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https://www.readbyqxmd.com/read/28984769/conservative-treatment-for-equinus-deformity-in-children-with-cerebral-palsy-using-an-adjustable-splint-assisted-ankle-foot-orthosis
#1
Wei Chen, Xiaoyu Liu, Fang Pu, Yang Yang, Lizhen Wang, Hong Liu, Yubo Fan
BACKGROUND: A novel splint, the assisting ankle-foot orthoses (AFO), was developed to provide adjustable sustained stretching to improve conservative treatment for equinus deformities in children with cerebral palsy (CP). The treatment effect was validated by follow-up visits. METHODS: This study involved subjects between 2 and 12 years old, including 28 CP children treated with splint-assisted AFO correction, 30 CP children treated with static AFO correction, and 30 normal children with typical development (TD)...
October 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28945975/effect-of-muscle-tone-on-ankle-kinetics-during-gait-with-ankle-foot-orthoses-in-persons-with-stroke
#2
Shiho Mizuno, Shigeru Sonoda, Kotaro Takeda, Shinichiro Maeshima
Background Individuals exhibiting hemiplegia and increased ankle plantar flexors muscle tone following stroke are frequently prescribed an ankle-foot orthosis (AFO) to regain functional ambulation. The effect of muscle tone on ankle kinetics when walking with an AFO remains unknown. Objectives To investigate the effect of plantar flexion (PF) muscle tone on ankle plantar flexion torque during walking with an ankle-foot orthosis Methods The study included 80 participants with first-ever stroke whose manual muscle testing (MMT) of ankle DF 0-4, and 10 healthy subjects...
September 25, 2017: Topics in Stroke Rehabilitation
https://www.readbyqxmd.com/read/28923286/abnormally-fertilized-oocytes-can-result-in-healthy-live-births-improved-genetic-technologies-for-preimplantation-genetic-testing-can-be-used-to-rescue-viable-embryos-in-in-vitro-fertilization-cycles
#3
Antonio Capalbo, Nathan Treff, Danilo Cimadomo, Xin Tao, Susanna Ferrero, Alberto Vaiarelli, Silvia Colamaria, Roberta Maggiulli, Giovanna Orlando, Catello Scarica, Richard Scott, Filippo Maria Ubaldi, Laura Rienzi
OBJECTIVE: To test whether abnormally fertilized oocyte (AFO)-derived blastocysts are diploid and can be rescued for clinical use. DESIGN: Longitudinal-cohort study from January 2015 to September 2016 involving IVF cycles with preimplantation genetic testing for aneuploidy (PGT-A). Ploidy assessment was incorporated whenever a blastocyst from a monopronuclear (1PN) or tripronuclear zygote (2PN + 1 smaller PN; 2.1 PN) was obtained. SETTING: Private IVF clinics and genetics laboratories...
September 15, 2017: Fertility and Sterility
https://www.readbyqxmd.com/read/28918357/long-term-follow-up-after-tibialis-anterior-tendon-shortening-in-combination-with-achilles-tendon-lengthening-in-spastic-equinus-in-cerebral-palsy
#4
Michèle Kläusler, Bernhard Maria Speth, Reinald Brunner, Oren Tirosh, Carlo Camathias, Erich Rutz
Using Tibialis Anterior Shortening (TATS) in combination with Achilles Tendon Lengthening (TAL) to treat spastic equinus in children with cerebral palsy (CP) was described in 2011. Short-term results have indicated a good outcome, especially an improvement of the drop foot in swing phase and the correction of equinus in stance phase. The aim of this study was to analyse the results of the long-term follow-up and to determine the relapse rate of TATS and TAL. The kinematics of the sagittal, frontal and transversal planes were measured by using instrumented 3D gait analysis at three defined time points and then described using the Gait Profile Score (GPS) and Movement Analysis Profile (MAP)...
August 30, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28915105/variations-of-ankle-foot-orthosis-constrained-movements-increase-ankle-range-of-movement-while-maintaining-power-output-of-recumbent-cycling
#5
Puteri N F Hamdan, Nur Azah Hamzaid, Juliana Usman, Md Anamul Islam, Victor S P Kean, Ahmad K Abdul Wahab, Nazirah Hasnan, Glen M Davis
Previous research investigated recumbent cycle power output (PO) from the perspective of knee and hip joint biomechanics. However, ankle-foot biomechanics and, in particular, the effect of ankle-foot orthosis (AFO)-constrained movements on cycle PO has not been widely explored. Therefore, the purpose of this study was to determine whether AFOs of a fixed position (FP) and in dorsi-plantarflexion (DPF)-, dorsiflexion (DF)- and plantarflexion (PF)-constrained movements might influence PO during voluntary recumbent cycling exercises...
