Search all articles
8183 articles
Research Article
On the Properties of Estimates of Monotonic Mean Vectors for Multivariate Normal Distributions
Abouzar Bazyari
Pages: 89 - 106
.Problems concerning estimation of parameters and determination the statistic, when it is known a priori that some of these parameters are subject to certain order restrictions, are of considerable interest. In the present paper, we consider the estimators of the monotonic mean vectors for two dimensional...
Research Article
Code Coverage Visualization on Web-Based Testing Tool for Java Programs
Mochamad Chandra Saputra, Tetsuro Katayama
Pages: 89 - 93
The visualization of statement coverage (C0) and branch coverage (C1) measurement output can be used in several ways to improve the verification and validation process. The result displays are percentage of a successful tested code and visual information with highlighted in bright green as information...
Research Article
Symmetries of Vector Exterior Differential Systems and the Inverse Problem in Second-Order Ostrograds'kii Mechanics
R.Ya. Matsyuk
Pages: 89 - 97
Symmetries for variational problems are considered as symmetries of vector-valued exterior differential systems. This approach is applied to equations for the classical spinning particle.
Research Article
Towards the Applied Hybrid Model in Decision Making: A Neuropsychological Diagnosis of Alzheimer's Disease Study Case
Ana Karoline Araujo de Castro, Placido Rogério Pinheiro, Mirian Caliope Dantas Pinheiro, Isabelle Tamanini
Pages: 89 - 99
A hybrid model, combining influence diagrams and a multicriteria method, is presented in order to assist with the decision making process about which questions would be more attractive to the definition of the diagnosis of Alzheimer's disease, considering the stages of Clinical Dementia Rating. The modeling...
Research Article
On Periodic Water Waves with Coriolis Effects and Isobaric Streamlines
Anca-Voichita Matioc, Bogdan-Vasile Matioc
Pages: 89 - 103
In this paper we prove that solutions of the f-plane approximation for equatorial geophysical deep water waves, which have the property that the pressure is constant along the streamlines and do not possess stagnation points, are Gerstner-type waves. Furthermore, for waves traveling over a flat bed,...
Research Article
Real-time Multi-Agents Architecture for E-commerce Servers
Sylvanus A. Ehikioya, Cong Zhang
Pages: 88 - 98
Electronic commerce applications have strict timing constraints on the interactions between e-commerce servers and customers. Customers prefer real-time services, which mean immediate response from the server shortly after submission of a request. This trend of demand gives e-commerce servers high pressure,...
Research Article
Outcomes of Guillain–Barré Syndrome Patients Admitted to Intensive Care Unit in Tertiary Care Hospital
Muhammad Ijaz, Faheemullah Khan, Muhammad Jaffar Khan, Asadullah Khan, Wiqar Ahmad, Iftikhar Ali
Pages: 88 - 94
Despite the availability of plasmapheresis and intravenous immunoglobulin, the mortality and long-term morbidity from Guillain–Barré Syndrome (GBS) remains significant. This study aimed to determine the short-term outcomes in patients with GBS admitted to an intensive care unit. A total of 27 patients...
Journal: Artery Research
Research Article
Relationship between QRS characteristics and delayed-enhancement cardiac magnetic resonance in patients with ischemic cardiomyopathy
Gaston A. Rodriguez-Granillo, Carlos Ingino, Carolina Parada-Villavicencio, Pedro Lylyk
Pages: 88 - 97
Background: We explored the relationship between QRS characteristics and myocardial phenotype by delayed-enhancement cardiac magnetic resonance (DE-CMR) in patients with coronary heart disease (CHD).
Methods and results: Eighty five consecutive patients with CHD that were referred for DE-CMR evaluation...
Research Article
Underwater Image Restoration and Enhancement via Residual Two-Fold Attention Networks
Bo Fu, Liyan Wang, Ruizi Wang, Shilin Fu, Fangfei Liu, Xin Liu
Pages: 88 - 95
Underwater images or videos are common but essential information carrier for observation, fishery industry and intelligent analysis system in underwater vehicles. But underwater images are usually suffering from more complex imaging interfering impacts. This paper describes a novel residual two-fold...
