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https://www.readbyqxmd.com/read/28534226/the-diagnostic-value-of-a-modified-neer-test-in-identifying-subacromial-impingement-syndrome
#1
Yu Guosheng, Ren Chongxi, Cui Guoqing, Xu Junling, Ji Hailong
BACKGROUND: Subacromial impingement syndrome (SAIS) is characterized by pain experienced through an arc of elevation as the shoulder abducts and diagnosed commonly by Neer test (NT). However, the diagnostic accuracy of NT for SAIS is still limited. Here, a modified Neer test (MNT) was introduced to improve the accuracy of the clinical examination in diagnosing SAIS and differentiating it from frozen shoulder. The aim of this study was to investigate the diagnostic values of MNT in diagnosing SAIS and differentiating it from frozen shoulder...
May 22, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28534159/arthroscopic-treatment-successfully-treats-posterior-elbow-impingement-in-an-athletic-population
#2
Jason L Koh, Brad A Zwahlen, David W Altchek, Todd A Zimmerman
PURPOSE: Posterior elbow impingement can cause disabling pain and limited motion during activities involving elbow extension. Less understood is whether arthroscopic treatment, compared to open surgery, can result in effective management of pain, loss of range of motion, and return athletes to previous levels of activity. This study determined whether arthroscopic debridement is a safe and effective treatment for posterior elbow impingement and whether it enables athletes to return to a previous level of function...
May 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28528016/the-influence-of-humeral-neck-shaft-angle-and-glenoid-lateralization-on-range-of-motion-in-reverse-shoulder-arthroplasty
#3
Birgit S Werner, Jean Chaoui, Gilles Walch
BACKGROUND: Recent developments in reverse shoulder arthroplasty (RSA) have focused on changes in several design-related parameters, including humeral component design, to allow for easier convertibility. Alterations in humeral inclination and offset on shoulder kinematics may have a relevant influence on postoperative outcome. This study used a virtual computer simulation to evaluate the influence of humeral neck shaft angle and glenoid lateralization on range of motion in onlay design RSA...
May 17, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28516234/assessing-long-term-return-to-play-after-hip-arthroscopy-in-football-players-evaluating-risk-factors-for-good-prognosis
#4
D Barastegui, R Seijas, P Alvarez-Diaz, E Rivera, E Alentorn-Geli, G Steinbacher, X Cuscó, R Cugat
PURPOSE: Groin pain is the third most common disease in football players and has often been associated with hip pathology such as femoroacetabular impingement and labral lesions. Hip arthroscopy offers possibilities of function restoration via minimally invasive procedures. The aim of this study is to evaluate professional football player's injuries and their return to play after hip arthroscopy for FAI and labral injuries. METHODS: Patients that underwent hip arthroscopy between 2009 and 2014 were selected retrospectively...
May 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28506842/diagnostic-and-prognostic-value-of-delayed-gadolinium-enhanced-magnetic-resonance-imaging-of-cartilage-dgemric-in-early-osteoarthritis-of-the-hip
#5
Antony Palmer, Scott Fernquest, Ines Rombach, Daniel Park, Tom Pollard, John Broomfield, Neal Bangerter, Andrew Carr, Sion Glyn-Jones
BACKGROUND: Delayed Gadolinium Enhanced MRI of Cartilage (dGEMRIC) can detect glycosaminoglycan loss in the acetabular cartilage of asymptomatic individuals with cam morphology. The aims of this study were to explore the relationship between cam morphology and dGEMRIC values, and to explore whether baseline dGEMRIC can predict the development of radiographic hip osteoarthritis. METHODS: Prospective cohort (SibKids) study with clinical, radiographic, and MRI assessment at baseline and five-year follow-up (n=34)...
May 12, 2017: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/28499464/prospective-study-on-ocular-motility-limitation-due-to-orbital-muscle-entrapment-or-impingement-associated-with-orbital-wall-fracture
#6
Babak Alinasab, Abdul Rashid Qureshi, Pär Stjärne
INTRODUCTION: The recommended urgent surgical management of ocular motility restriction due to orbital muscle entrapment or impingement associated with orbital wall fracture needs to be elucidated. AIM: To evaluate the importance of the time from injury to surgery for the outcome in ocular motility and diplopia, the time lapse of ocular motility, diplopia and hypesthesia recovery. MATERIAL AND METHODS: Patients with entrapment or impingement of orbital contents due to orbital wall fracture were followed up prospectively over 1year regarding ocular motility, diplopia, hypesthesia and cosmetic deformity...
