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https://www.readbyqxmd.com/read/28623470/reconstruction-of-aaos-type-iii-and-iv-acetabular-defects-with-the-ganz-reinforcement-ring-high-failure-in-pelvic-discontinuity
#1
Cynthia Hourscht, Mohammad K Abdelnasser, Sufian S Ahmad, Lukas Kraler, Marius J Keel, Klaus A Siebenrock, Frank M Klenke
BACKGROUND: Large acetabular defects and pelvic discontinuity represent complex problems in revision total hip arthroplasty. This study aimed to investigate whether reconstruction with the Ganz reinforcement ring would provide durable function in large acetabular defects. PATIENTS AND METHODS: 46 hips (45 patients, 19 male, 26 female, mean age 68 years) with AAOS type III and IV defects undergoing acetabular revision with the Ganz reinforcement ring were evaluated at a mean follow-up of 74 months (24-161 months)...
June 16, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/28617721/analysis-of-a-physician-led-team-based-care-model-for-the-treatment-of-glaucoma
#2
Nelson S Winkler, Gena M Damento, Sunil S Khanna, David O Hodge, Cheryl L Khanna
PURPOSE: To determine the effect of a protocol for a new physician-led, team-based glaucoma care model implemented in 2008 at Mayo Clinic's campus in Rochester, Minnesota (MCR), to increase conformance with the American Academy of Ophthalmology (AAO) Preferred Practice Pattern guidelines for treatment of primary open-angle glaucoma. METHODS: Records of 591 patients with newly diagnosed glaucoma were assessed retrospectively for the completion of 9 AAO Preferred Practice Pattern recommended metrics including measured corneal thickness, intraocular pressure (IOP), cup to disk ratio, visual acuity, recorded IOP target, gonioscopy, fundus photos, ocular coherence tomography, and visual field in the 3 years before and 3 years after protocol implementation...
June 14, 2017: Journal of Glaucoma
https://www.readbyqxmd.com/read/28606840/open-reduction-in-pilon-variant-posterior-malleolar-fractures-radiological-and-clinical-evaluation
#3
Erhan Sukur, Yunus Emre Akman, Huseyin Bahadır Gokcen, Esra Circi Ozyurek, Ahmet Senel, Yusuf Ozturkmen
BACKGROUND: Pilon variant posterior malleolar (PVPM) fractures significantly disrupt joint congruency and cause tibiotalar instability. They are often underestimated and inadequately treated. PURPOSE: This study assessed the outcomes of surgical treatment of this subtype of malleolar fracture, and examined the importance of computed tomography (CT) in diagnosis and surgical treatment. MATERIAL AND METHODS: CT images and radiographs of 67 patients with trimalleolar ankle fractures were retrospectively analyzed...
June 9, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28590386/can-we-agree-on-expectations-and-assessments-of-graduating-residents-2016-aoa-critical-issues-symposium
#4
Markuu Nousiainen, Ian Incoll, Terrance Peabody, J Lawrence Marsh
Orthopaedic educators are responsible for training a prepared and competent workforce that will provide effective care for a growing number of patients with musculoskeletal conditions. Currently, there are both internal and external forces that pose substantial challenges to medical students, residents, program directors, faculty members, and chairs in achieving this goal. One area of particular concern is the education of surgeons, whose knowledge and professional behavior must be matched by their ability to acquire procedural skills...
June 7, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28588241/tunable-magneto-optical-kerr-effects-of-nanoporous-thin-films
#5
Weiwei Zhang, Jianjun Li, Xiaokun Ding, Philippe Pernod, Nicolas Tiercelin, Yujun Song
Magnetoplasmonics, combining magnetic and plasmonic functions, has attracted increasing attention owing to its unique magnetic and optical properties in various nano-architectures. In this work, Ag, CoFeB and ITO layers are fabricated on anodic aluminum oxide (AAO) porous films to form hybrid multi-layered nanoporous thin films by magnetron sputtering deposition process. The designed nanostructure supports localized surface plasmon resonance (LSPR) and tunable magneto-optical (MO) activity, namely, the sign inversion, which can be controlled by AAO porous film geometry (pore diameter and inter-pore spacing) flexibly...
