-of-life-in-malnourished-outpatients-suffering-from-lung-cancer-a-randomized-controlled-trial
#9
Eva Leedo, Josephine Gade, Sabrina Granov, Anders Mellemgaard, Tobias Wirenfeldt Klausen, Katrine Rask, Arne Astrup
Undernutrition is prevalent in cancer patients and associated with increased incidence of complications and mortality. We investigated the effects of a home delivery meal service, providing a selection of energy-dense, protein-rich meals, on quality of life (QoL) in malnourished lung cancer patients. Forty lung cancer patients with nutritional risk score ≥3 (NRS-2002) were randomized to control or intervention. The intervention group was offered energy- and protein-rich main meals and snacks, delivered 3 times per week...
April 2017: Nutrition and Cancer
https://www.readbyqxmd.com/read/28286250/change-in-muscle-strength-and-muscle-mass-in-older-hospitalized-patients-a-systematic-review-and-meta-analysis
#10
Jeanine M Van Ancum, Kira Scheerman, Nini H Jonkman, Hanne E Smeenk, Roeliene C Kruizinga, Carel G M Meskers, Andrea B Maier
Hospitalization may induce a decrease of muscle strength and muscle mass in older patients due to physical inactivity, malnutrition and diseases, negatively affecting health outcome. We aimed to examine the literature on change in muscle strength and muscle mass in older patients during hospitalization. A literature search was performed in major electronic databases from inception to March 2016. Studies including hospitalized patients with a mean age≥65years, describing change of hand grip strength and/or muscle mass were found eligible...
March 10, 2017: Experimental Gerontology
https://www.readbyqxmd.com/read/28285090/assessment-of-the-ipsilesional-hand-function-in-stroke-survivors-the-effect-of-lesion-side
#11
Bianca Pinto Cunha, Sandra Maria Sbeghen Ferreira de Freitas, Paulo Barbosa de Freitas
BACKGROUND: The aim of this study was to examine the effect of the side of brain lesion on the ipsilesional hand function of stroke survivors. METHODS: Twenty-four chronic stroke survivors, equally allocated in 2 groups according to the side of brain lesion (right or left), and 12 sex- and age-matched healthy controls performed the Jebsen-Taylor Hand Function Test (JTHFT), the Nine-Hole Peg Test (9HPT), the maximum power grip strength (PwGSmax) test, and the maximum pinch grip strength (PnGSmax) test...
March 8, 2017: Journal of Stroke and Cerebrovascular Diseases: the Official Journal of National Stroke Association
https://www.readbyqxmd.com/read/28280661/reconstruction-of-wassel-type-vi-radial-polydactyly-with-triphalangeal-thumb-using-an-on-top-osteotomy
#12
Kaiying Shen, Zhigang Wang, Yunlan Xu
BACKGROUND: The purpose of this study was to present a novel surgical technique using an on-top osteotomy and to assess the clinical and radiographic outcomes for the triphalangeal Wassel type VI thumb duplication patients. METHODS: The surgical technique involves ablation of the radial thumb at distal one-third of the metacarpal, corresponding metacarpal osteotomy of the ulnar thumb, with amalgamation of 2 metacarpals and reconstruction of the ulnar thumb by a series of soft tissue procedures...
February 2017: Plastic and Reconstructive Surgery. Global Open
https://www.readbyqxmd.com/read/28277403/methylphenidate-enhances-grip-force-and-alters-brain-connectivity
#13
Michael King, Laurie H Rauch, Samantha J Brooks, Dan J Stein, Kai Lutz
INTRODUCTION: A central fatigue theory proposes that force output during fatiguing exercise is limited to maintain homeostasis. The self-awareness of the body's homeostatic state is known as interoception. Brain regions thought to play a role in interoception, such as the insular and orbital frontal cortex, have been proposed as sites for the upstream regulation of fatiguing exercise. Methylphenidate (MPH) can improve force output during exercise and may alter central processes during fatiguing exercise...
March 8, 2017: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/28276992/a-minimally-invasive-approach-for-cubital-tunnel-release-and-ulnar-nerve-transposition
#14
Xu Zhang, Vikas Dhawan, Yadong Yu, Guisheng Zhang, Xinzhong Shao
OBJECTIVES: The aim of the study is to introduce a new minimally invasive technique for ulnar nerve release and transposition. METHODS: From January 2010 to May 2011, 51 patients with cubital tunnel syndrome were treated through a 1.5 to 2 cm incision. Limb functional recovery, scar esthetics, sensitivity of scar, numbness of the operating area, and patient satisfaction were assessed. RESULTS: No wound hematoma nor infection was observed in the group...
