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https://www.readbyqxmd.com/read/28214966/anomalous-coronary-arteries-and-myocardial-bridges-risk-stratification-in-children-using-novel-cardiac-catheterization-techniques
#1
Hitesh Agrawal, Silvana Molossi, Mahboob Alam, S Kristen Sexson-Tejtel, Carlos M Mery, E Dean McKenzie, Charles D Fraser, Athar M Qureshi
The evaluation of the vast majority of children with anomalous aortic origin of a coronary artery (AAOCA) and/or myocardial bridges is performed with non-invasive testing. However, a subset of these patients may benefit from invasive testing for risk stratification. All patients included in the Coronary Anomalies Program (CAP) at Texas Children's Hospital who underwent cardiac catheterization were included. Techniques included selective coronary angiograms (SCA), intravascular ultrasound (IVUS), and fractional flow reserve (FFR) measurements with provocative testing using adenosine and/or dobutamine infusions...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214965/surgical-correction-of-aberrant-right-coronary-anomalies-stranding-an-aortic-commissure-with-and-without-unroofing
#2
Khaled Abdelhady, Samarth Durgam, Chawki Elzein, Michel N Ilbawi, David Rhoiney, Malek G Massad
The technique for successful surgical correction of an anomalous origin of the right coronary artery from the opposite aortic cusp with an aberrant course between the aorta and pulmonary artery is illustrated in a symptomatic 62-year-old woman. The intramural course of the right coronary artery traversed the tip of the commissure between the anterior and posterior leaflets, and its repair entailed unroofing of the intramural segment from inside the aortic intima. This technique required resuspension of the overlying commissure to maintain optimal aortic valve leaflet coaptation and prevent aortic insufficiency...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214964/speckle-tracking-in-alcapa-patients-after-surgical-repair-as-predictor-of-residual-coronary-disease
#3
Biagio Castaldi, Vladimiro Vida, Elena Reffo, Massimo Padalino, Queenette Daniels, Giovanni Stellin, Ornella Milanesi
Surgical re-implantation of the left coronary artery (LCA) is the treatment of choice in anomalous origin of left coronary artery from pulmonary artery (ALCAPA). Despite normalization of left ventricular function after surgery, residual coronary lesions or myocardial fibrosis may be found. The aim of this study was to detect regional left ventricular dysfunction predictive of coronary lesions or residual myocardial fibrosis using speckle tracking. We enrolled ten patients treated with surgical re-implantation of LCA for ALCAPA...
February 18, 2017: Pediatric Cardiology
https://www.readbyqxmd.com/read/28214015/anomalous-network-architecture-of-the-resting-brain-in-children-who-stutter
#4
Soo-Eun Chang, Michael Angstadt, Ho Ming Chow, Andrew C Etchell, Emily O Garnett, Ai Leen Choo, Daniel Kessler, Robert C Welsh, Chandra Sripada
PURPOSE: We combined a large longitudinal neuroimaging dataset that includes children who do and do not stutter and a whole-brain network analysis in order to examine the intra- and inter-network connectivity changes associated with stuttering. Additionally, we asked whether whole brain connectivity patterns observed at the initial year of scanning could predict persistent stuttering in later years. METHODS: A total of 224 high-quality resting state fMRI scans collected from 84 children (42 stuttering, 42 controls) were entered into an independent component analysis (ICA), yielding a number of distinct network connectivity maps ("components") as well as expression scores for each component that quantified the degree to which it is expressed for each child...
January 25, 2017: Journal of Fluency Disorders
https://www.readbyqxmd.com/read/28213744/intraductal-papillary-neoplasm-originating-from-an-anomalous-bile-duct
#5
Harufumi Maki, Taku Aoki, Takeaki Ishizawa, Mariko Tanaka, Takashi Sakatani, Yoshifumi Beck, Kiyoshi Hasegawa, Yoshihiro Sakamoto, Norihiro Kokudo
An 82-year-old woman who had been suffering from repeated obstructive jaundice for 7 years was referred to our hospital. Although endoscopic aspiration of the mucin in the common bile duct had been temporally effective, origin of the mucin production had not been detectable. The patient thus had been forced to be on long-term follow-up without curative resection. Endoscopic retrograde cholangioscopy on admission revealed massive mucin in the common bile duct. In addition, an anomalous bile duct located proximal to the gallbladder was identified...
February 17, 2017: Clinical Journal of Gastroenterology
https://www.readbyqxmd.com/read/28213145/how-are-you-feeling-a-personalized-methodology-for-predicting-mental-states-from-temporally-observable-physical-and-behavioral-information
#6
Suppawong Tuarob, Conrad S Tucker, Soundar Kumara, C Lee Giles, Aaron L Pincus, David E Conroy, Nilam Ram
It is believed that anomalous mental states such as stress and anxiety not only cause suffering for the individuals, but also lead to tragedies in some extreme cases. The ability to predict the mental state of an individual at both current and future time periods could prove critical to healthcare practitioners. Currently, the practical way to predict an individual's mental state is through mental examinations that involve psychological experts performing the evaluations. However, such methods can be time and resource consuming, mitigating their broad applicability to a wide population...
