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https://www.readbyqxmd.com/read/28208953/open-reduction-and-volar-plate-fixation-of-dorsally-displaced-distal-radius-fractures-a-prospective-study-of-functional-and-radiological-outcomes
#1
Arjun Ballal, Anand Kumar Sadasivan, Anoop Hegde, Ashwin Shetty
INTRODUCTION: The fractures of the distal radius have always posed a unique challenge to the orthopaedic fraternity. The complex ligamentous and bony anatomy offers a wide variety of fractures to be dealt with around this zone. Over the years these injuries have become common especially in the elderly age group as well as the implants and surgical techniques have improved. AIM: To assess the radiological and functional outcome after fixation of intra-articular dorsally displaced distal radius fractures with open reduction and volar Locking Compression Plate fixation (LCP)...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28180930/life-course-persistent-and-adolescence-limited-conduct-disorder-in-a-nationally-representative-us-sample-prevalence-predictors-and-outcomes
#2
Ashlee A Moore, Judy L Silberg, Roxann Roberson-Nay, Briana Mezuk
PURPOSE: The course of conduct disorder (CD) is heterogeneous. Moffitt proposed the heuristic of life course persistent (LCP) and adolescence limited (AL) to differentiate etiologically distinct forms of antisocial behavior (AB), each with distinct predictors and consequences, although a few studies have assessed this demarcation within the context of CD. The objective of this study was to apply Moffitt's taxonomy in a nationally representative US sample to investigate the prevalence, predictors, and outcomes of LCP and AL CD...
February 8, 2017: Social Psychiatry and Psychiatric Epidemiology
https://www.readbyqxmd.com/read/28174772/collagen-peptides-ameliorate-intestinal-epithelial-barrier-dysfunction-in-immunostimulatory-caco-2-cell-monolayers-via-enhancing-tight-junctions
#3
Qianru Chen, Oliver Chen, Isabela M Martins, Hu Hou, Xue Zhao, Jeffrey B Blumberg, Bafang Li
Dysfunction of the intestinal barrier plays a key role in the pathogenesis of inflammatory bowel disease (IBD) and multiple organ failure. The effect of Alaska pollock skin-derived collagen and its 3 tryptic hydrolytic fractions, HCP (6 kDa retentate), MCP (3 kDa retentate) and LCP (3 kDa permeate) on TNF-α induced barrier dysfunction was investigated in Caco-2 cell monolayers. TNF-α induced barrier dysfunction was significantly attenuated by the collagen and its peptide fractions, especially LCP, compared to TNF-α treated controls (P < 0...
February 8, 2017: Food & Function
https://www.readbyqxmd.com/read/28167788/crystal-structure-of-the-adenosine-a2a-receptor-bound-to-an-antagonist-reveals-a-potential-allosteric-pocket
#4
Bingfa Sun, Priti Bachhawat, Matthew Ling-Hon Chu, Martyn Wood, Tom Ceska, Zara A Sands, Joel Mercier, Florence Lebon, Tong Sun Kobilka, Brian K Kobilka
The adenosine A2A receptor (A2AR) has long been implicated in cardiovascular disorders. As more selective A2AR ligands are being identified, its roles in other disorders, such as Parkinson's disease, are starting to emerge, and A2AR antagonists are important drug candidates for nondopaminergic anti-Parkinson treatment. Here we report the crystal structure of A2A receptor bound to compound 1 (Cmpd-1), a novel A2AR/N-methyl d-aspartate receptor subtype 2B (NR2B) dual antagonist and potential anti-Parkinson candidate compound, at 3...
February 6, 2017: Proceedings of the National Academy of Sciences of the United States of America
https://www.readbyqxmd.com/read/28166208/in-vitro-reconstitution-demonstrates-the-cell-wall-ligase-activity-of-lcp-proteins
#5
Kaitlin Schaefer, Leigh M Matano, Yuan Qiao, Daniel Kahne, Suzanne Walker
Sacculus is a peptidoglycan (PG) matrix that protects bacteria from osmotic lysis. In Gram-positive organisms, the sacculus is densely functionalized with glycopolymers important for survival, but the way in which assembly occurs is not known. In Staphylococcus aureus, three LCP (LytR-CpsA-Psr) family members have been implicated in attaching the major glycopolymer wall teichoic acid (WTA) to PG, but ligase activity has not been demonstrated for these or any other LCP proteins. Using WTA and PG substrates produced chemoenzymatically, we show that all three proteins can transfer WTA precursors to nascent PGs, establishing that LCP proteins are PG-glycopolymer ligases...