September 15, 2017: Biomedizinische Technik. Biomedical Engineering
https://www.readbyqxmd.com/read/28904631/do-research-papers-provide-enough-information-on-design-and-material-used-in-ankle-foot-orthoses-for-children-with-cerebral-palsy-a-systematic-review
#6
N Eddison, M Mulholland, N Chockalingam
OBJECTIVES: The purpose of this article is to determine how many of the current peer-reviewed studies of ankle foot or-thoses (AFOs) on children with cerebral palsy (CP) have included adequate details of the design and material of the AFO, to enable the study to be reproduced and outcomes clearly understood. METHODS: A thorough search of studies published in English was conducted in March 2015, with no restriction on dates, within all major databases using relevant phrases...
August 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28867667/long-term-effects-of-orthoses-use-on-the-changes-of-foot-and-ankle-joint-motions-of-children-with-spastic-cerebral-palsy
#7
Xue-Cheng Liu, David Embrey, Channing Tassone, Kim Zvara, Brenna Brandsma, Roger Lyon, Karin Goodfriend, Sergey Tarima, John Thometz
BACKGROUND: Orthoses commonly are prescribed to children with cerebral palsy (CP) to provide foot correction and to improve ambulatory function. Immediate effects of ankle foot orthosis (AFOs) have been investigated, but long-term kinematic effects are lacking clinical evidence. OBJECTIVE: To determine changes in 3-dimensional ankle and foot segment motion in pediatric patients with CP between initial and follow-up visits (18-month average time differences) in both barefoot gait and gait with their AFO...
September 1, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28854391/monitoring-tylosin-and-sulfamethazine-in-a-tile-drained-agricultural-watershed-using-polar-organic-chemical-integrative-sampler-pocis
#8
Maurice T Washington, Thomas B Moorman, Michelle L Soupir, Mack Shelley, Amy J Morrow
This study evaluated the influence of temporal variation on the occurrence, fate, and transport of tylosin (TYL) and sulfamethazine (SMZ); antibiotics commonly used in swine production. Atrazine (ATZ) was used as a reference analyte to indicate the agricultural origin of the antibiotics. We also assessed the impact of season and hydrology on antibiotic concentrations. A reconnaissance study of the South Fork watershed of the Iowa River (SFIR), was conducted from 2013 to 2015. Tile drain effluent and surface water were monitored using polar organic integrative sampler (POCIS) technology...
August 27, 2017: Science of the Total Environment
https://www.readbyqxmd.com/read/28827977/ankle-foot-orthosis-made-by-3d-printing-technique-and-automated-design-software
#9
Yong Ho Cha, Keun Ho Lee, Hong Jong Ryu, Il Won Joo, Anna Seo, Dong-Hyeon Kim, Sang Jun Kim
We described 3D printing technique and automated design software and clinical results after the application of this AFO to a patient with a foot drop. After acquiring a 3D modelling file of a patient's lower leg with peroneal neuropathy by a 3D scanner, we loaded this file on the automated orthosis software and created the "STL" file. The designed AFO was printed using a fused filament fabrication type 3D printer, and a mechanical stress test was performed. The patient alternated between the 3D-printed and conventional AFOs for 2 months...
2017: Applied Bionics and Biomechanics
https://www.readbyqxmd.com/read/28813820/design-of-an-exoskeleton-ankle-robot-for-robot-assisted-gait-training-of-stroke-patients
#10
Ling-Fung Yeung, Corinna Ockenfeld, Man-Kit Pang, Hon-Wah Wai, Oi-Yan Soo, Sheung-Wai Li, Kai-Yu Tong
Lower Limb Exoskeleton robot that can facilitate stair walking is a big challenge, most systems could only provide level ground walking. In this study, a lightweight (0.5kg at ankle, 0.5kg at waist for control box) and autonomous exoskeleton Ankle Robot was proposed to provide power assistance for gait training of chronic stroke patients and it can facilitate three walking conditions in real-time: (1) level walking, (2) stair ascending, and (3) stair descending. Chronic stroke patients (n=3) with drop foot gait deficit and moderate motor impairment were recruited to evaluate the system under different walking conditions (Functional Ambulatory Category: FAC=4...
