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https://www.readbyqxmd.com/read/29778609/emergency-department-utilization-after-lower-extremity-bypass-for-critical-limb-ischemia
#1
Vangelina Osteguin, Thomas W Cheng, Alik Farber, Mohammad H Eslami, Jeffrey A Kalish, Douglas W Jones, Denis Rybin, Stephen J Raulli, Jeffrey J Siracuse
OBJECTIVES: Patients with critical limb ischemia (CLI) utilize hospital resources at high rates. One major driver for resource utilization are Emergency Department (ED) visits. Our goal was to assess perioperative ED visits after lower extremity bypass (LEB) for CLI. METHODS: All patients undergoing LEB for CLI from 2008 to 2017 at our institution were analyzed. Emergency department visits and details of the visit within 30 and 90 days of discharge from index admission were recorded...
May 17, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29778480/relationship-between-herd-size-and-measures-of-animal-welfare-on-dairy-cattle-farms-with-freestall-housing-in-germany
#2
Daniel Gieseke, Christian Lambertz, Matthias Gauly
The objective of this study was to examine the association of herd size with animal welfare in dairy cattle herds. Therefore, 80 conventional dairy cattle farms were classified by the number of cows into 4 herd size classes, C1 (<100 cows), C2 (100-299 cows), C3 (300-499 cows), and C4 (≥500 cows), and assessed using multiple animal-based measures of the Welfare Quality Assessment protocol for dairy cattle. Data were recorded from April 2014 to September 2016 by an experienced single assessor in Northern Germany...
May 16, 2018: Journal of Dairy Science
https://www.readbyqxmd.com/read/29774305/multi-slice-mri-reveals-heterogeneity-in-disease-distribution-along-the-length-of-muscle-in-duchenne-muscular-dystrophy
#3
Stephen M Chrzanowski, Celine Baligand, Rebecca J Willcocks, Jasjit Deol, Ilona Schmalfuss, Donovan J Lott, Michael J Daniels, Claudia Senesac, Glenn A Walter, Krista Vandenborne
Background: Duchenne muscular dystrophy (DMD) causes progressive pathologic changes to muscle secondary to a cascade of inflammation, lipid deposition, and fibrosis. Clinically, this manifests as progressive weakness, functional loss, and premature mortality. Though insult to whole muscle groups is well established, less is known about the relationship between intramuscular pathology and function. Objective: Differences of intramuscular heterogeneity across muscle length were assessed using an ordinal MRI grading scale in lower leg muscles of boys with DMD and correlated to patient's functional status...
September 2017: Acta Myologica: Myopathies and Cardiomyopathies: Official Journal of the Mediterranean Society of Myology
https://www.readbyqxmd.com/read/29773685/simulated-work-loops-predict-maximal-human-cycling-power
#4
James C Martin, Jennifer A Nichols
Fish, birds, and lizards sometimes perform locomotor activities with maximized muscle power. Whether humans maximize muscular power is unknown because current experimental techniques cannot be applied non-invasively. This study uses simulated muscle work loops to examine whether voluntary maximal cycling is characterized by maximized muscle power. The simulated work loops leverage experimentally measured joint angles, anatomically realistic muscle parameters (muscle-tendon lengths, velocities, and moment arms), and a published muscle model to calculate powers and forces for thirty-eight muscles...
May 17, 2018: Journal of Experimental Biology
https://www.readbyqxmd.com/read/29773349/robot-assisted-training-using-hybrid-assistive-limb%C3%A2-for-cerebral-palsy
#5
Mayumi Matsuda, Nobuaki Iwasaki, Yuki Mataki, Hirotaka Mutsuzaki, Kenichi Yoshikawa, Kazushi Takahashi, Keiko Enomoto, Kumiko Sano, Aoi Kubota, Tomohiro Nakayama, Junko Nakayama, Haruka Ohguro, Masafumi Mizukami, Kazuhide Tomita
PURPOSE: The Hybrid Assistive Limb® (HAL®, CYBERDYNE) is a wearable robot that provides assistance to a patient while they are walking, standing, and performing leg movements based on the wearer's intended movement. The effect of robot-assisted training using HAL® for cerebral palsy (CP) is unknown. Therefore, we assessed the effect of robot-assisted training using HAL® on patients with CP, and compared walking and gross motor abilities between pre-intervention and post-intervention...
