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https://www.readbyqxmd.com/read/29655813/synovial-chondromatosis-in-patient-presenting-with-chronic-venous-stasis-ulcers
#1
Christina Herrero, Charlotte Lemmens, Jan Sloves, Nirmal Tejwani, Thomas S Maldonado
Synovial Chondromatosis (SC) is a rare, benign synovial growth most frequently involving the knee or hip joint. Common presenting symptoms include pain throughout the affected joint, reduced range of motion and a palpable mass. We present an unusual case of SC presenting with symptoms of chronic venous stasis ulcer. A 49-year-old patient presented with swelling, hyperpigmentation and ulcerations of his right lower extremity. Work-up including duplex and CT scan revealed a calcified mass in the hip joint, highly suspicious for Synovial Chondromatosis...
April 12, 2018: Annals of Vascular Surgery
https://www.readbyqxmd.com/read/29653340/magnitude-and-variability-of-gait-characteristics-when-walking-on-an-irregular-surface-at-different-speeds
#2
Stephanie Blair, Mark J Lake, Rui Ding, Thorsten Sterzing
Different modes of perturbations have been used to understand how individuals negotiate irregular surfaces, with a general notion that increased locomotion variability induces a positive training stimulus. Individuals tend to walk slower when initially exposed to such locomotion tasks, potentially influencing the magnitude and variability of biomechanical parameters. This study investigated theeffects of gait speed on lower extremity biomechanics when walking on an irregular (IS) and regular surface (RS). Twenty physically active males walked on a RS and IS at three different speeds (4 km/h, 5 km/h, 6 km/h)...
April 10, 2018: Human Movement Science
https://www.readbyqxmd.com/read/29652187/blood-transfusion-during-total-ankle-arthroplasty-is-associated-with-increased-in-hospital-complications-and-costs
#3
Michael A Ewing, Samuel R Huntley, Dustin K Baker, Kenneth S Smith, Parke W Hudson, Gerald McGwin, Brent A Ponce, Michael D Johnson
INTRODUCTION: Total ankle arthroplasty (TAA) is an increasingly used, effective treatment for end-stage ankle arthritis. Although numerous studies have associated blood transfusion with complications following hip and knee arthroplasty, its effects following TAA are largely unknown. This study uses data from a large, nationally representative database to estimate the association between blood transfusion and inpatient complications and hospital costs following TAA. METHODS: Using the Nationwide Inpatient Sample (NIS) database from 2004 to 2014, 25 412 patients who underwent TAA were identified, with 286 (1...
April 1, 2018: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/29651902/shoulder-and-lower-back-joint-reaction-forces-in-seated-double-poling
#4
Marie Lund Ohlsson, Jonas Danvind, L Joakim Holmberg
Overuse injuries in the shoulders and lower back are hypothesized to be common in cross-country sit-skiing. Athletes with reduced trunk muscle control mainly sits with their knees higher than hips (KH). To reduce spinal flexion, a position with the knees below the hips (KL) was enabled for these athletes using a frontal trunk support. The aim of the study was to compare the shoulder joint (glenohumeral joint) and L4-L5 joint reactions between the sitting positions KL and KH. Five able-bodied female athletes performed submaximal and maximal exercise tests in the sitting positions KL and KH on a ski-ergometer...
April 13, 2018: Journal of Applied Biomechanics
https://www.readbyqxmd.com/read/29650492/robotically-driven-orthoses-exert-proximal-to-distal-differential-recovery-on-the-lower-limbs-in-children-with-hemiplegia-early-after-acquired-brain-injury
#5
Elena Beretta, Erika Molteni, Emilia Biffi, Roberta Morganti, Paolo Avantaggiato, Sandra Strazzer
Robotically-driven orthoses (RDO) are promising for treating gait impairment in children with hemiplegia after acquired brain injury (ABI). Despite this, existing literature on the employment of RDO in ABI is scanty, and cohorts' age spans throughout the adult age, with no specific focus on the developmental age. We aim to compare a treatment solely based on conventional physiotherapy (CP) with a program combining RDO training with CP, and to examine the effect of time following ABI on recovery. A prospective two-cohorts study was conducted in a rehabilitation hospital...