July 2017: IEEE ... International Conference on Rehabilitation Robotics: [proceedings]
https://www.readbyqxmd.com/read/28780358/formation-reactivity-and-aging-of-amorphous-ferric-oxides-in-the-presence-of-model-and-membrane-bioreactor-derived-organics
#11
Mark W Bligh, Pradeep Maheshwari, T David Waite
Iron salts are routinely dosed in wastewater treatment as a means of achieving effluent phosphorous concentration goals. The iron oxides that result from addition of iron salts partake in various reactions, including reductive dissolution and phosphate adsorption. The reactivity of these oxides is controlled by the conditions of formation and the processes, such as aggregation, that lead to a reduction in accessible surface sites following formation. The presence of organic compounds is expected to significantly impact these processes in a number of ways...
July 31, 2017: Water Research
https://www.readbyqxmd.com/read/28736080/the-effect-of-ankle-foot-orthosis-alignment-on-walking-in-individuals-treated-for-traumatic-lower-extremity-injuries
#12
Starr E Brown, Elizabeth Russell Esposito, Jason M Wilken
Limb salvage surgeries are performed to treat a variety of lower limb pathologies and traumatic injuries. Individuals who have undergone limb salvage surgeries may require an ankle foot orthosis (AFO) to compensate for limb impairments and restore walking ability. Understanding the effects of AFO design parameters on gait biomechanics is important to refine AFO prescription criteria. In this study sagittal plane kinematic and kinetic data, muscle activity and alignment preference were examined as individuals treated for traumatic lower extremity injuries (N=12) walked over level ground with Plantarflexed (PF), Neutral, and Dorsiflexed (DF) aligned AFOs...
July 5, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28713039/efficacy-of-ankle-foot-orthoses-types-on-walking-in-children-with-cerebral-palsy-a-systematic-review
#13
REVIEW
Atefeh Aboutorabi, Mokhtar Arazpour, Monireh Ahmadi Bani, Hassan Saeedi, John S Head
BACKGROUND: Ankle foot orthoses (AFOs) are orthotic devices that can be used to normalize the walking pattern of children with cerebral palsy (CP). One of the aims of orthotic management is to produce a more normal gait pattern by positioning joints in the proper position to reduce pathological reflex or spasticity. OBJECTIVE: To conduct a systematic review of the literature and establish the effect of treatment with various types of AFOs on gait patterns of children with CP...
July 13, 2017: Annals of Physical and Rehabilitation Medicine
https://www.readbyqxmd.com/read/28704464/simulated-impacts-of-ankle-foot-orthoses-on-muscle-demand-and-recruitment-in-typically-developing-children-and-children-with-cerebral-palsy-and-crouch-gait
#14
Michael Rosenberg, Katherine M Steele
Passive ankle foot orthoses (AFOs) are often prescribed for children with cerebral palsy (CP) to assist locomotion, but predicting how specific device designs will impact energetic demand during gait remains challenging. Powered AFOs have been shown to reduce energy costs of walking in unimpaired adults more than passive AFOs, but have not been tested in children with CP. The goal of this study was to investigate the potential impact of powered and passive AFOs on muscle demand and recruitment in children with CP and crouch gait...
2017: PloS One
https://www.readbyqxmd.com/read/28605225/effect-of-shoes-on-stiffness-and-energy-efficiency-of-ankle-foot-orthosis-bench-testing-analysis
#15
Toshiki Kobayashi, Fan Gao, Nicholas LeCursi, K Bo Foreman, Michael S Orendurff
Understanding the mechanical properties of ankle-foot orthoses (AFOs) is important to maximize their benefit for those with movement disorders during gait. Though mechanical properties such as stiffness and/or energy efficiency of AFOs have been extensively studied, it remains unknown how and to what extent shoes influence their properties. The aim of this study was to investigate the effect of shoes on stiffness and energy efficiency of an AFO using a custom mechanical testing device. Stiffness and energy efficiency of the AFO were measured in the plantarflexion and dorsiflexion range, respectively, under AFO-alone and AFO-Shoe combination conditions...