Journal: Journal of African Trade
Research Article
Reaping the AfCFTA Potential Through Well-Functioning Rules of Origin
Komi Tsowou, Junior Davis
Pages: 88 - 102
The African Continental Free Trade Area (AfCFTA) Rules of Origin (RoOs) determine the conditions for the application of the Agreement’s tariff preferences. The effectiveness of existing preferential trade agreements within the continent is undermined by heterogeneous RoO regimes and costly trade facilitation...
Perspective
Estimating the Incidence of SARS-CoV-2 Cases in Belize Based on Mortality Rate
Paul Morgan, Cyleen Morgan, Chieh-Wen Ed Hsu, Biru Yang
Pages: 88 - 92
Developing countries such as Belize have been facing profound challenges in their quest to effectively track cases of Coronavirus Disease 2019 (COVID-19) and contain the pandemic within their own territory. We assume that at the heights of a COVID-19 wave the number of daily reported cases are substantially...
Journal: Artery Research
Conference Abstract
04.02 EXAMINATION OF EFFECTS OF TNF-ALPHA ANTAGONISTS ON ARTERIAL STIFFNESS IN PATIENTS WITH RHEUMATOID ARTHRITIS AND RELATED ARTHROPATHIES: A CONTROLLED STUDY
K. Angel, S. Provan, T.K. Kvien, D. Atar
Pages: 88 - 89
Journal: Artery Research
Conference Abstract
P95 EFFECT OF CHRONIC INFLAMMATION INHIBITION WITH SALSALATE ON AORTIC STIFFNESS AND VASCULAR ENDOTHELIAL FUNCTION IN OLDER ADULTS: A RANDOMIZED CONTROLLED STUDY
Gary Pierce, Lyndsey DuBose, Amy Stroud, Nicholas Jensen, Lauren Wegman-Points, Seth Holwerda, William Haynes, Kaitlyn Dubishar, Jess Fiedorowicz
Pages: 88 - 89
Chronic activation of the proinflammatory transcription factor nuclear factor kappa-B (NFkB) is linked to age-associated vascular dysfunction. Acute inhibition of NFkB with high-dose salsalate (>4g), a non-acetylated salicylate known to block NFkB activation, improves aortic stiffness and endothelial...
Journal: Artery Research
Conference Abstract
04.01 EFFECT OF EXTRAVASCULAR COMPRESSION AND RELAXATION ON CORONARY HAEMODYNAMICS
N. Hadjiloizou, J.E. Davies, A.J. Baksi, D.P. Francis, K. Parker, A. Hughes, J. Mayet
Pages: 88 - 88
Journal: Artery Research
Conference Abstract
P32 DETERMINING CARDIAC AND ARTERIAL CONTRIBUTIONS TO CENTRAL PULSE PRESSURE
Samuel Vennin, Ye Li, Marie Willemet, Henry Fok, Haotian Gu, Peter Charlton, Jordi Alastruey, Phil Chowienczyk
Pages: 88 - 89
We examined the ability of a simple reduced model comprising a proximal characteristic impedance linked to a Windkessel element to accurately predict central Pulse Pressure (PP) from aortic blood flow, verified that parameters of the model corresponded to physical properties, and applied the model to...
Journal: Artery Research
Conference Abstract
P94 DAPAGLIFLOZIN ACUTELY RESTORES ENDOTHELIAL DYSFUNCTION, REDUCES AORTIC STIFFNESS AND RENAL RESISTIVE INDEX IN TYPE 2 DIABETIC PATIENTS: A PILOT STUDY
Rosa Maria Bruno, Livia Giannini, Marta Seghieri, Edoardo Vitolo, Stefano Taddei, Lorenzo Ghiadoni, Anna Solini
Pages: 88 - 88
Objective: Sodium-glucose co-transporter-2 inhibitors reduce blood pressure and renal and cardiovascular events in patients with type 2 diabetes through not fully elucidated mechanisms. Aim of this study was to investigate whether dapagliflozin is able to acutely modify systemic and renal vascular function.
Methods:...
