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Research Article

Repeat Endoscopy Affects Patient Management in Gastrointestinal Graft-Versus-Host Disease

Ehsan Shabbir, Umar Farooq, Burhan Yanes, Margarida Magalhaes-Silverman
Pages: 69 - 73
Graft versus host disease (GVHD) of the gut is associated with significant morbidity and mortality after allogeneic hematopoietic cell transplant (allo-HCT). No guidelines exist regarding repeat endoscopy after failure of first-line treatment with steroids. We aimed to study if repeat endoscopic biopsy...

A Sales Forecasting Model for the Consumer Goods with Holiday Effects

Mu Zhang, Xiao-nan Huang, Chang-bing Yang
Pages: 69 - 76
In reality, there are so-called holiday effects in the sales of many consumer goods, and their sales data have the characteristics of double trend change of time series. In view of this, by introducing the seasonal decomposition and ARIMA model, this paper proposes a sales forecasting model for the consumer...

Morbidity and Mortality Patterns in Children Admitted to Hospital in Thai Binh, Vietnam: A Five-year Descriptive Study with a Focus on Infectious Diseases

Thi Dung Pham, Van Thuan Hoang, Thi Loi Dao, Xuan Duong Tran, Duc Long Phi, Minh Manh To, Van Nghiem Dang, Van Khoi Dang, Thanh Tung Dao, Nam Thang Nguyen, Thi Thuy Vu, Duc Thanh Nguyen, Duy Cuong Nguyen, Nang Trong Hoang, Thanh Liem Vu, Thi Minh Chinh Nguyen, Philippe Minodier, Philippe Gautret
Pages: 69 - 75
The objective of this study was to describe the overall pattern of morbidity and mortality of children seen at the Thai Binh Paediatric Hospital in Vietnam, with a focus on infectious diseases. A retrospective review of hospitalisation records was conducted from 1 January 2015 to 31 December 2019. Data...

Stanley Decomposition for Coupled Takens–Bogdanov Systems

David Mumo Malonza
Pages: 69 - 85
We use an algorithm based on the notion of transvectants from classical invariant theory in determining the form of Stanley decomposition of the ring of invariants for the coupled Takens–Bogdanov systems when the Stanley decompositions of the Jordan blocks of the linear part are known at each stage....

Red Blood Cell Distribution Width: Another Prognostic Factor for COVID-19?

Maria Lagadinou, Despoina Gkentzi, Markos N. Marangos, Fotini Paliogianni, Elena E. Solomou
Pages: 69 - 71
The coronavirus disease 2019 (COVID-19) is a pandemic with a high rate of hospitalization, admission to intensive care units, and mortality. Identifying patients at the highest risk for severe disease is important to facilitate early, aggressive intervention. High red blood cell distribution width (RDW)...
Research Article

Radial Pulse Wave Analysis in Young Male Elite Athletes

Fernando Clara, José Alfie, Gustavo Blanco, Cecilia Resina, Meschino Gustavo, Mariana Fita
Pages: 69 - 74
Background: Indicators obtained from the analysis of the radial pulse wave allow an indirect evaluation of the interaction between cardiac ejection and arterial walls. Objectives: To analyze the characteristics of the arterial pulse in young elite athletes through a cross-sectional observational study. Methods:...
Research Article

Exchange Rate Dynamics and Trade Balance in Selected African Countries

Mohammed Shuaibu, Abdulrasheed Isah
Pages: 69 - 83
African countries have over the years experienced persistent current account deficits. The role of asymmetries in explaining the response of trade balance to exchange rate movement has not received adequate attention as linear models dominate extant empirical literature. In this paper, we examined the...

On μ-symmetries, μ-reductions, and μ-conservation laws of Gardner equation

Özlem Orhan, Özer Teoman
Pages: 69 - 90
In this study, we represent an application of the geometrical characterization of μ-prolongations of vector fields to the nonlinear partial differential Gardner equation with variable coefficients. First, μ-symmetries and the corresponding μ-symmetry classification are investigated and then μ-reduction...
Conference Abstract

P.074 EFFECT OF SMOKING ON ARTERIAL STIFFNESS IN PATIENTS WITH WHITE COAT HYPERTENSION

S.-M. Kyvelou, C. Vlachopoulos, G. Vyssoulis, P. Pietri, P. Spanos, K. Baou, P. Xaplanteris, C. Stefanadis
Pages: 69 - 70
Conference Abstract

