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https://www.readbyqxmd.com/read/28231351/evaluation-of-hemodynamics-in-a-prestressed-and-compliant-tapered-femoral-artery-using-an-optimization-based-inverse-algorithm
#1
Rupak K Banerjee, Gavin A D'Souza, Anup K Paul, Ashish Das
The important factors that affect the arterial wall compliance are the tissue properties of the arterial wall, the in vivo pulsatile pressure, and the prestressed condition of the artery. It is necessary to obtain the load-free geometry for determining the physiological level of prestress in the arterial wall. The previously developed optimization-based inverse algorithm was improved to obtain the load-free geometry and the wall prestress of an idealized tapered femoral artery of a dog under varying arterial wall properties...
April 1, 2017: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/28230252/randomized-double-blind-placebo-controlled-phase-2-study-of-ganaxolone-as-add-on-therapy-in-adults-with-uncontrolled-partial-onset-seizures
#2
Michael R Sperling, Pavel Klein, Julia Tsai
OBJECTIVE: To evaluate the efficacy and safety of ganaxolone as adjunctive therapy in adults with uncontrolled partial-onset seizures despite taking up to three concomitant antiepileptic drugs (AEDs). METHODS: Adults aged 18-69 years and refractory to conventional AEDs were enrolled in a multicenter, double-blind, placebo-controlled trial. After an 8-week baseline period, patients were randomized 2:1 to ganaxolone 1,500 mg/day or placebo for a 10-week treatment period (2-week forced titration and 8-week maintenance) followed by either tapering or entry into an open-label extension study...
February 23, 2017: Epilepsia
https://www.readbyqxmd.com/read/28229433/adalimumab-a-review-in-non-infectious-non-anterior-uveitis
#3
Sheridan M Hoy
Adalimumab (Humira(®)) is a tumour necrosis factor (TNF)-α inhibitor available in various countries worldwide, including the USA, Japan and those of the EU, for the treatment of non-infectious intermediate, posterior and panuveitis in adults. It is the first biological agent approved for this indication. In two multinational, phase III studies in adults with active and inactive disease, subcutaneous adalimumab significantly reduced the risk of treatment failure relative to placebo following the tapered withdrawal of corticosteroid therapy...
February 22, 2017: BioDrugs: Clinical Immunotherapeutics, Biopharmaceuticals and Gene Therapy
https://www.readbyqxmd.com/read/28228786/hydroxyapatite-in-total-hip-arthroplasty-our-experience-with-a-plasma-spray-porous-titanium-alloy-hydroxyapatite-double-coated-cementless-stem
#4
Iacopo Castellini, Lorenzo Andreani, Paolo Domenico Parchi, Enrico Bonicoli, Nicola Piolanti, Francesca Risoli, Michele Lisanti
PURPOSE: Total hip arthroplasty could fail due to many factors and one of the most common is the aseptic loosening. In order to achieve an effective osseointegration and reduce risk of lossening, the use of cemented implant, contact porous bearing surface and organic coating were developed. Aim of this study was to evaluate clinical and radiological mid-term outcomes of a porous titanium alloy/hydroxyapatite double coating manufactured cementless femoral stem applied with "plasma spray" technique and to demonstrate the possibility to use this stem in different types of femoral canals...
September 2016: Clinical Cases in Mineral and Bone Metabolism
https://www.readbyqxmd.com/read/28228628/effects-of-taper-and-space-settings-of-telescopic-ce-tzp-a-crowns-on-retentive-force-and-settling
#5
Shusuke Nakagawa, Katsunori Torii, Masahiro Tanaka
The aim of this study was to investigate the effect of the taper and space setting of using Ce-TZP/A on retentive force and secondary crown settling. The taper were 2°, 4°, and 6°, and the space settings were 0 and 10 μm. The applied loads were 50 and 100 N. The taper had a significant effect on retentive force and settling at both loads (p<0.05). The space settings did not have a significant effect on retentive force or settling at either load (p<0.05). The taper of the telescopic crowns and the load affected the retentive force and the settling...
