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https://www.readbyqxmd.com/read/28103196/sensor-based-gait-parameter-extraction-with-deep-convolutional-neural-networks
#1
Julius Hannink, Thomas Kautz, Cristian Pasluosta, Karl-Gunter Gassmann, Jochen Klucken, Bjoern Eskofier
Measurement of stride-related, biomechanical parameters is the common rationale for objective gait impairment scoring. State-of-the-art double integration approaches to extract these parameters from inertial sensor data are, however, limited in their clinical applicability due to the underlying assumptions. To overcome this, we present a method to translate the abstract information provided by wearable sensors to context-related expert features based on deep convolutional neural networks. Regarding mobile gait analysis, this enables integration-free and data-driven extraction of a set of eight spatio-temporal stride parameters...
December 8, 2016: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28103162/indicators-of-prognosis-for-admissions-from-a-specialist-diabetic-foot-clinic-a-retrospective-service-improvement-exercise
#2
Z Essackjee, C Gooday, I Nunney, K Dhatariya
OBJECTIVE: To look at haematological and biochemical variables as predictors of outcomes in people admitted to hospital with a diabetic foot ulcer (DFU) without the use of technology or devices. In particular, to see if there was a relationship between admission blood cell and protein levels, and the likelihood of angioplasty, amputation, and death at one year after admission. METHOD: A five-year retrospective analysis of patients admitted to a tertiary multidisciplinary specialist diabetic foot clinic looking at admission C-reactive protein (CRP), white cell count (WCC), neutrophil count and HbA1c and their relationship to likelihood of angioplasty, minor or major amputation, and death at one year after admission...
January 2, 2017: Journal of Wound Care
https://www.readbyqxmd.com/read/28100126/everolimus-eluting-stent-for-patients-with-critical-limb-ischemia-and-infrapopliteal-arterial-occlusive-disease
#3
Alessia Giaquinta, Ardita Vincenzo, Ester De Marco, Massimiliano Veroux, Pierfrancesco Veroux
BACKGROUND: Critical limb ischemia (CLI), despite revascularization, may result in minor or major amputations with devastating psychological effects and a negative impact on patient survival. Randomized clinical trials demonstrated that drug-eluting stents improve 1-year primary patency and decrease target lesion revascularization, compared to standard angioplasty and bare-metal stents, in patients with short occlusive below-the-knee lesions. OBJECTIVES: This prospective clinical study was designed to evaluate if one straight-line flow revascularization to the foot, using Xience-Prime Everolimus-Eluting Stent (EES), is an effective treatment of patients in Rutherford-Becker category 4 to 5 with distal popliteal and proximal tibial arteries long occlusive lesions up to 10 cm...
January 1, 2017: Vascular and Endovascular Surgery
https://www.readbyqxmd.com/read/28090004/difference-in-dynamic-body-balance-between-forward-and-lateral-single-leg-hop-landing
#4
Yukiko Kawakami, Issei Ogasawara, Yasukazu Yonetani, Rikio Takao, Tatsuo Mae, Ken Nakata, Shuji Horibe
Since the loss of balance can result in falls or lower extremity injuries during sports or daily activities, quantitative evaluation of one's ability to maintain balance with changes in the direction of motion is crucial. The present study aimed to assess whether the trajectory length of the center of pressure (COP) and peak values of the ground reaction force (GRF) following a single-leg hop landing differ when hopping forward or laterally, and to ascertain disparities in balance characteristics due to differences in hop direction...
January 16, 2017: Kurume Medical Journal
https://www.readbyqxmd.com/read/28089127/mini-invasive-treatment-for-brachymetatarsia-of-the-fourth-ray-in-females-percutaneous-osteotomy-with-mini-burr-and-external-fixation-a-case-series
#5
Federico Fusini, Francesco Langella, Ottorino Catani, Fabrizio Sergio, Fabio Zanchini
Brachymetatarsia is a rare disease defined by metatarsal shortening and characterized by aesthetic dissatisfaction with or without pain. The aim of our study was to evaluate the outcomes of fourth ray brachymetatarsia treated with percutaneous osteotomy using a mini-burr and gradual lengthening with external fixation. A total of 7 females were recruited for the study; 6 (85.71%) of whom had a bilateral deformity, for a total of 13 feet affected by fourth ray brachymetatarsia. Percutaneous diaphysis osteotomy with a mini-burr followed by metatarsal elongation was performed...