February 14, 2017: Journal of Biomedical Informatics
https://www.readbyqxmd.com/read/28212486/highly-efficient-and-anomalous-charge-transfer-in-van-der-waals-trilayer-semiconductors
#7
Frank Ceballos, Ming-Gang Ju, Samuel D Lane, Xiao Cheng Zeng, Hui Zhao
Two dimensional materials, such as graphene and monolayer transition metal dichalcogenides, allow the fabrication of multilayer structures without lattice matching restriction. A central issue in developing such artificial materials is to understand and control the interlayer electron transfer process, which plays a key role in harvesting their emergent properties. Recent photoluminescence and transient absorption measurements revealed that the electron transfer in hetero-bilayers occurs on ultrafast time scales...
February 17, 2017: Nano Letters
https://www.readbyqxmd.com/read/28212171/ability-based-emotional-intelligence-in-schizophrenia
#8
Beatrice Frajo-Apor, Alex Hofer
PURPOSE OF REVIEW: As one part of social cognition, emotional intelligence is a controversially discussed construct. Although well founded critique on the conceptualization of emotional intelligence has emerged over the last years, studies about emotional intelligence - especially the ability-based approach by Mayer and Salovey - can persistently be found in schizophrenia research. RECENT FINDINGS: Studies published between October 2015 and October 2016 were included in this review...
February 15, 2017: Current Opinion in Psychiatry
https://www.readbyqxmd.com/read/28211544/upper-critical-field-reaches-90%C3%A2-tesla-near-the-mott-transition-in-fulleride-superconductors
#9
Y Kasahara, Y Takeuchi, R H Zadik, Y Takabayashi, R H Colman, R D McDonald, M J Rosseinsky, K Prassides, Y Iwasa
Controlled access to the border of the Mott insulating state by variation of control parameters offers exotic electronic states such as anomalous and possibly high-transition-temperature (Tc) superconductivity. The alkali-doped fullerides show a transition from a Mott insulator to a superconductor for the first time in three-dimensional materials, but the impact of dimensionality and electron correlation on superconducting properties has remained unclear. Here we show that, near the Mott insulating phase, the upper critical field Hc2 of the fulleride superconductors reaches values as high as ∼90 T-the highest among cubic crystals...
February 17, 2017: Nature Communications
https://www.readbyqxmd.com/read/28211457/leading-modes-of-tropical-pacific-subsurface-ocean-temperature-and-associations-with-two-types-of-el-ni%C3%A3-o
#10
Zhiyuan Zhang, Baohua Ren, Jianqiu Zheng
Using empirical orthogonal function (EOF) analysis of the monthly tropical Pacific subsurface ocean temperature anomalies (SOTA) from 1979 to 2014, we detected three leading modes in the tropical Pacific subsurface temperature. The first mode has a dipole pattern, with warming in the eastern Pacific and cooling in the western Pacific, and is closely related to traditional El Niño. The second mode has a monopole pattern, with only warming in the central Pacific subsurface. The third mode has a zonal tripole pattern, with warming in the off-equatorial central Pacific and cooling in the far eastern Pacific and western Pacific...
February 17, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28210637/anomalous-origin-of-the-left-coronary-artery-from-the-pulmonary-artery-an-uncommon-coronary-anomaly-with-serious-implications-in-adulthood
#11
Venkat Gangadharan, Kamesh Sivagnanam, Ghulam Murtaza, Michael Ponders, Otto Teixeira, Timir Paul
A 36-year-old woman was seen with complaints of exertional chest pain and shortness of breath. Her medical history included atrial fibrillation and diabetes. Physical examination was unremarkable except for an irregular cardiac rhythm. Myocardial perfusion imaging revealed the presence of a large area of infarction involving the entire anterior and apical walls and part of the anteroseptal wall with minimal periinfarct ischemia. Computed tomography coronary angiogram revealed an anomalous left main coronary artery arising from the main pulmonary artery...
January 2017: Journal of Investigative Medicine High Impact Case Reports
https://www.readbyqxmd.com/read/28208910/anomalous-single-coronary-artery-presenting-with-acute-myocardial-infarction
#12
Vamsi Krishna Kamana, Padmakumar Ramachandran, Anand Muthu Krishnan, Ravella Keerthika Chowdary, Umesh Pai Malpe
The anomalous origin of the entire coronary system from the right coronary sinus is a very rare anomaly. Here a patient with this rare anomaly, who developed acute coronary syndrome, requiring revascularization, is presented and treated successfully. His coronary angiographic findings are also discussed. We would like to highlight the rarity of the origin of all 3 coronary arteries from a single coronary trunk. The case also highlights the importance of using Amplantzer AR1 guiding catheter for such anatomical variations arising in the right coronary cusp...
