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https://www.readbyqxmd.com/read/28814589/ureaplasma-parvum-causing-life-threatening-disease-in-a-susceptible-patient
#1
Alexander Korytny, Roni Nasser, Yuval Geffen, Tom Friedman, Mical Paul, Nesrin Ghanem-Zoubi
A 56-year-old man with lymphoma developed orchitis followed by septic arthritis of his right glenohumeral joint. Synovial fluid cultures were negative but PCR amplification test was positive forUreaplasmaparvum. The patient was treated with doxycycline. Two and a half years later, the patient presented with shortness of breath and grade III/IV diastolic murmur on auscultation. Echocardiography revealed severely dilated left heart chambers, severe aortic regurgitation and several mobile masses on the aortic valve cusps suspected to be vegetations...
August 16, 2017: BMJ Case Reports
https://www.readbyqxmd.com/read/28814366/porphyromonas-gingivalis-and-igg1-and-igg2-subclass-antibodies-in-patients-with-juvenile-idiopathic-arthritis
#2
Consuelo Romero-Sánchez, Clara Malagón, Camilo Vargas, María Fernanda Torres, Lorena Chila Moreno, Constanza Rodríguez, Diana Marcela Castillo, Juliette De Avila, Ángela Catalina Mosquera, Gloria Inés Lafaurie
PURPOSE: The purpose of this study was to evaluate the periodontal status and the presence and concentration of Porphyromonas gingivalis (P. gingivalis) and immunoglobulin G (IgG) subclass against P. gingivalis in juvenile idiopathic arthritis (JIA) and its association with rheumatic clinical activity parameters. METHODS: Rheumatologic conditions and periodontal status were clinically assessed in 51 patients with JIA. P. gingivalis, IgG1 and IgG2, high-sensitivity C-reactive protein, erythrocyte sedimentation rate, rheumatoid factor (RF), anti-citrullinated protein antibodies (ACPAs), and human leukocyte antigen B27 were also evaluated...
May 15, 2017: Journal of Dentistry for Children
https://www.readbyqxmd.com/read/28814244/history-prevalence-and-assessment-of-limited-joint-mobility-from-stiff-hand-syndrome-to-diabetic-foot-ulcer-prevention
#3
Piergiorgio Francia, Roberto Anichini, Giuseppe Seghieri, Alessandra De Bellis, Massimo Gulisano
INTRODUCTION: Diabetes mellitus (DM) is one of the most important global public health problems. Patients with DM may develop different dreaded complications during their lifetime, one of which is limited joint mobility (LJM). Joint abnormalities and LJM are problems that can arise at disease onset, and progressively worsen together with the disease. Because LJM shares causal factors with other chronic diabetes-induced complications, its study has been considered useful for monitoring the risk of developing other chronic complications due to DM such as vascular disease or diabetic foot...
