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https://www.readbyqxmd.com/read/29349591/radical-resection-of-a-giant-retroperitoneal-calcifying-fibrous-tumor-combined-with-right-hepatectomy-and-reconstruction-of-the-inferior-vena-cava-and-bilateral-renal-veins
#1
Masaki Kimura, Hiroki Kato, Seishiro Sekino, Narihiro Ishida, Katsutoshi Murase, Katsuya Shimabukuro, Takafumi Sekino, Kiyoshi Doi, Masayuki Matsuo
BACKGROUND: We report a case of a giant retroperitoneal calcifying fibrous tumor (CFT) treated by radical tumor resection combined with right hepatectomy and reconstruction of the inferior vena cava (IVC) and bilateral renal veins. Only three case reports of CFT arising in the retroperitoneum have been reported until today. CASE PRESENTATION: In a 19-year-old female patient, computed tomography (CT) images showed a well-demarcated expansile lesion around the IVC accompanied by focal calcification, whereas the IVC that was circumferentially surrounded by the lesion was dilated due to the desmoplastic reaction...
January 18, 2018: Surgical Case Reports
https://www.readbyqxmd.com/read/29346929/numerical-estimation-of-structure-constants-in-the-three-dimensional-ising-conformal-field-theory-through-markov-chain-uv-sampler
#2
Victor Herdeiro
Herdeiro and Doyon [Phys. Rev. E 94, 043322 (2016)2470-004510.1103/PhysRevE.94.043322] introduced a numerical recipe, dubbed uv sampler, offering precise estimations of the conformal field theory (CFT) data of the planar two-dimensional (2D) critical Ising model. It made use of scale invariance emerging at the critical point in order to sample finite sublattice marginals of the infinite plane Gibbs measure of the model by producing holographic boundary distributions. The main ingredient of the Markov chain Monte Carlo sampler is the invariance under dilation...
September 2017: Physical Review. E
https://www.readbyqxmd.com/read/29341751/entanglement-in-nonunitary-quantum-critical-spin-chains
#3
Romain Couvreur, Jesper Lykke Jacobsen, Hubert Saleur
Entanglement entropy has proven invaluable to our understanding of quantum criticality. It is natural to try to extend the concept to "nonunitary quantum mechanics," which has seen growing interest from areas as diverse as open quantum systems, noninteracting electronic disordered systems, or nonunitary conformal field theory (CFT). We propose and investigate such an extension here, by focusing on the case of one-dimensional quantum group symmetric or supergroup symmetric spin chains. We show that the consideration of left and right eigenstates combined with appropriate definitions of the trace leads to a natural definition of Rényi entropies in a large variety of models...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341740/digital-quantum-simulation-of-minimal-ads-cft
#4
L García-Álvarez, I L Egusquiza, L Lamata, A Del Campo, J Sonner, E Solano
We propose the digital quantum simulation of a minimal AdS/CFT model in controllable quantum platforms. We consider the Sachdev-Ye-Kitaev model describing interacting Majorana fermions with randomly distributed all-to-all couplings, encoding nonlocal fermionic operators onto qubits to efficiently implement their dynamics via digital techniques. Moreover, we also give a method for probing nonequilibrium dynamics and the scrambling of information. Finally, our approach serves as a protocol for reproducing a simplified low-dimensional model of quantum gravity in advanced quantum platforms as trapped ions and superconducting circuits...
July 28, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29341660/2d-stress-tensor-for-4d-gravity
#5
Daniel Kapec, Prahar Mitra, Ana-Maria Raclariu, Andrew Strominger
We use the subleading soft-graviton theorem to construct an operator T_{zz} whose insertion in the four-dimensional tree-level quantum gravity S matrix obeys the Virasoro-Ward identities of the energy momentum tensor of a two-dimensional conformal field theory (CFT_{2}). The celestial sphere at Minkowskian null infinity plays the role of the Euclidean sphere of the CFT_{2}, with the Lorentz group acting as the unbroken SL(2,C) subgroup.