December 2016: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28208489/prediction-of-the-moments-in-advection-diffusion-lattice-boltzmann-method-ii-attenuation-of-the-boundary-layers-via-double-%C3%AE-bounce-back-flux-scheme
#13
Irina Ginzburg
Impact of the unphysical tangential advective-diffusion constraint of the bounce-back (BB) reflection on the impermeable solid surface is examined for the first four moments of concentration. Despite the number of recent improvements for the Neumann condition in the lattice Boltzmann method-advection-diffusion equation, the BB rule remains the only known local mass-conserving no-flux condition suitable for staircase porous geometry. We examine the closure relation of the BB rule in straight channel and cylindrical capillary analytically, and show that it excites the Knudsen-type boundary layers in the nonequilibrium solution for full-weight equilibrium stencil...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208411/minimal-model-for-anomalous-diffusion
#14
Eirik G Flekkøy
A random walk model with a local probability of removal is solved exactly and shown to exhibit subdiffusive behavior with a mean square displacement the evolves as 〈x^{2}(t)〉∼t^{1/2} at late times. This model is shown to be well described by a diffusion equation with a sink term, which also describes the evolution of a pressure or temperature field in a leaky environment. For this reason a number of physical processes are shown to exhibit anomalous diffusion. The presence of the sink term is shown to change the late time behavior of the field from 1/t^{1/2} to 1/t^{3/2}...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28208325/one-loop-diagrams-in-the-random-euclidean-matching-problem
#15
Carlo Lucibello, Giorgio Parisi, Gabriele Sicuro
The matching problem is a notorious combinatorial optimization problem that has attracted for many years the attention of the statistical physics community. Here we analyze the Euclidean version of the problem, i.e., the optimal matching problem between points randomly distributed on a d-dimensional Euclidean space, where the cost to minimize depends on the points' pairwise distances. Using Mayer's cluster expansion we write a formal expression for the replicated action that is suitable for a saddle point computation...
January 2017: Physical Review. E
https://www.readbyqxmd.com/read/28207770/embarras-de-richesses-it-is-not-good-to-be-too-anomalous-accurate-structure-of-selenourea-a-chiral-crystal-of-planar-molecules
#16
Zhipu Luo, Zbigniew Dauter
Selenourea, SeC(NH2)2, recently found an application as a derivatization reagent providing a significant anomalous diffraction signal used for phasing macromolecular crystal structures. The crystal structure of selenourea itself was solved about 50 years ago, from data recorded on films and evaluated by eye and refined to R = 0.15 with errors of bond lengths and angles about 0.1 Å and 6°. In the current work this structure is re-evaluated on the basis of synchrotron data and refined to R1 = 0.021 with bond and angle errors about 0...
2017: PloS One
https://www.readbyqxmd.com/read/28207465/two-rare-variants-of-left-vertebral-artery
#17
Rajani Singh
Though the variations of vertebral artery are clinically asymptomatic yet abnormalities are of diagnostic importance either prior to vascular surgery in the neck region or in patients of intravascular diseases such as arteriovenous malformations or cerebral aneurysms. Therefore, the aim of the study is to bring out 2 variations in the configuration of vertebral artery and their clinical implication. During dissection of thorax of 2 female cadavers, 2 different variants of configurations of left vertebral arteries were observed...
February 15, 2017: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/28206781/cognitive-control-and-associated-neural-correlates-in-adults-with-spina-bifida-myelomeningocele
#18
Ashley L Ware, Paulina A Kulesz, Jenifer Juranek, Paul T Cirino, Jack M Fletcher
OBJECTIVE: Accelerated aging can occur in adult survivors of neurodevelopmental disorders, but has been narrowly studied in spina bifida myelomeningocele (SBM). Since discrete aspects of cognitive control and related neural network macrostructure deteriorate in normal aging, the specificity and trajectory of cognition and neuropathology incurred across adulthood in SBM were examined. METHOD: Adults (N = 120) with and without SBM completed working memory span and manipulation tasks, and an inhibitory control task...
February 16, 2017: Neuropsychology
https://www.readbyqxmd.com/read/28205603/influences-of-volcano-eruptions-on-asian-summer-monsoon-over-the-last-110-years
#19
Liang Ning, Jian Liu, Weiyi Sun
Asian summer monsoon (ASM) precipitation is the primary water resource for agriculture in many Asian countries that have experienced rapid economic growth in recent decades, thus implying the necessity for further investigations on both the internal variability of the ASM and the influence of external factors on the ASM. Using long-term high-resolution (0.5° × 0.5°) observed precipitation data, contrary to previous studies on inter-annual timescale, we showed that over the last 110 years, volcanic eruptions have influenced ASM variations on an inter-decadal timescale via teleconnections with the Atlantic Multi-decadal Oscillation (AMO)...
February 16, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28205472/dynamic-ulnar-drift-of-single-digit-by-an-anomalous-accessory-extensor-tendon
#20
James R A Smith, Rouin Amirfeyz
Descriptions of multiple extensor slips and accessory extensor tendons of the hand are extensively published in the contemporary literature. Despite their varied anatomy, accessory tendons seldom have a functional implication for the patient. We report a case detailing a previously undescribed accessory extensor tendon of the hand, which resulted unusually in an aberration in the mechanics of a single digit. This was explored and corrected surgically, resulting in an excellent outcome for the patient.
March 2017: Journal of Hand Surgery Asian-Pacific Volume
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