February 22, 2017: Dental Materials Journal
https://www.readbyqxmd.com/read/28227066/evaluation-of-the-impact-of-arterial-wall-viscosity-in-pressure-morphology-by-means-of-a-simplified-1d-model
#6
F Gabaldon Castillo, L J Cymberknop, M R Alfonso, M Martinez Sartore, R L Armentano, F Gabaldon Castillo, L J Cymberknop, M R Alfonso, M Martinez Sartore, R L Armentano, M R Alfonso, F Gabaldon Castillo, L J Cymberknop, M Martinez Sartore, R L Armentano
INTRODUCTION: The interest on computational simulations of biomedical models has increased in the last years. Nevertheless, the viscous properties of vessel all are usually neglected. MATERIALS AND METHODS: A 1D model of blood flow and its interaction with the arterial wall was implemented. Non-viscous modeling and the addition of a wall-viscosity term were considered. The goodness of fit in each case was evaluated. RESULTS: Simulated radial blood pressure was generated using central blood pressure as the input of the proposed 1D tapered model...
August 2016: Conference Proceedings: Annual International Conference of the IEEE Engineering in Medicine and Biology Society
https://www.readbyqxmd.com/read/28224787/non-radiation-cellular-thermometry-based-on-interfacial-thermally-induced-phase-transformation-in-polymer-coating-of-optical-microfiber
#7
Yunyun Huang, Tuan Guo, Zhuang Tian, Bo Yu, Mingfei Ding, Xiangping Li, BaiOu Guan
A non-radiation based approach based on thermoresponsive polyer coated silica microfibers has been developed. A highly thermoresponsive and bio-compatible pNIPAM was surface functionlized to conjugate to the tapered silica microfiber with waist diameter of 7.5 μm. The interfacial phase transtition of coating triggered by the LCST cause a drastic molecular morphological change in body temperature range of 35-42 oC. This surface morphological change strongly modulates optical path difference between the high order and fundamental mode propagating in the microfiber due to the evanescent-field interaction, and therefore shifts the intermodal interference fringe...
February 22, 2017: ACS Applied Materials & Interfaces
https://www.readbyqxmd.com/read/28224109/timing-method-and-discontinuation-of-hydrocortisone-administration-for-septic-shock-patients
#8
Miguel A Ibarra-Estrada, Quetzalcóatl Chávez-Peña, Claudia I Reynoso-Estrella, Jorge Rios-Zermeño, Pável E Aguilera-González, Miguel A García-Soto, Guadalupe Aguirre-Avalos
AIM: To characterize the prescribing patterns for hydrocortisone for patients with septic shock and perform an exploratory analysis in order to identify the variables associated with better outcomes. METHODS: This prospective cohort study included 59 patients with septic shock who received stress-dose hydrocortisone. It was performed at 2 critical care units in academic hospitals from June 1(st), 2015, to July 31(st), 2016. Demographic data, comorbidities, medical management details, adverse effects related to corticosteroids, and outcomes were collected after the critical care physician indicated initiation of hydrocortisone...
February 4, 2017: World Journal of Critical Care Medicine
https://www.readbyqxmd.com/read/28222212/excellent-mid-term-results-of-a-new-polished-tapered-modular-cemented-stem-a-study-of-113-hip-replacements-with-minimum-5-year-follow-up
#9
Jens Vanbiervliet, Jan F A Somers
BACKGROUND: This prospective cohort study reports the medium-term clinical and radiographic results of 113 hips treated with a hybrid total hip replacement (THR) with a new cemented tapered cobalt-chrome (Co-Cr) stem with a titanium (Ti) modular neck (ProfemurXm®). METHOD: Between October 2008 and December 2010 we performed 115 consecutive hybrid THR with the ProfemurXm® in 105 patients. RESULTS: Survivorship of the implant (stem and modular neck) at a mean of 6...
February 18, 2017: Hip International: the Journal of Clinical and Experimental Research on Hip Pathology and Therapy
https://www.readbyqxmd.com/read/28220474/buprenorphine-for-managing-opioid-withdrawal
#10
REVIEW
Linda Gowing, Robert Ali, Jason M White, Dalitso Mbewe
BACKGROUND: Managed withdrawal is a necessary step prior to drug-free treatment or as the endpoint of substitution treatment. OBJECTIVES: To assess the effects of buprenorphine versus tapered doses of methadone, alpha2-adrenergic agonists, symptomatic medications or placebo, or different buprenorphine regimens for managing opioid withdrawal, in terms of the intensity of the withdrawal syndrome experienced, duration and completion of treatment, and adverse effects...
