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https://www.readbyqxmd.com/read/28815357/carbon-fiber-reinforced-peek-fixation-system-in-the-treatment-of-spine-tumors-a-preliminary-report
#1
Stefano Boriani, Giuseppe Tedesco, Lu Ming, Riccardo Ghermandi, Maurizio Amichetti, Piero Fossati, Marco Krengli, Loredana Mavilla, Alessandro Gasbarrini
BACKGROUND: Protocols including combination of surgery and radiotherapy are more and more frequent in the treatment of bone tumors of the spine. In metastatic disease, combination of surgery and radiotherapy is since long time accepted, as based on clinical evidence. In primary tumors, combination of surgery and radiotherapy can be considered in all the cases in which a satisfactory oncological margin cannot be achieved: high-grade malignancies, recurrent tumors, huge tumors expanding in an extracompartimental area, and when tumor-free margin requires unacceptable functional sacrifices...
August 16, 2017: European Spine Journal
https://www.readbyqxmd.com/read/28815162/clinical-application-of-ceramics-in-anterior-cervical-discectomy-and-fusion-a-review-and-update
#2
REVIEW
Shayan Abdollah Zadegan, Aidin Abedi, Seyed Behnam Jazayeri, Hirbod Nasiri Bonaki, Alexander R Vaccaro, Vafa Rahimi-Movaghar
STUDY DESIGN: Narrative review. OBJECTIVES: Anterior cervical discectomy and fusion (ACDF) is a reliable procedure, commonly used for cervical degenerative disc disease. For interbody fusions, autograft was the gold standard for decades; however, limited availability and donor site morbidities have led to a constant search for new materials. Clinically, it has been shown that calcium phosphate ceramics, including hydroxyapatite (HA) and tricalcium phosphate (TCP), are effective as osteoconductive materials and bone grafts...
June 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28811984/acdf-graft-selection-by-surgeons-survey-of-aospine-members
#3
S Tim Yoon, Jeffrey A Konopka, Jeffrey C Wang, Jim A Youssef, Hans Joerg Meisel, Darrel S Brodke, Jong-Beom Park
STUDY DESIGN: Cross-sectional survey study. OBJECTIVE: To determine what are the most commonly used graft materials in anterior cervical discectomy and fusion and whether the choice of graft is affected by surgeon's training, years in practice, geographic location, practice setting, or surgeon's perceived difficulty in achieving fusion. METHODS: A 23-question survey was sent out to 5334 surgeons using the Global AO Spine database. Response data was then stratified into surgeon training, years of practice, practice type, and global region...
August 2017: Global Spine Journal
https://www.readbyqxmd.com/read/28798085/the-association-of-falling-insulin-requirements-with-maternal-biomarkers-and-placental-dysfunction-a-prospective-study-of-women-with-pre-existing-diabetes-in-pregnancy
#4
Suja Padmanabhan, Vincent W Lee, Mark Mclean, Neil Athayde, Valeria Lanzarone, Qemer Khoshnow, Michael J Peek, N Wah Cheung
OBJECTIVE: To investigate the association of falling insulin requirements (FIR) among women with pre-existing diabetes with adverse obstetric outcomes and maternal biomarkers longitudinally in pregnancy. RESEARCH DESIGN AND METHODS: A multicenter prospective cohort study of 158 women (41 with type 1 diabetes and 117 with type 2 diabetes) was conducted. Women with FIR of ≥15% from the peak total daily dose after 20 weeks gestation were considered case subjects (n = 32)...