Journal: Artery Research
Conference Abstract
15.11 TOWARDS NONINVASIVE CARDIAC CATHETERISATION
Maarten Heusinkveld, Joost Lumens, Katherine March, Arthur Bouwman, Tammo Delhaas, Alun Hughes, Koen Reesink
Pages: 88 - 88
Journal: Artery Research
Conference Abstract
03.05 ESTIMATED CENTRAL BLOOD PRESSURE: IMPORTANCE OF RADIAL ARTERY PRESSURE WAVEFORM CALIBRATION
D. Mahieu, E.R. Rietzschel, M.L. De Buyzere, F. Verbeke, T.C. Gillebert, G. De Backer, D. De Bacquer, P. Verdonck, L.M. Van Bortel, P. Segers
Pages: 88 - 88
Journal: Artery Research
Conference Abstract
P31 DO TREATMENT INDUCED CHANGES IN ARTERIAL STIFFNESS AFFECT LEFT VENTRICULAR STRUCTURE AND FUNCTION? – A META-ANALYSIS
Koen van der Waaij, Maarten Heusinkveld, Tammo Delhaas, Abraham Kroon, Koen Reesink
Pages: 88 - 88
Background: Vascular research demonstrated that pulse wave velocity (PWV), a measure of arterial stiffness, is inherently blood pressure-dependent. Considering the hypothesised pathophysiological chain of increased arterial stiffness leading to increased blood pressure load with consequent left ventricle...
Journal: Artery Research
Conference Abstract
P93 ARE HEMODYNAMIC MEASURES ASSOCIATED WITH FRAILTY IN ELDERLY PATIENTS UNDERGOING TRANSCATHETER AORTIC VALVE IMPLANTATION?
Jeannette Goudzwaard, Marjo de Ronde-Tillmans, Nahid El Faquir, Nicolas van Mieghem, Mattie Lenzen, Peter de Jaegere, Francesco Mattace Raso
Pages: 88 - 88
Background: Aortic valve stenosis (AS) is common in the elderly and is associated with high morbidity and mortality, and leads to functional decline. The aim of this study was to investigate the possible relation between aortic stiffness, AS and frailty in older patients undergoing Transcatheter Aortic...
Journal: Artery Research
Conference Abstract
15.10 FORM FACTOR OF THE FEMORAL ARTERY: AN INVASIVE STUDY
Mathieu Jozwiak, Sandrine Millasseau, Xavier Monnet, Francois Depret, Jean-Emmanuel Alphonsine, Nathalie Richard, Pierre Attal, Jean-Louis Teboul, Denis Chemla
Pages: 88 - 88
Journal: Artery Research
Conference Abstract
03.04 MECHANICAL AND STRUCTURAL CHARACTERISTICS OF CAROTID PLAQUES: ANALYSIS BY MULTI-ARRAY ECHOTRACKING SYSTEM AND MRI
H. Beaussier, O. Naggara, D. Calvet, R. Joannides, M. Iacob, B. Laloux, E. Bozec, E. Guegan-Massardier, A. Triquenot-Bagan, I. Masson, C. Oppenheim, P. Boutouyrie, S. Laurent
Pages: 88 - 88
Journal: Artery Research
Conference Abstract
P30 A 12-WEEK EXERCISE TRAINING PROGRAM REDUCES ENDOTHELIAL DAMAGE IN RESISTANT HYPERTENSION
Susana Lopes, Catarina Garcia, Ana Gonçalves, Ilda Ribeiro, Joana Barbosa de MElo, Veronica Ribau, Daniela Figueiredo, João Viana, Susana Bertoquini, Jorge Polónia, José Mesquita-Bsstos, Alberto Alves, Fernando Ribeiro
Pages: 88 - 88
Background: Resistant Hypertension (RH) is associated with an increased risk of cardiovascular events and poor prognosis. Exercise training studies in RH patients have shown promising outcomes, nonetheless, none determine the impact of exercise on endothelial damage and repair. Circulating endothelial...
Journal: Artery Research
Conference Abstract
P92 SIMULTANEOUS INVASIVE AND NONINVASIVE MONITORING OF CENTRAL BLOOD PRESSURE ON CRITICALLY ILL PATIENTS SUFFERING FROM CARDIOGENIC SHOCK TREATED WITH IABP
Bela Benczur, Adam Nemeth, Renata Bocskei, Attila Cziraki
Pages: 88 - 88
Intraaortic balloon counterpulsation (IABP) is a method of temporary mechanical circulatory support in patients suffering from cardiogenic shock to improves the balance of myocardial oxygen supply and demand by using systolic unloading and diastolic augmentation. Arteriograph is an invasively validated...