April 21, 2017: Injury
https://www.readbyqxmd.com/read/28455466/dislocation-of-a-primary-total-hip-arthroplasty-is-more-common-in-patients-with-a-lumbar-spinal-fusion
#7
A J Buckland, V Puvanesarajah, J Vigdorchik, R Schwarzkopf, A Jain, E O Klineberg, R A Hart, J J Callaghan, H Hassanzadeh
AIMS: Lumbar fusion is known to reduce the variation in pelvic tilt between standing and sitting. A flexible lumbo-pelvic unit increases the stability of total hip arthroplasty (THA) when seated by increasing anterior clearance and acetabular anteversion, thereby preventing impingement of the prosthesis. Lumbar fusion may eliminate this protective pelvic movement. The effect of lumbar fusion on the stability of total hip arthroplasty has not previously been investigated. PATIENTS AND METHODS: The Medicare database was searched for patients who had undergone THA and spinal fusion between 2005 and 2012...
May 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28450173/a-method-for-the-improved-detection-of-aerosolized-influenza-viruses-and-the-male-specific-f-rna-coliphage-ms2
#8
J C Chandler, J W Schaeffer, M Davidson, S L Magzamen, A Pérez-Méndez, S J Reynolds, L D Goodridge, J Volckens, A B Franklin, S A Shriner, B Bisha
The detection of aerosolized viruses can serve as an important surveillance and control tool in agriculture, human health, and environmental settings. Here, we adapted an anion exchange resin-based method, initially developed to concentrate negatively charged viruses from water, to liquid impingement-based bioaerosol sampling. In this method, aerosolized viruses are collected in a 20ml liquid sample contained within widely used impingers, BioSamplers (SKC Inc., Eighty Four, PA), and further concentrated via adsorption to an anion exchange resin that is suspended within this liquid...
April 24, 2017: Journal of Virological Methods
https://www.readbyqxmd.com/read/28446376/comparison-of-virtual-reality-exergaming-and-home-exercise-programs-in-patients-with-subacromial-impingement-syndrome-and-scapular-dyskinesis-short-term-effect
#9
Nihan Ozunlu Pekyavas, Nevin Ergun
OBJECTIVE: The aim of this study was to compare the short term effects of home exercise program and virtual reality exergaming in patients with subacromial impingement syndrome (SAIS). METHODS: A total of 30 patients with SAIS were randomized into two groups which are Home Exercise Program (EX Group) (mean age: 40.6 ± 11.7 years) and Virtual Reality Exergaming Program (WII Group) (mean age: 40.33 ± 13.2 years). Subjects were assessed at the first session, at the end of the treatment (6 weeks) and at 1 month follow-up...
April 24, 2017: Acta Orthopaedica et Traumatologica Turcica
https://www.readbyqxmd.com/read/28444767/the-dual-orexin-receptor-antagonist-dora-22-lowers-histamine-levels-in-the-lateral-hypothalamus-and-prefrontal-cortex-without-lowering-hippocampal-acetylcholine
#10
Lihang Leon Yao, Andres Ramirez, Anthony J Roecker, Steven Fox, Jason Uslaner, Sean M Smith, Robert Hodgson, Paul J Coleman, John J Renger, Christopher J Winrow, Anthony L Gotter
Chronic insomnia is defined as a persistent difficulty with sleep initiation maintenance or non-restorative sleep. The therapeutic standard of care for this condition is treatment with gamma-aminobutyric acid (GABA)A receptor modulators, which promote sleep but are associated with a panoply of side effects, including cognitive and memory impairment. Dual orexin receptor antagonists (DORAs) have recently emerged as an alternative therapeutic approach that acts via a distinct and more selective wake-attenuating mechanism with the potential to be associated with milder side effects...
