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https://www.readbyqxmd.com/read/28550358/visualization-of-a-cam-type-femoroacetabular-impingement-while-squatting-using-image-matching-techniques-a-case-report
#1
Kensei Yoshimoto, Satoshi Hamai, Hidehiko Higaki, Hirotaka Gondoh, Yasuharu Nakashima
The in vivo assessment of the three-dimensional (3D) kinematics of the hip in patients with femoroacetabular impingement (FAI) under weight-bearing conditions has not been previously reported. We evaluated the pre- and postoperative hip kinematics of a 34-year-old man, with a cam-type FAI while squatting, using image-matching techniques with measurement of the rim-neck distance. Post-osteochondroplasty, the α-angle improved from 51.0° to 35.5° and the head-neck offset ratio from 0.04 to 0.23. Coxalgia during squatting disappeared, and the Harris Hip Score improved from 79 to 92 at 1 year post-surgery...
May 27, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28547675/complications-following-proximal-femoral-locking-compression-plating-in-unstable-proximal-femur-fractures-medium-term-follow-up
#2
Sandro Hodel, Frank J P Beeres, Reto Babst, Björn-Christian Link
PURPOSE: To assess the outcome in patients treated with proximal femoral locking compression plate (PF-LCP 4.5/5.0, Synthes(©)) for unstable inter- and subtrochanteric femoral fractures. METHODS: A retrospective analysis of 16 patients with proximal femur fractures (AO: 31A2: n = 5/32.3%; 31-A3: n = 10/62.5%; 32B1: n = 1/6.3%) treated with a PF-LCP at a Level 1 trauma centre between 2011 and 2015 was conducted. RESULTS: Sixteen patients were available for follow-up with a mean follow-up time of 14 months (range 4-29)...
May 25, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28547075/comparison-of-photobiomodulation-therapy-and-suprascapular-nerve-pulsed-radiofrequency-in-chronic-shoulder-pain-a-randomized-controlled-single-blind-clinical-trial
#3
Burcu Metin Ökmen, Korgün Ökmen
Shoulder pain can be difficult to treat due to its complex anatomic structure, and different treatment methods can be used. We aimed to examine the efficacy of photobiomodulation therapy (PBMT) and suprascapular nerve (SSN)-pulsed radiofrequency (RF) therapy. In this prospective, randomized, controlled, single-blind study, 59 patients with chronic shoulder pain due to impingement syndrome received PBMT (group H) or SSN-pulsed RF therapy (group P) in addition to exercise therapy for 14 sessions over 2 weeks...
May 25, 2017: Lasers in Medical Science
https://www.readbyqxmd.com/read/28546443/astronaut-ophthalmic-syndrome
#4
Sara R Zwart, Charles R Gibson, Jesse F Gregory, Thomas H Mader, Patrick J Stover, Steven H Zeisel, Scott M Smith
During and after missions on the International Space Station, some astronauts experience ophthalmic changes, including choroidal folds, optic disc edema, cotton-wool spots, globe flattening, and refraction changes. Astronauts with ophthalmic issues had significantly higher plasma concentrations of metabolites that are associated with the 1-carbon metabolic pathway than those without ophthalmic issues. We hypothesized that genetic differences might explain the metabolite differences. Indeed, genetics and B vitamin status were significant predictors of ophthalmic issues...
May 25, 2017: FASEB Journal: Official Publication of the Federation of American Societies for Experimental Biology
https://www.readbyqxmd.com/read/28546000/posttraumatic-calcaneocuboid-impingement-syndrome-a-case-report
#5
Tomoki Ohori, Tomohiko Matsuo, Kazutaka Kinugasa, Yasukazu Yonetani, Masayuki Hamada
No abstract text is available yet for this article.
May 22, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28545948/numerical-investigation-of-mist-air-impingement-cooling-on-ribbed-blade-leading-edge-surface
#6
Qingfei Bian, Jin Wang, Yi-Tung Chen, Qiuwang Wang, Min Zeng
The working gas turbine blades are exposed to the environment of high temperature, especially in the leading-edge region. The mist/air two-phase impingement cooling has been adopted to enhance the heat transfer on blade surfaces and investigate the leading-edge cooling effectiveness. An Euler-Lagrange particle tracking method is used to simulate the two-phase impingement cooling on the blade leading-edge. The mesh dependency test has been carried out and the numerical method is validated based on the available experimental data of mist/air cooling with jet impingement on a concave surface...
