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https://www.readbyqxmd.com/read/28329748/extensive-multilevel-split-laminotomy-for-debulking-a-cervicothoracolumbar-nondysraphic-intramedullary-spinal-cord-lipoma-in-a-2-month-old-infant
#1
Ha Son Nguyen, Sean Lew
INTRODUCTION: Laminectomy is the traditional approach for posterior exposure of the spinal canal for tumor resection. Another technique is split laminotomy, which entails the division and retraction of the spinous processes and laminae to access the thecal sac. This technique has been employed for small-segment exposures, but not extensively explored for long-segment exposures. CASE: A 2-month-old male presented with progressive right-leg plegia. MRI of the spine revealed a large, intramedullary spinal-cord lipoma extending from C6 to L5...
March 23, 2017: Pediatric Neurosurgery
https://www.readbyqxmd.com/read/28323803/patient-response-to-an-integrated-orthotic-and-rehabilitation-initiative-for-traumatic-injuries-the-prioriti-mtf-study
#2
Joseph R Hsu, Johnny G Owens, Jennifer DeSanto, John R Fergason, Kevin M Kuhn, Benjamin K Potter, Daniel J Stinner, Robert G Sheu, Sandra L Waggoner, Jason M Wilken, Yanjie Huang, Daniel O Scharfstein, Ellen J MacKenzie
Although limb salvage is now possible for many high-energy open fractures and crush injuries to the distal tibia, ankle, hindfoot, and midfoot, orthotic options are limited. The Intrepid Dynamic Exoskeletal Orthosis (IDEO) is a custom, energy-storing carbon fiber orthosis developed for trauma patients undergoing limb salvage. The IDEO differs from other orthoses in that it allows patients with ankle weakness to have more normal ankle biomechanics and increased ankle power. This article describes the design of a study to evaluate the effectiveness of the IDEO when delivered together with a high-intensity, sports medicine-based approach to rehabilitation...
April 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/28323240/the-impact-of-continuous-use-of-lumbosacral-orthoses-on-trunk-motor-performance-a-systematic-review-with-meta-analysis
#3
REVIEW
Hiroshi Takasaki, Takahiro Miki
BACKGROUND CONTEXT: The lumbosacral orthosis (LSO) is prescribed by general practitioners for the management of low back pain. It may be speculated that continuous use of the LSO for a prolonged period reduces mechanical loading to the trunk muscle in daily living and results in impairments of the trunk muscle. PURPOSE: To investigate whether the trunk motor performances are impaired by continuous use of the lumbosacral orthosis. STUDY DESIGN/SETTING: Systematic review with meta-analysis...
March 17, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28317654/short-thumb-opponens-orthosis-a-whale-of-a-design
#4
R Cantero-Téllez, Deborah A Schwartz, Jorge Hugo Villafañe, Jean Christophe Arias
No abstract text is available yet for this article.
January 2017: Journal of Hand Therapy: Official Journal of the American Society of Hand Therapists
https://www.readbyqxmd.com/read/28314214/gait-biomechanics-following-lower-extremity-trauma-amputation-vs-reconstruction
#5
Elizabeth Russell Esposito, Daniel J Stinner, John R Fergason, Jason M Wilken
BACKGROUND: Surgical advances have substantially improved outcomes for individuals sustaining traumatic lower extremity injury. Injuries once requiring lower limb amputation are now routinely managed with limb reconstruction surgery. However, comparisons of functional outcomes between the procedures are inconclusive. PURPOSE: To compare gait biomechanics after lower limb reconstruction and transtibial amputation. METHODS: Twenty-four individuals with unilateral lower limb reconstruction wearing a custom ankle-foot orthosis (Intrepid Dynamic Exoskeletal Orthosis), 24 with unilateral, transtibial amputation, and 24 able-bodied control subjects underwent gait analysis at a standardized Froude speed based on leg length...
