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https://www.readbyqxmd.com/read/28633973/patellofemoral-osteoarthritis-progression-and-alignment-changes-after-open-wedge-high-tibial-osteotomy-do-not-affect-clinical-outcomes-at-mid-term-follow-up
#1
Kenichi Goshima, Takeshi Sawaguchi, Kenji Shigemoto, Shintaro Iwai, Akira Nakanishi, Ken Ueoka
PURPOSE: To evaluate the clinical and radiological outcomes of open-wedge high tibial osteotomy (OWHTO) with respect to the patellofemoral joint and to assess whether patellofemoral osteoarthritis (OA) progression and alignment changes after OWHTO affect clinical outcomes. METHODS: Inclusion criteria were consecutive patients who underwent OWHTO from March 2005 to September 2013. Exclusion criteria were loss to follow-up within 2 years and absence of second-look arthroscopy findings at the time of plate removal...
June 17, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28632553/lumbar-retrolisthesis-in-aging-spine-what-are-the-associated-factors
#2
Feng Zhu, Hongda Bao, Zhen Liu, Zezhang Zhu, Shouyu He, Yong Qiu
STUDY DESIGN: A retrospective radiographic study. OBJECTIVE: The aim of this study is to demonstrate that lumbar retrolisthesis serves as an important compensatory mechanism and to identify the possible factor related to lumbar retrolisthesis. SUMMARY OF BACKGROUND DATA: Lumbar instability is one of the common degenerative changes, which presents as 2 radiologic features: anterolisthesis and retrolisthesis. Compared with the extensive studies on anterolisthesis, limit data are available on the characteristics and clinical relevance of lumbar retrolisthesis...
July 2017: Clinical Spine Surgery
https://www.readbyqxmd.com/read/28630837/excision-of-solitary-osteochondroma-on-the-ventral-aspect-of-left-scapula-presenting-as-pseudowinging-in-a-4-year-old-boy-a-rare-case-report
#3
P Hegin Tungdim, I Ibomcha Singh, Sagnik Mukherjee, Tobu Pertin
INTRODUCTION: Osteochondroma is a benign bony lesion with cartilaginous cap occurring usually in long bones, but flat bones may also be involved, either isolated or as a part of a syndrome. Usually, they are asymptomatic, but appearance of symptoms such as mass effect may warrant surgical intervention, which is usually delayed till skeletal maturity. CASE REPORT: A 4-year-old male child presented with swelling on ventral aspect of inferior angle of scapula associated with pain, pseudowinging of scapula, and snapping sound of the left shoulder on movement...
January 2017: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28628004/visual-field-map-clusters-in-human-frontoparietal-cortex
#4
Wayne E Mackey, Jonathan Winawer, Clayton E Curtis
The visual neurosciences have made enormous progress in recent decades, in part because of the ability to drive visual areas by their sensory inputs, allowing researchers to reliably define visual areas across individuals and across species. Similar strategies for parcellating higher-order cortex have proven elusive. Here, using a novel experimental task and nonlinear population receptive field modeling we map and characterize the topographic organization of several regions in human frontoparietal cortex. We discover representations of both polar angle and eccentricity that are organized into clusters, similar to visual cortex, where multiple gradients of polar angle of the contralateral visual field share a confluent fovea...
June 19, 2017: ELife
https://www.readbyqxmd.com/read/28624667/schwannoma-and-neurofibroma-of-the-posterior-tibial-nerve-presenting-as-tarsal-tunnel-syndrome-review-of-the-literature-with-two-case-reports
#5
REVIEW
Makgabo John Tladi, Nikiforos Pandelis Saragas, Paulo Norberto Ferrao, Andrew Strydom
BACKGROUND: Hallux valgus is the lateral deviation of the great toe at the MTPJ that has many attributing aetiologies. This study will aim to identify whether hallux valgus progresses over time in the oriental Chinese population in Hong Kong. METHODS: Patients with acquired symptomatic hallux valgus who presented to clinic between 2008 and 2013 were included. The deformities were analysed radiologically at presentation and pre-operative and angles were measured...