September 22, 2017: Physical Review Letters
https://www.readbyqxmd.com/read/29332753/cognitive-functional-therapy-cft-for-chronic-non-specific-neck-pain
#6
Ney Meziat-Filho, Maicom Lima, Jessica Fernandez, Felipe J J Reis
This case report presents the effect of Cognitive Functional Therapy (CFT) in a patient with chronic non-specific neck pain. The patient believed that pain signified tissue damage, and demonstrated pain catastrophizing, hypervigilance, stress sensitivity, and movement impairment of the neck, during extension and rotation. The CFT intervention integrated a cognitive approach with manual therapy and active exercises to encourage the patient to trust her neck again. One month after the first appointment, the patient had recovered confidence, and the pain and disability had disappeared almost entirely...
January 2018: Journal of Bodywork and Movement Therapies
https://www.readbyqxmd.com/read/29314736/development-of-a-chlamydia-suis-specific-antibody-enzyme-linked-immunosorbent-assay-based-on-the-use-of-a-b-cell-epitope-of-the-polymorphic-membrane-protein-c
#7
K De Puysseleyr, E Kieckens, L De Puysseleyr, H Van den Wyngaert, B Ahmed, S Van Lent, H H Creasy, G S A Myers, D Vanrompay
Chlamydia suis infections lead to economic loss in the pork industry. Chlamydia suis infections could be successfully treated with tetracyclines until the appearance of a tetracycline resistant phenotype, which was acquired via horizontal gene transfer of the tet(C) gene. Given the importance of C. suis as a swine pathogen and as a recently emerged tetracycline resistant pathogen with zoonotic potential, our aim was to develop a sensitive C. suis-specific antibody ELISA based on the polymorphic membrane proteins (Pmps)...
January 4, 2018: Transboundary and Emerging Diseases
https://www.readbyqxmd.com/read/29306082/effect-of-freezing-conditions-on-%C3%AE-tricalcium-phosphate-camphene-scaffold-with-micro-sized-particles-fabricated-by-freeze-casting
#8
Gurdev Singh, S Soundarapandian
The long standing need of the implant manufacturing industries is to fabricate multi-matrix, customized porous scaffold as cost-effectively. In recent years, freeze casting has shown greater opportunity in the fabrication of porous scaffolds (tricalcium phosphate, hydroxyapatite, bioglass, alumina, etc.) such as at ease and good control over pore size, porosity, a range of materials and economic feasibility. In particular, tricalcium phosphate (TCP) has proved as it possesses good biocompatible (osteoinduction, osteoconduction, etc...
December 30, 2017: Journal of the Mechanical Behavior of Biomedical Materials
https://www.readbyqxmd.com/read/29288131/false-positive-rates-in-surface-based-anatomical-analysis
#9
Douglas N Greve, Bruce Fischl
The false positive rates (FPR) for surface-based group analysis of cortical thickness, surface area, and volume were evaluated for parametric and non-parametric clusterwise correction for multiple comparisons for a range of smoothing levels and cluster-forming thresholds (CFT) using real data under group assignments that should not yield significant results. For whole cortical surface analysis, thickness showed modest inflation in parametric FPRs above the nominal level (10% versus 5%). Surface area and volume FPRs were much higher (20-30%)...
December 26, 2017: NeuroImage
https://www.readbyqxmd.com/read/29274022/outcome-of-treat-and-monitor-regimen-of-aflibercept-and-ranibizumab-in-macular-edema-secondary-to-non-ischemic-branch-retinal-vein-occlusion
#10
Francesco Pichi, Ahmed Mohammed Elbarky, Tarek Roshdy Elhamaky
PURPOSE: To compare the efficacy of a modified PRN treatment regimen ("treat and monitor") of aflibercept and ranibizumab in macular edema secondary to non-ischemic branch retinal vein occlusion. METHODS: Seventy eyes of 70 patients with treatment naïve branch retinal vein occlusion were enrolled. All patients underwent a comprehensive ophthalmic examination, spectral-domain optical coherence tomography, and fluorescein angiography. Patients were randomized 1:1 to receive intravitreal aflibercept (34 eyes) and ranibizumab (36 eyes) with a "treat and monitor" treatment regimen with monthly follow-up for 12 months...