February 6, 2017: Nature Chemical Biology
https://www.readbyqxmd.com/read/28157078/analysis-of-upper-limb-movement-range-and-global-grip-strength-after-surgical-treatment-of-ao-type-c-distal-radius-fractures-using-lcp-plates-and-k-wires
#6
Adam Białas, Marek Synder, Artur Dyhdalewicz, Krzysztof Walenczak
BACKGROUND: This paper presents the outcomes of treatment of AO Type C distal radius fractures using LCP plates and K-wires. The analysis focused on comparison of movement range and global grip strength between the operated limb and the healthy one. MATERIAL AND METHOD: The study involved 60 patients treated in the Regional Specialist Hospital in Zgierz in the period 2008-2013. LCP plates were used in 31 cases and fixation with K-wires was employed in 29 patients...
May 5, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28146292/use-of-locking-compression-plates-in-ulnar-fractures-of-18-horses
#7
Carrie C Jacobs, David G Levine, Dean W Richardson
OBJECTIVES: To describe the outcome, clinical findings, and complications associated with the use of the locking compression plate (LCP) for various types of ulnar fractures in horses. STUDY DESIGN: Retrospective case series. SAMPLE POPULATION: Client owned horses (n = 18). METHODS: Medical records, radiographs, and follow-up for horses having an ulnar fracture repaired using at least 1 LCP were reviewed. Fifteen of 18 horses had fractures of the ulna only, and 3 horses had fractures of the ulna and proximal radius...
February 2017: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/28145951/outcome-after-combined-pelvic-and-femoral-osteotomies-in-patients-with-legg-calv%C3%A3-perthes-disease
#8
N Mosow, E Vettorazzi, S Breyer, K Ridderbusch, R Stücker, M Rupprecht
BACKGROUND: The aim of this study was to evaluate the outcome at skeletal maturity of combined pelvic and femoral varus osteotomies in children with Legg-Calvé-Perthes (LCP) disease. METHODS: From January 1998 to December 2009, 69 patients with LCP disease underwent combined osteotomies at our institution. Fifty-two children (19 girls and 33 boys) met the inclusion criteria and were enrolled in the study. The LCP disease was classified and the cases of all patients were reviewed at skeletal maturity...
February 1, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28131682/clavicle-hook-plate-fixation-for-distal-third-clavicle-fracture-neer-type-ii-comparison-of-clinical-and-radiologic-outcomes-between-neer-types-iia-and-iib
#9
Wonyong Lee, Chong-Hyuk Choi, Yun-Rak Choi, Kyung-Han Lim, Yong-Min Chun
BACKGROUND: The purpose of this study was to investigate clinical and radiologic outcomes of clavicle hook plate fixation for distal-third clavicle fracture (Neer type II) and to compare the clinical and radiologic outcomes and complications between Neer type IIA and type IIB. METHODS: We retrospectively reviewed 35 patients who underwent open reduction and internal fixation with AO hook locking compression plate (LCP) for distal clavicle fracture, including 13 patients with Neer type IIA and 22 patients with type IIB...
January 25, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28127714/short-and-long-term-outcomes-of-laparoscopic-organ-sparing-resection-in-pancreatic-neuroendocrine-tumors-a-single-center-experience
#10
Javier A Cienfuegos, Joseba Salguero, Jorge M Núñez-Córdoba, Miguel Ruiz-Canela, Alberto Benito, Sira Ocaña, Gabriel Zozaya, Pablo Martí-Cruchaga, Fernando Pardo, José Luis Hernández-Lizoáin, Fernando Rotellar
BACKGROUND: Laparoscopic organ-sparing pancreatectomy (LOSP) is an ideal therapeutic option in selected cases of pancreatic neuroendocrine tumors (PNETs). Nevertheless, given the low frequency of PNETs, there is scarce evidence regarding short and particularly long-term outcomes of LOSP in this clinical setting. METHODS: All patients with PNETs who underwent surgery (under a LOSP policy) were retrospectively reviewed from a prospective database maintained at our center...