January 6, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28088938/clinical-analysis-of-54-cases-of-large-area-soft-tissue-avulsion-in-the-lower-limb
#6
Yu Chen, Lei Liu
OBJECTIVE: To assess the clinical curative effect of different treatment methods for large area avulsion injury in the lower limb. METHODS: Between January 2010 and December 2013, 54 patients with large area avulsion injury in the lower limb were treated in the trauma center of our hospital, including 34 males and 20 females with a mean age of 35.7 years (range, 16-65 years). The injury mechanism was traffic accident in 44 cases, hitting by heavy objects in 8 cases, and fall from height in 2 cases, involving 31 thighs, 19 legs and 4 feet involved...
December 1, 2016: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/28054923/descriptive-longitudinal-study-results-applied-to-statistical-models-to-assess-the-impact-of-early-microbiological-cultures-on-the-economic-burden-of-treatment-for-infected-diabetic-foot-ulcers-at-a-mexican-public-health-facility
#7
Luz-Ma-Adriana Balderas-Peña, Daniel Sat-Muñoz, Rosa-Emilia Ramírez-Conchas, Moisés-Roberto Alvarado-Iñiguez, Javier-Eduardo García-de-Alba-García, Eduardo Cruz-Corona, José-Luis Chávez-Hurtado, José-Martín Chagollán-Ramírez
Infection plays a critical role in health care and impacts the cost of the treatment of diabetic foot ulcers (DFU). To examine the cost reduction associated with the multidisciplinary treatment of infected DFU (IDFU) by obtaining early (ie, within 48 hours of admission) microbiological culture results, a descriptive, longitudinal study was conducted. Data were collected prospectively from patient medical charts of a cohort of 67 patients (mean age, 56.14 ± 12.3 years; mean duration of diabetes, 14.95 ± 8 years) with IDFU treated at a Mexican public health facility from January 1 to April 30, 2010...
December 2016: Ostomy/wound Management
https://www.readbyqxmd.com/read/28040088/restoration-of-long-bone-defects-treated-with-the-induced-membrane-technique-protocol-and-outcomes
#8
Peter V Giannoudis, Paul J Harwood, Theodoros Tosounidis, Nikolaos K Kanakaris
This prospective study was undertaken at a regional tertiary referral centre to evaluate the results of treatment of bone defects managed with the induced membrane (IM) technique. Inclusion criteria were patients with bone defects secondary to septic non-union, chronic osteomyelitis and acute fracture with bone loss. Pathological fractures with bone loss were excluded. Data collection included patient demographics, pathology, previous surgical intervention, size of bone defect, type of graft implanted, time-to-union and complications/reinterventions...
December 2016: Injury
https://www.readbyqxmd.com/read/28033577/reliability-and-validity-of-the-protokinetics-movement-analysis-software-in-measuring-center-of-pressure-during-walking
#9
Robert C Lynall, Lisa A Zukowski, Prudence Plummer, Jason P Mihalik
Our purpose was to determine the validity and test-retest reliability of the Protokinetics Movement Analysis Software (PKMAS) in measuring center of pressure (COP) during walking as compared to a force plate gold standard. Twenty-five healthy participants (14 females, 11 males; age 20.0±1.5years) completed 2 testing sessions approximately 5days apart (mean=5.5±1.1 days). In each session, participants completed 16 total trials across a 6m walkway: 8 trials walking on a ProtoKinetics Zeno Walkway using PKMAS and 8 trials walking over 2 force plates arranged in an offset tandem pattern...
December 21, 2016: Gait & Posture
https://www.readbyqxmd.com/read/28033483/bipedal-hopping-reveals-evidence-of-advanced-neuromuscular-aging-among-people-with-mild-multiple-sclerosis
#10
Megan C Kirkland, Matthew B Downer, Brett J Holloway, Elizabeth M Wallack, Evan J Lockyer, Natasha C M Buckle, Courtney L Abbott, Michelle Ploughman
Measures of walking such as the timed 25-ft walk test (T25FWT) may not be able to detect subtle impairment in lower limb function among people with multiple sclerosis (MS). We examined bipedal hopping to determine to what extent people with mild (Expanded Disease Severity Scale ≤ 3.5) MS (n = 13) would differ compared to age-, gender-, and education-matched controls (n = 9) and elderly participants (n = 13; ≥ 70 years old). We estimated lower limb power (e.g., hop length, velocity), consistency (e.g., variability of hop length, time), and symmetry (ratio of left to right foot)...