August 16, 2017: Current Diabetes Reviews
https://www.readbyqxmd.com/read/28814042/portable-haptic-device-for-lower-limb-amputee-gait-feedback-assessing-static-and-dynamic-perceptibility
#4
M A B Husman, H F Maqbool, M I Awad, A A Dehghani-Sanij
Loss of joints and severed sensory pathway cause reduced mobility capabilities in lower limb amputees. Although prosthetic devices attempt to restore normal mobility functions, lack of awareness and control of limb placement increase the risk of falling and causing amputee to have high level of visual dependency. Haptic feedback can serve as a cue for gait events during ambulation thus providing sense of awareness of the limb position. This paper presents a wireless wearable skin stretch haptic device to be fitted around the thigh region...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28814008/self-aligning-exoskeleton-hip-joint-kinematic-design-with-five-revolute-three-prismatic-and-one-ball-joint
#5
Jonas Beil, Charlotte Marquardt, Tamim Asfour
Kinematic compatibility is of paramount importance in wearable robotic and exoskeleton design. Misalignments between exoskeletons and anatomical joints of the human body result in interaction forces which make wearing the exoskeleton uncomfortable and even dangerous for the human. In this paper we present a kinematically compatible design of an exoskeleton hip to reduce kinematic incompatibilities, so called macro- and micro-misalignments, between the human's and exoskeleton's joint axes, which are caused by inter-subject variability and articulation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813992/review-of-the-actuators-of-active-knee-prostheses-and-their-target-design-outputs-for-activities-of-daily-living
#6
Dominik Simon Pieringer, Martin Grimmer, Michael Friedrich Russold, Robert Riener
Active prosthetic knees have the capability to provide net positive work, which is required in daily activities like stair and ramp negotiation or sit-to-stand transfers. Adding this capability might help to increase user mobility, safety, and independence. This article summarizes the biomechanical knee requirements for different activities of daily living and critically compares them with the actuator characteristics of state-of-the-art active prosthetic knee joints. As a result of a systematic literature research 22 active prosthetic knee joints were identified...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813991/voluntary-phantom-hand-and-finger-movements-in-transhumerai-amputees-could-be-used-to-naturally-control-polydigital-prostheses
#7
Nathanael Jarrasse, Caroline Nicol, Florian Richer, Amelie Touillet, Noel Martinet, Jean Paysant, Jozina B De Graaf
An arm amputation is extremely invalidating since many of our daily tasks require bi-manual and precise control of hand movements. Perfect hand prostheses should therefore offer a natural, intuitive and cognitively simple control over their numerous biomimetic active degrees of freedom. While efficient polydigital prostheses are commercially available, their control remains complex to master and offers limited possibilities, especially for high amputation levels. In this pilot study, we demonstrate the possibility for upper-arm amputees to intuitively control a polydigital hand prosthesis by using surface myoelectric activities of residual limb muscles (sEMG) associated with phantom limb movements, even if these residual arm muscles on which the phantom activity is measured were not naturally associated with hand movements before amputation...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813987/personalized-design-of-a-hand-prosthesis-considering-anthropometry-of-a-real-hand-extracted-from-radiography
#8
E Castillo-Castaneda, A Bemardo-Vasquez
Commercially available prostheses do not meet patients' expectations regarding dimensions, shape and aesthetic reasons. This paper presents the design of an anthropomorphic and anthropometric prosthesis based on dimensions and shape extracted from a digitized radiograph of the healthy hand of the patient. The mobility of the hand is guaranteed by making a design of phalanges, joints, ligaments and tendons, as closest as possible to a real hand. The kinematic model is presented and validated. A proposal of the actuation system is also described...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813953/bridge-behavioural-reaching-interfaces-during-daily-antigravity-activities-through-upper-limb-exoskeleton-preliminary-results
#9
Marta Gandolla, Andrea Costa, Lorenzo Aquilante, Margit Gfoehler, Markus Puchinger, Francesco Braghin, Alessandra Pedrocchi
People with neuromuscular diseases such as muscular dystrophy experience a distributed and evolutive weakness in the whole body. Recent technological developments have changed the daily life of disabled people strongly improving the perceived quality of life, mostly concentrating on powered wheelchairs, so to assure autonomous mobility and respiratory assistance, essential for survival. The key concept of the BRIDGE project is to contrast the everyday experience of losing functions by providing them of a system able to exploit the best their own residual capabilities in arm movements so to keep them functional and autonomous as much as possible...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813883/development-of-a-series-wrapping-cam-mechanism-for-energy-transfer-in-wearable-arm-support-applications
