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https://www.readbyqxmd.com/read/28532041/comparative-analysis-of-stress-in-a-new-proposal-of-dental-implants
#1
Mariana Lima da Costa Valente, Denise Tornavoi de Castro, Ana Paula Macedo, Antonio Carlos Shimano, Andréa Cândido Dos Reis
The purpose of this study was to compare, through photoelastic analysis, the stress distribution around conventional and modified external hexagon (EH) and morse taper (MT) dental implant connections. Four photoelastic models were prepared (n=1): Model 1 - conventional EH cylindrical implant (Ø 4.0mm×11mm - Neodent®), Model 2 - modified EH cylindrical implant, Model 3 - conventional MT Conical implant (Ø 4.3mm×10mm - Neodent®) and Model 4 - modified MT conical implant. 100 and 150N axial and oblique loads (30° tilt) were applied in the devices coupled to the implants...
August 1, 2017: Materials Science & Engineering. C, Materials for Biological Applications
https://www.readbyqxmd.com/read/28530474/optimising-pre-season-training-loads-in-australian-football
#2
David L Carey, Justin Crow, Kok-Leong Ong, Peter Blanch, Meg E Morris, Ben J Dascombe, Kay M Crossley
PURPOSE: To investigate whether pre-season training plans for Australian football can be computer generated using current training load guidelines to optimise injury risk reduction and performance improvement. METHODS: A constrained optimisation problem was defined for daily total and sprint distance, using the pre-season schedule of an elite Australian football team as a template. Maximising total training volume and maximising Banister model projected performance were both considered as optimisation objectives...
May 22, 2017: International Journal of Sports Physiology and Performance
https://www.readbyqxmd.com/read/28528891/salivary-steroids-hormones-well-being-and-physical-performance-during-an-intensification-training-period-followed-by-a-tapering-period-in-youth-rhythmic-gymnasts
#3
Kizzy Antualpa, Marcelo Saldanha Aoki, Alexandre Moreira
This study examined the effect of an intensification period (IT; 4weeks; after a habitual training period; HT) followed by a tapering period (TP; 2weeks) on salivary hormones (testosterone - T and cortisol - C), well-being (WB), and physical performance in 23 rhythmic gymnasts (RG; Under-11 group [G1], Under-13 group [G2], and >13 group [G3]). The session-rating of perceived exertion was used to quantify the daily internal training load (ITL). The WB questionnaire was completed daily. Physical performance tests and saliva sampling were carried out at the beginning of the IT (T1), after IT (T2), and after TP (T3)...
May 18, 2017: Physiology & Behavior
https://www.readbyqxmd.com/read/28528436/the-unresolved-riddle-of-glucocorticoid-withdrawal
#4
REVIEW
F Guerrero Pérez, A P Marengo, C Villabona Artero
Glucocorticoid (GC) therapy is the most common cause of adrenal insufficiency (AI). The real prevalence of AI after GC is unknown but it could involve more than 30% of patients. Some gene variation has been associated with the variability of hypothalamic-pituitary-adrenal (HPA) axis and this issue could contribute to the individual variation of adrenal function after GC treatment. Symptoms and signs of AI are nonspecific and frequently the diagnosis is delayed. Dosage, duration of treatment, administration route and serum cortisol value are not completely useful to predict AI...
May 20, 2017: Journal of Endocrinological Investigation
https://www.readbyqxmd.com/read/28522242/monitoring-the-surface-quality-of-silver-plasmon-waveguides-with-nonlinear-photoemission-electron-microscopy-and-in-situ-ion-sputtering
#5
Kellie Pearce, Francis Schuknecht, Christian Späth, Benjamin Duschner, Florian Richter, Ulf Kleineberg
We use photoemission electron microscopy (PEEM) with single- and two-photon excitation to study the properties of surface plasmon polaritons (SPPs) in tapered silver stripe waveguides. Arrays of waveguides with different widths, grating coupler geometries, and taper angles are fabricated using electron beam lithography (EBL) on Si and indium-tin-oxide (ITO)-covered glass substrates. The presence of propagating SPP modes is indicated by modulations of the non-linear photoemission intensity which run along the length of the waveguide - the result of interfering SPPs reflected from the edges...