February 21, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28291409/association-between-bicortical-screw-fixation-at-upper-instrumented-vertebra-and-risk-for-upper-instrumented-vertebra-fracture
#6
Young-Seop Park, Seung-Jae Hyun, Ho Yong Choi, Ki-Jeong Kim, Tae-Ahn Jahng
OBJECTIVE The aim of this study was to investigate the risk of upper instrumented vertebra (UIV) fractures associated with UIV screw fixation (unicortical vs bicortical) and polymethylmethacrylate (PMMA) augmentation after adult spinal deformity surgery. METHODS A single-center, single-surgeon consecutive series of adult patients who underwent lumbar fusion for ≥ 4 levels (that is, the lower instrumented vertebra at the sacrum or pelvis and the UIV of the thoracolumbar spine [T9-L2]) were retrospectively reviewed...
March 3, 2017: Journal of Neurosurgery. Spine
https://www.readbyqxmd.com/read/28286982/rationale-for-prescription-and-effectiveness-of-upper-limb-orthotic-intervention-for-children-with-cerebral-palsy-a-systematic-review
#7
Simon Garbellini, Yvette Robert, Melinda Randall, Catherine Elliott, Christine Imms
PURPOSE: To explore (i) reasons for upper limb orthosis prescription for children with cerebral palsy (CP), (ii) the link between reason and effect according to intended outcome and outcome measure utilized and (iii) to classify the prescribed orthoses using standard terminology. METHOD: A prospectively registered (center for reviews and dissemination: 42015022067) systematic review searched for experimental and observational studies investigating rigid/thermoplastic upper limb orthotic intervention for children aged 0-18 with CP...
March 12, 2017: Disability and Rehabilitation
https://www.readbyqxmd.com/read/28284572/an-articulated-ankle-foot-orthosis-with-adjustable-plantarflexion-resistance-dorsiflexion-resistance-and-alignment-a-pilot-study-on-mechanical-properties-and-effects-on-stroke-hemiparetic-gait
#8
Toshiki Kobayashi, Michael S Orendurff, Grace Hunt, Lucas S Lincoln, Fan Gao, Nicholas LeCursi, K Bo Foreman
Mechanical properties of an articulated ankle-foot orthosis (AFO) are closely related to gait performance in individuals post-stroke. This paper presents a pilot study on the mechanical properties of a novel articulated AFO with adjustable plantarflexion resistance, dorsiflexion resistance and alignment, and its effect on ankle and knee joint kinematics and kinetics in an individual post-stroke during gait. The mechanical properties of the AFO were quantified. Gait analysis was performed using a 3D motion capture system with a split-belt instrumented treadmill under 12 different settings of the mechanical properties of the AFO [i...
March 8, 2017: Medical Engineering & Physics
https://www.readbyqxmd.com/read/28280915/-orthoses-and-assistive-devices-in-rheumatology-prevention-of-disability-support-of-residual-function
#9
T Fikentscher, H R Springorum, J Grifka, J Götz
Due to the frequent presence of comorbidities in patients suffering from rheumatism with increased perioperative risk factors, conservative treatment is often needed. Besides pharmacological treatment, physiotherapy and occupational therapy, a variety of orthoses are available depending on the individual indications. They can be used to stabilize or support joints, limit the range of motion, prevent unphysiological movements or provide relief for affected limbs. In order to choose the right kind of orthosis, the physician should know the underlying cause of disease...
March 9, 2017: Zeitschrift Für Rheumatologie
https://www.readbyqxmd.com/read/28271943/the-effects-of-talus-control-foot-orthoses-in-children-with-flexible-flatfoot
#10
So Young Ahn, Soo Kyung Bok, Bong Ok Kim, In Sik Park
BACKGROUND: A talus control foot orthosis (TCFO) combines an inverted rigid foot orthosis (RFO) with a broad upright portion that rises well above the navicular to cover and protect the talonavicular joint. We sought to identify the therapeutic effect of TCFOs in children with flexible flatfoot. METHODS: Flexible flatfoot was diagnosed in 40 children when either of the feet had greater than 4° valgus of resting calcaneal stance position (RCSP) angle and one of the radiographic indicators was greater than 30° in anteroposterior talocalcaneal angles, 45° in lateral talocalcaneal angles, and 4° in lateral talometatarsal angles and less than 10° of calcaneal pitch in barefoot radiographs...
