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https://www.readbyqxmd.com/read/28817411/effects-of-recent-concussion-and-injury-history-on-instantaneous-relative-risk-of-lower-extremity-injury-in-division-i-collegiate-athletes
#1
Peter C Fino, Lauren N Becker, Nora F Fino, Brett Griesemer, Michael Goforth, Per Gunnar Brolinson
BACKGROUND: Growing evidence suggests that concussion increases the risk of lower extremity (LE) musculoskeletal injury. However, it is unclear to how the effect of concussion on LE injury risk may be influenced by previous injuries. This study sought to examine the association between concussion, previous LE injuries, and the risk LE injury to the same previously injured limb (ipsilateral) or the opposite limb (contralateral). METHODS: This retrospective study examined medical records from 110 concussed athletes and 110 matched controls for LE injuries in the 365 days before and after the concussion event...
August 16, 2017: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/28816894/the-clavicle-trial-a-multicenter-randomized-controlled-trial-comparing-operative-with-nonoperative-treatment-of-displaced-midshaft-clavicle-fractures
#2
Philip M Ahrens, Nicholas I Garlick, Julie Barber, Emily M Tims
BACKGROUND: The treatment of displaced midshaft clavicle fractures remains controversial. METHODS: We undertook a multicenter randomized controlled trial to compare effectiveness and safety between nonoperative management and ORIF (open reduction and internal fixation) for displaced midshaft clavicle fractures in adults. Three hundred and one eligible adult patients were randomized to 1 of the 2 treatment groups and followed at 6 weeks, 3 months, and 9 months after recruitment...
August 16, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28814056/design-of-a-lightweight-tethered-torque-controlled-knee-exoskeleton
#3
Kirby Ann Witte, Andreas M Fatschel, Steven H Collins
Lower-limb exoskeletons show promise for improving gait rehabilitation for those with chronic gait abnormalities due to injury, stroke or other illness. We designed and built a tethered knee exoskeleton with a strong lightweight frame and comfortable, four-point contact with the leg. The device is structurally compliant in select directions, instrumented to measure joint angle and applied torque, and is lightweight (0.76 kg). The exoskeleton is actuated by two off-board motors. Closed loop torque control is achieved using classical proportional feedback control with damping injection in conjunction with iterative learning...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814040/training-wrist-extensor-function-and-detecting-unwanted-movement-strategies-in-an-emg-controlled-visuomotor-task
#4
Mingxing Lyu, Charles Lambelet, Daniel Woolley, Xue Zhang, Weihai Chen, Xilun Ding, Roger Gassert, Nicole Wenderoth
Stroke patients often suffer from severe upper limb paresis. Rehabilitation treatment typically targets motor impairments as early as possible, however, muscular contractions, particularly in the wrist and fingers, are often too weak to produce overt movements, making the initial phase of rehabilitation training difficult. Here we propose a new training tool whereby electromyographic (EMG) activity is measured in the wrist extensors and serves as a proxy of voluntary corticomotor drive. We used the Myo armband to develop a proportional EMG controller which allowed volunteers to perform a simple visuomotor task by modulating wrist extensor activity...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813973/adaptive-learning-to-speed-up-control-of-prosthetic-hands-a-few-things-everybody-should-know
#5
Valentina Gregori, Arjan Gijsberts, Barbara Caputo
Domain adaptation methods have been proposed to reduce the training efforts needed to control an upper-limb prosthesis by adapting well performing models from previous subjects to the new subject. These studies generally reported impressive reductions in the required number of training samples to achieve a certain level of accuracy for intact subjects. We further investigate two popular methods in this field to verify whether this result also applies to amputees. Our findings show instead that this improvement can largely be attributed to a suboptimal hyperparameter configuration...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28809745/a-hybrid-active-force-control-of-a-lower-limb-exoskeleton-for-gait-rehabilitation
#6
Zahari Taha, Anwar P P Abdul Majeed, Amar Faiz Zainal Abidin, Mohammed A Hashem Ali, Ismail Mohd Khairuddin, Abdelhakim Deboucha, Mohd Yashim Wong Paul Tze
Owing to the increasing demand for rehabilitation services, robotics have been engaged in addressing the drawbacks of conventional rehabilitation therapy. This paper focuses on the modelling and control of a three-link lower limb exoskeleton for gait rehabilitation that is restricted to the sagittal plane. The exoskeleton that is modelled together with a human lower limb model is subjected to a number of excitations at its joints while performing a joint space trajectory tracking, to investigate the effectiveness of the proposed controller in compensating disturbances...