May 14, 2018: Brain & Development
https://www.readbyqxmd.com/read/29771607/mechanistic-insights-into-the-modulatory-role-of-the-mechanoreflex-on-central-hemodynamics-using-passive-leg-movement-in-humans
#6
Nicholas T Kruse, William E Hughes, Darren P Casey
The aim of this study was to examine the independent contributions of joint range of motion (ROM), muscle fascicle length (MFL) and joint angular velocity on mechanoreceptor mediated central cardiovascular dynamics using passive leg movement (PLM) in humans. Twelve healthy males (age: 23{plus minus}2 yrs, body mass index: 23.7 kg/m2 ) performed continuous PLM at various randomized joint angles ROM (0-50{degree sign} vs. 50-100{degree sign} vs. 0-100{degree sign}) and joint angular velocities ('fast': 200{degree sign}/s vs...
May 17, 2018: Journal of Applied Physiology
https://www.readbyqxmd.com/read/29768632/lower-extremity-limb-salvage-with-cross-leg-pedicle-flap-cross-leg-free-flap-and-cross-leg-vascular-cable-bridge-flap
#7
Oscar J Manrique, Sarah N Bishop, Pedro Ciudad, Kian Adabi, Jorys Martinez-Jorge, Steven L Moran, Tony Huang, Aparna Vijayasekaran, Shih-Heng Chen, Hung-Chi Chen
BACKGROUND:  Lower extremity salvage following significant soft tissue loss can be complicated by lack of recipient vessel for free tissue transfer. We describe our experience in lower limb salvage for patients with no recipient vessels with the use of pedicle, free and cable bridge flaps. METHODS:  A retrospective review from 1985 to 2017 of patients undergoing lower limb salvage using a contralateral pedicle cross leg (PCL) flaps, free cross leg (FCL) flaps, or free cable bridge (FCB) flaps was conducted...
May 16, 2018: Journal of Reconstructive Microsurgery
https://www.readbyqxmd.com/read/29768026/return-to-play-and-performance-outcomes-of-professional-athletes-in-north-america-after-hip-arthroscopy-from-1999-to-2016
#8
Michael S Schallmo, Thomas H Fitzpatrick, Hunter B Yancey, Alejandro Marquez-Lara, T David Luo, Allston J Stubbs
BACKGROUND: The effect of hip arthroscopy on athletic performance compared with preinjury levels for professional athletes in different sports remains unknown. In addition, while return rates have been reported for professional baseball, football, and hockey players, return rates have not been reported for professional basketball players. HYPOTHESIS: Professional athletes in 4 major North American sports would be able to return to their sport and preoperative level of performance at a high rate after arthroscopic hip surgery...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29765178/gender-difference-in-factors-affecting-the-medial-longitudinal-arch-height-of-the-foot-in-healthy-young-adults
#9
Katsuhito Nagano, Risako Okuyama, Natsuki Taniguchi, Tomoki Yoshida
[Purpose] Medial longitudinal arch (MLA) height is associated with various injuries and diseases and gender differences, if any. This study aimed to examine factors affecting the MLA height associated with gender differences in healthy subjects with no orthopedic disorders. [Subjects and Methods] This study included 36 healthy adults (19 males, 17 females; mean age, 21.8 ± 3.6 years; body mass index, 21.1 ± 2.0 kg/m2 ). Their height, body weight, foot length, muscle strength of the tibialis posterior muscle (TPM), toe-gripping strength, hallux valgus angle, inversion microdactylia angle, angle of leg-heel alignment, femoro-tibial angle, and navicular height were measured...
May 2018: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29762153/increased-mortality-and-reoperation-rates-after-treatment-for-septic-arthritis-of-the-knee-in-people-who-inject-drugs-nationwide-inpatient-sample-2000-2013
#10
David Hyung Won Oh, Alysse Gail Wurcel, David Joseph Tybor, Deirdre Burke, Mariano E Menendez, Matthew Joseph Salzler
BACKGROUND: The United States has a growing opioid epidemic impacting all aspects of health care including orthopaedic surgery. Septic arthritis of the knee is a condition commonly encountered by orthopaedic surgeons related to opioid and injection drug use (IDU). Changes in the frequency of hospitalizations for IDU-related septic arthritis and differences in septic arthritis patient outcomes according to IDU status in the setting of the burgeoning opioid epidemic are unknown. QUESTIONS/PURPOSES: (1) What proportion of patients with septic arthritis of the knee use injection drugs? (2) Are there any differences in complications, reoperations, length of stay, and leaving against medical advice among patients with septic arthritis of the knee with and without IDU? (3) What are the age and racial trends in IDU-related septic arthritis of the knee from 2000 to 2013? METHODS: The Healthcare Cost and Utilization Project, Nationwide Inpatient Sample database of years 2000 to 2013 was utilized for patients between ages 15 and 64 years with a principal discharge diagnosis of native septic arthritis of the lower leg, the vast majority of which represents the knee...