January 2017: Journal of the American Podiatric Medical Association
https://www.readbyqxmd.com/read/28269403/a-wearable-robotic-orthosis-with-a-spring-assist-actuator
#11
Seungmin Jung, Chankyu Kim, Jisu Park, Dongyoub Yu, Jaehwan Park, Junho Choi
This paper introduces a wearable robotic orthosis with spring-assist actuators, which is designed to assist people who have difficulty in walking. The spring-assist actuator consists of an electrical motor and a spring, which are attached to a rotational axis in parallel to each other. The spring-assist actuator is developed based on the analysis on the stiffness of the knee and hip joints during walking. "COWALK-Mobile," which is a wearable robotic orthosis, is developed using the spring-assist actuators to reduce the required motor torque during walking...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269401/evaluation-of-a-wrist-orthosis-on-lofstrand-crutch-assisted-gait
#12
Deen Farooq, Omid Jahanian, Brooke A Slavens, Elizabeth T Hsiao-Wecksler
Lofstrand, or forearm, crutches are a common assistive mobility device for those with functional impairments. However, repeated loading of the wrist and palmar region and continual hyperextension of the wrist during Lofstrand crutch usage may cause wrist strain, pain, and secondary injuries such as carpal tunnel syndrome. In order to reduce risk of injury, a novel wrist orthosis was developed with the intent of improving wrist posture and reducing/redirecting palmar loads from the carpal tunnel region to the adductor pollicis area...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269395/simulation-of-fluid-environment-using-a-robotic-orthosis-on-human-lower-extremity-for-therapeutic-purposes
#13
Tayfun Efe Ertop, Tolga Yuksel, Erhan Ilhan Konukseven
Rehabilitation under water is a viable physical rehabilitation option, but it has some limitations in terms of adapting to needs of each patient. In addition, its facility requirements are relatively high. Simulating the fluid environment using a robotic system would enable therapists adjust various parameters so that the therapy is tailored to the patient's unique state. Also, using a robotic system instead might be less costly and easily reachable. In this study, human lower extremity movement in fluids is modeled...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28269004/activity-recognition-in-patients-with-lower-limb-impairments-do-we-need-training-data-from-each-patient
#14
Luca Lonini, Aakash Gupta, Konrad Kording, Arun Jayaraman
Machine learning allows detecting specific physical activities using data from wearable sensors. Such a quantification of patient mobility over time promises to accurately inform clinical decisions for physical rehabilitation. There are two strategies of setting up the machine learning problem: detect one patient's activities using data from the same patient (personal model) or detect their activities using data from other patients (global model), and we currently do not know if personal models are necessary...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28268771/knee-orthosis-with-variable-stiffness-and-damping-that-simulates-hemiparetic-gait
#15
Christina-Anne Lahiff, Tyagi Ramakrishnan, Seok Hun Kim, Kyle Reed
Individuals with unilateral stroke have neuromuscular weakness or paralysis on one side of the body caused by some muscles disengaging and others overexciting. Hyperextension of the knee joint and complete lack of plantar flexion of the ankle joint are common symptoms of stroke. This paper focuses on the creation and implementation of a small, lightweight, and adjustable orthotic device to be positioned around the knee of an able-bodied person to simulate hemiparetic gait. Force and range of motion data from able-bodied subjects fitted with the orthosis, inducing hemiparetic gait, was collected using the Computer Assisted Rehabilitation ENvironment (CAREN) system...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28265141/short-term-effects-of-physiotherapy-combining-repetitive-facilitation-exercises-and-orthotic-treatment-in-chronic-post-stroke-patients
#16
Kazutoshi Tomioka, Shuji Matsumoto, Keiko Ikeda, Tomohiro Uema, Jun-Ichi Sameshima, Yuji Sakashita, Tomokazu Kaji, Megumi Shimodozono
[Purpose] This study investigated the short-term effects of a combination therapy consisting of repetitive facilitative exercises and orthotic treatment. [Subjects and Methods] The subjects were chronic post-stroke patients (n=27; 24 males and 3 females; 59.3 ± 12.4 years old; duration after onset: 35.7 ± 28.9 months) with limited mobility and motor function. Each subject received combination therapy consisting of repetitive facilitative exercises for the hemiplegic lower limb and gait training with an ankle-foot orthosis for 4 weeks...
