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https://www.readbyqxmd.com/read/29792882/utilization-of-automated-performance-metrics-to-measure-surgeon-performance-during-robotic-vesicourethral-anastomosis-and-methodical-development-of-a-training-tutorial
#1
Jian Chen, Paul J Oh, Nathan Cheng, Ankeet Shah, Jeremy Montez, Anthony Jarc, Liheng Guo, Inderbir S Gill, Andrew J Hung
PURPOSE: To develop and validate automated performance metrics (APMs) to measure surgeon performance of vesicourethral anastomosis (VUA) during robotic-assisted radical prostatectomy (RRP). Furthermore, we seek to methodically develop a standardized training tutorial for the robotic VUA. MATERIALS AND METHODS: APMs (motion tracking and system events data) and synchronized surgical video were captured during the RRP. Non-automated performance metrics (NAPMs) were manually annotated by video review...
May 21, 2018: Journal of Urology
https://www.readbyqxmd.com/read/29792104/association-of-hip-and-foot-factors-with-patellar-tendinopathy-jumper-s-knee-in-athletes
#2
Luciana D Mendonça, Juliana M Ocarino, Natália F N Bittencourt, Luciana G Macedo, Sérgio T Fonseca
Study Design Clinical measurement, cross-sectional. Background Investigations on the causes of patellar tendinopathy (PT) should consider impairments at the hip and foot/ankle since they are known to influence movement patterns and affect patellar tendon loading. Objectives To investigate, by means of CART analysis, impairments of the hip and foot/ankle that are associated with PT in volleyball and basketball athletes. Methods One-hundred and ninety athletes were assessed for impairments of the hip and foot/ankle including: shank-forefoot alignment (SFA), ankle dorsiflexion range of motion (DF ROM), iliotibial band flexibility, passive hip internal rotation (IR) ROM, and hip external rotator (ER) and hip abductor isometric strength...
May 23, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29791812/automated-oestrus-detection-using-multimetric-behaviour-recognition-in-seasonal-calving-dairy-cattle-on-pasture
#3
J Brassel, F Rohrssen, K Failing, A Wehrend
AIM: To evaluate the performance of a novel accelerometer-based oestrus detection system (ODS) for dairy cows on pasture, in comparison with measurement of concentrations of progesterone in milk, ultrasonographic examination of ovaries and farmer observations. METHODS: Mixed-breed lactating dairy cows (n=109) in a commercial, seasonal-calving herd managed at pasture under typical farming conditions in Ireland, were fitted with oestrus detection collars 3 weeks prior to mating start date...
May 23, 2018: New Zealand Veterinary Journal
https://www.readbyqxmd.com/read/29791704/use-of-neuromuscular-electrical-stimulation-during-physical-therapy-may-reduce-the-incidence-of-arthrofibrosis-after-total-knee-arthroplasty
#4
Chukwuweike U Gwam, Tanner McGinnis, Jennifer I Etcheson, Nicole E George, Assem A Sultan, Ronald E Delanois, Anil Bhave, Steven F Harwin, Michael A Mont
INTRODUCTION: Arthrofibrosis remains a major complication following total knee arthroplasty (TKA) that negatively impacts patient outcomes and exhausts healthcare resources. The use of neuromuscular electrical stimulation (NMES) has demonstrated the ability to facilitate quadriceps muscle recovery and reduce pain. Therefore, the purpose of this study was to compare TKA patients who received physical therapy (PT) and adjuvant NMES therapy versus physical therapy alone in terms of: 1) rates of manipulation under anesthesia (MUA) to treat arthrofibrosis; and 2) post-therapy range of motion (ROM)...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29791183/a-2-year-prospective-cohort-study-of-overuse-running-injuries-the-runners-and-injury-longitudinal-study-trails
#5
Stephen P Messier, David F Martin, Shannon L Mihalko, Edward Ip, Paul DeVita, D Wayne Cannon, Monica Love, Danielle Beringer, Santiago Saldana, Rebecca E Fellin, Joseph F Seay
BACKGROUND: The National Center for Injury Prevention and Control, noting flaws in previous running injury research, called for more rigorous prospective designs and comprehensive analyses to define the origin of running injuries. PURPOSE: To determine the risk factors that differentiate recreational runners who remain uninjured from those diagnosed with an overuse running injury during a 2-year observational period. STUDY DESIGN: Cohort study; Level of evidence, 2...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29790224/left-atrial-compression-and-right-ventricular-outflow-tract-diameter-on-echocardiography-are-independently-associated-with-exercise-capacity-in-patients-with-large-hiatal-hernia
#6
Christopher Naoum, Leonard Kritharides, Gregory L Falk, David Martin, John Yiannikas
INTRODUCTION: Large hiatal hernia (HH) is often associated with left atrial (LA) compression, anteroposterior cardiac compression (manifesting as reduced right ventricular outflow tract (RVOT) diameter), and left ventricular (LV) compression (manifesting as systolic paradoxical outward motion (LV-PM) of the posterobasal LV segment). Exercise impairment, also common in this population, improves following HH surgery. We aimed to identify echocardiographic parameters independently associated with exercise impairment due to HH-mediated cardiogenic compression...