May 10, 2017: Ultramicroscopy
https://www.readbyqxmd.com/read/28521113/real-time-imaging-of-gap-progress-during-and-after-composite-polymerization
#6
J Hayashi, Y Shimada, J Tagami, Y Sumi, A Sadr
The aims of this study were to observe the behavior of composite and formation of gaps during and immediately after light polymerization using swept source optical coherence tomography (OCT) and to compare the interfacial integrity of adhesives in cavities through 3-dimensional (3D) image analysis. Forty tapered cylindrical cavities (4-mm diameter, 2-mm depth) were prepared in bovine incisors and restored using Bond Force (BF), Scotchbond Universal Adhesive (SBU), OptiBond XTR (XTR), or Clearfil SE Bond 2 (SE2), followed by Estelite Flow Quick flowable composite...
May 1, 2017: Journal of Dental Research
https://www.readbyqxmd.com/read/28520586/clinical-course-of-ulcerative-colitis-after-liver-transplantation-in-patients-with-concomitant-primary-sclerosing-cholangitis-and-ulcerative-colitis
#7
Mohammad Reza Fattahi, Seyyed Ali Malek-Hosseini, Gholam Reza Sivandzadeh, Ali Reza Safarpour, Kamran Bagheri Lankarani, Ali Reza Taghavi, Fardad Ejtehadi
BACKGROUND: The natural history of ulcerative colitis (UC) after liver transplantation (LT) for primary sclerosing cholangitis (PSC) remains ill defined. This study aimed to evaluate the course of UC after LT for PSC. METHODS: The course of UC, including the clinical colitis severity index, was evaluated in patients with concomitant PSC and UC who received LT for PSC-induced end-stage liver disease. A total of 167 (55.4%) patients with PSC had concurrent inflammatory bowel disease (IBD)...
May 16, 2017: Inflammatory Bowel Diseases
https://www.readbyqxmd.com/read/28520452/-relapsing-autoimmune-pancreatitis-type-1-case-report
#8
Alena Ondrejková, Bohuslav Kianička, Hana Nechutová, Lukáš Hruška, Ivo Novotný, Miroslav Souček
Autoimmune pancreatitis (AIP) is a rare form of chronic pancreatitis, classified into 2 subtypes - AIP type 1 and AIP type 2. We present a case of a 31-years-old female admitted to our institution with upper abdominal pain and obstructive jaundice. Endoscopic retrograde cholangiopancreatoscopy (ERCP) revealed stenosis of intrapancreatic distal bile duct. Diffuse parenchymal enlargement and typical features of AIP were shown by computed tomography (CT) and endoscopic ultrasonography (EUS). The patient´s serum IgG4 was elevated at 3...
2017: Vnitr̆ní Lékar̆ství
https://www.readbyqxmd.com/read/28518184/a-method-for-minimizing-rotational-errors-of-implant-prostheses
#9
Hyeonjong Lee, Kung-Rock Kwon, Janghyun Paek, Ahran Pae, Kwantae Noh
PURPOSE: Rotational errors of implants can occur during two stages: when connecting impression copings with implants, and when connecting impression copings with analogs. The aim of this study was to determine ways to minimize these rotational errors. MATERIALS AND METHODS: Three types of implants were prepared: a tissue-level implant with an internal octagon 8-degree Morse taper connection, a bone-level implant with an internal hex 11-degree Morse taper connection, and a bone-level implant with an external hex connection...
May 18, 2017: International Journal of Oral & Maxillofacial Implants
https://www.readbyqxmd.com/read/28516225/a-case-of-bilateral-keratitis-caused-by-providencia-alcalifaciens-a-rarely-encountered-ocular-pathogen
#10
Won Choi, Yong Sok Ji, Kyung Chul Yoon
PURPOSE: To report a case of keratitis caused by Providencia alcalifaciens. METHODS: A 70-year-old man presented with pain, redness, and decreased vision in both of his eyes. On initial presentation, the visual acuity in both of his eyes was hand motion, and slit lamp examination showed diffuse infiltrates and total epithelial defects of the cornea, conjunctival hyperemia, and severe anterior chamber reactions with 2-mm-height hypopyon. The results of laboratory studies revealed elevated liver function tests, which indicated the presence of alcoholic liver disease...