March 23, 2018: European Journal of Paediatric Neurology: EJPN
https://www.readbyqxmd.com/read/29650337/knee-flexion-not-hip-extension-strength-is-persistently-reduced-following-hamstring-strain-injury-in-australian-football-athletes-implications-for-periodic-health-examinations
#6
Paula C Charlton, Benjamin Raysmith, Martin Wollin, Simon Rice, Craig Purdam, Ross A Clark, Michael K Drew
OBJECTIVES: Determine whether clinically feasible tests of isometric lower limb strength and range of motion (ROM) in Australian Football (AF) athletes are useful in Periodic Health Examinations to identify persistent deficits following hamstring strain injury (HSI). DESIGN: Case-control. METHODS: Thirty-seven male, semi-professional AF athletes (mean±SD; age, 20.2±2.9years; height, 1.7±0.5m; mass, 81±9.2kg) participated, ten athletes (37%) reported HSI within the previous three seasons of competition...
April 3, 2018: Journal of Science and Medicine in Sport
https://www.readbyqxmd.com/read/29648987/variability-of-leg-kinematics-during-overground-walking-in-persons-with-chronic-incomplete-spinal-cord-injury
#7
Won Joon Sohn, Andrew Q Tan, Heather B Hayes, Saahith Pochiraju, Joan Deffeyes, Randy D Trumbower
Incomplete spinal cord injury (iSCI) often leads to partial disruption of spinal pathways that are important for motor control of walking. Persons with iSCI present with deficits in walking ability due, in part, to inconsistent leg kinematics during stepping. While kinematic variability is important for normal walking, growing evidence indicates that excessive variability may limit walking ability and increase reliance on assistive devices (AD) after iSCI. The purpose of this study was to assess the effects of iSCI-induced impairments on kinematic variability during overground walking...
March 20, 2018: Journal of Neurotrauma
https://www.readbyqxmd.com/read/29648889/patient-reported-allergies-do-not-predict-poorer-promis-function-pain-and-depression-scores-following-foot-and-ankle-surgery
#8
Devon C Nixon, Brian M Cusworth, Jeremy J McCormick, Jeffrey E Johnson, Sandra E Klein
BACKGROUND: Identifying preoperative risk factors that may portend poorer operative outcomes remains a topic of current interest. In hip and knee arthroplasty patients, the presence of patient-reported allergies (PRAs) has been associated with worse pain and function after joint replacement. However, these results have not been replicated across studies, including in shoulder arthroplasty cases. The impact of PRAs on foot and ankle outcomes has yet to be studied. The purpose of our study was to evaluate whether PRAs influence patient-reported outcome in foot and ankle surgery...
April 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29648630/identification-of-prosthetic-joint-infection-pathogens-using-a-shotgun-metagenomics-approach
#9
Matthew Thoendel, Patricio Jeraldo, Kerryl E Greenwood-Quaintance, Janet Yao, Nicholas Chia, Arlen D Hanssen, Matthew P Abdel, Robin Patel
Background: Metagenomic shotgun sequencing has the potential to change how many infections, particularly those caused by difficult to culture organisms, are diagnosed. Metagenomics was used to investigate prosthetic joint infections (PJIs), where pathogen detection can be challenging. Methods: 408 sonicate fluid samples generated from resected hip and knee arthroplasties were tested, including 213 from subjects with infections and 195 from subjects without infection...
April 10, 2018: Clinical Infectious Diseases: An Official Publication of the Infectious Diseases Society of America
https://www.readbyqxmd.com/read/29643693/joint-perception-and-patient-perceived-satisfaction-after-total-hip-and-knee-arthroplasty-in-the-american-population
#10
Matthew Varacallo, Rajit Chakravarty, Kevin Denehy, Andrew Star
Background: Total hip (THA) and knee arthroplasty (TKA) are two of the most successful procedures in orthopedics. Current evaluation trends focus on patient-reported outcomes. We sought to compare the changing WOMAC scores from various time points from pre-operative to 1-year follow-up between separate THA and TKA cohorts. In addition, we compared THA and TKA patients' joint perception, satisfaction, and function via a questionnaire. Methods: One hundred elective THA (n = 50) and TKA (n = 50) patients at one institution were randomly selected and contacted between 2 and 4 years after the index surgery...