June 6, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28582337/aaos-appropriate-use-criteria-management-of-patients-with-orthopaedic-implants-undergoing-dental-procedures
#6
Harold W Rees
No abstract text is available yet for this article.
June 2, 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/28576045/fabrication-of-high-capacity-polyelectrolyte-brush-grafted-porous-aao-silica-composite-membrane-via-raft-polymerization
#7
Cunfeng Song, Meijie Wang, Xin Liu, He Wang, Xiaoling Chen, Lizong Dai
Surface-initiated reversible addition-fragmentation chain transfer (RAFT) polymerization has been utilized to fabricate high-capacity strong anion-exchange (AEX) membrane for the separation of protein. By means of RAFT polymerization, quaternized poly(3-(methacrylamidomethyl)-pyridine) brushes formed 3-dimensional nanolayers on the surface of porous anodic aluminum oxide (AAO)-silica composite membrane. The surface properties of the membranes were analyzed by SEM, water contact angle, ATR-FTIR, XPS and TGA...
September 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28571378/molecular-weight-dependence-of-the-intrinsic-size-effect-on-tg-in-aao-template-supported-polymer-nanorods-a-dsc-study
#8
Shadid Askar, Tong Wei, Anthony W Tan, John M Torkelson
Many studies have established a major effect of nanoscale confinement on the glass transition temperature (Tg) of polystyrene (PS), most commonly in thin films with one or two free surfaces. Here, we characterize smaller yet significant intrinsic size effects (in the absence of free surfaces or significant attractive polymer-substrate interactions) on the Tg and fragility of PS. Melt infiltration of various molecular weights (MWs) of PS into anodic aluminum oxide (AAO) templates is used to create nanorods supported on AAO with rod diameter (d) ranging from 24 to 210 nm...
May 28, 2017: Journal of Chemical Physics
https://www.readbyqxmd.com/read/28558189/blending-homopolymers-for-controlling-the-morphology-transitions-of-block-copolymer-nanorods-confined-in-cylindrical-nanopores
#9
Ming-Hsiang Cheng, Yu-Chen Hsu, Chun-Wei Chang, Hao-Wen Ko, Pei-Yun Chung, Jiun-Tai Chen
The microphase separation of block copolymers in confined geometries has been widely investigated over the last few decades. The controllability and versatility of the confinement-induced morphologies, however, are still difficult to be achieved because of the limited experimental parameters in the process of fabricating the confined nanostructures. In this work, we study the morphology transitions of lamellae-forming polystyrene-block-polydimethylsiloxane (PS-b-PDMS) nanorods confined in the nanopores of anodic aluminum oxide (AAO) templates...
June 21, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28535139/otitis-media-with-effusion-our-national-practice
#10
Rachel E Roditi, Richard M Rosenfeld, Jennifer J Shin
Otitis media with effusion (OME) is the focus of an updated multidisciplinary clinical practice guideline published by the American Academy of Otolaryngology-Head and Neck Surgery Foundation (AAO-HNSF) and the American Academy of Pediatrics (AAP). Based on data from clinical trials, the guideline recommends against using antihistamines, antibiotics, oral steroids, and intranasal steroids for OME. To understand practice patterns related to these guidelines, we assessed nationally representative data. Despite controlling for age, sex, race/ethnicity, and other potential confounders individualized for each medication class, an increased risk of antihistamine (odds ratio [OR], 3...
April 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28514128/-treatment-for-osteoarthritis-of-the-knee
#11
REVIEW
Uriel Giwnewer, Guy Rubin, Hagay Orbach, Nimrod Rozen
Osteoarthritis is the most common joint disorder in the world and its incidence is rising. In Western populations it is one of the most frequent causes of pain, loss of function and disability in adults. The estimated lifetime risk for knee osteoarthritis is approximately 40% in men and 47% in women. The diagnosis of osteoarthritis is complex due to a lack of specific physical and/or laboratorial findings. The American College of Rheumatology (ACR) has recommended using the following criteria for the diagnosis of knee osteoarthritis: chronic knee pain (lasting for more than 6 weeks) and at least three of the following: • Age over 50 years old...