January 26, 2017: Surgical Endoscopy
https://www.readbyqxmd.com/read/28109718/lipid-core-burden-response-to-stent-implantation-assessed-with-near-infrared-spectroscopy-and-intravascular-ultrasound-evaluation-in-patients-with-myocardial-infarction
#11
Manijeh Noori, Per Thayssen, Karsten Tange Veien, Anders Junker, Knud Nørregaard Hansen, Henrik Steen Hansen, Lisette Okkels Jensen
INTRODUCTION: Near-infrared spectroscopy (NIRS) is a new method to identify lipid core plaque (LCP). The LCP and vascular response were assessed with NIRS to examine whether LCP was compressed or redistributed during percutaneous coronary intervention with stent implantation. METHODS: In 25 patients with non-ST segment elevation myocardial infarction (NSTEMI) NIRS acquisition was performed after predilation, stent implantation with nominal pressure and high-pressure post-dilation with a non-compliant balloon...
December 27, 2016: Cardiovascular Revascularization Medicine: Including Molecular Interventions
https://www.readbyqxmd.com/read/28103852/stiffness-of-the-locking-compression-plate-as-an-external-fixator-for-treating-distal-tibial-fractures-a-biomechanics-study
#12
Wei Liu, Lihui Yang, Xiaochuan Kong, Likun An, Gang Hong, Zicheng Guo, Lei Zang
BACKGROUND: Locking compress plate, as external fixator, is an attractive technique for distal tibial fracture treatment. But it still remains unclear whether the external LCP has sufficient stiffness. Thus, the present study aims to make a comprehensive evaluation of the stiffness of external locking compress plate when it is used as an external fixator in distal tibial fractures treatment. METHODS: Composite tibia was used to simulate distal tibia fracture (Orthopedic Trauma Association type 43 A3 fracture)...
January 19, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28102162/biomechanical-causes-of-fracture-non-union-after-diaphyseal-forearm-fracture-fixation-an-in-silico-analysis-case-study
#13
Jacek Lorkowski, Tomasz Kuczek, Ireneusz Kotela
: Non-union of forearm bone shaft fractures remains, in some cases, a major clinical problem. The aim of this study was to assess the biomechanical causes of non-union in a patient with diaphyseal forearm fractures fixated with LCP plates. The paper describes the case of a 35-year-old male who developed a non-union as a result of destabilisation of the fixation. The case was analysed with an in silico analysis of the removed fixation device. CONCLUSION: To sum up, we believe that the case described in this paper confirms the limitations to the use of LCP reconstruction plates in patients with well-developed musculature, even in the case of repeat fixation, when good adjustment of the plate well to the axis of the bone appears necessary...
October 28, 2016: Ortopedia, Traumatologia, Rehabilitacja
https://www.readbyqxmd.com/read/28093609/periprosthetic-fracture-around-a-stable-femoral-stem-treated-with-locking-plate-osteosynthesis-distal-femoral-locking-plate-alone-versus-with-cerclage-cable
#14
Young-Soo Shin, Seung-Beom Han
To promote rapid bone healing, an adequate stable fixation implant with a percutaneous reduction instrument should be used for Vancouver type B1 or C fractures. The objective of this study was to describe radiographic and clinical outcomes of patients with periprosthetic fracture (PPF) around a stable femoral stem, treated with a distal femoral locking plate alone or with a cerclage cable. A total of 21 patients with PPF amenable to either a reverse distal femoral locking plate (LCP DF(®)) alone or with a cerclage cable, with a mean age of 75...
January 16, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/28089451/crystallogenesis-of-membrane-proteins-mediated-by-polymer-bounded-lipid-nanodiscs
#15
Jana Broecker, Bryan T Eger, Oliver P Ernst
For some membrane proteins, detergent-mediated solubilization compromises protein stability and functionality, often impairing biophysical and structural analyses. Hence, membrane-protein structure determination is a continuing bottleneck in the field of protein crystallography. Here, as an alternative to approaches mediated by conventional detergents, we report the crystallogenesis of a recombinantly produced membrane protein that never left a lipid bilayer environment. We used styrene-maleic acid (SMA) copolymers to solubilize lipid-embedded proteins into SMA nanodiscs, purified these discs by affinity and size-exclusion chromatography, and transferred proteins into the lipidic cubic phase (LCP) for in meso crystallization...