April 26, 2017: Journal of Neurochemistry
https://www.readbyqxmd.com/read/28441738/simulation-study-of-the-localization-of-a-near-surface-crack-using-an-air-coupled-ultrasonic-sensor-array
#11
Steven Delrue, Vladislav Aleshin, Mikael Sørensen, Lieven De Lathauwer
The importance of Non-Destructive Testing (NDT) to check the integrity of materials in different fields of industry has increased significantly in recent years. Actually, industry demands NDT methods that allow fast (preferably non-contact) detection and localization of early-stage defects with easy-to-interpret results, so that even a non-expert field worker can carry out the testing. The main challenge is to combine as many of these requirements into one single technique. The concept of acoustic cameras, developed for low frequency NDT, meets most of the above-mentioned requirements...
April 22, 2017: Sensors
https://www.readbyqxmd.com/read/28410198/specific-changes-in-mitochondrial-lipidome-alter-mitochondrial-proteome-and-increase-the-geroprotective-efficiency-of-lithocholic-acid-in-chronologically-aging-yeast
#12
Anna Leonov, Anthony Arlia-Ciommo, Simon D Bourque, Olivia Koupaki, Pavlo Kyryakov, Paméla Dakik, Mélissa McAuley, Younes Medkour, Karamat Mohammad, Tamara Di Maulo, Vladimir I Titorenko
We have previously found that exogenously added lithocholic acid delays yeast chronological aging. We demonstrated that lithocholic acid enters the yeast cell, is sorted to mitochondria, resides in both mitochondrial membranes, changes the relative concentrations of different membrane phospholipids, triggers changes in the concentrations of many mitochondrial proteins, and alters some key aspects of mitochondrial functionality. We hypothesized that the lithocholic acid-driven changes in mitochondrial lipidome may have a causal role in the remodeling of mitochondrial proteome, which may in turn alter the functional state of mitochondria to create a mitochondrial pattern that delays yeast chronological aging...
May 9, 2017: Oncotarget
https://www.readbyqxmd.com/read/28407167/introduction-of-two-novel-stiffness-parameters-and-interpretation-of-air-puff-induced-biomechanical-deformation-parameters-with-a-dynamic-scheimpflug-analyzer
#13
Cynthia J Roberts, Ashraf M Mahmoud, Jeffrey P Bons, Arif Hossain, Ahmed Elsheikh, Riccardo Vinciguerra, Paolo Vinciguerra, Renato Ambrósio
PURPOSE: To investigate two new stiffness parameters and their relationships with the dynamic corneal response (DCR) parameters and compare normal and keratoconic eyes. METHODS: Stiffness parameters are defined as Resultant Pressure at inward applanation (A1) divided by corneal displacement. Stiffness parameter A1 uses displacement between the undeformed cornea and A1 and stiffness parameter highest concavity (HC) uses displacement from A1 to maximum deflection during HC...
April 1, 2017: Journal of Refractive Surgery
https://www.readbyqxmd.com/read/28388318/rotary-and-high-pressure-nozzle-spray-plume-droplet-analysis-for-aerially-applied-mosquito-adulticides-laser-diffraction-characterization
#14
Jonathan A Hornby, Jim Robinson, Milton Sterling
The droplet spectrum of a mosquito adulticide spray plume determines its ability to drift through the target area, impinge on the mosquito, deliver a toxic dose, and the risk of environmental contamination. This paper provides data on droplet spectra produced from 6 nozzles in a high-pressure nozzle spray system and 5 rotary nozzle systems for common mosquito adulticides. Spray plume spectra were measured by laser diffraction. High-pressure nozzles were evaluated at pressures ranging from 500 psi to 6,000 psi...
March 2017: Journal of the American Mosquito Control Association
https://www.readbyqxmd.com/read/28385420/less-is-more-efficacy-of-rapid-3d-t2-space-in-ed-patients-with-acute-atypical-low-back-pain
#15
Nicholas A Koontz, Richard H Wiggins, Megan K Mills, Michael S McLaughlin, Elaine C Pigman, Yoshimi Anzai, Lubdha M Shah
RATIONALE AND OBJECTIVES: Emergency department (ED) patients with acute low back pain (LBP) may present with ambiguous clinical findings that pose diagnostic challenges to exclude cauda equina syndrome (CES). As a proof of concept, we aimed to determine the efficacy of a rapid lumbar spine (LS) magnetic resonance imaging (MRI) screening protocol consisting of a single 3D-T2 SPACE FS (3D-T2 Sampling Perfection with Application optimized Contrasts using different flip angle Evolution fat saturated) sequence relative to conventional LS MRI to exclude emergently treatable pathologies in this complex patient population...