#10
Jeremiah S Schroeder, Joel C Perry
An estimated 17 million individuals suffer a stroke each year with over 5 million resulting in permanent disability. For many of these, the provision of gravity support to the impaired upper limb can provide significant and immediate improvement in arm mobility. This added mobility has the potential to improve arm function and user independence overall, but, so far, wearable arm supports have found only limited uptake by end-users. The reasons are unclear, but it is hypothesized that device uptake is strongly affected by aspects of arm support implementation such as added weight and volume and the effectiveness of the support provided...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813859/an-assistive-lower-limb-exoskeleton-for-people-with-neurological-gait-disorders
#11
A Ortlieb, M Bouri, R Baud, H Bleuler
Lower limb exoskeletons have already proven the capability to give back mobility to people suffering from spinal cord injury (SCI). Other important populations such as people with multiple sclerosis or muscular dystrophy, frail elderly and stroke victims, suffer from severe gait impairments and could benefit from similar technology. The work presented in the current paper describes a novel design of a 6-actuated degrees of freedom (DOFs) assistive lower limb exoskeleton for people with moderate mobility impairments...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813850/cross-wire-assist-suit-concept-for-mobile-and-lightweight-multiple-degree-of-freedom-hip-assistance
#12
Stephen W John, Kenta Murakami, Mayumi Komatsu, Shinobu Adachi
In this paper, we present our cross-wire assist concept, for assisting a single joint in multiple degrees of freedom. It is comprised of four motor driven Bowden cable actuators (wires) per assisted joint, with the wires crossed over each other at the front and rear. Simulation results show that selectively actuating a subset of these wires allows torque to be generated in 6 directions, with the torque magnitude dependent on joint angle. We have built a fully wearable prototype of our assistance device for both hip joints, with 8 high-speed and independently controllable actuators each providing force up to 100 N...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28813029/joint-mobile-data-collection-and-wireless-energy-transfer-in-wireless-rechargeable-sensor-networks
#13
Ping Zhong, Ya-Ting Li, Wei-Rong Liu, Gui-Hua Duan, Ying-Wen Chen, Neal Xiong
In wireless rechargeable sensor networks (WRSNs), there is a way to use mobile vehicles to charge node and collect data. It is a rational pattern to use two types of vehicles, one is for energy charging, and the other is for data collecting. These two types of vehicles, data collection vehicles (DCVs) and wireless charging vehicles (WCVs), are employed to achieve high efficiency in both data gathering and energy consumption. To handle the complex scheduling problem of multiple vehicles in large-scale networks, a twice-partition algorithm based on center points is proposed to divide the network into several parts...
August 16, 2017: Sensors
https://www.readbyqxmd.com/read/28810990/gait-and-functional-outcomes-for-young-active-males-with-traumatic-unilateral-transfemoral-limb-loss
#14
Caitlin E Mahon, Alison L Pruziner, Brad D Hendershot, Erik J Wolf, Benjamin J Darter, K Bo Foreman, Joseph B Webster
OBJECTIVE: Altered body structures that occur with the loss of a lower limb can impact mobility and quality of life. Specifically, biomechanical changes that result from wearing a prosthesis have been associated with an increased risk of falls or joint degeneration, as well as increased energy demands. While previous studies describing these outcomes are typically limited by number of outcome measures and/or small, diverse patient groups, recent military conflicts present a unique opportunity to collect outcomes from a relatively homogenous, active patient population with limb loss...
July 2017: Military Medicine
https://www.readbyqxmd.com/read/28810618/sivelestat-sodium-hydrate-improves-post-traumatic-knee-osteoarthritis-through-nuclear-factor-%C3%AE%C2%BAb-in-a-rat-model
#15
Xiaofeng Yu, Lijun Zhao, Zhiping Yu, Changzheng Yu, Jianfei Bi, Binglong Sun, Haibo Cong
As a specific inhibitor of neutrophil elastase, sivelestat sodium hydrate has primarily been used in the treatment of acute lung injury caused by various factors since its approval in 2002. Sivelestat sodium hydrate also improves post-traumatic knee osteoarthritis (KOA), although its underlying mechanisms of action have yet to be elucidated. The aim of the current study was to determine if sivelestat sodium hydrate improves post-traumatic KOA through nuclear factor (NF)-κB in a rat model. Treatment with sivelestat sodium hydrate significantly inhibited the induction of structural changes and significantly increased the vertical episode count and ipsilateral static weight bearing of the joint in KOA rats (all P<0...