Journal: Artery Research
Conference Abstract
15.9 MODELLING ARTERIAL PULSE PRESSURE FROM HEART RATE DURING SYMPATHETIC ACTIVATION
Bjorn van der Ster, Berend Westerhof, Wim Stok, Feras Hatib, Jos Settels, Johannes van Lieshout
Pages: 88 - 88
Research Article
Automatic Generation, Creativity, and Production of Narrative Content
Takashi Ogata
Pages: 88 - 91
In accordance with the concept of this organized session, in this presentation, we will consider the study of automatic narrative or story generation as a research field of artificial intelligence (AI) at the levels of generation, creation, and production. Firstly, we study the technologies of narrative...
Research Article
On the Renewal Risk Model with Constant Interest Force
K.K. Thampi, M.J. Jacob
Pages: 88 - 94
In this paper, we consider a renewal risk model with constant interest force for an insurance portfolio. We discuss equations for the survival probability and its Laplace-Stieltjes transforms have been obtained. We provide recursive algorithm for the upper and lower bounds for the ruin/survival probability...
Research Article
An Algal Specific Growth Rate Relation Model to Assess Dynamical Brown Tide Disasters
Shiyong Wen, Yongfeng Zhang, Wanlei Zhang, Zizhu Wang, Ye Tian, Yongjian Liu, Jianhua Zhao
Pages: 88 - 99
This paper considers the coupling effect of nutrient and temperature on algal growth. We propose an algal specific growth rate relation model to assess dynamical brown tide disasters caused by Aureococcus Anophagefferens. To verify the model, we processed data from coastal waters along Qinhuangdao, China,...
Research Article
Solitons and Deformed Lattices I
Betti Hartmann, Wojtek J. Zakrzewski
Pages: 88 - 104
We study a model describing some aspects of the dynamics of biopolymers. The models involve either one or two finite chains with a number N of sites that represent the "units" of a biophysical system. The mechanical degrees of freedom of these chains are coupled to the internal degrees of freedom through...
Research Article
Asymptotic Lattices and W-Congruences in Integrable Discrete Geometry
Adam Doliwa
Pages: 88 - 92
The asymptotic lattices and their transformations are included into the theory of quadrilateral lattices.
Research Article
LPBoost with Strong Classifiers
Jun L. Zhou, Yu K. Fang, Yan Fu, Chong J. Sun
Pages: 88 - 100
The goal of boosting algorithm is to maximize the minimum margin on sample set. Based on minimax theory, the goal can be converted into minimize the maximum edge. This idea motivates LPBoost and its variants (including TotalBoost, SoftBoost, ERLPBoost) which solve the optimization problem by linear programming....
Journal: Journal of African Trade
Research Article
Sovereign bond issues: Do African countries pay more to borrow?☆
Michael Olabisi, Howard Stein
Pages: 87 - 109
There is a new wave of external borrowing by African governments on private sovereign bond markets. The findings in this paper indicate that African economies pay higher-than-normal coupon rates on these markets; observed risk measures like agency ratings and debt to GDP ratios do not explain the deviation...
Research Article
Egyptian students’ guardians knowledge, attitude and predictors of negative attitude of epilepsy in Assiut city
Ghaydaa A. Shehata, Dalia G. Mahran
Pages: 87 - 95
Background: Epilepsy is very prevalent in Egypt, approaching 6.98 per 1000 population. This study was designed to assess the knowledge and attitudes towards epilepsy among guardians of Egyptian high school students.
Methods: A cross-sectional study was made among guardians (parents/guardians) of high...
Research Article
A retrospective analysis of meningioma in Central Texas
Ekokobe Fonkem, Jad A. Dandashi, Edana Stroberg, David Garrett, Frank S. Harris, Ibrahim M. El Nihum, James Cooper, Samantha Dayawansa, Jason H. Huang
Pages: 87 - 93
Documented meningioma cases in Central Texas (USA) from 1976 to 2013 were studied utilizing the Scott & White Brain Tumor Registry. All the cases examined were histologically diagnosed as meningiomas. Of the 372 cases, most were benign tumors (p < 0.05). A majority of the patients were females...