February 21, 2017: Cochrane Database of Systematic Reviews
https://www.readbyqxmd.com/read/28218957/cyclic-fatigue-resistance-of-a-novel-rotary-file-manufactured-using-controlled-memory-ni-ti-technology-compared-to-a-file-made-from-m-wire-file
#11
E Alshwaimi
AIM: To compare the cyclic fatigue properties of a novel file made using controlled memory NiTi technology with those of files made from M-wire. METHODOLOGY: Twelve files with similar cross-sectional geometry and tip size from each of the following groups were tested: Proflexendo made from CMT (PE; size 30 .04) (Nexden, Houston, Tx, USA), ProFile Vortex made from M-wire (PV; size 30 .04) (Dentsply Tulsa Dental, Tulsa, OK, USA), and ProTaper Universal made from regular alloy (PU; F3) (Dentsply Tulsa Dental)...
February 20, 2017: International Endodontic Journal
https://www.readbyqxmd.com/read/28217653/corticosteroid-and-azithromycin-in-idiopathic-granulomatous-mastitis
#12
Marzieh Salehi, Maryam Salehi, Nader Kalbasi, Atousa Hakamifard, Hassan Salehi, Mohammad Mahdi Salehi, Jalil Sharifian
BACKGROUND: Mastitis is an inflammatory disorder in breast tissues due to bacterial factors, mycobacterial infections or autoimmune diseases. Idiopathic granulomatous mastitis (IGM) is a form of mastitis which may be affected by systematic diseases such as sarcoidosis, and infectious causes such as mycobacterium and fungus. This study evaluates the efficacy of medical therapy with a combination of corticosteroid and Azithromycin in patients with IGM. MATERIALS AND METHODS: This study is a clinical trial research carried out in Alzahra Hospital (Isfahan, Iran) in 2013 on granulomatous mastitis patients...
2017: Advanced Biomedical Research
https://www.readbyqxmd.com/read/28215945/mycophenolate-mofetil-combined-with-prednisone-versus-full-dose-prednisone-in-iga-nephropathy-with-active-proliferative-lesions-a-randomized-controlled-trial
#13
Jin-Hua Hou, Wei-Bo Le, Nan Chen, Wei-Ming Wang, Zhang-Suo Liu, Dong Liu, Jiang-Hua Chen, Jiong Tian, Ping Fu, Zhang-Xue Hu, Cai-Hong Zeng, Shao-Shan Liang, Min-Lin Zhou, Hai-Tao Zhang, Zhi-Hong Liu
BACKGROUND: Observational studies suggest that patients with immunoglobulin A nephropathy (IgAN) with active proliferative lesions show a good response to immunosuppressive treatment. STUDY DESIGN: Multicenter, prospective, randomized, controlled trial. SETTING & PARTICIPANTS: 176 patients with IgAN with active proliferative lesions (cellular and fibrocellular crescents, endocapillary hypercellularity, or necrosis), proteinuria with protein excretion ≥ 1...
February 15, 2017: American Journal of Kidney Diseases: the Official Journal of the National Kidney Foundation
https://www.readbyqxmd.com/read/28213178/the-atypical-excretion-profile-of-meldonium-comparison-of-urinary-detection-windows-after-single-and-multiple-dose-application-in-healthy-volunteers
#14
Christian Görgens, Sven Guddat, Christina Bosse, Hans Geyer, Valentin Pop, Wilhelm Schänzer, Mario Thevis
Following a one-year monitoring program providing unequivocal analytical evidence for a high prevalence in international elite sports, meldonium has been included in the World Anti-Doping Agency's (WADA) list of prohibited substances that came into effect on 1 January 2016. Despite of the polar and hydrophilic nature of the molecule, an unusual long detection window was observed in pilot elimination studies. Consequently, in the present study, urinary excretion profiles after single-dose (5 volunteers, 1×500mg) and multiple-dose oral application (5 volunteers; 2×500mg/day for 6days) were determined in order to facilitate the result management concerning meldonium findings in doping controls...
February 6, 2017: Journal of Pharmaceutical and Biomedical Analysis
https://www.readbyqxmd.com/read/28212454/clinical-comparison-of-screw-retained-and-screwless-morse-taper-implant-abutment-connections-one-year-postloading-results
#15
Esma Geckili, Onur Geckili, Hakan Bilhan, Omer Kutay, Tayfun Bilgin
PURPOSE: The purpose of this study was to clinically evaluate the screwless Morse taper implant-abutment connection type, in which the retention screw is totally eliminated, in terms of stability, success, periodontal parameters, and marginal bone levels after 1 year of function by comparing it with a passive fit internal implant-abutment connection, wherein a space exists between the matching components. MATERIALS AND METHODS: Each edentulous subject received an implant with a screwless Morse taper connection (MT) in the left canine area of the mandible and an implant with a screw-retained implant-abutment connection (SR) in the right canine area of the mandible...