May 23, 2017: Journal of Environmental Management
https://www.readbyqxmd.com/read/28545718/the-effect-of-glenoid-component-version-and-humeral-polyethylene-liner-rotation-on-subluxation-and-impingement-in-reverse-shoulder-arthroplasty
#7
Vijay N Permeswaran, Andrea Caceres, Jessica E Goetz, Donald D Anderson, Carolyn M Hettrich
BACKGROUND: A previously validated finite element modeling approach was used to determine how changes in glenoid component version and polyethylene liner rotation within the humeral component affect the arm abduction angle at which impingement between the inferior glenoid and the polyethylene liner occurs as well as the amount of subluxation generated by that impingement. MATERIALS AND METHODS: Five glenoid component versions (5° anteversion; neutral; 5°, 10°, and 20° retroversion) and 7 polyethylene liner rotations (20° and 10° anterior; neutral; 10°, 20°, 30°, and 40° posterior) were considered, resulting in 35 different clinically representative models...
May 22, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28542912/the-nucleus-is-irreversibly-shaped-by-motion-of-cell-boundaries-in-cancer-and-non-cancer-cells
#8
Vincent J Tocco, Yuan Li, Keith G Christopher, James H Matthews, Varun Aggarwal, Lauren Paschall, Hendrik Luesch, Jonathan D Licht, Richard B Dickinson, Tanmay P Lele
Actomyosin stress fibers impinge on the nucleus and can exert compressive forces on it. These compressive forces have been proposed to elongate nuclei in fibroblasts, and lead to abnormally shaped nuclei in cancer cells. In these models, the elongated or flattened nuclear shape is proposed to store elastic energy. However, we found that deformed shapes of nuclei are unchanged even after removal of the cell with micro-dissection, both for smooth, elongated nuclei in fibroblasts and abnormally shaped nuclei in breast cancer cells...
May 25, 2017: Journal of Cellular Physiology
https://www.readbyqxmd.com/read/28539616/analytical-consideration-of-liquid-droplet-impingement-on-solid-surfaces
#9
Yukihiro Yonemoto, Tomoaki Kunugi
In industrial applications involving spray-cooling, combustion, and so on, prediction of the maximum spreading diameter of a droplet impinging on a solid surface permits a quantitative estimation of heat removal and energy consumption. However, although there are many experimental studies regarding droplet impingement behaviour, theoretical models have an applicability limit for predicting the maximum spreading diameter. In the present study, we have developed an analytical model for droplet impingement based on energy conservation that considers adhesion energy in both horizontal and vertical directions at the contact line...
May 24, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28538530/clinical-assessment-and-diagnostics-of-patients-with-hand-disorders-a-case-study-approach
#10
Mabel Qi He Leow, Rebecca Qian Ru Lim, Shian Chao Tay
Clinical assessment of the hand is important for diagnosing underlying hand disorders. Using a case study approach, the clinical assessment for three disorders of the hands is presented: trigger finger (stenosing tenosynovitis), carpal tunnel syndrome, and ulnar-sided wrist injury (styloid impingement). We assess the annular one pulley and finger range of motion for patients with trigger finger. To diagnose for carpal tunnel syndrome, assessment for Tinel's sign, Phalen's sign, abductor pollicis brevis muscle bulk, two-point discrimination, and obtaining a nerve conduction study are performed...
May 2017: Orthopaedic Nursing
https://www.readbyqxmd.com/read/28537648/an-anterior-inferior-iliac-spine-avulsion-fracture-in-a-14-year-old-boy-on-human-growth-hormone
#11
Anthony J Scillia, Todd P Pierce, Anthony Festa, Peter Goljan, Vincent K McInerney
We present the case of a young man with an anterior inferior iliac spine (AIIS) avulsion fracture who was taking human growth hormone (HGH) at the time his injury was diagnosed. He presented with chronic hip pain and no traumatic event. Physical exam revealed symptoms of hip impingement. Upon imaging, he was diagnosed with an AIIS avulsion fracture and underwent surgical repair. He returned to full activity six months post-operatively. At 18-months post-operatively, he was pain-free and performing all activities without difficulty...
May 24, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/28534226/the-diagnostic-value-of-a-modified-neer-test-in-identifying-subacromial-impingement-syndrome
#12
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
#13
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/28532884/the-role-of-scapular-kinematics-in-patients-with-different-shoulder-musculoskeletal-disorders-a-systematic-review-approach
#14
REVIEW
Roshanak Keshavarz, Siamak Bashardoust Tajali, Seyed Mohsen Mir, H Ashrafi
This study aimed to identify the role of the scapula in shoulder musculoskeletal disorders (SMDs) and provided a systematic review of available studies in the field of scapular three-dimensional kinematics. We systematically searched 5 international databases, including Scopus, EMBASE, PubMed, CINAHL, PEDro, and Cochrane Library from June to September 2015. Twenty studies met the inclusion criteria and were retrieved in full paper. The selected studies were critically appraised independently by two researchers...