June 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29643592/does-trampoline-or-hard-surface-jumping-influence-lower-extremity-alignment
#11
Kiyokazu Akasaka, Akihiro Tamura, Aoi Katsuta, Ayako Sagawa, Takahiro Otsudo, Yu Okubo, Yutaka Sawada, Toby Hall
[Purpose] To determine whether repetitive trampoline or hard surface jumping affects lower extremity alignment on jump landing. [Subjects and Methods] Twenty healthy females participated in this study. All subjects performed a drop vertical jump before and after repeated maximum effort trampoline or hard surface jumping. A three-dimensional motion analysis system and two force plates were used to record lower extremity angles, moments, and vertical ground reaction force during drop vertical jumps. [Results] Knee extensor moment after trampoline jumping was greater than that after hard surface jumping...
December 2017: Journal of Physical Therapy Science
https://www.readbyqxmd.com/read/29643154/associations-between-preoperative-oxford-hip-and-knee-scores-and-costs-and-quality-of-life-of-patients-undergoing-primary-total-joint-replacement-in-the-nhs-england-an-observational-study
#12
Peter Eibich, Helen A Dakin, Andrew James Price, David Beard, Nigel K Arden, Alastair M Gray
OBJECTIVES: To assess how costs and quality of life (measured by EuroQoL-5 Dimensions (EQ-5D)) before and after total hip replacement (THR) and total knee replacement (TKR) vary with age, gender and preoperative Oxford hip score (OHS) and Oxford knee score (OKS). DESIGN: Regression analyses using prospectively collected data from clinical trials, cohort studies and administrative data bases. SETTING: UK secondary care. PARTICIPANTS: Men and women undergoing primary THR or TKR...
April 10, 2018: BMJ Open
https://www.readbyqxmd.com/read/29642914/development-of-the-italian-version-of-the-high-activity-arthroplasty-score-haas-i-following-hip-and-knee-total-arthroplasty-cross-cultural-adaptation-reliability-validity-and-sensitivity-to-change
#13
Marco Monticone, Antonio Capone, Luca Frigau, Giuseppe Marongiu, Paola Abelli, Francesco Mola, Nicola Maffulli, Calogero Foti
BACKGROUND: The number of physically active individuals who develop knee and hip arthritis and who undergo arthroplasties of these joints ie ever increasing. It has become necessary to develop evaluation scales which address the specific issues raised by such individuals. The High Activity Arthroplasty Score is one such scales, originally developed in English. METHODS: The HAAS-I was developed by means of forward-backward translation, a final review by an expert committee and a test of the pre-final version to establish its correspondence with the original English version...
April 11, 2018: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29629614/physical-impairments-in-adults-with-ankle-osteoarthritis-a-systematic-review-and-meta-analysis
#14
Munira Mohammed Al-Mahrouqi, David Allan MacDonald, Bill Vicenzino, Michelle Dawn Smith
Study Design Systematic review with meta-analysis. Background Lower limb osteoarthritis (OA) is associated with pain and reduced function. Most research focusses on hip and knee OA related impairments and as consequence impairments that characterise ankle OA are not well understood. Objective To systematically review available evidence of physical impairments in individuals with ankle OA. Methods A comprehensive search of electronic databases was conducted up until July 2017. Studies were screened using pre-defined inclusion/exclusion criteria...
April 7, 2018: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/29628696/do-local-antibiotics-reduce-periprosthetic-joint-infections-a-retrospective-review-of-744-cases
#15
Craig Winkler, Joel Dennison, Adam Wooldridge, Eneko Larumbe, Cyrus Caroom, Mark Jenkins, George Brindley
Periprosthetic joint infections (PJI) are uncommon but not rare and have significant morbidity and financial implications. Local antibiotics have been used successfully in other areas of orthopedics to reduce postoperative infections, but this method has not been proven in total joint arthroplasty (TJA). Beginning January 1, 2014, our primary investigators began using surgical site lavage with providone-iodine solution and administering 2 g of vancomcyin powder in the surgical wound prior to capsule closure for all primary and revision total hip and knee arthroplasties...
