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https://www.readbyqxmd.com/read/28211827/association-between-gait-variability-falls-and-mobility-in-people-with-multiple-sclerosis-a-specific-observation-on-the-edss-4-0-4-5-level
#1
Alon Kalron
BACKGROUND: We previously demonstrated that gait variability increases throughout the disease process in people with multiple sclerosis (PwMS). While gait variability tends to remain steady in the lower levels of disability, a significant increase occurs once patients reach the moderate neurological level. OBJECTIVE: To examine the relationship between variability of major spatio-temporal parameters of gait and falls, in PwMS with an expanded disability status scale score of 4...
February 13, 2017: NeuroRehabilitation
https://www.readbyqxmd.com/read/28202646/mussel-adhesion-essential-footwork
#2
REVIEW
J Herbert Waite
Robust adhesion to wet, salt-encrusted, corroded and slimy surfaces has been an essential adaptation in the life histories of sessile marine organisms for hundreds of millions of years, but it remains a major impasse for technology. Mussel adhesion has served as one of many model systems providing a fundamental understanding of what is required for attachment to wet surfaces. Most polymer engineers have focused on the use of 3,4-dihydroxyphenyl-l-alanine (Dopa), a peculiar but abundant catecholic amino acid in mussel adhesive proteins...
February 15, 2017: Journal of Experimental Biology
https://www.readbyqxmd.com/read/28188327/tactile-stimuli-affect-long-range-correlations-of-stride-interval-and-stride-length-differently-during-walking
#3
Jung Hung Chien, V N Pradeep Ambati, Chun-Kai Huang, Mukul Mukherjee
Sensory feedback below the sole of the foot using sub-threshold mechanical noise significantly reduced postural sway in patients with diabetes and stroke. However, the effects of tactile parameters on walking are still elusive. Specifically, the effects of such parameters on human gait variability need to be studied because of possible rehabilitation outcomes in terms of bringing improvement in temporal and spatial gait parameters. The purpose of this study was to investigate whether different frequency and amplitude combinations of vibro-tactile stimulation of feet would affect stride-to-stride variability in healthy young adults...
February 10, 2017: Experimental Brain Research. Experimentelle Hirnforschung. Expérimentation Cérébrale
https://www.readbyqxmd.com/read/28186914/design-and-validation-of-a-biofeedback-device-to-improve-heel-to-toe-gait-in-seniors
#4
Abhishek Vadnerkar, Sabrina Figueiredo, Nancy Mayo, Robert Kearney
A feature of healthy human walking gait is a clearly defined heel-strike at initial contact, known as heel-to-toe gait. However, a common consequence of ageing is the deterioration of this heel first gait towards a flat foot, or 'shuffling' gait. This leads to a shortened stride length, slowed gait speed, and an increased fall risk. Shuffling gait is normally treated by physiotherapy, however, therapist time is limited and training is restricted to a clinical environment. Gait rehabilitation could be expedited with the use of a device that distinguishes between heel-to-toe and shuffling gait and gives feedback to the user...
February 7, 2017: IEEE Journal of Biomedical and Health Informatics
https://www.readbyqxmd.com/read/28167324/re-organizing-inpatient-care-saves-legs-in-patients-with-diabetic-foot-infections
#5
Miska Laakso, Mikael Honkasalo, Juha Kiiski, Meri Ala-Houhala, Heidi Haapasalo, Heikki-Jussi Laine, Tiina Luukkaala, Jorma Lahtela, Ilkka Kaartinen
AIMS: In this study, we evaluated the effects of the re-organization of inpatient care for patients with a diabetic foot infection, and the implementation of a specialized multi-disciplinary wound department at an academic tertiary hospital. METHODS: This was a retrospective cohort study, comprising 272 patients treated for diabetic foot infections in 2006-2007 (Group 1, n=124) and 2013-2014 (Group 2, n=148). In 2012, inpatient care of all chronic wounds was centralized at a single wound department with a multi-disciplinary team...