May 17, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/28516158/a-management-algorithm-for-mitomycin-c-induced-cystitis
#11
Amy N Luckenbaugh, Rory M Marks, David C Miller, Alon Z Weizer, John T Stoffel, Jeffrey S Montgomery
Background/Objective: A post-bladder tumor resection dose of MMC can reduce non-invasive papillary (pTa) bladder cancer recurrences by up to 40%; this treatment is recommended in both the AUA and EUA non-muscle-invasive bladder cancer guidelines. A common complication of this treatment is eosinophilic cystitis. Symptoms range from mild urinary frequency and urgency to debilitating pain and dysuria. Currently, there is no established treatment algorithm for MMC-induced cystitis. Methods: Members of the Urologic Surgery Quality Collaborative (USQC), a group composed of over 160 private and academic urologists, met to discuss the management of patients with cystitis following MMC therapy...
April 27, 2017: Bladder Cancer
https://www.readbyqxmd.com/read/28515558/a-rare-case-of-complicated-opioid-withdrawal-in-delirium-without-convulsions
#12
B Neeraj Raj, N Manamohan, Divya Hegde, Chandrashekar B Huded, Johnson Pradeep
Opioids are one of the commonly abused substances in India. Opioid withdrawal symptoms classically include severe muscle cramps, bone aches, autonomic symptoms, anxiety, restlessness, insomnia, and temperature dysregulation. However, reports of cases with delirium during withdrawal are few. A 25-year-old male with severe opioid withdrawal symptoms developed delirium. Investigations were normal. There were no comorbidities, no significant past history and family history. Patient treated for opioid dependence with tapering doses of lorazepam and clonidine...
March 2017: Indian Journal of Psychological Medicine
https://www.readbyqxmd.com/read/28513869/transition-of-intravenous-treprostinil-to-oral-therapy-in-a-patient-with-functional-class-iv-chronic-thromboembolic-pulmonary-hypertension
#13
Kristina M Thurber, Breann M Williams, Ruth E Bates, Robert P Frantz
Chronic thromboembolic pulmonary hypertension (CTEPH) occurs when pulmonary emboli fail to resolve with anticoagulation. For patients with inoperable or residual CTEPH, riociguat is currently the only therapy approved by the United States Food and Drug Administration. However, some patients with CTEPH may require therapy beyond riociguat, such as intravenous prostacyclins, which can present significant administration challenges in patients with complex comorbid conditions. We describe a 42-year-old man with T12 paraplegia complicated by CTEPH (functional class IV with substantial right ventricular dysfunction) and severe pressure ulcers...
May 17, 2017: Pharmacotherapy
https://www.readbyqxmd.com/read/28512493/radiographic-quality-of-root-canal-obturation-performed-by-fifth-year-students-of-hamadan-dental-school
#14
Amir Eskandarloo, Hamed Karkehabadi, Seyedeh Zeinab Hoseini Hashemi, Masoumeh Ahmadi, Seyedeh Sareh Hendi
INTRODUCTION: The aim of this study was to assess the radiographic technical quality of root canal therapy performed by fifth year students of Dental School of Hamadan University of Medical Sciences from 2015 to 2016. METHODS AND MATERIALS: Four hundred and seventy records of root canal therapies were evaluated. Records with graphies taken as initial, master apical file (MAF), master apical cone (MAC) and final radiographs were included in the study and records of patient younger than 16 years and older than 68 years were excluded from further investigations...
2017: Iranian Endodontic Journal
https://www.readbyqxmd.com/read/28512462/de-novo-transcriptome-profiling-of-flowers-flower-pedicels-and-pods-of-lupinus-luteus-yellow-lupine-reveals-complex-expression-changes-during-organ-abscission
#15
Paulina Glazinska, Waldemar Wojciechowski, Milena Kulasek, Wojciech Glinkowski, Katarzyna Marciniak, Natalia Klajn, Jacek Kesy, Jan Kopcewicz
Yellow lupine (Lupinus luteus L., Taper c.), a member of the legume family (Fabaceae L.), has an enormous practical importance. Its excessive flower and pod abscission represents an economic drawback, as proper flower and seed formation and development is crucial for the plant's productivity. Generative organ detachment takes place at the basis of the pedicels, within a specialized group of cells collectively known as the abscission zone (AZ). During plant growth these cells become competent to respond to specific signals that trigger separation and lead to the abolition of cell wall adhesion...