February 7, 2017: Structure
https://www.readbyqxmd.com/read/28065456/characterization-and-functional-expression-of-a-rubber-degradation-gene-of-a-nocardia-degrader-from-a-rubber-processing-factory
#16
Dao Viet Linh, Nguyen Lan Huong, Michiro Tabata, Shunsuke Imai, Sou Iijima, Daisuke Kasai, To Kim Anh, Masao Fukuda
A rubber-degrading bacterial consortium named H2DA was obtained from an enrichment culture with natural rubber latex and rubber-processing factory waste in Vietnam. Gel permeation chromatography analysis revealed that only the strain NVL3 degraded synthetic poly(cis-1,4-isoprene) into low-molecular-weight intermediates among the three strains found in the H2DA. The 16S-rRNA gene sequence of NVL3 showed the highest identity with that of Nocardia farcinica DSM 43665(T). NVL3 accumulated aldehyde intermediates from synthetic poly(cis-1,4-isoprene) on a rubber-overlay plate as indicated by Schiff's staining...
January 3, 2017: Journal of Bioscience and Bioengineering
https://www.readbyqxmd.com/read/28053382/a-novel-adjustable-dynamic-plate-for-treatment-of-long-bone-fractures-an-in-vitro-biomechanical-study
#17
Ahmet Karakasli, Nihat Acar, Ahmet Karaarslan, Fatih Ertem, Hasan Havitcioglu
INTRODUCTION: Locking compression plate (LCP) system was designed to provide bone stability and to enhance bone healing. However, implant failure, nonunion and instability are still frequently encountered complications. The purpose of this study was to assess and compare the biomechanical characteristics of a novel adjustable dynamic plate (ADP) with the commonly used LCP. MATERIALS AND METHODS: Twelve 4th generation composite artificial femoral bones were used...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28053380/plating-versus-conservative-treatment-in-mid-shaft-fractures-of-clavicle-a-comparative-study
#18
R K S Dhakad, Mahendra Panwar, Sameer Gupta
OBJECTIVES: Mid shaft clavicle fractures have traditionally been treated by conservative means with good outcome. ORIF with plating is an upcoming option to improve outcome further. Aim of this study is to compare the outcome of anterosuperior plating with conservative treatment. METHODS: The study was conducted over a period of one year, with 50 skeletally mature closed mid shaft fractures included. Alternate patients were operated using a 3.5 mm anterosuperior LCP...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/28040494/novel-four-sided-neural-probe-fabricated-by-a-thermal-lamination-process-of-polymer-films
#19
Soowon Shin, Jae-Hyun Kim, Joonsoo Jeong, Tae Mok Gwon, Seung-Hee Lee, Sung June Kim
BACKGROUND: Ideally, neural probes should have channels with a three-dimensional (3-D) configuration to record the activities of 3-D neural circuits. Many types of 3-D neural probes have been developed; however, most of them were designed as an array of multiple shanks with electrodes located along one side of the shanks. NEW METHOD: We developed a novel liquid crystal polymer (LCP)-based neural probe with four-sided electrodes. This probe has electrodes on four sides of the shank, i...
December 29, 2016: Journal of Neuroscience Methods
https://www.readbyqxmd.com/read/28029248/monoolein-cubic-phase-gels-and-cubosomes-doped-with-magnetic-nanoparticles-hybrid-materials-for-controlled-drug-release
#20
Monika Szlezak, Dorota Nieciecka, Aleksandra Joniec, Marek Pękała, Ewa Gorecka, Mélanie Emo, Marie J Stébé, Paweł Krysiński, Renata Bilewicz
Hybrid materials consisting of a monoolein lipidic cubic phase (LCP) incorporating two types of magnetic nanoparticles (NP) were designed as addressable drug delivery systems. The materials, prepared in the form of a gel, were subsequently used as a macroscopic layer modifying an electrode and, after dispersion to nanoscale, as magnetocubosomes. These two LCPs were characterized by small-angle X-ray scattering (SAXS), cross-polarized microscopy, magnetic measurements, and phase diagrams. The magnetic dopants were hydrophobic NPoleic and hydrophilic NPcitric, characterized by dynamic light scattering (DLS) and transmission electron microscopy (TEM), and their influence on the properties of the cubic phases was investigated...
January 9, 2017: ACS Applied Materials & Interfaces
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