June 12, 2017: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/28577470/ankle-foot-orthosis-bending-axis-influences-running-mechanics
#16
Elizabeth Russell Esposito, Ellyn C Ranz, Kelly A Schmidtbauer, Richard R Neptune, Jason M Wilken
Passive-dynamic ankle-foot orthoses (AFOs) are commonly prescribed to improve locomotion for people with lower limb musculoskeletal weakness. The clinical prescription and design process are typically qualitative and based on observational assessment and experience. Prior work examining the effect of AFO design characteristics generally excludes higher impact activities such as running, providing clinicians and researchers limited information to guide the development of objective prescription guidelines. The proximal location of the bending axis may directly influence energy storage and return and resulting running mechanics...
July 2017: Gait & Posture
https://www.readbyqxmd.com/read/28557592/ameloblastic-fibro-odontoma-of-the-maxilla-in-a-pierre-robin-sequence-patient
#17
Kenneth Kufta, Steve Kang, Faizan Alawi, Anna Moran, Neeraj Panchal
INTRODUCTION: Pierre Robin sequence (PRS) is a rare disorder classically observed as a triad of features including micrognathia, glossoptosis, and upper airway obstruction. It is associated with a syndrome in about 60% of cases. While odontogenic tumors are common findings in patients with familial adenomatous polyposis and nevoid basal cell carcinoma syndromes, PRS has not been found to be consistently associated with any tumors of the jaw. CASE REPORT: The current report aims to describe a patient with PRS who presented with an extensive ameloblastic fibro-odontoma (AFO) of the maxilla...
May 30, 2017: Fetal and Pediatric Pathology
https://www.readbyqxmd.com/read/28511465/digging-deeper-into-the-patello-femoral-joint-patello-femoral-composite-a-new-dimension-for-overstuffing-of-patello-femoral-joint
#18
Vikram Kishor Kandhari, Mohan M Desai, Surendar S Bava, Roshan N Wade
INTRODUCTION: Patello-femoral complications are the most common complications in postoperative Total Knee Arthroplasty (TKA) patients especially overstuffing of Patello - Femoral Joint (PFJ). So, to study the effects of overstuffing of PFJ in postoperative TKA patients we put forth a new dimension - "PATELLO - FEMORAL COMPOSITE (PFC)". This is the maximum distance between anterior cortical line of femur shaft and the anterior cortex of patella with knee in full extension. AIM: To calculate chances of overstuffing of PFJ in postoperative TKA patients and document the effect of overstuffing of PFJ on the passive knee Range of Motion (ROM) in post- op TKA patients...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28503144/rigid-ankle-foot-orthosis-deteriorates-mediolateral-balance-control-and-vertical-braking-during-gait-initiation
#19
Arnaud Delafontaine, Olivier Gagey, Silvia Colnaghi, Manh-Cuong Do, Jean-Louis Honeine
Rigid ankle-foot orthoses (AFO) are commonly used for impeding foot drop during the swing phase of gait. They also reduce pain and improve gait kinematics in patients with weakness or loss of integrity of ankle-foot complex structures due to various pathological conditions. However, this comes at the price of constraining ankle joint mobility, which might affect propulsive force generation and balance control. The present study examined the effects of wearing an AFO on biomechanical variables and electromyographic activity of tibialis anterior (TA) and soleus muscles during gait initiation (GI)...
2017: Frontiers in Human Neuroscience
https://www.readbyqxmd.com/read/28468060/-associations-between-airflow-obstruction-and-the-risks-of-morbidity-on-major-chronic-diseases-in-chinese-adults-a-prospective-cohort-study
#20
J C Li, F L Lan, C Q Yu, J Lyu, Y Guo, Z Bian, Y L Tan, P Pei, J S Chen, Z M Chen, L M Li
Objective: To examine the prospective associations between airflow obstruction (AFO) and risks of major chronic diseases morbidity in Chinese adults. Methods: Samples of this study were from the China Kadoorie Biobank. A total of 486 996 participants aged 30 to 79 years (mean 51.5 years) at the baseline study, were included after excluding those who self-reported of having heart disease, stroke and cancer at baseline. AFO was defined under the Global Initiative on Obstructive Lung Disease (GOLD) criteria and forced expiratory volume per one second in percentage of the expected one (FEV(1)% P)...
April 10, 2017: Zhonghua Liu Xing Bing Xue za Zhi, Zhonghua Liuxingbingxue Zazhi
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