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https://www.readbyqxmd.com/read/27932823/hereditary-dentine-dysplasias-terminology-in-the-context-of-osteogenesis-imperfecta
#1
M Chetty, T Roberts, L X G Stephen, P Beighton
Hereditary dentine dysplasias (HDD) such as dentinogenesis imperfecta (DI) and dentine dysplasia (DD) are a group of genetic conditions characterised by an abnormal dentine structure due to disturbances in the formation, composition, or organisation of the dentine matrix. Either the primary or both primary and secondary dentition are affected to varying degrees. These disorders result from mutations in the genes encoding the major protein constituents of dentine, notably collagens and phosphoproteins. The clinical and radiological features of the hereditary dentine dysplasias (HDD) are relevant to clinical dentistry, in particular osteogenesis imperfecta (OI) which is a well-known heterogeneous genetic disorder...
December 9, 2016: British Dental Journal
https://www.readbyqxmd.com/read/27932353/ezetimibe-in-combination-with-statins-ameliorates-endothelial-dysfunction-in-coronary-arteries-after-stenting-the-cuvic-trial-effect-of-cholesterol-absorption-inhibitor-usage-on-target-vessel-dysfunction-after-coronary-stenting-a-multicenter-randomized-controlled
#2
Susumu Takase, Tetsuya Matoba, Soichi Nakashiro, Yasushi Mukai, Shujiro Inoue, Keiji Oi, Taiki Higo, Shunsuke Katsuki, Masao Takemoto, Nobuhiro Suematsu, Kenichi Eshima, Kenji Miyata, Mitsutaka Yamamoto, Makoto Usui, Kenji Sadamatsu, Shinji Satoh, Toshiaki Kadokami, Kiyoshi Hironaga, Ikuyo Ichi, Koji Todaka, Junji Kishimoto, Kensuke Egashira, Kenji Sunagawa
OBJECTIVES: We sought to investigate whether treatment with ezetimibe in combination with statins improves coronary endothelial function in target vessels in coronary artery disease patients after coronary stenting. APPROACH AND RESULTS: We conducted a multicenter, prospective, randomized, open-label, blinded-end point trial among 11 cardiovascular treatment centers. From 2011 to 2013, 260 coronary artery disease patients who underwent coronary stenting were randomly allocated to 2 arms (statin monotherapy (S) versus ezetimibe [10 mg/d]+statin combinational therapy [E+S])...
December 8, 2016: Arteriosclerosis, Thrombosis, and Vascular Biology
https://www.readbyqxmd.com/read/27924812/interstitial-oxygen-as-a-source-of-p-type-conductivity-in-hexagonal-manganites
#3
Sandra H Skjærvø, Espen T Wefring, Silje K Nesdal, Nikolai H Gaukås, Gerhard H Olsen, Julia Glaum, Thomas Tybell, Sverre M Selbach
Hexagonal manganites, h-RMnO3 (R=Sc, Y, Ho-Lu), have been intensively studied for their multiferroic properties, magnetoelectric coupling, topological defects and electrically conducting domain walls. Although point defects strongly affect the conductivity of transition metal oxides, the defect chemistry of h-RMnO3 has received little attention. We use a combination of experiments and first principles electronic structure calculations to elucidate the effect of interstitial oxygen anions, Oi, on the electrical and structural properties of h-YMnO3...
December 7, 2016: Nature Communications
https://www.readbyqxmd.com/read/27922725/resilience-and-traumatic-brain-injury-among-iraq-afghanistan-war-veterans-differential-patterns-of-adjustment-and-quality-of-life
#4
Timothy R Elliott, Yu-Yu Hsiao, Nathan A Kimbrel, Eric Meyer, Bryann B DeBeer, Suzy Bird Gulliver, Oi-Man Kwok, Sandra B Morissette
OBJECTIVE: We examined the degree to which a resilient personality prototype predicted adjustment among war Veterans with and without a traumatic brain injury (TBI) while covarying the level of combat exposure. METHOD: A total of 127 war Veterans (107 men, 20 women; average age = 37 years) participated. Personality prototypes were derived from the Multidimensional Personality Questionnaire (Patrick, Curtain, & Tellegen, 2002). Measures were administered at baseline, and a subset was administered at 4- and 8-month follow-ups...