May 2018: Echocardiography
https://www.readbyqxmd.com/read/29789946/outcome-of-arthroscopic-slap-repair-using-knot-tying-suture-anchors-compared-with-knotless-suture-anchors-in-athletes
#7
Y Reinig, F Welsch, R Hoffmann, D Müller, K F Schüttler, E Zimmermann, Thomas Stein
INTRODUCTION: Arthroscopic repair is one option for the surgical treatment of type II superior labrum tears from anterior to posterior (SLAP) lesions in athletes' shoulders. MATERIALS AND METHODS: Sixty-one of 78 (78.2%) athletes were retrospectively examined after isolated arthroscopic SLAP repair (group 1/G1: 28x knot-tying anchors; group 2/G2: 33 knotless anchors; follow-up 24 months) and compared to two specific, separate matched volunteer athlete control groups (group 3/G3: 28 athletes matched to G1; group 4/G4: 33 athletes matched to G2)...
May 22, 2018: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29789780/quantitative-motion-analysis-of-tai-chi-chuan-the-upper-extremity-movement
#8
Tsung-Jung Ho, Kuei-Ting Chou, Cheng-Hsuan Li, Bor-Chen Kuo, Tzung-Chi Huang
The quantitative and reproducible analysis of the standard body movement in Tai Chi Chuan (TCC) was performed in this study. We aimed to provide a reference of the upper extremities for standardizing TCC practice. Microsoft Kinect was used to record the motion during the practice of TCC. The preparation form and eight essential forms of TCC performed by an instructor and 101 practitioners were analyzed in this study. The instructor completed an entire TCC practice cycle and performed the cycle 12 times. An entire cycle of TCC was performed by practitioners and images were recorded for statistics analysis...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29789471/brownian-motion-at-lipid-membranes-a-comparison-of-hydrodynamic-models-describing-and-experiments-quantifying-diffusion-within-lipid-bilayers
#9
REVIEW
Stephan Block
The capability of lipid bilayers to exhibit fluid-phase behavior is a fascinating property, which enables, for example, membrane-associated components, such as lipids (domains) and transmembrane proteins, to diffuse within the membrane. These diffusion processes are of paramount importance for cells, as they are for example involved in cell signaling processes or the recycling of membrane components, but also for recently developed analytical approaches, which use differences in the mobility for certain analytical purposes, such as in-membrane purification of membrane proteins or the analysis of multivalent interactions...
May 22, 2018: Biomolecules
https://www.readbyqxmd.com/read/29789454/magnetorelaxometry-in-the-presence-of-a-dc-bias-field-of-ferromagnetic-nanoparticles-bearing-a-viscoelastic-corona
#10
Victor Rusakov, Yuriy Raikher
With allowance for orientational Brownian motion, the magnetorelaxometry (MRX) signal, i.e., the decay of magnetization generated by an ensemble of ferromagnet nanoparticles, each of which bears a macromolecular corona (a loose layer of polymer gel) is studied. The rheology of corona is modelled by the Jeffreys scheme. The latter, although comprising only three phenomenological parameters, enables one to describe a wide spectrum of viscoelastic media: from linearly viscous liquids to weakly-fluent gels. The "transverse" configuration of MRX is considered where the system is subjected to a DC (constant bias) field, whereas the probing field is applied perpendicularly to the bias one...