August 15, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28802114/embryonic-and-fetal-morphology-in-the-lowland-paca-cuniculus-paca-a-precocial-hystricomorph-rodent
#7
Hani Rocha El Bizri, Frederico Ozanan Barros Monteiro, Rafael Dos Santos de Andrade, João Valsecchi, Diva Anelie de Araújo Guimarães, Pedro Mayor
In mammals, the embryonic and fetal development of a species has evolved to maximize neonatal survival. In this study, we use a sample of 132 embryos/fetuses of wild lowland paca (Cuniculus paca), obtained over a period of 15 years through collaborative methods with local hunters in the Amazon to describe the intrauterine development of external and internal morphology of this Neotropical rodent. We also compare the newborn survival strategy in this species with other rodents. The crown-rump length (CRL) ranged between 0...
August 3, 2017: Theriogenology
https://www.readbyqxmd.com/read/28795888/effective-wound-bed-preparation-using-maggot-debridement-therapy-for-patients-with-critical-limb-ischaemia
#8
A Nishijima, M Gosho, R Yoshida, S Yanagibayashi, M Takikawa, J Nishijima, M Sekido, N Yamamoto
OBJECTIVE: Patients with critical limb ischaemia (CLI) lack sufficient blood flow in to the limb, which leads to difficulties in the normal wound healing process. Therefore, maggot debridement therapy (MDT) has not generally been recommended for CLI patients. We evaluated the effectiveness of wound bed preparation by MDT in CLI patients who had undergone mid-foot amputation. METHODS: Patients who underwent mid-foot amputation after angioplasty between April 2014 and October 2016 were retrospectively investigated by classifying them into an MDT group or a conventional treatment group...
August 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28793888/does-structural-leg-length-discrepancy-affect-postural-control-preliminary-study
#9
Małgorzata Eliks, Wioleta Ostiak-Tomaszewska, Przemysław Lisiński, Paweł Koczewski
BACKGROUND: Leg-length inequality results in an altered position of the spine and pelvis. Previous studies on the influence of leg asymmetry on postural control have been inconclusive. The purpose of this paper was to investigate the effect of structural leg-length discrepancy (LLD) on the control of posture. METHODS: We studied 38 individuals (19 patients with structural LLD, 19 healthy subjects). The examination included measurement of the length of the lower limbs and weight distribution as well as a static posturography...
August 9, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28793879/septic-arthritis-significantly-increased-the-long-term-mortality-in-geriatric-patients
#10
Chia-Jung Wu, Chien-Cheng Huang, Shih-Feng Weng, Ping-Jen Chen, Chien-Chin Hsu, Jhi-Joung Wang, How-Ran Guo, Hung-Jung Lin
BACKGROUND: The elderly are predisposed to septic arthritis (SA) because of the aging nature and increasing comorbidities. SA may in turn increase the long-term mortality in the geriatric patients; however, it remains unclear. We conducted this prospective nationwide population-based cohort study to clarify this issue. METHODS: Using Taiwan National Health Insurance Research Database (NHIRD), we identified 1667 geriatric participants (≥ 65 years) with SA and 16,670 geriatric participants without SA matched at a ratio of 1:10 by age, sex, and index date between 1999 and 2010...