December 6, 2016: Journal of Clinical Psychology
https://www.readbyqxmd.com/read/27914959/virulence-traits-and-different-nle-profiles-in-cattle-and-human-verotoxin-producing-escherichia-coli-o157-h7-strains-from-argentina
#5
Juliana González, Andrea Mariel Sanso, Jimena Soledad Cadona, Ana Victoria Bustamante
Verotoxin-producing E. coli (VTEC) O157:H7 is the dominant serotype isolated from patients with HUS and, Argentina has the highest rate of HUS in the world. Molecular typing had allowed to identify subpopulations related to the origin and virulence of O157:H7 strains. Our aim was to perform a genetic characterization of 43 O157:H7 strains isolated in Argentine mostly from cattle and humans in order to establish the potential public health risk. For it, we used a combination of molecular subtyping methods in order to identify clade 8_rhsA (C3468G), LSPA-6 and virulence profiles and, a cytotoxicity assay on Vero cell...
November 30, 2016: Microbial Pathogenesis
https://www.readbyqxmd.com/read/27914223/osteogenesis-imperfecta-new-genes-reveal-novel-mechanisms-in-bone-dysplasia
#6
REVIEW
Heeseog Kang, A C S Aryal, Joan C Marini
Osteogenesis imperfecta (OI) is a skeletal dysplasia characterized by fragile bones and short stature and known for its clinical and genetic heterogeneity which is now understood as a collagen-related disorder. During the last decade, research has made remarkable progress in identifying new OI-causing genes and beginning to understand the intertwined molecular and biochemical mechanisms of their gene products. Most cases of OI have dominant inheritance. Each new gene for recessive OI, and a recently identified gene for X-linked OI, has shed new light on its (often previously unsuspected) function in bone biology...
November 19, 2016: Translational Research: the Journal of Laboratory and Clinical Medicine
https://www.readbyqxmd.com/read/27910552/versatile-wetting-measurement-of-microplate-wells
#7
Enoch Ming Wei Ng, Brandon Huey-Ping Cheong, Yang Yu, Oi Wah Liew, Tuck Wah Ng
A method to measure the contact angle, which is indicative of wetting, using small liquid volumes dispensed directly on microplate wells is described and demonstrated. Experiments with enhanced green protein samples of volumes 4.4-6 μl showed no measured variance in the contact angle. Experiments with phosphate buffer solution with varied concentrations of a non-ionic detergent (Tween 20) dissolved, however, revealed smaller contact angles with increased detergent concentration. It is experimentally shown that drops can be located up to 7° from the lowest position of the well without affecting the accuracy of contact angle measurements...
November 2016: Review of Scientific Instruments
https://www.readbyqxmd.com/read/27909523/comparison-of-the-influence-of-right-atrial-septal-pacing-and-appendage-pacing-on-an-atrial-function-and-atrial-fibrillation-in-the-clinical-situation
#8
Mariko Tanaka Md, Kanae Su Md, Maki Oi Md, Yasuyo Motohashi Md, Kousuke Takahashi Md, Euihong Ko Md, Koji Hanazawa Md, Mamoru Toyofuku Md, Masahiko Kitada Md, Yousuke Yuzuki Md, Takashi Tamura Md
INTRODUCTION: Recently right atrial septal (RAS) pacing is often selected, but the benefit brought by RAS pacing has not been clear. The aim of this study was to evaluate the differences between RAS pacing and right appendage (RAA) pacing. METHODS: 223 consecutive new patients with a right atrial (RA) electrode during the period from January 2004 to December 2012 were studied retrospectively. They were observed regularly at our pacemaker (PM) clinic, and we measured paced P - sensed QRS interval (pPQi) and left atrial dimension (LAD) during the observation period, furthermore the onset of atrial fibrillation (AF) was assessed...