2017: Frontiers in Plant Science
https://www.readbyqxmd.com/read/28509828/modular-fluted-tapered-stems-in-aseptic-revision-total-hip-arthroplasty
#16
Matthew P Abdel, Umberto Cottino, Dirk R Larson, Arlen D Hanssen, David G Lewallen, Daniel J Berry
BACKGROUND: Modular fluted tapered stems have become the most commonly employed category of femoral component in revision hip arthroplasty in North America as a result of favorable early results and simplicity of use. Despite wide adoption, the majority of published data are limited to relatively small series with modest follow-up. The goal of the current study was to determine the success rate and factors associated with success, failure, and complications of the use of modular fluted tapered stems in aseptic revision total hip arthroplasties (THAs) in a large patient cohort...
May 17, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28509121/antithyroid-drug-associated-mpo-anca-positive-tubulointerstitial-nephritis-in-a-type-2-diabetes-patient-a-case-report
#17
Shinsuke Nishimura, Kazushi Nakao, Masaya Takeda, Ikuko Matsuura, Yoshihisa Nomura, Sonei Shojima, Yuriko Yamamura, Kazuyuki Fujita, Noriya Momoki, Keisuke Maruyama, Masahiro Yamamura, Makoto Hiramatsu
A 54-year-old man diagnosed with type 2 diabetes and hyperthyroidism was prescribed propylthiouracil (PTU) after the patient developed hepatic dysfunction on thiamazole. At 50 mg/day of PTU, he was stable with thyroid-stimulating hormone receptor and thyrotropic antibody titers remaining stable. After four years of taking PTU, he was referred to the Department of Nephrology due to a rapid increase in his serum creatinine (Cr) level. He showed impaired renal function (Cr 2.26 mg/dL; estimated glomerular filtration rate (eGFR), 25 mL/min)...
May 2017: CEN Case Reports
https://www.readbyqxmd.com/read/28507428/propranolol-therapy-for-infantile-hemangioma-our-experience
#18
Ling Zhang, Hai-Wei Wu, Weien Yuan, Jia-Wei Zheng
OBJECTIVE: Hemangiomas are the most common benign vascular tumors of infancy. Although most infantile hemangiomas (IHs) have the ability to involute spontaneously after initial proliferation and resolve without consequence, intervention is required in a subset of IHs, which develop complications resulting in ulceration, bleeding, or aesthetic deformity. The primary treatment for this subset of IHs is pharmacological intervention, and propranolol has become the new first-line treatment for complicated hemangiomas...
2017: Drug Design, Development and Therapy
https://www.readbyqxmd.com/read/28506299/developmental-hip-dysplasia-treated-by-total-hip-arthroplasty-using-a-cementless-wagner-cone-stem-in-young-adult-patients-with-a-small-physique
#19
Ping Zhen, Jun Liu, Hao Lu, Hui Chen, Xusheng Li, Shenghu Zhou
BACKGROUND: Developmental hip dysplasia (DDH) may lead to severe acetabular and femoral abnormalities that can render total hip arthroplasty (THA) challenging, especially in DDH patients with a small physique. Most conventional cemented or cementless femoral components are often difficult to implant in the narrow femoral canal and require slight version correction during surgery. The aim of this study was to present the mid-term results of THA in the treatment of DDH patients with a small physique using a cementless Wagner cone prosthesis (Zimmer®, US)...
May 15, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28506261/a-possible-role-of-low-regulatory-t-cells-in-anti-acetylcholine-receptor-antibody-positive-myasthenia-gravis-after-bone-marrow-transplantation
#20
Masahiko Fukatsu, Takenobu Murakami, Hiroshi Ohkawara, Shunichi Saito, Kazuhiko Ikeda, Suguru Kadowaki, Itaru Sasaki, Mari Segawa, Tomoko Soeda, Akihiko Hoshi, Hiroshi Takahashi, Akiko Shichishima-Nakamura, Kazuei Ogawa, Yoshihiro Sugiura, Hitoshi Ohto, Yasuchika Takeishi, Takayuki Ikezoe, Yoshikazu Ugawa
BACKGROUND: Chronic graft-versus-host disease (GVHD) appears several months following allogenic hematopoietic stem cell transplantation (HSCT) and is clinically analogous to autoimmune disorder. Polymyositis is a common neuromuscular disorder in chronic GVHD, but myasthenia gravis (MG) is extremely rare. Hence, its pathophysiology and treatment have not been elucidated. CASE PRESENTATION: A 63-year-old man with a history of chronic GVHD presented with ptosis, dropped head, and dyspnea on exertion, which had worsened over the previous several months...
May 15, 2017: BMC Neurology
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