May 22, 2018: Sensors
https://www.readbyqxmd.com/read/29789250/sectioning-of-the-anterior-intermeniscal-ligament-changes-knee-loading-mechanics
#11
Matthieu Ollivier, Julie Falguières, Martine Pithioux, Philippe Boisrenoult, Phillippe Beaufils, Nicolas Pujol
PURPOSE: The purpose of this cadaver research project was to describe the biomechanical consequences of anterior intermeniscal ligament (AIML) resection on menisci function under load conditions in full extension and 60° of flexion. METHODS: Ten unpaired fresh frozen cadaveric knees were dissected leaving the knee joint intact with its capsular and ligamentous attachments. The femur and tibia were sectioned 15 cm from the joint line and mounted onto the loading platform...
May 19, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29789150/compensation-for-inertial-and-gravity-effects-in-a-moving-force-platform
#12
Sandra K Hnat, Ben J H van Basten, Antonie J van den Bogert
Force plates for human movement analysis provide accurate measurements when mounted rigidly on an inertial reference frame. Large measurement errors occur, however, when the force plate is accelerated, or tilted relative to gravity. This prohibits the use of force plates in human perturbation studies with controlled surface movements, or in conditions where the foundation is moving or not sufficiently rigid. Here we present a linear model to predict the inertial and gravitational artifacts using accelerometer signals...
May 19, 2018: Journal of Biomechanics
https://www.readbyqxmd.com/read/29789005/ultrasonography-in-diagnosis-and-analysis-of-chronic-pain-following-anterior-open-inguinal-herniorrhaphy
#13
Z Y Qiu, Y Chen, J X Tang, L Chen
BACKGROUND: Chronic pain as a complication following inguinal herniorrhaphy has attracted increasing attention in recent years. There is evidence that the chronic pain seriously affects patients' quality of life. However, there are few imaging studies and diagnostic techniques of the chronic pain. The aim of this study is to explore the etiology and to analysis ultrasonographic imaging description of chronic pain following anterior open inguinal herniorrhaphy. METHODS: One hundred fifty two patients with the chronic pain following anterior open inguinal herniorrhaphy were performed by ultrasonography to identify the main causes of postoperative chronic pain...
May 22, 2018: BMC Surgery
https://www.readbyqxmd.com/read/29788992/comparing-case-control-study-for-treatment-of-proximal-tibia-fractures-with-a-complete-metaphyseal-component-in-two-centers-with-different-distinct-strategies-fixation-with-ilizarov-frame-or-locking-plates
#14
Haakon Berven, Michael Brix, Kaywan Izadpanah, Eva Johanna Kubosch, Hagen Schmal
BACKGROUND: The purpose of this study was to compare two methods of stabilization for proximal tibia fractures (AO 41) with a complete metaphyseal component, external fixation with the Ilizarov wire frame, and internal fixation with locking plates. METHODS: Patients from two level 1 trauma centers treated between 2009 and 2015 were included in a retrospective comparing cohort study. The first center stabilized the non-pathological, proximal tibia fractures exclusively with external fixation and the second with internal plating...
May 22, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29788949/range-of-motion-after-total-knee-arthroplasty-in-hemophilic-arthropathy
#15
Radovan Kubeš, Peter Salaj, Rastislav Hromádka, Josef Včelák, Aleš Antonín Kuběna, Monika Frydrychová, Štěpán Magerský, Michal Burian, Martin Ošťádal, Jan Vaculik
BACKGROUND: Outcomes of total knee replacement in cases of hemophilic patients are worse than in patients who undergo operations due to osteoarthritis. Previous publications have reported varying rates of complications in hemophilic patients, such as infection and an unsatisfactory range of motion, which have influenced the survival of prostheses. Our retrospective study evaluated the data of hemophilic patients regarding changes in the development of the range of motion. METHODS: The data and clinical outcomes of 72 total knee replacements in 45 patients with hemophilia types A and B were reviewed retrospectively...