April 2017: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/28530160/eagle-syndrome-a-case-report-of-stylocarotid-syndrome-with-internal-carotid-artery-dissection
#15
Travis W Smoot, Ammar Taha, Nicholas Tarlov, Blake Riebe
Eagle syndrome is defined by an elongated styloid process or a calcified stylohyoid ligament that impinges on surrounding structures and causes a variety of symptoms. Classically, Eagle syndrome presents as neck, throat, or ear pain. The vascular variant, stylocarotid syndrome, can present as headache, transient ischemic attack, or stroke. Carotid artery dissection is a rare complication of stylocarotid syndrome. We report a case of stylocarotid syndrome in a 60-year-old man who presented with a right internal carotid artery (ICA) dissection and focal neurological deficits...
January 1, 2017: Interventional Neuroradiology
https://www.readbyqxmd.com/read/28529934/coronoid-impingement-syndrome-literature-review-and-clinical-management
#16
Priti Acharya, Andrew Stewart, Farhad B Naini
BACKGROUND: This case report discusses the unusual presentation of limited mouth opening as a result of bilateral coronoid process hyperplasia. CASE PRESENTATION: A 14.5-year-old male patient of white Caucasian ethnicity presented with limited mouth opening, mandibular asymmetry, and dental crowding. Investigations confirmed bilateral coronoid process hyperplasia and management involved bilateral intraoral coronoidectomy surgery under general anaesthesia, followed by muscular rehabilitation...
December 2017: Maxillofacial Plastic and Reconstructive Surgery
https://www.readbyqxmd.com/read/28529805/physical-activity-modulates-common-neuroplasticity-substrates-in-major-depressive-and-bipolar-disorder
#17
REVIEW
Cristy Phillips
Mood disorders (MDs) are chronic, recurrent mental diseases that affect millions of individuals worldwide. Although the biogenic amine model has provided some clinical utility, a need remains to better understand the interrelated mechanisms that contribute to neuroplasticity deficits in MDs and the means by which various therapeutics mitigate them. Of those therapeutics being investigated, physical activity (PA) has shown clear and consistent promise. Accordingly, the aims of this review are to (1) explicate key modulators, processes, and interactions that impinge upon multiple susceptibility points to effectuate neuroplasticity deficits in MDs; (2) explore the putative mechanisms by which PA mitigates these features; (3) review protocols used to induce the positive effects of PA in MDs; and (4) highlight implications for clinicians and researchers...
2017: Neural Plasticity
https://www.readbyqxmd.com/read/28529662/femoral-and-acetabular-re-alignment-in-slipped-capital-femoral-epiphysis
#18
M Leunig, H M Manner, L Turchetto, R Ganz
NEW PATHOPHYSIOLOGICAL INSIGHTS: Based on improved knowledge of the vascular supply of the proximal femur, a safe surgical dislocation of the hip joint was established allowing direct insights to the pathomorphological malfunctioning of the joint. One insight was that slipped capital femoral epiphysis (SCFE) impingement leads to substantial damage of the chondrolabral rim area, even in the presence of minor slips. A further surgical development was the extended retinacular flap allowing for correction of the deformity with calculable risk for iatrogenic necrosis...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28529661/slipped-capital-femoral-epiphysis-management-and-the-arthroscope
#19
F Accadbled, O May, C Thévenin-Lemoine, J Sales de Gauzy
BACKGROUND: In situ pinning of slipped capital femoral epiphysis (SCFE) results in various degrees of deformity of the femoral head-neck junction. Repetitive trauma from cam-type femoroacetabular impingement (FAI) can lead to labral tears and injury to the articular cartilage causing loss of function. Arthroscopic osteoplasty is an alternative to open procedure and to Southwick/Imhäuser-type osteotomies in symptomatic selected cases. SURGICAL TECHNIQUE: The amount of bone to be resected has to be carefully planned pre-operatively...
April 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28529658/pinning-the-slipped-and-contralateral-hips-in-the-treatment-of-slipped-capital-femoral-epiphysis
#20
G Hägglund
PURPOSE: To describe and comment on the treatment of the slipped capital femoral epiphysis (SCFE) with pinning and to present the pros and cons of prophylactic pinning of the contralateral hip. SUMMARY: Pinning the SCFE aims to fix the epiphysis and prevent further slipping. Some devices allow for further growth and remodeling of the femoral neck post-operatively. This results in maintained femoral offset and probably reduced risk of femoroacetabular impingement...
April 2017: Journal of Children's Orthopaedics
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