August 10, 2017: Diabetes Care
https://www.readbyqxmd.com/read/28795073/biomechanical-comparison-of-a-first-and-a-second-generation-all-soft-suture-glenoid-anchor
#5
John Erickson, Frank Chiarappa, Jonathan Haskel, Justin Rice, Adam Hyatt, James Monica, Aman Dhawan
BACKGROUND: All-soft tissue suture anchors provide advantages of decreased removal of bone and decreased glenoid volume occupied compared with traditional tap or screw-in suture anchors. Previous published data have led to biomechanical concerns with the use of first-generation all-soft suture anchors. PURPOSE/HYPOTHESIS: The purpose of this study was to evaluate the load to 2-mm displacement and ultimate load to failure of a second-generation all-soft suture anchor, compared with a first-generation anchor and a traditional PEEK (polyether ether ketone) anchor...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28793835/culturally-tailoring-a-patient-empowerment-and-diabetes-education-curriculum-for-the-african-american-church
#6
Eric Whitney, Elijah Kindred, Abdullah Pratt, Yolanda O'Neal, Rev Chauncey P Harrison, Monica E Peek
Purpose The African American church has long been recognized as a valuable partner for health interventions in the community. While an extensive literature exists documenting the potential efficacy of diabetes education programs in church settings, there has yet to be an effort to leverage spiritual beliefs and practices to promote diabetes self-management and shared decision making within a faith-based framework that is culturally tailored to the African American church. The purpose of this article is to describe the translation of a clinic-based diabetes education program into faith-based education curriculum tailored for use in the African American church...
August 1, 2017: Diabetes Educator
https://www.readbyqxmd.com/read/28792437/load-deflection-and-friction-properties-of-peek-wires-as-alternative-orthodontic-wires
#7
Yoshifumi Tada, Tohru Hayakawa, Yoshiki Nakamura
Polyetheretherketone (PEEK) is now attracting attention as an alternative to metal alloys in the dental field. In the present study, we evaluated the load-deflection characteristics of PEEK wires in addition to their frictional properties. Three types of PEEK wires are used: two sizes of rectangular shape, 0.016 × 0.022 in² and 0.019 × 0.025 in² (19-25PEEK), and rounded shape, diameter 0.016 in (16PEEK). As a control, Ni-Ti orthodontic wire, diameter 0.016 in, was used. The three-point bending properties were evaluated in a modified three-point bending system for orthodontics...
August 9, 2017: Materials
https://www.readbyqxmd.com/read/28783302/monolayer-growth-front-of-precious-metals-through-insulating-mesoporous-membranes
#8
Nicholas Linck, Alex Peek, Bruce J Hinds
Monolayers of precious metals are deposited within the pores of insulating mesoporous anodized aluminum oxide (AAO) membranes via a new electrochemical underpotential Cu deposition growth front mechanism, followed by spontaneous galvanic replacement of copper by platinum or iridium as demonstrated by XPS, ICP-OES, conductivity, and current analysis. Applications include fuel cells, hydrogen storage, flow batteries, and electrocatalytic conversions.
August 7, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28774058/characterization-and-bioactivity-evaluation-of-polyetheretherketone-polyglycolicacid-hydroyapatite-scaffolds-for-tissue-regeneration
#9
Cijun Shuai, Chenying Shuai, Ping Wu, Fulai Yuan, Pei Feng, Youwen Yang, Wang Guo, Xiaohan Fan, Ting Su, Shuping Peng, Chengde Gao
Bioactivity and biocompatibility are crucial for tissue engineering scaffolds. In this study, hydroxyapatite (HAP) was incorporated into polyetheretherketone/polyglycolicacid (PEEK/PGA) hybrid to improve its biological properties, and the composite scaffolds were developed via selective laser sintering (SLS). The effects of HAP on physical and chemical properties of the composite scaffolds were investigated. The results demonstrated that HAP particles were distributed evenly in PEEK/PGA matrix when its content was no more than 10 wt %...
November 18, 2016: Materials
https://www.readbyqxmd.com/read/28774027/suitability-of-secondary-peek-telescopic-crowns-on-zirconia-primary-crowns-the-influence-of-fabrication-method-and-taper
#10
Susanne Merk, Christina Wagner, Veronika Stock, Marlis Eichberger, Patrick R Schmidlin, Malgorzata Roos, Bogna Stawarczyk
This study investigates the retention load (RL) between ZrO₂ primary crowns and secondary polyetheretherketone (PEEK) crowns made by different fabrication methods with three different tapers. Standardized primary ZrO₂ crowns were fabricated with three different tapers: 0°, 1°, and 2° (n = 10/group). Ten secondary crowns were fabricated (i) milled from breCam BioHPP blanks (PM); (ii) pressed from industrially fabricated PEEK pellets (PP) (BioHPP Pellet); or (iii) pressed from granular PEEK (PG) (BioHPP Granulat)...