Research Article
A New Generalized Two-Sided Class of the Distributions Via New Transmuted Two-Sided Bounded Distribution
O. Kharazmi, M. Zargar
Pages: 87 - 102
In the present paper, we first consider a generalization of the standard two-sided power distribution so-called the transmuted two-sided distribution, and then extend proposed idea to generalized two-sided class of distributions, introduced by Korkmaz and Genç [1]. Some statistical and reliability properties...
Journal: Artery Research
Research Article
The reservoir-wave model☆
Kim H. Parker
Pages: 87 - 101
This paper is based on a talk given at the Arterial Hemodynamics: Past, Present and Future symposium in June 2016. Like the talk it is divided into three different but related parts. Part 1 describes the calculation of reservoir and excess pressure from clinical pressure waveforms measured at 5 different...
Journal: Artery Research
Research Article
Decoupling of Heart Rate and Blood Pressure: Hemodynamic Counter-regulatory Mechanisms and their Implications
Joseph Lewis Izzo, Muhammed Absar Anwar, Kalamaini Elango, Rahil Ahmed, Peter Osmond
Pages: 87 - 94
To investigate the dynamic relationships among Heart Rate (HR) and systemic hemodynamics in everyday life, we performed 24-h ambulatory pulse wave analyses (Mobil-O-Graph) in individuals with normal and elevated BP (n = 116) and in a double-blinded cross-over study where HR was varied pharmacologically...
Case Report
Convalescent Plasma Therapy in First Four Critically Ill COVID-19 Patients in Kerala, India
Nisar Karekadavath, Shinas Babu Pullichola, E. Muhammed Afsal, Anitha S.P. Prabhu, Mansoor C. Abdulla, Shahul H. Ebrahim
Pages: 87 - 91
We describe the first four coronavirus disease 2019 (COVID-19) cases in Kerala—the Indian state that reported the first COVID-19 case on January 30, 2020—who developed acute respiratory distress syndrome despite lopinavir/ritonavir and methyl prednisolone treatment. All four patients received convalescent...
Research Article
Hypergeometric Solutions to an Ultradiscrete Painlevé Equation
Christopher M. Ormerod
Pages: 87 - 102
We show that an ultradiscrete analogue of the third Painlevé equation admits discrete Riccati type solutions. We derive these solutions by considering a framework in which the ultradiscretization process arises as a restriction of a non-archimedean valuation over a field. Using this framework we may...
Journal: Artery Research
Research Article
Central Blood Pressure in Young Kendo Athletes: Implications of Combined Anaerobic and Strength Training
Masaki Yoshioka, Kaname Tagawa, Yuriko Tochigi, Tomohito Sato, Jiyeon Park, Reiko Momma, Youngju Choi, Jun Sugawara, Seiji Maeda
Pages: 87 - 92
Background: Exercise training-induced adaptation of central Blood Pressure (BP) depends on exercise mode. Kendo, a traditional Japanese martial art, is a unique exercise mode because its training encompasses anaerobic and resistance training components. However, the effects of habitual kendo training...
Perspective
Risk Perception Biases and the Resilience of Ethics for Complying with COVID-19-Pandemic-Related Safety Measures
Bako Rajaonah, Enrico Zio
Pages: 87 - 90
This perspective paper presents factors that bias COVID-19-related risk judgments and risk decisions, such as cognitive biases, affect heuristics, mental models of risk and trust. The goal is to gain knowledge about the difficulty of risk communication in inducing attitudinal and behavioral changes regarding...
Research Article
A Route to Routh — The Classical Setting
Ladislav Adamec
Pages: 87 - 107
There is a well known principle in classical mechanic stating that a variational problem independent of a configuration space variable w (so called cyclic variable), but dependent on its velocity w′ can be expressed without both w and w′. This principle is known as the Routh reduction.
In this paper,...