March 30, 2017: Foot
https://www.readbyqxmd.com/read/28623387/retinal-vascular-geometry-and-6%C3%A2-year-incidence-and-progression-of-diabetic-retinopathy
#6
Carol Yim-Lui Cheung, Charumathi Sabanayagam, Antony Kwan-Pui Law, Neelam Kumari, Daniel Shu-Wei Ting, Gavin Tan, Paul Mitchell, Ching Yu Cheng, Tien Yin Wong
AIMS/HYPOTHESIS: We aimed to examine prospectively the association between a range of retinal vascular geometric variables measured from retinal photographs and the 6 year incidence and progression of diabetic retinopathy. METHODS: We conducted a prospective, population-based cohort study of Asian Malay individuals aged 40-80 years at baseline (n = 3280) who returned for a 6 year follow-up. Retinal vascular geometric variables (tortuosity, branching, fractal dimension, calibre) were measured from baseline retinal photographs using a computer-assisted program (Singapore I Vessel Assessment)...
June 16, 2017: Diabetologia
https://www.readbyqxmd.com/read/28622900/the-risk-of-curve-progression-and-surgery-in-african-americans-with-adolescent-idiopathic-scoliosis
#7
Taylor Lara, Nelson Astur, Tamekia L Jones, Vinayak Perake, Alice Moisan, William C Warner, Jeffery R Sawyer, Derek M Kelly
STUDY DESIGN: Retrospective clinical cohort study. OBJECTIVE: To determine if certain risk factors (age, curve magnitude, skeletal maturity, gender, and curve pattern) traditionally associated with curve progression and surgical intervention in the general population apply equally to African Americans. SUMMARY OF BACKGROUND DATA: Currently, information is limited on the role that a patient's race plays in the risk of curve progression of adolescent idiopathic scoliosis (AIS), and existing studies have conflicting results...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622896/biomechanical-modeling-of-spine-flexibility-and-its-relationship-to-spinal-range-of-motion-and-idiopathic-scoliosis
#8
Tishya A L Wren, Skorn Ponrartana, Ervin Poorghasamians, Sarah Moreau, Patricia C Aggabao, Tracy L Zaslow, Bianca R Edison, Vicente Gilsanz
STUDY DESIGN: Cross-sectional. OBJECTIVE: To examine the relationships between spine morphology, spine flexibility, and idiopathic scoliosis. BACKGROUND: Girls have a higher incidence of clinically significant scoliosis than boys, along with smaller vertebrae and greater flexibility. Based on biomechanical modeling, we hypothesized that smaller vertebral width relative to intervertebral disc (IVD) height would be associated with both greater lateral flexibility of the spine and with idiopathic scoliosis...
July 2017: Spine Deformity
https://www.readbyqxmd.com/read/28622578/the-progression-of-hallux-valgus-in-the-oriental-chinese-population-in-hong-kong
#9
Kenneth Kin-Hoo Koo, Lung Fung Tse, Hi Shan Cheng, Kevin Ki Wai Ho
BACKGROUND: Hallux valgus is the lateral deviation of the great toe at the MTPJ that has many attributing aetiologies. This study will aim to identify whether hallux valgus progresses over time in the oriental Chinese population in Hong Kong. METHODS: Patients with acquired symptomatic hallux valgus who presented to clinic between 2008 and 2013 were included. The deformities were analysed radiologically at presentation and pre-operative and angles were measured...
March 31, 2017: Foot
https://www.readbyqxmd.com/read/28617580/progressive-stereo-locking-psl-a-residual-dipolar-coupling-based-force-field-method-for-determining-the-relative-configuration-of-natural-products-and-other-small-molecules
#10
Gabriel Cornilescu, René F Ramos Alvarenga, Thomas P Wyche, Tim S Bugni, Roberto R Gil, Claudia C Cornilescu, William M Westler, John L Markley, Charles D Schwieters
Establishing the relative configuration of a bioactive natural product represents the most challenging part in determining its structure. Residual dipolar couplings (RDCs) are sensitive probes of the relative spatial orientation of internuclear vectors. We adapted a force field structure calculation methodology to allow free sampling of both R and S configurations of the stereocenters of interest. The algorithm uses a floating alignment tensor in a simulated annealing protocol to identify the conformations and configurations that best fit experimental RDC and distance restraints (from NOE and J-coupling data)...