May 14, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29761618/robot-assisted-total-hip-arthroplasty-clinical-outcomes-and-complication-rate
#11
Itay Perets, John P Walsh, Mary R Close, Brian H Mu, Leslie C Yuen, Benjamin G Domb
BACKGROUND: The purpose of this study was to report minimum 2-year outcomes and complications for robotic-arm-assisted total hip arthroplasty (THA). METHODS: Data were prospectively collected and retrospectively reviewed between June 2011 and April 2014. Inclusion criteria were primary robotic-arm-assisted THAs treating idiopathic osteoarthritis with ≥ 2-year follow-up. Demographics, operating time, complications, 2-year outcome scores and satisfaction, and subsequent surgeries were recorded...
May 15, 2018: International Journal of Medical Robotics + Computer Assisted Surgery: MRCAS
https://www.readbyqxmd.com/read/29760897/bison-body-size-and-climate-change
#12
Jeff M Martin, Jim I Mead, Perry S Barboza
The relationship between body size and temperature of mammals is poorly resolved, especially for large keystone species such as bison ( Bison bison ). Bison are well represented in the fossil record across North America, which provides an opportunity to relate body size to climate within a species. We measured the length of a leg bone (calcaneal tuber, DstL) in 849 specimens from 60 localities that were dated by stratigraphy and 14 C decay. We estimated body mass ( M ) as M  = (DstL/11.49)3 . Average annual temperature was estimated from δ18 O values in the ice cores from Greenland...
May 2018: Ecology and Evolution
https://www.readbyqxmd.com/read/29754479/pre-operative-ultrasonographic-prediction-of-hamstring-autograft-size-for-anterior-cruciate-ligament-reconstruction-surgery
#13
M A Mohd Asihin, M Y Bajuri, J Ahmad, S F Syed Kamaruddin
Objectives: To evaluate the feasibility of ultrasonographic examination in predicting 4-strand semitendinosus and gracilis tendon (4S-STG) autograft size preoperatively in anterior cruciate ligament reconstruction and to evaluate the use of anthropometric measurement to predict the 4-strand semitendinosus and gracilis tendons (4S-STG) autograft size pre-operatively in anterior cruciate ligament reconstruction. Method: Twenty-seven patients were included in this study conducted from 1st January to 31st December 2013...
March 31, 2018: Ceylon Medical Journal
https://www.readbyqxmd.com/read/29753218/evaluation-of-different-captive-bolt-lengths-and-breed-influence-upon-post-stun-hind-limb-and-forelimb-activity-in-fed-cattle-at-a-commercial-slaughter-facility
#14
Miriam S Martin, Helen C Kline, Dana R Wagner, Lacey R Alexander, Lily N Edwards-Callaway, Temple Grandin
The objective of this study was to assess the effects of captive bolt length and breed type on post-stun leg activity in cattle. A total of 2850 Holstein (HOL) and non-Holstein British/Continental bred (NHOL) steers and heifers were observed post-stunning at a large commercial slaughter facility. A pneumatically powered penetrating captive bolt stunner was used with three different bolt lengths: CON, 15.24 cm; MED, 16.51 cm; and LON, 17.78 cm. Hind limb kicking, forelimb activity, take away belt stops, carcass swing and number of knife sticks during exsanguination were recorded for each animal from video recording...
May 3, 2018: Meat Science
https://www.readbyqxmd.com/read/29752236/effect-of-the-synchronization-based-control-of-a-wearable-robot-having-a-non-exoskeletal-structure-on-the-hemiplegic-gait-of-stroke-patients
#15
Noriaki Mizukami, Shizue Takeuchi, Mikio Tetsuya, Atsushi Tsukahara, Kunihiro Yoshida, Akira Matsushima, Yoichi Maruyama, Kenji Tako, Minoru Hashimoto
We have been developing the robotic wear curara as both a welfare device and rehabilitation robot that assists the elderly and disabled. curara is aimed at user friendliness. We have, thus, chosen a non-exoskeleton structure made of a plastic so that the robot is as light in weight as possible and to minimize the restraining stress against natural human movement. We verified the assistance effect of curara on 15 hemiplegic patients with stroke by comparing gait parameters (i.e., velocity, step length, cadence, and symmetry of joint angles) among three conditions...