December 29, 2016: Journal of Motor Behavior
https://www.readbyqxmd.com/read/28031510/use-of-a-magnetic-bone-nail-for-lengthening-of-the-femur-and-tibia
#11
Ozgur Karakoyun, Sami Sokucu, Mehmet Fatih Erol, Metin Kucukkaya, Yavuz Selim Kabukçuoğlu
PURPOSE: To report our experience with the PRECICE nail for limb lengthening in 23 patients. METHODS: Records of 15 female and 8 male patients aged 14 to 38 (mean, 23.6) years who underwent lengthening of the tibia (n=6) or femur (n=21) using the PRECICE nail were reviewed. The reasons for lengthening included trauma (n=7), hemihypertrophy (n=2), focal femoral deficiency (n=2), Ellis-van Creveld syndrome (n=1), hip septic arthritis sequelae (n=1), hereditary multiple exostosis (n=1), club foot sequela (n=1), congenital tibial pseudoarthrosis (n=1), fibrous dysplasia (n=1), idiopathic limb length discrepancy (n=7), and cosmetic (n=1)...
December 2016: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28030650/two-genotypes-of-coxsackievirus-a2-associated-with-hand-foot-and-mouth-disease-circulating-in-china-since-2008
#12
Qian Yang, Yong Zhang, Dongmei Yan, Shuangli Zhu, Dongyan Wang, Tianjiao Ji, Xiaolei Li, Yang Song, Xinrui Gu, Wenbo Xu
Coxsackievirus A2 (CV-A2) has been frequently detected and commonly associated with hand, foot, and mouth disease (HFMD) in China since 2008. However, limited sequences of CV-A2 are currently available. As a result, we have been focusing on the genetic characteristics of CV-A2 in the mainland of China during 2008-2015 based on national HFMD surveillance. In this study, 20 CV-A2 strains were isolated and phylogenetic analyses of the VP1 sequences were performed. Full-length genome sequences of two representative CV-A2 isolates were acquired and similarity plot and bootscanning analyses were performed...
2016: PloS One
https://www.readbyqxmd.com/read/28027667/do-structural-changes-of-the-foot-influence-plantar-pressure-patterns-during-various-stages-of-pregnancy-and-postpartum
#13
Preetha Ramachandra, Pratap Kumar, Asha Kamath, Arun G Maiya
BACKGROUND: The foot of a pregnant woman undergoes morphological changes with the advancement of pregnancy. It is important to understand the structural changes of the foot during pregnancy and postpartum because any such change may alter the plantar pressure pattern and the entire foot biomechanics. METHOD: Primigravidae with a gestational age of 12 weeks or less, aged between 18 and 35 years were included in the study. They were prospectively studied across 5 time periods during pregnancy and postpartum...
December 1, 2016: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28010733/minimally-invasive-sinus-tarsi-approach-for-calcaneal-fractures
#14
Zhe Wang, Xiu Hui Wang, Sheng Long Li, Xin Tang, Bei Gang Fu, Ming Hui Wang, Sheng Li Xia
BACKGROUND: According to the anatomic characteristics of the calcaneus and the sinus tarsi approach, we designed a combined plate. The goal of this study was to retrospectively assess the functional outcomes and complications of treatment with our self-designed plate. METHODS: From March 2014 to October 2015, 18 patients with closed calcaneal fractures (14 Sanders type II and 4 type III) were treated with our combined locking plate through a minimally invasive sinus tarsi approach...
December 23, 2016: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/28008554/estimation-of-stature-by-using-the-dimensions-of-the-right-hand-and-right-foot-in-han-chinese-adults
#15
Xinghua Zhang, Yu Wei, Lianbin Zheng, Keli Yu, Dapeng Zhao, Jinping Bao, Yonglan Li, Shunhua Lu, Huanjiu Xi, Guochang Xu, Youfeng Wen
The Han Chinese people are the main ethnic group in China and the largest ethnic group in the world. The dimensions of the hands and feet have been successfully used for the estimation of stature. A total of 26,927 healthy adult subjects, comprising 13,221 men and 13,706 women, were recruited. The survey samples were chosen through random cluster sampling. The mean values were significantly higher in men than those in women for all measurements (P<0.001). All the measurements showed a statistically significant correlation with stature (P<0...