August 9, 2017: BMC Geriatrics
https://www.readbyqxmd.com/read/28791851/clinical-risk-factors-for-loss-of-stent-primary-patency-in-patients-with-chronic-legs-ischemia
#11
Klaudia Koza, Paweł Grzelązka, Adrianna Trofimiuk, Karol Suppan, Marcin Wasielewski, Joanna Wiśniewska, Jacek Budzyński
BACKGROUND: The outcome of endovascular therapy can be influenced by a number of factors, either demographic, biochemical, angiographic or procedural. Knowledge about these factors may help in the individualization of therapeutic methods, surveillance intensity, and should, ultimately, improve intervention efficacy. OBJECTIVES: The aim of this study was to estimate the effect of clinical and biochemical factors on the late outcome of lower limb artery stenting. MATERIAL AND METHODS: The medical documentation of 91 patients with at least a 1 year follow-up after the stenting of a lower limb artery was retrospectively evaluated...
March 2017: Advances in Clinical and Experimental Medicine: Official Organ Wroclaw Medical University
https://www.readbyqxmd.com/read/28791715/under-the-microscope-insights-into-limb-specific-lipid-droplet-metabolism
#12
K L Whytock, E F P Jevons, J A Strauss, S O Shepherd
Intramuscular triglyceride (IMTG) only accounts for a small proportion of total lipid in the human body. However, over the past two decades there has been significant interest in the area of IMTG metabolism, largely due to the contribution that IMTG makes to ATP production during moderate-intensity exercise, and the proposed role of IMTG in the development of skeletal muscle insulin resistance. This article is protected by copyright. All rights reserved.
August 9, 2017: Journal of Physiology
https://www.readbyqxmd.com/read/28782303/incidence-and-body-location-of-reported-acute-sports-injuries-in-seven-sports-using-a-national-insurance-database
#13
Malin Åman, Magnus Forssblad, Karin Larsén
Sports with high numbers of athletes and acute injuries are an important target for preventive actions at a national level. Both for the health of the athlete and to reduce costs associated with injury. The aim of the present study was to identify injuries where injury prevention should focus, in order to have major impact on decreasing acute injury rates at a national level. All athletes in the seven investigated sport federations (automobile sports, basketball, floorball, football (soccer), handball, ice hockey, and motor sports) were insured by the same insurance company...
August 7, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28781137/bioimpedance-spectroscopy-a-technique-to-monitor-interventions-for-swelling-in-minor-burns
#14
Pippa Kenworthy, Tiffany L Grisbrook, Michael Phillips, Paul Gittings, Fiona M Wood, William Gibson, Dale W Edgar
The control of edema in burn injured patients is a priority as it can impede the wound healing process. Bioimpedance spectroscopy (BIS) has been identified as a method of swelling assessment that has merit after burns. The aim of this study was to examine the reliability and validity of BIS in the measurement of localised burn wound edema across (1) different dressing conditions (no dressing, non silver and silver dressings) and (2) three electrode positions. BIS resistance (R) was hypothesised to be inversely proportional to fluid (edema) volume...
August 3, 2017: Burns: Journal of the International Society for Burn Injuries
https://www.readbyqxmd.com/read/28760581/any-nonadherence-to-instructions-for-use-predicts-graft-related-adverse-events-in-patients-undergoing-elective-endovascular-aneurysm-repair
#15
Christine R Herman, Philippe Charbonneau, Kiattisak Hongku, Luc Dubois, Sajjid Hossain, Kevin Lee, Oren K Steinmetz
BACKGROUND: A variety of devices exist for endovascular aneurysm repair (EVAR). Device-specific instructions for use (IFU) detail anatomic constraints to application and deployment of devices and are developed from rigorous bench testing. Nonadherence to IFU occurs frequently to avoid open surgery. The purpose of this study was to determine if IFU violations are associated with increased risk of graft-related adverse events (GRAEs) during follow-up. METHODS: This multicenter retrospective observational study included patients undergoing elective endovascular repair for abdominal aneurysmal disease with three different devices...