February 17, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28209776/distance-dependent-gradient-in-nmdar-driven-spine-calcium-signals-along-tapering-dendrites
#16
Alison S Walker, Guilherme Neves, Federico Grillo, Rachel E Jackson, Mark Rigby, Cian O'Donnell, Andrew S Lowe, Gema Vizcay-Barrena, Roland A Fleck, Juan Burrone
Neurons receive a multitude of synaptic inputs along their dendritic arbor, but how this highly heterogeneous population of synaptic compartments is spatially organized remains unclear. By measuring N-methyl-d-aspartic acid receptor (NMDAR)-driven calcium responses in single spines, we provide a spatial map of synaptic calcium signals along dendritic arbors of hippocampal neurons and relate this to measures of synapse structure. We find that quantal NMDAR calcium signals increase in amplitude as they approach a thinning dendritic tip end...
February 16, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28209401/the-effect-of-prophylactic-cerclage-wires-in-primary-total-hip-arthroplasty-a-biomechanical-study
#17
Andrew C Waligora, John R Owen, Jennifer S Wayne, Shane R Hess, Gregory J Golladay, William A Jiranek
BACKGROUND: Despite literature to support the use of various cerclage techniques to address intraoperative femoral fractures in total hip arthroplasty, there are limited data to support prophylactic cerclage wiring of the femur during cementless implant placement. This study aims to evaluate the effect of prophylactic calcar cerclage wires on the biomechanical parameters required to produce periprosthetic femoral fractures and on the morphology of these fracture patterns in stable cementless femoral implants...
January 21, 2017: Journal of Arthroplasty
https://www.readbyqxmd.com/read/28208855/dengue-an-analysis-of-epidemiological-pattern-over-a-six-year-period
#18
Nidhi Singla, Preeti Chaudhary, Monika Thakur, Jagdish Chander
INTRODUCTION: Dengue is an arboviral infection transmitted among humans by Aedes aegypti, the urban vector and Aedes albopictus as a maintenance vector in sub-urban and rural areas. The diagnosis is routinely established by detection of NS1 antigen and/or by IgM antibodies testing. Dengue infects 50-100 million cases per year worldwide with atleast half million serious cases needing hospitalization. Therefore, it is necessary to keep the surveillance ongoing to timely look out for changes occurring in disease pattern over a geographical area...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28203051/a-review-and-update-on-orphan-drugs-for-the-treatment-of-noninfectious-uveitis
#19
REVIEW
Caiyun You, Haitham F Sahawneh, Lina Ma, Buraa Kubaisi, Alexander Schmidt, C Stephen Foster
INTRODUCTION: Uveitis, a leading cause of preventable blindness around the world, is a critically underserved disease in regard to the medications approved for use. Multiple immunomodulatory therapy (IMT) drugs are appropriate for uveitis therapy but are still off-label. These IMT agents, including antimetabolites, calcineurin inhibitors, alkylating agents, and biologic agents, have been designated as "orphan drugs" and are widely used for systemic autoimmune diseases or organ transplantation...
2017: Clinical Ophthalmology
https://www.readbyqxmd.com/read/28203015/-effect-of-thermal-conductivity-on-apical-sealing-ability-of-4-dental-gutta-percha-cones
#20
C Fan, C Y Yuan, J C Zhang, X Y Wang
OBJECTIVE: To investigate the effect of thermal conductivity on the apical sealing ability of different dental gutta-percha cones during the warm vertical condensation obturation. METHODS: Four kinds of dental gutta-percha cones were used in this study: Bio-GP points (BP, B&L, Korea), large-tapered gutta-percha (DP, DENTSPLY, America), PROTAPER Universal gutta-percha points (DPP, DENTSPLY, America) and mtwo gutta-percha points (VP, VDW, Germany). Volume differences method was used to determine the main components and the thermal conductivity determinator was used to measure the thermal conductivity of these dental gutta-percha cones...
February 18, 2017: Beijing da Xue Xue Bao. Yi Xue Ban, Journal of Peking University. Health Sciences
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