November 8, 2016: Materials
https://www.readbyqxmd.com/read/28772688/the-wear-behavior-of-textured-steel-sliding-against-polymers
#11
Meiling Wang, Changtao Zhang, Xiaolei Wang
Artificially fabricated surface textures can significantly improve the friction and wear resistance of a tribological contact. Recently, this surface texturing technique has been applied to polymer materials to improve their tribological performance. However, the wear behavior of textured tribo-pairs made of steel and polymer materials has been less thoroughly investigated and is not well understood; thus, it needs further research. The aim of this study is to investigate the wear properties of tribological contacts made of textured stainless steel against polymer surfaces...
March 23, 2017: Materials
https://www.readbyqxmd.com/read/28772427/bonding-to-different-peek-compositions-the-impact-of-dental-light-curing-units
#12
Nina Lümkemann, Marlis Eichberger, Bogna Stawarczyk
This study investigated the impact of different light curing units (LCUs) for the polymerization of adhesive system visio.link (VL) on the tensile bond strength (TBS) of different PEEK compositions. For TBS measurements, 216 PEEK specimens with varying amounts of TiO₂ (PEEK/0%, PEEK/20%, PEEK/>30%) were embedded, polished, air abraded (Al₂O₃, 50 µm, 0.4 MPa), conditioned using VL, and polymerized using either a halogen LCU (HAL-LCU) or a LED LCU (LED-LCU) for chairside or labside application, respectively...
January 14, 2017: Materials
https://www.readbyqxmd.com/read/28767493/transgender-and-gender-nonconforming-patient-experiences-at-a-family-medicine-clinic
#13
Amanda Hinrichs, Carrie Link, Lea Seaquist, Peek Ehlinger, Stephanie Aldrin, Rebekah Pratt
PURPOSE: Transgender and gender nonconforming (TGNC) patients have a wide array of often negative experiences when accessing health care, and may encounter insensitive or subcompetent care; thus, the authors conducted a qualitative study with patients at one family medicine residency clinic to assess how primary care clinics can improve care for TGNC patients. METHOD: In 2015, the authors held three separate focus groups at Smiley's Family Medicine Clinic in Minneapolis, Minnesota...
August 1, 2017: Academic Medicine: Journal of the Association of American Medical Colleges
https://www.readbyqxmd.com/read/28761219/hypertension-control-in-the-university-of-chicago-primary-care-group
#14
Kathryn E Gunter, George W Weyer, Lisa M Vinci, Marshall H Chin, Monica E Peek
In Brief "Quality Improvement Success Stories" are published by the American Diabetes Association in collaboration with the American College of Physicians, Inc., and the National Diabetes Education Program. This series is intended to highlight best practices and strategies from programs and clinics that have successfully improved the quality of care for people with diabetes or related conditions. Each article in the series is reviewed and follows a standard format developed by the editors of Clinical Diabetes...
July 2017: Clinical Diabetes: a Publication of the American Diabetes Association
https://www.readbyqxmd.com/read/28759978/a-novel-plif-peek-interbody-cage-with-an-impactionless-insertion-technology-a-case-series-with-a-mid-term-follow-up-of-three-years
#15
Charlotte Struwe, Pia C Hermann, Rahel Bornemann, Milena Plöger, Philip P Roessler, Andreas C Strauss, Yorck Rommelspacher, Ernst M W Koch, Robert Pflugmacher
BACKGROUND: Spinal fusion surgery has become one of the most common spinal procedures during the recent years. Searching for an optimum structural stability of the vertebral interspace, surgical implants which can be inserted via a posterior lumbar interbody fusion (PLIF) approach have been enhanced recently. OBJECTIVE: Evaluation of safety and efficacy of a novel PLIF polyetheretherketone (PEEK) interbody cage (TWIST) with an impactionless insertion technique. METHODS: Surgical outcome in 15 patients treated with the new system were observed preoperatively, one and three years after surgery using the Oswestry Disability Index (ODI), a Visual Analogue Scale (VAS) for pain and radiological outcome analysis of fusion success...