February 22, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28272964/the-effectiveness-of-low-level-laser-therapy-on-pain-self-reported-hand-function-and-grip-strength-compared-to-placebo-or-sham-treatment-for-adults-with-carpal-tunnel-syndrome-a-systematic-review
#15
Marlette Burger, Réna Kriel, Andrea Damon, Amy Abel, Anisha Bansda, Marinique Wakens, Dawn Ernstzen
BACKGROUND: Carpal tunnel syndrome (CTS) is one of the most common peripheral neuropathies in the upper extremity. OBJECTIVE: The aim of this review was to systematically and critically appraise the available literature for the effectiveness of Low-Level Laser Therapy (LLLT) on pain, self-reported hand function, and grip strength compared to placebo treatment in adults with CTS. METHODOLOGY: Seven databases were searched from 2000 to March 2015 namely: Cinahl, Cochrane Library, EBSCOhost, PEDro, PubMed, Science Direct, and Scopus...
March 8, 2017: Physiotherapy Theory and Practice
https://www.readbyqxmd.com/read/28269488/influence-of-force-feedback-on-grasp-force-modulation-in-prosthetic-applications-a-preliminary-study
#16
Sasha B Godfrey, Matteo Bianchi, Antonio Bicchi, Marco Santello
In typical movement, humans use a combination of feed-forward and feedback motor control strategies to interact with the world around them. However, when sensory input is impaired or absent, as in the case of various neuropathies or amputation, the ability to perform everyday tasks, like modulating grip force to object weight, can be affected. In this study, we show the results of a preliminary study using a pressure cuff-like force feedback device (CUFF) with the SoftHand Pro (SHP) prosthetic hand. Subjects lifted an object of various weights using their own hand, with the SHP without feedback, and the SHP with force feedback...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269426/robot-assisted-microsurgical-forceps-with-haptic-feedback-for-transoral-laser-microsurgery
#17
Nikhil Deshpande, Manish Chauhan, Claudio Pacchierotti, Domenico Prattichizzo, Darwin G Caldwell, Leonardo S Mattos
In this paper, a novel, motorized, multi-degrees-of-freedom (DoF), microsurgical forceps tool is presented, which is based on a master-slave teleoperation architecture. The slave device is a 7-DoF manipulator with: (i) 6-DoF positioning and orientation, (ii) 1 open/close gripper DoF; and (iii) an integrated force/torque sensor for tissue grip-force measurement. The master device is a 7-DoF haptic interface which teleoperates the slave device, and provides haptic feedback in its gripper interface. The combination of the device and the surgeon interface replaces the manual, hand-held device providing easy-to-use and ergonomic tissue control, simplifying the surgical tasks...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269396/investigation-of-a-passive-capstan-based-grasp-enhancement-feature-in-a-voluntary-closing-prosthetic-terminal-device
#18
Kevin D Gemmell, Michael T Leddy, Joseph T Belter, Aaron M Dollar
Body-powered prosthetic terminal devices fall into two main categories: voluntary-closing devices, which require the user to exert a force to maintain a grasp, and voluntary opening devices, which generally utilize springs to close and maintain a force. As a result, voluntary-closing devices often have a locking feature that allows the user to relax and transport objects while maintaining a firm grip. In this paper, we examine a new type of capstan-based passive brake mechanism in a voluntary-closing prosthetic terminal device...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268623/closed-loop-afferent-electrical-stimulation-for-recovery-of-hand-function-in-individuals-with-motor-incomplete-spinal-injury-early-clinical-results
#19
Christopher J Schildt, Sarah H Thomas, Elizabeth S Powell, Lumy Sawaki, Sridhar Sunderam
Afferent electrical stimulation is known to augment the effect of rehabilitative therapy through use-dependent cortical plasticity. Experiments pairing transcranial magnetic stimulation (TMS) with peripheral nerve stimulation (PNS) have shown a timing-dependent effect on motor evoked potential (MEP) amplitude suggesting that PNS applied in closed-loop (CL) mode could augment this effect through positive reinforcement. We present early results from a clinical trial in which an EEG brain-machine interface (BMI) was used to apply PNS to two subjects in response to motor intent detected from sensorimotor cortex in a cue-driven hand grip task...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28267475/impact-of-frailty-on-mortality-after-transcatheter-aortic-valve-implantation
#20
Pawel Kleczynski, Artur Dziewierz, Maciej Bagienski, Lukasz Rzeszutko, Danuta Sorysz, Jaroslaw Trebacz, Robert Sobczynski, Marek Tomala, Maciej Stapor, Dariusz Dudek
BACKGROUND: We sought to investigate the relation between frailty indices and 12-month mortality after transcatheter aortic valve implantation (TAVI). METHODS: We included 101 consecutive patients with severe aortic stenosis who have undergone TAVI. Frailty indices according to Valve Academic Research Consortium-2 recommendations (5-m walk test [5MWT] and hand grip strength) as well as other available scales of frailty (Katz index, Elderly Mobility Scale [EMS], Canadian Study of Health and Aging [CSHA] scale, Identification of Seniors at Risk [ISAR] scale) were assessed at baseline...
March 2017: American Heart Journal
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