June 2016: Journal of Atrial Fibrillation
https://www.readbyqxmd.com/read/27894323/health-related-quality-of-life-and-a-cost-utility-simulation-of-adults-in-the-uk-with-osteogenesis-imperfecta-x-linked-hypophosphatemia-and-fibrous-dysplasia
#9
Lydia Forestier-Zhang, Laura Watts, Alison Turner, Harriet Teare, Jane Kaye, Joe Barrett, Cyrus Cooper, Richard Eastell, Paul Wordsworth, Muhammad K Javaid, Rafael Pinedo-Villanueva
BACKGROUND: Health-related quality of life of adults with osteogenesis imperfecta (OI), fibrous dysplasia (FD) and X-linked hypophosphatemia (XLH) remains poorly described. The aim of this study was to describe the HRQoL of adults with osteogenesis imperfecta, fibrous dysplasia and X-linked hypophophataemia and perform a cost-utility simulation to calculate the maximum cost that a health care system would be willing to pay for a hypothetical treatment of a rare bone disease. RESULTS: Participants completed the EQ-5D-5 L questionnaire between September 2014 and March 2016...
November 28, 2016: Orphanet Journal of Rare Diseases
https://www.readbyqxmd.com/read/27885708/oldest-medical-description-of-osteogenesis-imperfecta-17th-century-france
#10
Philippe Charlier, Antonio Perciaccante, Raffaella Bianucci
Osteogenesis imperfecta (OI), also known as Lobstein's syndrome or Vrolik's syndrome, comprises a heterogeneous group of rare genetic connective tissue disorders. It is characterized by increased bone fragility, low bone mass, and susceptibility to bone fractures of variable severity. Originally named "osteomalacia congenita," the condition was first medically described in a family by Ekman in 1778. Here, we report a 17th century medical account from France, which predates Eckman's doctoral dissertation by about a century...
November 7, 2016: Clinical Anatomy
https://www.readbyqxmd.com/read/27884655/zika-virus-infection-in-dexamethasone-immunosuppressed-mice-demonstrating-disseminated-infection-with-multi-organ-involvement-including-orchitis-effectively-treated-by-recombinant-type-i-interferons
#11
Jasper Fuk-Woo Chan, Anna Jinxia Zhang, Chris Chung-Sing Chan, Cyril Chik-Yan Yip, Winger Wing-Nga Mak, Houshun Zhu, Vincent Kwok-Man Poon, Kah-Meng Tee, Zheng Zhu, Jian-Piao Cai, Jessica Oi-Ling Tsang, Kenn Ka-Heng Chik, Feifei Yin, Kwok-Hung Chan, Kin-Hang Kok, Dong-Yan Jin, Rex Kwok-Him Au-Yeung, Kwok-Yung Yuen
BACKGROUND: Disseminated or fatal Zika virus (ZIKV) infections were reported in immunosuppressed patients. Existing interferon-signaling/receptor-deficient mouse models may not be suitable for evaluating treatment effects of recombinant interferons. METHODS: We developed a novel mouse model for ZIKV infection by immunosuppressing BALB/c mice with dexamethasone. RESULTS: Dexamethasone-immunosuppressed male mice (6-8weeks) developed disseminated infection as evidenced by the detection of ZIKV-NS1 protein expression and high viral loads in multiple organs...