July 28, 2017: Journal of Vascular Surgery
https://www.readbyqxmd.com/read/28760065/risk-of-major-amputation-or-death-among-patients-with-critical-limb-ischemia-initially-treated-with-endovascular-intervention-surgical-bypass-minor-amputation-or-conservative-management
#16
Ehrin J Armstrong, Michael P Ryan, Erin R Baker, Brad J Martinsen, Harry Kotlarz, Candace Gunnarsson
AIMS: Patients with critical limb ischemia (CLI) have an increased risk of major amputation. The initial treatment approach for CLI may significantly impact the subsequent risk of major amputation or death. The objective of this study was to describe the initial treatment approaches of patients with CLI and the limb outcomes associated with each approach. METHODS: Data from MarketScan Commercial and Medicare Supplemental Databases from January 2006-December 2014 was utilized...
August 16, 2017: Journal of Medical Economics
https://www.readbyqxmd.com/read/28743274/risk-factors-and-a-prediction-model-for-lower-limb-lymphedema-following-lymphadenectomy-in-gynecologic-cancer-a-hospital-based-retrospective-cohort-study
#17
Kenji Kuroda, Yasuhiro Yamamoto, Manami Yanagisawa, Akira Kawata, Naoya Akiba, Kensuke Suzuki, Kazutoshi Naritaka
BACKGROUND: Lower limb lymphedema (LLL) is a chronic and incapacitating condition afflicting patients who undergo lymphadenectomy for gynecologic cancer. This study aimed to identify risk factors for LLL and to develop a prediction model for its occurrence. METHODS: Pelvic lymphadenectomy (PLA) with or without para-aortic lymphadenectomy (PALA) was performed on 366 patients with gynecologic malignancies at Yaizu City Hospital between April 2002 and July 2014; we retrospectively analyzed 264 eligible patients...
July 25, 2017: BMC Women's Health
https://www.readbyqxmd.com/read/28741375/comparison-of-slow-and-forced-vital-capacities-on-ability-to-predict-survival-in-als
#18
Susana Pinto, Mamede de Carvalho
INTRODUCTION: Slow (SVC) and forced (FVC) vital capacities are the most used pulmonary function tests in amyotrophic lateral sclerosis (ALS). It is unknown if they equally predict survival in ALS. The aim of the present study was to compare both measures in predicting survival in this disease. METHODS: Consecutive definite/probable ALS patients (2000-2014) in whom respiratory tests were performed at baseline and four months later were included. All patients were evaluated with the revised ALS functional rating scale (ALSFRS-R), respiratory (RofALSFRS-R), bulbar (ALSFRSb), upper and lower limb subscores, SVC, FVC, maximal inspiratory (MIP) and expiratory (MEP) pressures...
July 25, 2017: Amyotrophic Lateral Sclerosis and Frontotemporal Degeneration
https://www.readbyqxmd.com/read/28738752/physical-functioning-and-activities-of-daily-living-in-adults-with-amyoplasia-the-most-common-form-of-arthrogryposis-a-cross-sectional-study
#19
Unni Steen, Lena Lande Wekre, Nina Køpke Vøllestad
BACKGROUND: Amyoplasia, the most common form of arthrogryposis is characterized by typical deformities of the joints and replacement of skeletal muscles by fibrous tissue and fat. There is sparse literature on adaptation to adult life with amyoplasia. PURPOSE: To describe physical function and activity strategies in adults with amyoplasia, as this knowledge is important for relevant function-enhancing measures. MATERIALS AND METHODS: Twenty-two adults (20-91 years) with amyoplasia participated...
July 24, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28729323/gait-outcomes-of-older-adults-receiving-subacute-hospital-rehabilitation-following-orthopaedic-trauma-a-longitudinal-cohort-study
#20
Saira A Mathew, Paul Varghese, Suzanne S Kuys, Kristiann C Heesch, Steven M McPhail
OBJECTIVES: This study aimed to describe gait speed at admission and discharge from inpatient hospital rehabilitation among older adults recovering from orthopaedic trauma and factors associated with gait speed performance and discharge destination. DESIGN: A longitudinal cohort study was conducted. SETTING: Australian tertiary hospital subacute rehabilitation wards. PARTICIPANTS: Patients aged ≥60 years recovering from orthopaedic trauma (n=746, 71% female) were eligible for inclusion...
July 20, 2017: BMJ Open
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