January 22, 2017: Diabetes Research and Clinical Practice
https://www.readbyqxmd.com/read/28159052/complex-ankle-arthrodesis-with-step-cut-osteotomy-in-charcot-arthropathy-with-bone-loss
#6
Sean Booth, Moez Ballal, Anand Pillai
We report a case of a complex limb salvage ankle arthrodesis in a patient with Charcot arthropathy. A step-cut osteotomy was performed in order to tackle the issues of anterior tibial bone loss; worsening leg length discrepancy; soft tissue contraction; joint instability and high risk of non-union. The construct formed by the step-cut allowed for the preservation of good bone stock; avoidance of further limb shortening; increased torsional stability and increased surface area for bony union. This resulted in a patient with a stable, plantigrade foot appropriate for footwear...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28159045/use-of-locking-barbed-sutures-in-foot-and-ankle-surgery-a-case-series
#7
Ziyaad Mayet, Hooman Eshraghi, Paulo N F Ferrao, Nikiforos P Saragas
BACKGROUND: Barbed sutures represent a novel technique for wound closure. By distributing tension forces across the length of a wound, it results in better wound healing. A recent article from Chowdhry et al. cautioned against the use of barbed sutures in foot and ankle surgery. Our experience with the Quill(®) (Angiotech, Vancouver, BC) barbed suture, showed a more positive outcome. MATERIALS AND METHODS: 123 surgical wounds were prospectively followed up after closure with a bidirectional barbed suture...
March 2017: Foot and Ankle Surgery: Official Journal of the European Society of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28157450/changes-in-lower-extremity-kinematics-and-temporal-parameters-of-adolescent-baseball-pitchers-during-an-extended-pitching-bout
#8
Stacey M Kung, Sarah P Shultz, Andreas Kontaxis, Andrew P Kraszewski, Mandi W Gibbons, Sherry I Backus, Philip W Fink, Stephen Fealy, Howard J Hillstrom
BACKGROUND: Few studies have investigated detailed 3-dimensional lower extremity kinematics during baseball pitching in adolescent athletes during extended play. Changes in these parameters may affect performance outcomes. PURPOSE: To investigate whether adolescent baseball pitchers experience changes in lower extremity kinematics and event timing during a simulated game-length pitching bout. STUDY DESIGN: Descriptive laboratory study. METHODS: Twelve male adolescent pitchers (aged 14-16 years) threw 6 sets of 15 fastball pitches from an artificial pitching mound to a target at regulation distance...
February 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28156555/strategies-for-introducing-outpatient-specialty-palliative-care-in-gynecologic-oncology
#9
Carolyn Lefkowits, Marie Bakitas, Megan Crowley-Makota, Renata Urban, Linda R Duska, Leslie Horn Clark, Stephanie L Creasy, Yael Schenker
: 111 Background: Concern that patients will react negatively to the idea of palliative care is cited as a barrier to timely referral. Strategies to successfully introduce specialty palliative care to patients have not been well-described. We sought to understand how gynecologic oncologists introduce outpatient specialty palliative care. METHODS: We conducted a national qualitative interview study at six geographically diverse academic cancer centers with well-established palliative care clinics between September 2015 and March 2016...
October 9, 2016: Journal of Clinical Oncology: Official Journal of the American Society of Clinical Oncology
https://www.readbyqxmd.com/read/28149395/directional-measures-of-postural-sway-as-predictors-of-balance-instability-and-accidental-falls
#10
Błaszczyk W Janusz, Monika Beck, Justyna Szczepańska, Dorota Sadowska, Bogdan Bacik, Grzegorz Juras, Kajetan J Słomka
Despite the obvious advantages and popularity of static posturography, universal standards for posturographic tests have not been developed thus far. Most of the center-of-foot pressure (COP) indices are strongly dependent on an individual experimental design, and are susceptible to distortions, which makes results of their analysis incomparable. In this research, we present a novel approach to the analysis of the COP trajectory based on the directional features of postural sway. Our novel output measures: the sway directional indices (DI) and sway vector (SV) were applied to assess the postural stability in the group of young able-bodied subjects...
September 1, 2016: Journal of Human Kinetics
https://www.readbyqxmd.com/read/28144406/fatigue-effect-on-linear-center-of-pressure-measures-during-gait-in-people-with-flat-feet
#11
Mohammad Ali Sanjari, Sahar Boozari, Ali Ashraf Jamshidi, Mohammad Reza Nikmaram
BACKGROUND: Flat foot, as one of the common foot deformities can affect gait biomechanics and risk of lower extremity injury. Fatigue, as a high load task, can also change biomechanical parameters of locomotion. Studying normal and flat footed individuals under high load tasks such as fatigue can elucidate their differences more easily. OBJECTIVES: In this study, center of pressure (CoP) changes were studied between individuals with flat and normal feet after fatigue...