March 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29628676/metal-hypersensitivity-in-total-hip-and-knee-arthroplasty-current-concepts
#16
REVIEW
Samuel Akil, Jared M Newman, Neil V Shah, Natasha Ahmed, Ajit J Deshmukh, Aditya V Maheshwari
Metal hypersensitivity (MHS) is a rare complication of total joint arthroplasty that has been linked to prosthetic device failure when other potential causes have been ruled out. The purpose of this review was to conduct an analysis of existing literature in order to get a better understanding of the pathophysiology, presentation, diagnosis, and management of MHS. It has been described as a type IV hypersensitivity reaction to the metals comprising prosthetic implants, often nickel and cobalt-chromium. Patients suffering from this condition have reported periprosthetic joint pain and swelling as well as cutaneous, eczematous dermatitis...
January 2018: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/29627736/regression-models-to-predict-the-behavior-of-the-coefficient-of-friction-of-aisi-316l-on-uhmwpe-under-iso-14243-3-conditions
#17
A L Garcia-Garcia, M Alvarez-Vera, L A Montoya-Santiyanes, I Dominguez-Lopez, J L Montes-Seguedo, J C Sosa-Savedra, J D O Barceinas-Sanchez
Friction is the natural response of all tribosystems. In a total knee replacement (TKR) prosthetic device, its measurement is hindered by the complex geometry of its integrating parts and that of the testing simulation rig operating under the ISO 14243-3:2014 standard. To develop prediction models of the coefficient of friction (COF) between AISI 316L steel and ultra-high molecular weight polyethylene (UHMWPE) lubricated with fetal bovine serum dilutions, the arthrokinematics and loading conditions prescribed by the ISO 142433: 2014 standard were translated to a simpler geometrical setup, via Hertz contact theory...
March 27, 2018: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29626655/complications-and-cost-of-single-stage-vs-two-stage-bilateral-unicompartmental-knee-arthroplasty-a-case-control-study
#18
C Siedlecki, P Beaufils, B Lemaire, N Pujol
BACKGROUND: Single-stage bilateral knee arthroplasty, even when unicompartmental, remains controversial, chiefly due to the risk of peri-operative complications. The primary objective of this study was to compare the short-term complication rate and cost of single- vs. two-stage bilateral unicompartmental knee arthroplasty (UCA). The secondary objective was to compare total hospital stay lengths and motion-range recovery. HYPOTHESIS: Single-stage bilateral UCA is a cost-saving alternative that is not associated with higher complication rates compared to two-stage bilateral UCA...
April 4, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29625413/a-novel-approach-for-the-detection-and-exploration-of-joint-coupling-patterns-in-the-lower-limb-kinetic-chain
#19
Kevin Deschamps, Maarten Eerdekens, Jurre Geentjens, Lieselot Santermans, Lien Steurs, Bart Dingenen, Maarten Thysen, Filip Staes
BACKGROUND: A comprehensive perspective on foot and lower limb joint coupling is lacking since previous studies did not consider the multi-articular nature of the foot and lower limb neither accounted for biomechanical heterogeneity. RESEARCH QUESTION: The current manuscript describes a novel methodological process for detection and exploration of joint coupling patterns in the lower limb kinetic chain. METHODS: The first stage of the methodological process encompasses the measurement of 3D joint kinematics of the foot and lower limb kinetic chain during dynamic activities...
March 31, 2018: Gait & Posture
https://www.readbyqxmd.com/read/29625411/joint-moment-strategies-during-stair-descent-in-patients-with-peripheral-arterial-disease-and-intermittent-claudication
#20
Stephanie L King, Natalie Vanicek, Thomas D O'Brien
OBJECTIVE: To determine the lower limb joint kinetic strategies during stair descent in claudicants with peripheral arterial disease (PAD-IC). DESIGN: Cross-sectional observation study. SETTING: University laboratory. PARTICIPANTS: A total of 22 participants; 10 healthy controls and 12 patients diagnosed with PAD-IC. MAIN OUTCOME MEASURES: Between-group comparisons of ground reaction force (GRF) and, hip, knee and ankle kinetics during steady-state stair descent...
March 26, 2018: Gait & Posture
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