February 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/28257426/effects-of-different-medial-arch-support-heights-on-rearfoot-kinematics
#17
Gunnar Wahmkow, Michael Cassel, Frank Mayer, Heiner Baur
BACKGROUND: Foot orthoses are usually assumed to be effective by optimizing mechanically dynamic rearfoot configuration. However, the effect from a foot orthosis on kinematics that has been demonstrated scientifically has only been marginal. The aim of this study was to examine the effect of different heights in medial arch-supported foot orthoses on rear foot motion during gait. METHODS: Nineteen asymptomatic runners (36±11years, 180±5cm, 79±10kg; 41±22km/week) participated in the study...
2017: PloS One
https://www.readbyqxmd.com/read/28252387/gait-phase-estimation-based-on-noncontact-capacitive-sensing-and-adaptive-oscillators
#18
Enhao Zheng, Silvia Manca, Tingfang Yan, Andrea Parri, Nicola Vitiello, Qining Wang
This paper presents a novel strategy aiming to acquire an accurate and walking-speed-adaptive estimation of the gait phase through noncontact capacitive sensing and adaptive oscillators (AOs). The capacitive sensing system is designed with two sensing cuffs that can measure the leg muscle shape changes during walking. The system can be dressed above the clothes and free human skin from contacting to electrodes. In order to track the capacitance signals, the gait phase estimator is designed based on the AOs dynamic system due to its ability of synchronizing with quasi-periodic signals...
February 23, 2017: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/28246134/precision-orthotics-optimising-ankle-foot-orthoses-to-improve-gait-in-patients-with-neuromuscular-diseases-protocol-of-the-proof-afo-study-a-prospective-intervention-study
#19
Niels F J Waterval, Frans Nollet, Jaap Harlaar, Merel-Anne Brehm
INTRODUCTION: In patients with neuromuscular disorders and subsequent calf muscle weakness, metabolic walking energy cost (EC) is nearly always increased, which may restrict walking activity in daily life. To reduce walking EC, a spring-like ankle-foot-orthosis (AFO) can be prescribed. However, the reduction in EC that can be obtained from these AFOs is stiffness dependent, and it is unknown which AFO stiffness would optimally support calf muscle weakness. The PROOF-AFO study aims to determine the effectiveness of stiffness-optimised AFOs on reducing walking EC, and improving gait biomechanics and walking speed in patients with calf muscle weakness, compared to standard, non-optimised AFOs...
February 28, 2017: BMJ Open
https://www.readbyqxmd.com/read/28241776/the-effectiveness-of-robot-assisted-gait-training-versus-conventional-therapy-on-mobility-in-severely-disabled-progressive-multiple-sclerosis-patients-ragtime-study-protocol-for-a-randomized-controlled-trial
#20
Sofia Straudi, Fabio Manfredini, Nicola Lamberti, Paolo Zamboni, Francesco Bernardi, Giovanna Marchetti, Paolo Pinton, Massimo Bonora, Paola Secchiero, Veronica Tisato, Stefano Volpato, Nino Basaglia
BACKGROUND: Gait and mobility impairments affect the quality of life (QoL) of patients with progressive multiple sclerosis (MS). Robot-assisted gait training (RAGT) is an effective rehabilitative treatment but evidence of its superiority compared to other options is lacking. Furthermore, the response to rehabilitation is multidimensional, person-specific and possibly involves functional reorganization processes. The aims of this study are: (1) to test the effectiveness on gait speed, mobility, balance, fatigue and QoL of RAGT compared to conventional therapy (CT) in progressive MS and (2) to explore changes of clinical and circulating biomarkers of neural plasticity...
February 27, 2017: Trials
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