December 21, 2016: Science China. Life Sciences
https://www.readbyqxmd.com/read/28003562/a-novel-diffusion-tensor-mri-approach-for-skeletal-muscle-fascicle-length-measurements
#16
Jos Oudeman, Valentina Mazzoli, Marco A Marra, Klaas Nicolay, Mario Maas, Nico Verdonschot, Andre M Sprengers, Aart J Nederveen, Gustav J Strijkers, Martijn Froeling
Musculoskeletal (dys-)function relies for a large part on muscle architecture which can be obtained using Diffusion-Tensor MRI (DT-MRI) and fiber tractography. However, reconstructed tracts often continue along the tendon or aponeurosis when using conventional methods, thus overestimating fascicle lengths. In this study, we propose a new method for semiautomatic segmentation of tendinous tissue using tract density (TD). We investigated the feasibility and repeatability of this method to quantify the mean fascicle length per muscle...
December 2016: Physiological Reports
https://www.readbyqxmd.com/read/27992549/molecular-characterization-and-functional-analysis-of-a-putative-octopamine-tyramine-receptor-during-the-developmental-stages-of-the-pacific-oyster-crassostrea-gigas
#17
Peng Ji, Fei Xu, Baoyu Huang, Yingxiang Li, Li Li, Guofan Zhang
Octopamine (OA) and its precursor, tyramine (TA), participate in invertebrate development such as growth, maturation, and reproduction by activating their corresponding G protein-coupled receptors (GPCRs). Although OA was first discovered in mollusks (octopus), subsequent studies on OA, TA and related receptors have primarily been conducted in Ecdysozoa, especially in insects. Accordingly, only limited reports on OA/TA receptors in mollusks are available and their physiological roles remain unclear. Here, a full-length cDNA encoding a putative 524 amino acid OA/TA receptor (CgGPR1) was isolated from the Pacific oyster Crassostrea gigas...
2016: PloS One
https://www.readbyqxmd.com/read/27989355/knee-shoulder-and-fundamentals-of-arthroscopic-surgery-training-validation-of-a-virtual-arthroscopy-simulator
#18
Josef N Tofte, Brian O Westerlind, Kevin D Martin, Brian L Guetschow, Bastián Uribe-Echevarria, Chamnanni Rungprai, Phinit Phisitkul
PURPOSE: To validate the knee, shoulder, and virtual Fundamentals of Arthroscopic Training (FAST) modules on a virtual arthroscopy simulator via correlations with arthroscopy case experience and postgraduate year. METHODS: Orthopaedic residents and faculty from one institution performed a standardized sequence of knee, shoulder, and FAST modules to evaluate baseline arthroscopy skills. Total operation time, camera path length, and composite total score (metric derived from multiple simulator measurements) were compared with case experience and postgraduate level...
December 15, 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27982715/the-effect-of-footwear-adapted-with-a-multi-curved-rocker-sole-in-conjunction-with-knee-ankle-foot-orthoses-on-walking-in-poliomyelitis-subjects-a-pilot-study
#19
Ali Mojaver, Mokhtar Arazpour, Gholamreza Aminian, Monireh Ahmadi Bani, Mahmood Bahramizadeh, Guive Sharifi, Arash Sherafatvaziri
BACKGROUND: Knee-ankle-foot orthoses (KAFOs) are used by people with poliomyelitis to ambulate. Whist advances in orthotic knee joint designs for use in KAFOs such the provision of stance control capability have proven efficacy, little attention has been paid to shoe adaptations which may also improve gait. AIM: The aim of this study was to evaluate the alteration to the kinematics and temporal-spatial parameters of gait caused by the use of heel-to-toe rocker-soled footwear when ambulating with KAFOs...
December 16, 2016: Disability and Rehabilitation. Assistive Technology
https://www.readbyqxmd.com/read/27974562/in-vivo-imaging-with-bioluminescent-enterovirus-71-allows-for-real-time-visualization-of-tissue-tropism-and-viral-spread
#20
Elizabeth A Caine, Jorge E Osorio
: Hand, foot, and mouth disease (HFMD) is a re-emerging illness caused by a variety of enteroviruses. The main causative agents are enterovirus 71 (EV71), Coxsackievirus A16 (CVA16), and most recently Coxsackievirus A6 (CVA6). Infections of enteroviruses can vary from asymptomatic, mild fever and blisters on infected individual's hands, feet, and throat, to severe neurological complications. Viral persistence has also been documented for weeks post infection (w.p.i.) by demonstration of virus in the stool of children...
December 14, 2016: Journal of Virology
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