December 22, 2017: International Ophthalmology
https://www.readbyqxmd.com/read/29259907/the-impact-of-macular-surgery-in-different-grades-of-epiretinal-membrane
#11
Cosar Batman, Mehmet Citirik
AIM: To assess the impact of macular surgery on the functional and anatomic outcomes of the patients in different grades of epiretinal membrane (ERM). METHODS: Seventy-one eyes of 71 patients who underwent 23-gauge transconjunctival sutureless pars plana vitrectomy for primary isolated ERM were evaluated in this study. RESULTS: There were 38 females (53.5%) and 33 males (46.5%). The average age of the patients was 68.1y (range 42-89y). Mean follow up period was 14mo (range 6-26mo)...
2017: International Journal of Ophthalmology
https://www.readbyqxmd.com/read/29258773/latch-and-trigger-role-for-r445-in-dat-transport-explains-molecular-basis-of-dtds
#12
Maarten E A Reith, Kymry T Jones, Juan Zhen, Sid Topiol
A recent study reports on five different mutations as sources of dopamine transporter (DAT) deficiency syndrome (DTDS). One of these mutations, R445C, is believed to be located on the intracellular side of DAT distal to the primary (S1) or secondary (S2) sites to which substrate binding is understood to occur. Thus, the molecular mechanism by which the R445C mutation results in DAT transport deficiency has eluded explanation. However, the recently reported X-ray structures of the endogenous amine transporters for dDAT and hSERT revealed the presence of a putative salt bridge between R445 and E428 suggesting a possible mechanism...
December 8, 2017: Bioorganic & Medicinal Chemistry Letters
https://www.readbyqxmd.com/read/29251381/inhibitors-and-facilitators-of-compassion-focused-imagery-in-personality-disorder
#13
Iona Naismith, Amanda Mwale, Janet Feigenbaum
BACKGROUND: Compassion-focused therapy (CFT) has potential to benefit clients with a personality disorder (PD), given the inflated levels of shame and self-criticism in this population. However, clinical observation indicates that clients with PD may find techniques from this approach challenging. AIMS: The aim of this study is to trial one aspect of CFT, compassion-focused imagery (CFI), with this population, and identify factors that predict clients' ability to generate CFI and experience self-compassion during the task, including type of CFI exercise and, second, to establish whether CFI outcomes increase with practice...
December 18, 2017: Clinical Psychology & Psychotherapy
https://www.readbyqxmd.com/read/29227742/the-evaluation-of-a-compassion-focused-therapy-group-for-couples-experiencing-a-dementia-diagnosis
#14
Rebecca N Collins, Liam J Gilligan, Rebecca Poz
OBJECTIVES: This study evaluated the effectiveness of a Compassion-Focused Therapy (CFT) group on reducing anxiety, depression, and respiratory rate (RR) in people with dementia (PwD) and their spouses, and improving quality of life (QoL) of PwD. METHOD: Sixty-four participants completed six weekly CFT sessions. Baseline and post-intervention assessments were analyzed using t-tests and Reliability Change Index. RESULTS: Mean baseline and post-assessment anxiety and depression scores fell in the 'normal range'; although a significant reduction in depression with moderate effect was observed for PwD...
October 31, 2017: Clinical Gerontologist
https://www.readbyqxmd.com/read/29226866/11c-cft-pet-in-presymptomatic-ftdp-17-a-potential-biomarker-predicting-onset
#15
Liyong Wu, Jia Liu, Xueyan Feng, Jing Dong, Wei Qin, Yang Liu, Jingjuan Wang, Jie Lu, Kewei Chen, Yuping Wang, Jianping Jia
Frontotemporal dementia with parkinsonism-linked to chromosome 17 (FTDP-17) is a rare autosomal dominant neurodegenerative disorder. Most patients with FTDP-17 carry the mutation in the microtubule-associated protein tau (MAPT) gene. Striatum is predominantly and early affected in FTDP-17. Five family members (two symptomatic patients and three presymptomatic mutation carriers) from a Chinese pedigree of FTDP-17 with N279K mutation in MAPT were enrolled. Parkinsonism was the initial symptom for symptomatic patients...