May 2018: IEEE Transactions on Neural Systems and Rehabilitation Engineering
https://www.readbyqxmd.com/read/29751254/isometric-pre-conditioning-blunts-exercise-induced-muscle-damage-but-does-not-attenuate-changes-in-running-economy-following-downhill-running
#16
Leonardo C R Lima, Natália M Bassan, Adalgiso C Cardozo, Mauro Gonçalves, Camila C Greco, Benedito S Denadai
Running economy (RE) is impaired following unaccustomed eccentric-biased exercises that induce muscle damage. It is also known that muscle damage is reduced when maximal voluntary isometric contractions (MVIC) are performed at a long muscle length 2-4 days prior to maximal eccentric exercise with the same muscle, a phenomenon that can be described as isometric pre-conditioning (IPC). We tested the hypothesis that IPC could attenuate muscle damage and changes in RE following downhill running. Thirty untrained men were randomly assigned into experimental or control groups and ran downhill on a treadmill (-15%) for 30 min...
May 8, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29743109/muscle-and-tendon-morphology-alterations-in-children-and-adolescents-with-mild-forms-of-spastic-cerebral-palsy
#17
Annika Kruse, Christian Schranz, Markus Tilp, Martin Svehlik
BACKGROUND: Early detection of changes at the muscular level before a contracture develops is important to gain knowledge about the development of deformities in individuals with spasticity. However, little information is available about muscle morphology in children with spastic diplegic cerebral palsy (CP) without contracture or equinus gait. Therefore, the aim of this study was to compare the gastrocnemius medialis (GM) and Achilles tendon architecture of children and adolescents with spastic CP without contracture or equinus gait to that of typically developing (TD) children...
May 9, 2018: BMC Pediatrics
https://www.readbyqxmd.com/read/29739977/energy-and-time-optimal-trajectories-in-exploratory-jumps-of-the-spider-phidippus-regius
#18
Mostafa R A Nabawy, Girupakaran Sivalingam, Russell J Garwood, William J Crowther, William I Sellers
Jumping spiders are proficient jumpers that use jumps in a variety of behavioural contexts. We use high speed, high resolution video to measure the kinematics of a single regal jumping spider for a total of 15 different tasks based on a horizontal gap of 2-5 body lengths and vertical gap of +/-2 body lengths. For short range jumps, we show that low angled trajectories are used that minimise flight time. For longer jumps, take-off angles are steeper and closer to the optimum for minimum energy cost of transport...
May 8, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29735856/restless-legs-syndrome-and-quality-of-life-in-chronic-hemodialysis-patients
#19
R Kutlu, N Y Selcuk, S Sayin, O Kal
Context: Restless legs syndrome (RLS) is a sensorimotor disorder that often has a profound impact on sleep and one of the most troublesome conditions experienced in hemodialysis patients. Aims: The aim of study was to search frequency of RLS and effects of RLS on quality of life (QoL) in chronic hemodialysis patients. Settings and Design: Chronic hemodialysis patients of classical hemodialysis units were chosen. Length of the study was approximately 1 year. Subjects and Methods: Two hundred and thirty-seven patients were investigated...
May 2018: Nigerian Journal of Clinical Practice
https://www.readbyqxmd.com/read/29729934/is-direct-anterior-approach-a-credible-option-for-severely-obese-patients-undergoing-total-hip-arthroplasty-a-matched-control-retrospective-clinical-study
#20
Alexander Antoniadis, Dimitris Dimitriou, Andreas Flury, Gregor Wiedmer, Julian Hasler, Naeder Helmy
BACKGROUND: Severely obese patients present a significant challenge for arthroplasty surgeons because of their body habitus. Up to date, there is no clear consensus on the safety of the direct anterior approach (DAA) in obese patients undergoing total hip arthroplasty. Therefore, the purpose of the present study was to determine whether DAA is a credible option in severely obese regarding complication rates, clinical outcomes, and component positioning. METHODS: Obese patients with a body mass index ≥ 35 kg/m2 (n = 129) who received total hip arthroplasty with DAA in our institution were matched for gender and age with nonobese patients with body mass index ≤ 25 kg/m2 (n = 125)...
April 11, 2018: Journal of Arthroplasty
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