November 12, 2016: EBioMedicine
https://www.readbyqxmd.com/read/27882025/no-inhalation-in-combination-with-high-frequency-ventilation-treatment-in-the-treatment-of-neonatal-severe-respiratory-failure
#12
Xiaohui Guo, Yanfeng Sun, Jing Miao, Min Cui, Jiangbo Wang, Shuzhen Han
OBJECTIVE: To discuss over NO inhalation (iNO) in combination with high frequency ventilation treatment in relieving clinical symptoms and respiratory state of patients with neonatal severe respiratory failure. METHODS: Ninety newborns with severe respiratory failure who received treatment in our hospital were selected for this study. They were divided into research group and control group according to visiting time. Patients in the control group were given conventional treatment in combination with high-frequency oscillatory ventilation, while patients in the research group were given iNO for treatment additionally besides the treatment the same as the control group...
September 2016: Pakistan Journal of Medical Sciences Quarterly
https://www.readbyqxmd.com/read/27876255/patient-and-perioperative-variables-affecting-30-day-readmission-for-surgical-complications-after-hip-and-knee-arthroplasties-a-matched-cohort-study
#13
Benjamin F Ricciardi, Kathryn K Oi, Steven B Daines, Yuo-Yu Lee, Amethia D Joseph, Geoffrey H Westrich
BACKGROUND: Changes in reimbursement for total hip and knee arthroplasties (THA and TKA) have placed increased financial burden of early readmission on hospitals and surgeons. Our purpose was to characterize factors of 30-day readmission for surgical complications after THA and TKA at a single, high-volume orthopedic specialty hospital. METHODS: Patients with a diagnosis of osteoarthritis and who were readmitted within 30 days of their unilateral primary THA or TKA procedure between 2010 and 2014...
October 21, 2016: Journal of Arthroplasty
https://www.readbyqxmd.com/read/27874934/effect-of-nitric-oxide-inhalation-for-the-treatment-of-neonatal-pulmonary-hypertension
#14
H-W Wu, Z-G Li, G Liu, G-Z Lu, H-Y Liang
OBJECTIVE: To investigate the effect of nitric oxide (NO) inhalation for the treatment of neonatal pulmonary hypertension. PATIENTS AND METHODS: Eighty-six patients with neonatal pulmonary hypertension who were treated for the first time Xuzhou Children's Hospital from January 2013 to January 2016 were selected and randomly divided into the observation group and control group, with 43 cases each. Patients in the control group were treated with high-frequency oscillatory ventilation, while those in the observation group were treated with high-frequency oscillatory ventilation combined with inhalational NO therapy...
November 2016: European Review for Medical and Pharmacological Sciences
https://www.readbyqxmd.com/read/27869851/calibration-of-oblique-incidence-reflectivity-difference-for-label-free-detection-of-a-molecular-layer
#15
Chenggang Zhu, Ru Chen, Yuzhangyang Zhu, Xu Wang, Xiangdong Zhu, Lan Mi, Fengyun Zheng, Yiyan Fei
Oblique-incidence reflectivity difference (OI-RD) is a form of polarization-modulation ellipsometry that measures properties of thin films on a solid surface through the change in polarization state of light upon reflection from the surface. The measurement accuracy depends on the precision of the phase modulation amplitude and azimuthal alignments of key polarizing optical elements and, thus, requires careful calibration. In the present work, we describe robust methods of such calibrations that enable precise determination of the modulation amplitude and static retardation of a phase modulator and azimuths of key polarizing optics in an OI-RD system...
November 20, 2016: Applied Optics
https://www.readbyqxmd.com/read/27867562/analysis-of-risk-factors-for-and-the-prognosis-of-postoperative-acute-respiratory-distress-syndrome-in-patients-with-stanford-type-a-aortic-dissection
#16
Mei-Fang Chen, Liang-Wan Chen, Hua Cao, Yong Lin
BACKGROUND: To explore the risk factors for and the prognosis of postoperative acute respiratory distress syndrome (ARDS) in patients with Stanford type A aortic dissection (AD). METHODS: This retrospective nested case-control study included 527 Stanford type A AD patients who were divided into ARDS groups and non-ARDS groups. The clinical features of the groups were examined. RESULTS: The fifty-nine patients in the ARDS group exhibited extended durations of cardiopulmonary bypass (CPB) (P=0...