December 2016: Asian Journal of Sports Medicine
https://www.readbyqxmd.com/read/28142138/three-dimensional-imaging-based-web-application-for-predicting-tracheal-tube-depth-in-preterm-neonates
#12
Raksa Tupprasoot, Dean Langan, J Ciaran Hutchinson, Hannah Barrett, Michael R J Sury, Owen J Arthurs
BACKGROUND: Positioning a tracheal tube (TT) to the correct depth in preterm infants is challenging. Currently, there is no reliable single-predictor model for neonates applicable to the whole range of size or age. OBJECTIVE: In this study, we used post-mortem magnetic resonance imaging (PMMRI) of preterm infants to measure tracheal dimensions and to develop a clinical guide for TT positioning. METHODS: We measured tracheal length (TL) and tracheal diameter (TD) in a cohort of normal neonates and foetuses that underwent PMMRI (cause of death unexplained)...
February 1, 2017: Neonatology
https://www.readbyqxmd.com/read/28131011/estimation-of-stature-from-radiographic-measurement-of-foot-dimensions-truncated-foot-length-may-be-more-reliable-than-full-foot-length
#13
Abdullahi Suleiman Gwani, Abubakar Tijjani Salihu, Isa Sa'idu Garba, Adamu Ahmad Rufa'i
Foot length has been shown to be a reliable dimension for estimation of stature. However, phalanges of the foot are very small bones and their length may not be proportional to person's stature. Thus, we hypothesized that foot length measured excluding the phalanges, the truncated foot length, may be more reliable in stature estimation than full foot length. This study, therefore, aimed at comparing the accuracy of the regression equations derived from the truncated foot length and the full foot length. The study recruited a sample of 32 young adults (16 males and 16 females) aged from 20 to 35 years...
January 21, 2017: Journal of Forensic and Legal Medicine
https://www.readbyqxmd.com/read/28128796/surveillance-of-sight-loss-due-to-delay-in-ophthalmic-treatment-or-review-frequency-cause-and-outcome
#14
B Foot, C MacEwen
PurposeTo determine the frequency of patients suffering harm due to delay in ophthalmic care in the UK over a 12-month period.MethodsPatients with deterioration in vision in at least one eye of 3 lines of Snellen acuity or 15 letters on ETDRS chart or deterioration in visual field deviation of 3 decibels due to health service initiated delay in review or care were ascertained through the BOSU using prospective active surveillance involving all UK consultant ophthalmologists. Demographic details, diagnosis, cause and length of delay, and vision loss were then sought by questionnaire...
January 27, 2017: Eye
https://www.readbyqxmd.com/read/28119231/reliability-and-comparison-of-trunk-and-pelvis-angles-arm-distance-and-center-of-pressure-in-the-seated-functional-reach-test-with-and-without-foot-support-in-children
#15
Sandra Radtka, Jacqueline Zayac, Krystyna Goldberg, Michael Long, Rustem Ixanov
This study determined test-retest reliability of trunk and pelvis joint angles, arm distance and center of pressure (COP) excursion for the seated functional reach test (FRT) and compared these variables during the seated FRT with and without foot support. Fifteen typically developing children (age 9.3±4.1years) participated. Trunk and pelvis joint angles, arm distance, and COP excursion were collected on two days using three-dimensional motion analysis and a force plate while subjects reached maximally with and without foot support in the anterior, anterior/lateral, lateral, posterior/lateral directions...
January 16, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28112937/four-component-relativistic-state-specific-multireference-perturbation-theory-with-a-simplified-treatment-of-static-correlation
#16
Anirban Ghosh, Suvonil Sinha Ray, Rajat Kumar Chaudhuri, Sudip Kumar Chattopadhyay
The relativistic multireference (MR) perturbative approach is one of the most successful tools for the description of computationally demanding molecular systems of heavy elements. We present here the ground state dissociation energy surfaces, equilibrium bond lengths, harmonic frequencies, and dissociation energies of Ag$_2$, Cu$_2$, Au$_2$, and I$_2$ computed using the four-component (4c) relativistic spinors based state-specific MR perturbation theory (SSMRPT) with improved virtual orbital complete active space configuration interaction (IVO-CASCI) functions...
January 23, 2017: Journal of Physical Chemistry. A
https://www.readbyqxmd.com/read/28103196/sensor-based-gait-parameter-extraction-with-deep-convolutional-neural-networks
#17
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
#18
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
#19
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
#20
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
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