July 2016: Harefuah
https://www.readbyqxmd.com/read/28513480/highly-sensitive-and-scalable-aao-based-nano-fibre-sers-substrate-for-sensing-application
#12
L K Lim, B K Ng, C Y Fu, Landobasa Y M Tobing, D H Zhang
Well-ordered periodic nanostructures are excellent substrates for many surface-enhanced Raman spectroscopy (SERS) applications. Conventional fabrication approaches such as high precision electron beam lithography or focused ion beam produce high resolution nano-features with great reproducibility at the expense of low throughput. In this work, a highly sensitive and scalable AAO-nano-fibre (ANF) SERS substrate is demonstrated by optimising the second anodisation time of the standard two-step anodisation of aluminium and performing an additional wet etching step on the resulting AAO substrate...
May 17, 2017: Nanotechnology
https://www.readbyqxmd.com/read/28513429/five-year-publication-rate-of-podium-presentations-at-sicot-annual-conference-an-observational-study-and-new-objective-proposal-of-conference-power
#13
Khalid Al-Hourani, Rami Al-Aref, Robert Ley-Greaves, Fatima Ballout, Addisu Mesfin
INTRODUCTION: The SICOT Conference Committee continually tries to improve the quality of presentations at their annual international meetings. However to the author's best knowledge, no previous study has been undertaken to determine abstract quality. This study aimed to determine the five-year publication rate of presentations made at the 2009 SICOT Annual International Conference (AIC), recognise predictors of full-text publication, identify inconsistencies between presentations and publications, and determine presentation-publication delay...
2017: SICOT-J
https://www.readbyqxmd.com/read/28509821/minimum-information-for-studies-evaluating-biologics-in-orthopaedics-mibo-platelet-rich-plasma-and-mesenchymal-stem-cells
#14
Iain R Murray, Andrew G Geeslin, Ewan B Goudie, Frank A Petrigliano, Robert F LaPrade
BACKGROUND: A comprehensive approach to the evaluation of biologic therapies for musculoskeletal conditions is required to guide appropriate future use. Clinical studies evaluating platelet-rich plasma (PRP) and mesenchymal stem cells (MSCs) are limited by inadequate reporting of scientific details critical to outcome. We developed minimum reporting requirements for clinical studies evaluating PRP and MSCs using Delphi consensus methods. METHODS: The need for consensus on the minimum reporting requirements for studies evaluating biologics was identified at the American Academy of Orthopaedic Surgeons/Orthopaedic Research Society (AAOS/ORS) Biologic Treatments for Orthopaedic Injuries Symposium in 2015 and the American Orthopaedic Society for Sports Medicine (AOSSM) Biologic Treatments for Sports Injuries II Think Tank in 2015...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28508715/data-and-reporting-quality-in-tympanoplasty-and-ossiculoplasty-studies
#15
Susen Lailach, Thomas Zahnert, Marcus Neudert
Objective The objective of our study was to check the documentation of hearing outcome parameters and influencing factors (surgical, pathological, and methodological) in published literature evaluating hearing outcome after tympanoplasty. We aimed to assess how effectively the American Academy of Otolaryngology-Head and Neck Surgery (AAO-HNS) 1995 guidelines were applied. Study Design Retrospective noncontrolled study. Setting Ear research center. Subjects and Methods This study was based on a PubMed research, including peer-reviewed English-speaking original studies published from January 2005 to December 2015...
May 1, 2017: Otolaryngology—Head and Neck Surgery
https://www.readbyqxmd.com/read/28497541/the-impact-of-body-weight-on-the-diagnosis-of-aortic-dilation-misdiagnosis-in-overweight-and-underweight-groups
#16
Katherine T Braley, Xinyu Tang, Elizabeth S Makil, Desiree Borroughs-Ray, Ronnie T Collins
BACKGROUND: Body surface area (BSA)-indexed Z-scores are used to assess the ascending aorta (AAo) and diagnose aortic dilation (AoD) in children. BSA is directly related to body weight and corresponds to body mass index (BMI). We hypothesized extremes in BMI alter interpretation of aortic size in pediatric patients with AoD. METHODS: We reviewed all echocardiograms with a diagnosis of AoD performed at our institution from January 2013 through June 2013. Those with an age <2 or >20 years, history of aortic root surgery, or inadequate images were excluded...