Journal: Artery Research
Conference Abstract
03.03 VALIDATION OF A 1D MODEL OF THE SYSTEMIC ARTERIAL TREE INCLUDING THE CEREBRAL CIRCULATION
P.G. Reymond, F. Perren, D.A. Rüfenacht, N. Stergiopulos
Pages: 87 - 88
Journal: Artery Research
Conference Abstract
P29 MECHANISMS OF VASCULAR ENDOTHELIAL GROWTH FACTOR INHIBITION INDUCED HYPERTENSION
Kaisa Maki-Petaja, Adam McGeoch, Lucy Yang, Annette Hubsch, Carmel McEniery, Fraz Mir, Parag Gajendragadkar, Nicola Ramenatte, Gayathri Anandappa, Christoph Brune, Yoeri Boink, Carola Bibiane-Schonlieb, Paul Meyer, Simon Bond, Ian Wilkinson, Duncan Jodrell, Joseph Cheriyan
Pages: 87 - 88
Introduction: Drugs targeting Vascular Endothelial Growth Factor (VEGF) signaling pathway are approved therapies for cancer. Unfortunately, VEGF inhibitors lead to hypertension in 30-80% patients. Reduced nitric oxide synthase activity and increased vascular resistance have been proposed as potential...
Journal: Artery Research
Conference Abstract
15.8 AN EXTENDED ONE-DIMENSIONAL ARTERIAL NETWORK MODEL FOR THE SIMULATION OF PRESSURE AND FLOW IN UPPER AND LOWER LIMB EXTREMITIES
Hasan Obeid, Patrick Segers, Nikos Stergiopulos, Pierre Boutouyrie, Stephane Laurent, Magid Hallab, Elie Mousseaux
Pages: 87 - 88
Journal: Artery Research
Conference Abstract
03.02 EVIDENCE OF A “COMMON” RESERVOIR PRESSURE TRANSMITTED ALONG THE LENGTH OF THE AORTA WHICH IS THE PREDOMINATE DETERMINATE OF ARTERIAL PRESSURE IN HUMANS
S.M.E. Ieng, J.E. Davies, J. Baksi, D.P. Francis, K.H. Parker, J.M. Mayet, A.D. Hughes
Pages: 87 - 87
Journal: Artery Research
Conference Abstract
P27 INVASIVE CENTRAL PULSE PRESSURE IS RELATED TO AORTIC ROOT DILATATION
Francesco Tosello, Andrea Guala, Dario Leone, Martina Bollati, Luca Sabia, Fabrizio D’Ascenzo, Claudio Moretti, Franco Veglio, Luca Ridolfi, Alberto Milan
Pages: 87 - 87
Background: Aortic root dilation is an established risk factor for aortic dissection. Despite the relations between aortic root remodeling, carotid-femoral pulse wave velocity (cfPWV) and aortic blood pressure have been advocated by several clinical studies and is supported by physical law, invasive...
Journal: Artery Research
Conference Abstract
P91 GREEN TEA EXTRACT REDUCES LIPID PROFILE, PERCENTAGE OF AORTIC AUGMENTATION INDEX AND INCREASES SOLUBLE RAGE CONCENTRATIONS IN NORMOTENSIVE PATIENTS WITH TYPE 2 DIABETES MELLITUS: A RANDOMIZED, DOUBLE-BLINDED, AND PLACEBO- CONTROLLED TRIAL
Fernando Grover Páez, Patricia Quezada Fernandez, Mariana Rodriguez de la Cerda, David Cardona Müller, Jhonatan Trujillo Quiroz, Walter Trujillo Rangel, Marycruz Barocio Pantoja
Pages: 87 - 88
Background: Type 2 diabetes mellitus is associated with premature atherosclerosis and arterial stiffening by an accumulation of advanced glycation end-products in vessel wall (1). Green tea polyphenols are considered a cardioprotective substance and may be used as an adjuvant for diabetes treatment,...
Journal: Artery Research
Conference Abstract
15.7 STUDY OF WAVE DYNAMICS OF AN EXTRA-AORTIC COUNTERPULSATION DEVICE IN A ONE-DIMENSIONAL COMPUTER MODEL OF THE ARTERIAL SYSTEM
Daime Campos Arias, Francisco Londono, Tania Rodriguez Moliner, Dimitrios Georgakopoulos, Nikos Stergiopulos, Patrick Segers
Pages: 87 - 87
Journal: Artery Research
Conference Abstract
03.01 ANALYSIS OF ARTERIAL WAVE REFLECTION PATTERNS IN A PATIENT-SPECIFIC HYDRAULIC BENCH MODEL OF THE HUMAN FOREARM
K. Van Canneyt, K. Vandekerckhove, S. Eloot, J. Kips, P. Segers, P. Verdonck
Pages: 87 - 87