October 2016: Journal of Thoracic Disease
https://www.readbyqxmd.com/read/27867224/approximating-the-little-grothendieck-problem-over-the-orthogonal-and-unitary-groups
#17
Afonso S Bandeira, Christopher Kennedy, Amit Singer
The little Grothendieck problem consists of maximizing Σ ij Cijxixj for a positive semidef-inite matrix C, over binary variables xi ∈ {±1}. In this paper we focus on a natural generalization of this problem, the little Grothendieck problem over the orthogonal group. Given C ∈ ℝ (dn) × (dn) a positive semidefinite matrix, the objective is to maximize [Formula: see text] restricting Oi to take values in the group of orthogonal matrices [Formula: see text], where Cij denotes the (ij)-th d × d block of C...
November 2016: Mathematical Programming
https://www.readbyqxmd.com/read/27864101/targeted-exome-sequencing-identifies-novel-compound-heterozygous-mutations-in-p3h1-in-a-fetus-with-osteogenesis-imperfecta-type-viii
#18
Yanru Huang, Libin Mei, Weigang Lv, Haoxian Li, Rui Zhang, Qian Pan, Hu Tan, Jing Guo, Xiaomei Luo, Chen Chen, Desheng Liang, Lingqian Wu
Osteogenesis imperfecta (OI) is a highly clinically and genetically heterogeneous group of disorders. It is difficult to identify severe OI in the perinatal period. Here, a Chinese woman with a suspected history of fetal OI was referred to our institution at 19weeks of gestation, due to ultrasound inspection during antenatal screening, which revealed bulbous metaphyses, short humeri, and short thick bent femora in the fetus. Using targeted exome sequencing of 248 genes known to be involved in skeletal system diseases, we identified novel compound heterozygous mutation in the P3H1 gene in the fetus with OI type VIII: c...
November 15, 2016: Clinica Chimica Acta; International Journal of Clinical Chemistry
https://www.readbyqxmd.com/read/27854143/assessment-of-acute-head-injury-in-an-emergency-department-population-using-sport-concussion-assessment-tool-3rd-edition
#19
Abdullah Bin Zahid, Molly E Hubbard, Vikalpa M Dammavalam, David Y Balser, Gritz Pierre, Amie Kim, Radek Kolecki, Talha Mehmood, Stephen P Wall, Spiros G Frangos, Paul P Huang, David E Tupper, William Barr, Uzma Samadani
Sport Concussion Assessment Tool version 3 (SCAT-3) is one of the most widely researched concussion assessment tools in athletes. Here normative data for SCAT3 in nonathletes are presented. The SCAT3 was administered to 98 nonathlete healthy controls, as well as 118 participants with head-injury and 46 participants with other body trauma (OI) presenting to the ED. Reference values were derived and classifier functions were built to assess the accuracy of SCAT3. The control population had a mean of 2.30 (SD = 3...
November 17, 2016: Applied Neuropsychology. Adult
https://www.readbyqxmd.com/read/27832015/intramedullary-nailing-with-supplemental-plate-and-screw-fixation-of-long-bones-of-patients-with-osteogenesis-imperfecta-operative-technique-and-preliminary-results
#20
Jeanne M Franzone, Richard W Kruse
Although intramedullary fixation is the standard form of surgical fixation of the long bones of children with osteogenesis imperfecta (OI), it remains fraught with complications. Implant breakage, implant cut out, long bone fracture, nonunion, and rod bending have all been described as complications of intramedullary long bone fixation in children with OI. Supplemental fixation techniques represent an attempt to decrease these risks of surgical implant failure of intramedullary devices. A supplemental plate and screw construct at a fracture or an osteotomy site in addition to an intramedullary device in the long bone segment is one such form of supplemental fixation...
November 9, 2016: Journal of Pediatric Orthopedics. Part B
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