June 15, 2017: ACS Chemical Biology
https://www.readbyqxmd.com/read/28617521/regular-versus-releasable-sutures-in-surgery-for-primary-congenital-glaucoma
#11
Nader H Bayoumi
PURPOSE: To compare releasable and regular sutures in combined angle and filtering surgery for primary congenital glaucoma. METHODS: A prospective study was conducted on 39 eyes (26 right eyes) of 39 children (20 boys; 19 girls) who had primary congenital glaucoma treated with combined trabeculotomy-trabeculectomy with mitomycin C and scleral flap closure with regular or releasable sutures. Follow-up was 24 months. Success rates (defined as an intraocular pressure [IOP] < 16 mm Hg without hypotony-related complications and/or lack of IOP-related progression of the disease) were studied and complications were noted...
June 15, 2017: Journal of Pediatric Ophthalmology and Strabismus
https://www.readbyqxmd.com/read/28614286/three-dimensional-true-spine-length-a-novel-technique-for-assessing-the-outcomes-of-scoliosis-surgery
#12
Alan J Spurway, Jennifer K Hurry, Luke Gauthier, Ben Orlik, Chukwudi K Chukwunyerenwa, Waleed E Kishta, Ron El-Hawary
BACKGROUND: Current assessment of spine growth for patients undergoing growth friendly surgical treatment for early-onset scoliosis (EOS) is the use of serial, 1-dimensional standard-of-care coronal vertical spine height (SoCVH) measurements. Any growth of the spine out of the coronal plane is missed by the SoCVH, which may underestimate the actual growth of the spine. This study set to validate the novel 3-dimensional true spine length (3DTSL) radiographic measurement technique for measuring growth of EOS patients...
June 13, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28605005/factors-predicting-the-outcomes-of-incomplete-triple-pelvic-osteotomy
#13
Engin Eceviz, Esat Uygur, Mehmet S Söylemez, Abdullah Eren
INTRODUCTION: In the present study, we identified factors affecting the outcomes of patients who underwent incomplete triple pelvic osteotomies due to acetabular dysplasia. METHODS: Data on a total of 58 hips in 50 patients for whom adequate data were available and who had undergone appropriate follow-up were retrospectively evaluated. We used Ömeroğlu scores for radiological evaluation, Harris Hip Scores for clinical evaluation, Tönnis scores to evaluate osteoarthritis progression and a modified Clavien-Dindo classification to evaluate complications...
June 6, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28600791/orientation-behavior-is-a-good-biomarker-of-trace-metal-contamination-in-parallelomorphus-laevigatus-coleoptera-carabidae
#14
Erminia Conti, Sandro Dattilo, Giovanni Costa, Concetto Puglisi
Behavioral ecotoxicology has become very important in the short time since a change in behavior is very often the first response to environmental altered conditions. We investigated the influence of trace metal intake on the spatial orientation performances of the carabid beetle Parallelomorphus laevigatus, fundamental ability for its survival. The aim of this study was to consider the solar orientation as behavioral biomarker for exposure to trace metal contamination. Therefore, we tested the ability of solar orientation of specimens of this species, fed with shrimps contaminated with three different concentrations of Cu, Zn, or Hg...
June 9, 2017: Environmental Science and Pollution Research International
https://www.readbyqxmd.com/read/28598379/genomic-insight-into-the-role-of-lncrna-in-cancer-susceptibility
#15
REVIEW
Ping Gao, Gong-Hong Wei
With the development of advanced genomic methods, a large amount of long non-coding RNAs (lncRNAs) has been found to be important for cancer initiation and progression. Given that most of the genome-wide association study (GWAS)-identified cancer risk SNPs are located in the noncoding region, the expression and function of lncRNAs are more likely to be affected by the SNPs. The SNPs may affect the expression of lncRNAs directly through disrupting the binding of transcription factors or indirectly by affecting the expression of regulatory factors...