July 21, 2017: Technology and Health Care: Official Journal of the European Society for Engineering and Medicine
https://www.readbyqxmd.com/read/28758942/child-supervision-and-burn-outcome-among-admitted-patients-at-major-trauma-hospitals-in-the-gambia
#16
Edrisa Sanyang, Corinne Peek-Asa, Tracy Young, Laurence Fuortes
Burn-related injuries are a significant burden in children, particularly in low- and middle-income countries (LMICs), where more than 90% of burn-related pediatric deaths occur. Lack of adult supervision of children is a major risk for pediatric burn injuries. The goal of this paper was to examine the general characteristics of burns and identify burn injury outcomes among adult-supervised children compared to those who were not supervised. The study examined burn injury and clinical characteristics among all burn patients admitted to two trauma hospitals in The Gambia, West Africa...
July 30, 2017: International Journal of Environmental Research and Public Health
https://www.readbyqxmd.com/read/28752389/a-comparative-analysis-of-child-passenger-restraint-use-in-china-and-the-united-states
#17
Jing-Zhen Yang, Li-Ping Li, Hong-Qian Wu, Daniel McGehee, Corinne Peek-Asa
BACKGROUND: Few published studies have examined child passenger safety practices across countries. This study compared the prevalence and associated factors of child passenger restraint use among children, aged 0 to 17 in the state of Iowa in the United States, and the city of Shantou in China. METHODS: Child restraint use observations were conducted in Iowa and in Shantou in 2012, respectively, among child passengers. Observations in Iowa were conducted at randomly selected gas stations, while in Shantou observations were completed at randomly selected schools or medical clinics...
July 27, 2017: World Journal of Pediatrics: WJP
https://www.readbyqxmd.com/read/28751242/evaluation-of-a-peek-titanium-composite-interbody-spacer-in-an-ovine-lumbar-interbody-fusion-model-a-biomechanical-micro-computed-tomography-and-histologic-analyses
#18
Kirk C McGilvray, Erik I Waldorff, Jeremiah Easley, Howard B Seim, Nianli Zhang, Raymond J Linovitz, James T Ryaby, Christian M Puttlitz
BACKGROUND CONTEXT: The most commonly used materials used for interbody cages are titanium metal and polymer polyetheretherketone (PEEK). Both of these materials have demonstrated good biocompatibility. A major disadvantage associated with solid titanium cages is their radiopacity, limiting post-operative monitoring of spinal fusion via standard imaging modalities. However, PEEK is radiolucent, allowing for temporal assessment of the fusion mass by clinicians. On the other hand, PEEK is hydrophobic, which can limit bony in-growth...
July 24, 2017: Spine Journal: Official Journal of the North American Spine Society
https://www.readbyqxmd.com/read/28744087/a-peek-into-the-future-of-radiology-using-big-data-applications
#19
Amit T Kharat, Shubham Singhal
Big data is extremely large amount of data which is available in the radiology department. Big data is identified by four Vs - Volume, Velocity, Variety, and Veracity. By applying different algorithmic tools and converting raw data to transformed data in such large datasets, there is a possibility of understanding and using radiology data for gaining new knowledge and insights. Big data analytics consists of 6Cs - Connection, Cloud, Cyber, Content, Community, and Customization. The global technological prowess and per-capita capacity to save digital information has roughly doubled every 40 months since the 1980's...
April 2017: Indian Journal of Radiology & Imaging
https://www.readbyqxmd.com/read/28743234/a-cross-sectional-sero-survey-on-preoperative-hbv-vaccination-policy-in-poland
#20
Maria Ganczak, Marcin Korzen, Alina Jurewicz, Zbigniew Szych
BACKGROUND: A two-dose preoperative vaccination schedule against HBV has been the widely accepted policy in Poland. However, its effectiveness has not yet been assessed. OBJECTIVE: To evaluate a two-dose preoperative HBV vaccination policy by an assessment of the proportion of patients who don't present a protective level of anti-HBs (<10.0 mIU/ml). METHODS: Consecutive patients from surgical/gynecologic wards of 12 randomly selected hospitals in West Pomerania, Poland, hospitalized between 2010 and 2013, vaccinated against HBV with a two-dose regimen, were asked to complete an anonymous questionnaire...
July 25, 2017: BMC Infectious Diseases
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