May 12, 2017: Echocardiography
https://www.readbyqxmd.com/read/28494572/sers-detection-of-biomolecules-by-highly-sensitive-and-reproducible-raman-enhancing-nanoparticle-array
#17
Tzu-Yi Chan, Ting-Yu Liu, Kuan-Syun Wang, Kun-Tong Tsai, Zhi-Xin Chen, Yu-Chi Chang, Yi-Qun Tseng, Chih-Hao Wang, Juen-Kai Wang, Yuh-Lin Wang
This paper describes the preparation of nanoarrays composed of silver nanoparticles (AgNPs: 20-50 nm) for use as surface-enhanced Raman scattering (SERS) substrates. The AgNPs were grown on porous anodic aluminum oxide (AAO) templates by electrochemical plating, and the inter-channel gap of AAO channels is between 10 and 20 nm. The size and interparticle gap of silver particles were adjusted in order to achieve optimal SERS signals and characterized by scanning electron microscopy, atomic force microscopy, and Raman spectroscopy...
December 2017: Nanoscale Research Letters
https://www.readbyqxmd.com/read/28485443/nanocylindrical-confinement-imparts-highest-structural-order-in-molecular-self-assembly-of-organophosphonates-on-aluminum-oxide
#18
Anshuma Pathak, Achyut Bora, Björn Braunschweig, Christian Meltzer, Hongdan Yan, Peter Lemmens, Winfried Daum, Jeffrey Schwartz, Marc Tornow
We report the impact of geometrical constraint on intramolecular interactions in self-assembled monolayers (SAMs) of alkylphosphonates grown on anodically oxidized aluminum (AAO). Molecular order in these films was determined by sum frequency generation (SFG) spectroscopy, a more sensitive measure of order than infrared absorption spectroscopy. Using SFG we show that films grown on AAO are, within detection limits, nearly perfectly ordered in an all-trans alkyl chain configuration. In marked contrast, films formed on planar, plasma-oxidized aluminum oxide or α-Al2O3 (0001) are replete with gauche defects...
May 18, 2017: Nanoscale
https://www.readbyqxmd.com/read/28480486/clinical-correlates-of-age-at-onset-distribution-in-bipolar-disorder-a-comparison-between-diagnostic-subgroups
#19
Mirko Manchia, Giuseppe Maina, Bernardo Carpiniello, Federica Pinna, Luca Steardo, Virginia D'Ambrosio, Virginio Salvi, Martin Alda, Alfonso Tortorella, Umberto Albert
BACKGROUND: Admixture analysis of age at onset (AAO) has helped delineating the clinical profile of early onset (EO) bipolar disorder (BD). However, there is scarce evidence comparing the distributional properties of AAO as well as the clinical features of EO BD type 1 (BD1) with EO BD type 2 (BD2). To this end, we studied 515 BD patients (224 BD1, 279 BD2, and 12 BD not otherwise specified [NOS]) diagnosed according to DSM-IV-TR criteria. METHODS: AAO was defined as the first reliably diagnosed hypo/manic or depressive episode according to diagnostic criteria...
December 2017: International Journal of Bipolar Disorders
https://www.readbyqxmd.com/read/28473961/variability-in-conflict-of-interest-disclosures-by-physicians-presenting-trauma-research
#20
Kevin Wong, Paul H Yi, Rohith Mohan, Kevin J Choo
AIM: To quantify the variability of financial disclosures by authors presenting orthopaedic trauma research. METHODS: Self-reported authorship disclosure information published for the 2012 American Academy of Orthopaedic Surgeons (AAOS) and Orthopaedic Trauma Association (OTA) meetings was compiled from meeting programs. Both the AAOS and OTA required global disclosures for participants. Data collected included: (1) total number of presenters; (2) number of presenters with financial disclosures; (3) number of disclosures per author; (4) total number of companies supporting each author; and (5) specific type of disclosure...
April 18, 2017: World Journal of Orthopedics
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