August 2017: Experimental and Therapeutic Medicine
https://www.readbyqxmd.com/read/28809637/-comparison-of-short-therm-results-of-conservative-versus-operative-treatment-of-distal-ulna-fractures-associated-with-distal-radius-fracture-treated-by-plate-osteosynthesis
#16
P Meluzinová, L Kopp, P Dráč, K Edelmann, P Obruba
PURPOSE OF THE STUDY The study aims to evaluate and compare the results of conservative and operative treatment of individual types of distal ulna fractures associated with distal radius fracture treated by plate osteosynthesis and to verify the conclusions of the other authors regarding the recommended therapeutic procedures in these fractures. MATERIAL AND METHODS In the period from 08/2013 to 09/2015, a total of 81 patients participated in the prospective randomised study, with the mean follow-up period of 24 months (6-36)...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28808982/radial-head-prosthesis-results-overview
#17
E Carità, A Donadelli, L Cugola, P Perazzini
BACKGROUND/PURPOSE: Radial head replacement is frequently used in treatment of radial head fractures or sequela. Impossibility to restore a correct anatomy, acute elbow traumatic instability and failure of osteosynthesis hardware are the most common indications. The authors describe their case studies and results on the implantation of various radial head prostheses. MATERIALS: Between June 2005 and June 2016, 28 radial head prostheses were implanted in the same number of patients with an average follow-up of 49 months (6-104)...
August 14, 2017: Musculoskeletal Surgery
https://www.readbyqxmd.com/read/28804995/assessing-the-need-for-arthritis-training-among-paid-carers-in-uk-residential-care-homes-a-focus-group-and-interview-study
#18
Paul Whybrow, Suzanne Moffatt, Lesley Kay, Ben Thompson, Terry Aspray, Rachel Duncan
OBJECTIVE: The aim of the study was to perform an educational and training needs assessment for arthritis care in residential homes. METHODS: Qualitative data were collected from three purposively selected residential homes: one independent, one in a regional chain and one in a national chain. Three researcher-led focus groups were conducted with paid carers (N = 22) using vignette exercises; interviews were undertaken with 12 residents with joint pain (N = 12), five managerial staff and two general practitioners (GPs)...
August 14, 2017: Musculoskeletal Care
https://www.readbyqxmd.com/read/28802699/relationship-between-limited-joint-mobility-of-hand-and-carotid-atherosclerosis-in-patients-with-type-2-diabetes
#19
Yusuke Mineoka, Michiyo Ishii, Yoshitaka Hashimoto, Muhei Tanaka, Naoto Nakamura, Yasukazu Katsumi, Motohide Isono, Michiaki Fukui
AIM: Limited joint mobility (LJM) of hand, which is one of a complication of diabetic hand, has a close association with diabetic microangiopathy. However, it remains to be elucidated about the relationships between LJM of hand and subclinical atherosclerosis in patients with type 2 diabetes. Therefore, we conducted a cross-sectional study to evaluate the relationships between LJM of hand and carotid intima-media thickness (IMT) and plaque score in patients with type 2 diabetes. METHODS: We evaluated the relationships between LJM of hand, and carotid IMT and plaque score, evaluated by carotid ultrasound examination, in 341 consecutive patients with type 2 diabetes...
July 20, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28802220/comparison-of-lower-limb-muscle-strength-between-diabetic-neuropathic-and-healthy-subjects-using-opensim
#20
Alessandra Scarton, Ilse Jonkers, Annamaria Guiotto, Fabiola Spolaor, Gabriella Guarneri, Angelo Avogaro, Claudio Cobelli, Zimi Sawacha
Diabetes neuropathy and vasculopathy are the two major complications of diabetes mellitus, leading to diabetic foot disease, of which the worst consequences are plantar ulcers and amputations. Motor impairments like joint stiffness and loss of balance are distinctive effects of diabetes and they have been extensively explored. However, while altered muscle function has been also assessed through experimentally measured surface electromyography, little is known about muscle forces. The objective of this study was to estimate muscle forces in subjects with diabetes and to use these data to identify differences with respect to a population of healthy subjects matched for age and BMI...
July 31, 2017: Gait & Posture
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