June 9, 2017: International Journal of Molecular Sciences
https://www.readbyqxmd.com/read/28597735/early-changes-of-left-atrial-function-in-chronic-asymptomatic-alcoholics-by-two-dimensional-speckle-tracking-echocardiography
#16
Rui Xu, Runlan Luo, Bijun Tan, Tian Gan, Guangsen Li
Background Chronic excessive alcohol intake has been reported as a possible cause of dilated cardiomyopathy. Two-dimensional speckle-tracking echocardiography (2D-STE) is a novel method for the angle-independent and objective quantification of myocardial deformation. This study sought to assess left atrial function changes among alcoholics related to the duration of heavy drinking by 2D-STE. Methods We classified 92 asymptomatic alcoholics into mild, moderate and severe groups. Thirty age-matched controls were also recruited...
February 2017: Acta Cardiologica
https://www.readbyqxmd.com/read/28590104/time-remaining-in-labor-and-probability-of-vaginal-delivery-as-a-function-of-the-angle-of-progression-in-a-low-risk-population-with-a-normal-first-stage-of-labor-in-house-observational-study-and-comparison-with-the-data-in-the-literature
#17
Bianca Masturzo, Annalisa Piazzese, Sara Paracchini, Maria S Quezada, Tullia Todros, Antonio Farina
OBJECTIVE: The aim of the study was to investigate whether the angle of progression (AoP), as measured by transperineal ultrasound, was predictive of both the time remaining in labor and vaginal delivery. STUDY DESIGN: This was a prospective observational cohort study involving 270 low-risk women with singleton pregnancies at term. The AoP, measured at the end of the first stage of labor, was used as a predictive variable of time remaining in labor and mode of delivery...
June 7, 2017: Minerva Ginecologica
https://www.readbyqxmd.com/read/28589700/highly-anisotropic-sb2-se3-nanosheets-gentle-exfoliation-from-the-bulk-precursors-possessing-1d-crystal-structure
#18
Huaibing Song, Tiaoyang Li, Jia Zhang, Ying Zhou, Jiajun Luo, Chao Chen, Bo Yang, Cong Ge, Yanqing Wu, Jiang Tang
2D materials, particularly those bearing in-plane anisotropic optical and electrical properties such as black phosphorus and ReS2 , have spurred great research interest very recently as promising building blocks for future electronics. However, current progress is limited to layered compounds that feature atomic arrangement asymmetry within the covalently bonded planes. Herein, a series of highly anisotropic nanosheets (Sb2 Se3 , Sb2 S3 , Bi2 S3 , and Sb2 (S, Se)3 ), which are composed of 1D covalently linked ribbons stacked together via van der Waals force, is introduced as a new member to the anisotropic 2D material family...
June 7, 2017: Advanced Materials
https://www.readbyqxmd.com/read/28586624/does-participation-in-sports-affect-osteoarthritic-progression-after-periacetabular-osteotomy
#19
Daisuke Hara, Satoshi Hamai, Jun-Ichi Fukushi, Ken-Ichi Kawaguchi, Goro Motomura, Satoshi Ikemura, Keisuke Komiyama, Yasuharu Nakashima
BACKGROUND: Periacetabular osteotomy (PAO) is an effective treatment for symptomatic acetabular dysplasia. However, whether postoperative participation in sports leads to progression of the Kellgren-Lawrence (KL) grade of osteoarthritis (OA) in these patients is unclear. PURPOSE: To investigate (1) participation in sports before and after PAO and (2) whether postoperative participation in sports leads to progression of the KL grade. STUDY DESIGN: Case-control study; Level of evidence, 3...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28586458/disease-stabilization-of-dyt1-positive-primary-generalized-dystonia-with-deep-brain-stimulation-of-the-globus-pallidus-interna-a-15-yr-follow-up
#20
Derrick A Dupre, Raj Nangunoori, Sravanthi Koduri, Cindy Angle, Diane Cantella, Donald Whiting
BACKGROUND AND IMPORTANCE: Primary generalized dystonia (PGD) is a genetic form of dystonia that frequently displays pharmacological resistance and progresses quickly after onset. Deep brain stimulation (DBS) has been used successfully to treat refractory dystonia, specifically globus pallidus interna (GPi) DBS for DYT1-positive PGD patients. Long-term follow-up of the safety and efficacy falls short of the longevity seen in other diseases treated with DBS. CASE PRESENTATION: A male patient presented for neurosurgical evaluation with scapular winging, hand contractures, and violent truncal spasms, which forced him to be bedridden...
June 6, 2017: Operative Neurosurgery (Hagerstown, Md.)
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