April 3, 2017: Academic Radiology
https://www.readbyqxmd.com/read/28375966/simultaneous-bilateral-hip-arthroscopy-in-adolescent-athletes-with-symptomatic-femoroacetabular-impingement
#16
Mark O McConkey, Vivek Chadayammuri, Tigran Garabekyan, Stephanie W Mayer, Matthew J Kraeutler, Omer Mei-Dan
BACKGROUND: Femoroacetabular impingement represents a common cause of hip pain in adolescents. The purpose of the present study was to evaluate the safety and efficacy of simultaneous bilateral hip arthroscopy for bilateral symptomatic femoroacetabular impingement in adolescent athletes. METHODS: Clinical data were collected in a prospective database on patients who underwent unilateral or simultaneous bilateral hip arthroscopy and included complications, reoperation rate, and return to play time...
April 3, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28373991/semianalytical-solution-for-the-deformation-of-an-elastic-layer-under-an-axisymmetrically-distributed-power-form-load-application-to-fluid-jet-induced-indentation-of-biological-soft-tissues
#17
Minhua Lu, Shuai Huang, Xianglong Yang, Lei Yang, Rui Mao
Fluid-jet-based indentation is used as a noncontact excitation technique by systems measuring the mechanical properties of soft tissues. However, the application of these devices has been hindered by the lack of theoretical solutions. This study developed a mathematical model for testing the indentation induced by a fluid jet and determined a semianalytical solution. The soft tissue was modeled as an elastic layer bonded to a rigid base. The pressure of the fluid jet impinging on the soft tissue was assumed to have a power-form function...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28366611/oscillatory-hydraulic-testing-as-a-strategy-for-napl-source-zone-monitoring-laboratory-experiments
#18
YaoQuan Zhou, Michael Cardiff
Non-aqueous phase liquids (NAPLs) have a complex mode of transport in heterogeneous aquifers, which can result in pools and lenses of NAPLs (the "source zone") that are difficult to detect and can cause long-term contamination via slow dissolution into groundwater (the "dissolved plume"). Characterizing the extent and evolution of NAPL contamination within the source zone is a useful strategy for designing and adapting appropriate remedial actions at many contaminated sites. As a NAPL flows into a given aquifer volume, the effective hydraulic conductivity (K) and specific storage (Ss) of the volume changes associated with the viscosity and compressibility of the impinging fluid, meaning that NAPL movement may be detectable with hydraulic testing...
May 2017: Journal of Contaminant Hydrology
https://www.readbyqxmd.com/read/28359286/the-double-edged-sword-of-re-expression-of-genes-by-hypomethylating-agents-from-viral-mimicry-to-exploitation-as-priming-agents-for-targeted-immune-checkpoint-modulation
#19
REVIEW
Florian Wolff, Michael Leisch, Richard Greil, Angela Risch, Lisa Pleyer
Hypomethylating agents (HMAs) have been widely used over the last decade, approved for use in myelodysplastic syndrome (MDS), chronic myelomonocytic leukemia (CMML) and acute myeloid leukemia (AML). The proposed central mechanism of action of HMAs, is the reversal of aberrant methylation in tumor cells, thus reactivating CpG-island promoters and leading to (re)expression of tumor suppressor genes. Recent investigations into the mode of action of azacitidine (AZA) and decitabine (DAC) have revealed new molecular mechanisms that impinge on tumor immunity via induction of an interferon response, through activation of endogenous retroviral elements (ERVs) that are normally epigenetically silenced...
March 31, 2017: Cell Communication and Signaling: CCS
https://www.readbyqxmd.com/read/28339752/testing-shoulder-pain-mapping
#20
Levent Bayam, Rajendra Arumilli, Ian Horsley, Fatma Bayam, Lee Herrington, Lennard Funk
Objective. : A previous study on shoulder pain mapping showed specific pain patterns for common shoulder disorders. This study aimed to test those patterns for accuracy, modify shoulder pain mapping as needed, and observe their reliability and validity. Methods. : This prospective study used a two-step process and was undertaken to determine its potential utility in daily practice. New shoulder pain patients marked their pain, its character and severity, on a custom-made mapping form...
February 22, 2017: Pain Medicine: the Official Journal of the American Academy of Pain Medicine
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