May 22, 2018: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/29788209/musculoskeletal-injuries-among-female-soldiers-working-with-dogs
#16
Haggai Schermann, Isabella Karakis, Ran Ankory, Assaf Kadar, Victoria Yoffe, Amir Shlaifer, Ran Yanovich
Introduction: Female soldiers serving in the Israeli Defense Forces canine unit may be at increased risk of overuse injuries related to working with military dogs. We hypothesized that this particular type of occupational exposure may lead to an increased strain of the upper extremity due to such non-physiologic motions as pulling the dog's strap or resisting the sudden pulling by the dog, and may result in an increased rate of overuse injuries. Materials and Methods: We compared incidence of overuse injuries in a retrospective cohort of female soldiers who served either in the military working dogs' unit (MWD), or in the light infantry battalions (Infantry) from 2005 to 2015...
May 18, 2018: Military Medicine
https://www.readbyqxmd.com/read/29787997/depth-based-whole-body-photoplethysmography-in-remote-pulmonary-function-testing
#17
Vahid Soleimani, Majid Mirmehdi, Dima Damen, Massimo Camplani, Sion Hannuna, Charles Sharp, James Dodd
OBJECTIVE: We propose a novel depth-based photoplethysmography (dPPG) approach to reduce motion artifacts in respiratory volume-time data and improve the accuracy of remote pulmonary function testing (PFT) measures. METHOD: Following spatial and temporal calibration of two opposing RGB-D sensors, a dynamic three-dimensional model of the subject performing PFT is reconstructed and used to decouple trunk movements from respiratory motions. Depth-based volume-time data is then retrieved, calibrated, and used to compute 11 clinical PFT measures for forced vital capacity and slow vital capacity spirometry tests...
June 2018: IEEE Transactions on Bio-medical Engineering
https://www.readbyqxmd.com/read/29787473/factors-contributing-to-medial-tibial-stress-syndrome-in-runners-a-prospective-study
#18
James Becker, Mimi Nakajima, Will F W Wu
PURPOSE: Medial tibial stress syndrome (MTSS) is one of the most common overuse injuries sustained by runners. Despite the prevalence of this injury, risk factors for developing MTSS remain unclear. The purpose of this study was to prospectively evaluate differences in passive range of motion, muscle strength, plantar pressure distributions, and running kinematics between runners who developed MTSS and those who did not. METHODS: 24 NCAA Division 1 cross country runners participated in this study...
May 22, 2018: Medicine and Science in Sports and Exercise
https://www.readbyqxmd.com/read/29784444/enacting-high-reliability-principles-while-caring-for-people-with-ebola-virus-disease
#19
Bonnie Mowinski Jennings, Katherine A Yeager, Nancye R Feistritzer, Mary M Gullatte, Kristy K Martyn
BACKGROUND: Fear surrounds Ebola Virus Disease (EVD) because it is highly infectious. Yet members of the Serious Communicable Diseases Unit (SCDU) at Emory University Hospital (EUH) had to overcome that fear when caring for patients with EVD. PURPOSE: The analysis reported here illustrates how the members of EUH's SCDU tacitly enacted high reliability (HR) principles while caring for patients with EVD. METHODS: A qualitative study was conducted to describe the experience of members of the EUH SCDU who worked with EVD patients in 2014...
May 18, 2018: American Journal of Infection Control
https://www.readbyqxmd.com/read/29782812/what-variables-are-associated-with-the-outcome-of-arthroscopic-lysis-and-lavage-surgery-for-internal-derangement-of-the-temporomandibular-joint
#20
Tyler H Haeffs, Lindsay N D'Amato, Shehryar N Khawaja, David A Keith, Steven J Scrivani
PURPOSE: Arthroscopic lysis and lavage surgery (AS) is an effective modality that can decrease pain and increase maximum interincisal opening (MIO) in patients with internal derangement (ID) of the temporomandibular joint (TMJ). However, some patients remain in pain or have limited mandibular range of motion despite AS. The purpose of this study was to determine the effectiveness, prevalence of adverse effects, and predictors of response to TMJ AS in patients with TMJ arthralgia and ID...
April 26, 2018: Journal of Oral and Maxillofacial Surgery
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