December 6, 2017: Journal of Alzheimer's Disease: JAD
https://www.readbyqxmd.com/read/29225204/new-theories-of-relativistic-hydrodynamics-in-the-lhc-era
#16
Wojciech Florkowski, Michal P Heller, Michal Spalinski
The past 10 years have witnessed a surge of interest in relativistic hydrodynamics, which has lead a number of interesting developments. A key motivating factor has been the success of the hydrodynamic description of the evolution of quark-gluon plasma produced in heavy ion collision experiments. Relativistic hydrodynamics has come to be viewed in the spirit of effective field theory, in the sense that the gradient expansion of the energy momentum tensor generated by the hydrodynamic theory should in principle be matched with the gradient expansion computed at the microscopic level...
December 11, 2017: Reports on Progress in Physics
https://www.readbyqxmd.com/read/29199081/robotic-finger-perturbation-training-improves-finger-postural-steadiness-and-hand-dexterity
#17
Yasuhide Yoshitake, Atsutoshi Ikeda, Minoru Shinohara
The purpose of the study was to understand the effect of robotic finger perturbation training on steadiness in finger posture and hand dexterity in healthy young adults. A mobile robotic finger training system was designed to have the functions of high-speed mechanical response, two degrees of freedom, and adjustable loading amplitude and direction. Healthy young adults were assigned to one of the three groups: random perturbation training (RPT), constant force training (CFT), and control. Subjects in RPT and CFT performed steady posture training with their index finger using the robot in different modes: random force in RPT and constant force in CFT...
November 22, 2017: Journal of Electromyography and Kinesiology
https://www.readbyqxmd.com/read/29198510/does-calculated-free-testosterone-overcome-total-testosterone-in-protecting-from-sexual-symptom-impairment-findings-of-a-cross-sectional-study
#18
Luca Boeri, Paolo Capogrosso, Eugenio Ventimiglia, Walter Cazzaniga, Filippo Pederzoli, Donatella Moretti, Federico Dehò, Emanuele Montanari, Francesco Montorsi, Andrea Salonia
BACKGROUND: Although erectile dysfunction (ED) has been associated with low circulating total testosterone (TT) levels, the utility of free testosterone (FT) over TT is debatable. AIM: To assess the relative impact of low TT and low calculated FT (cFT) on androgen-related sexual symptoms in men with ED. METHODS: Data from 485 men were analyzed. Comorbidities were scored with the Charlson Comorbidity Index (CCI). Patients completed the International Index of Erectile Function (IIEF) and the Beck Inventory for Depression (BDI)...
December 2017: Journal of Sexual Medicine
https://www.readbyqxmd.com/read/29196941/gastric-calcifying-fibrous-tumor-manifesting-as-a-subepithelial-tumor
#19
Seokyoun Lee, Jaehoon Jahng, Weoncheol Han
A gastric subepithelial tumor is a common finding during upper gastric endoscopy. The differential diagnosis of such lesions is broad, and sometimes a rare disease can be diagnosed. A calcifying fibrous tumor (CFT) is a rare, benign mesenchymal tumor that usually affects children and young adults. To our knowledge, a CFT of the tubular gastrointestinal tract is very rare with fewer than 30 cases of gastric CFTs reported in the literature.
December 1, 2017: Journal of Gastrointestinal Surgery: Official Journal of the Society for Surgery of the Alimentary Tract
https://www.readbyqxmd.com/read/29191218/analysis-of-choroidal-and-central-foveal-thicknesses-in-acute-anterior-uveitis-by-enhanced-depth-imaging-optical-coherence-tomography
#20
Mirinae Kim, Seung Yong Choi, Young-Hoon Park
BACKGROUND: Currently, there are a limited number of reports of structural changes in the retina and choroid in acute anterior uveitis (AAU). The aim of this study was to evaluate choroidal and central foveal thicknesses during episodes of AAU. METHODS: The medical records of 120 patients with AAU and 120 healthy subjects matched for age, sex, and spherical equivalent of refractive error were reviewed. Subjects were divided into group 1 (AAU-affected eyes), 2 (unaffected fellow eyes), and 3 (healthy control eyes)...
December 1, 2017: BMC Ophthalmology
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