P57 ASSESSMENT OF PULSE WAVE VELOCITY AND ASSOCIATION TO TARGET ORGAN DAMAGE IN TREATMENT-NAïVE HYPERTENSIVE PATIENTS: A COMPARISON OF SPHYGMOCOR AND MOBIL-O-GRAPH

Enrique Rodilla, Jose Antonio Costa, Francisco Perez, Carmen Gonzalez, Jose Maria Pascual
Pages: 69 - 70
Introduction: Comparison of Mobil-O-Graph® with SphygmoCor® exclusively in treatment- naïve hypertensives has never been done. Aims of the study were to assess 1) intra- device agreement between both methods, 2) inter-device agreement between two surface measurements of SC (subtracted distance (cfPWVsub))...
Conference Abstract

9.6 VENTRICULAR VOLUME AND ARTERIAL FLOW DURING PRELOAD REDUCTION: AN MRI STUDY

Sandra Neumann, Gergely Szantho, Emma C. Hart, Nathan E. Manghat, Mark S. Turner, Mark C.K. Hamilton
Pages: 69 - 69
Lower body negative pressure (LBNP) has been used to assess the cardiovascular effect of preload reduction. We are the first to use MRI to investigate ventricular volumes and great vessel flow during LBNP. 13 volunteers (23–47 years) underwent LBNP at 0, −5 and −20mmHg. We acquired contiguous short...
Conference Abstract

2.2 GREATER BLOOD PRESSURE VARIABILITY IS ASSOCIATED WITH LOWER COGNITIVE PERFORMANCE – THE MAASTRICHT STUDY

Tan Lai Zhou, Abraham Kroon, Coen Stehouwer, Martin van Boxtel, Frans Verhey, Miranda Schram, Thomas van Sloten, Ronald Henry
Pages: 69 - 70
An increasing number of individuals will face age-related cognitive difficulties, as life expectancy has increased globally. It is therefore important to identify modifiable risk factors for cognitive impairment. Very short- to mid-term blood pressure variability (BPV) may be such factor, as it may cause...
Conference Abstract

P56 ASSOCIATION BETWEEN URIC ACID AND CARDIAC, VASCULAR AND RENAL TARGET ORGAN DAMAGE IN HYPERTENSIVES SUBJECTS

Alessandro Maloberti, Marisa Varrenti, Nicola Triglione, Lucia Occhi, Francesco Panzeri, Marta Alloni, Luca Giupponi, Paola Vallerio, Matteo Casati, Guido Grassi, Giuseppe Mancia, Cristina Giannattasio
Pages: 69 - 69
Background: To date no definitive results exist about the relationship of Serum Uric Acid (SUA) and TOD in HT subjects. We sought to determine if such an association exist between SUA and subclinical cardiac, vascular and renal alterations in HT. Methods: We enrolled 632 consecutive outpatients, followed...
Conference Abstract

9.5 COAGULATION CONTROL BY THE RHOA PATHWAY AND THE EXCHANGE FACTOR ARHGEF1

Camille Rouillon, Amel Mohammadi, Gervaise Loirand, Veronique Regnault, Patrick Lacolley
Pages: 69 - 69
Platelet activation by thrombin is an auto-amplification loop of thrombin generation, a major factor in the formation of atherosclerotic plaques. The small G protein RhoA, under the direct control of the exchange factor Arhgef1, modulates several cellular functions in inflammation. The objective was...
Conference Abstract

P.071 METABOLIC SYNDROME DEFINITIONS AND VASCULAR PHENOTYPE

E.A. Ellins, A.E. Donald, E. Brunner, D. Witte, M. Shipley, S. O’Meagher, J.E. Deanfield, J.P. Halcox
Pages: 69 - 69
Conference Abstract

2.1 KNOCK-OUT OF MATRIX METALLOPROTEINASE-12 EXACERBATES COMPROMISED MECHANICAL HOMEOSTASIS IN ARTERIAL AGING

Bart Spronck, Abhay B. Ramachandra, Jakub Toczek, Jinah Han, Mehran Sadeghi, Jay D. Humphrey
Pages: 69 - 69
Background: Matrix metalloproteinase-12 (MMP12) may modulate arterial stiffening with age [1]. We aimed to study the effect of aging on biaxial arterial stiffness in wild-type (WT) and MMP12 knock-out (MMP12-/-) mice. Methods and Results: After euthanasia, descending thoracic (DTA) and suprarenal abdominal...
Conference Abstract

P55 TARGET ORGAN DAMAGE AND BLOOD PRESSURE VARIABILITY IN HYPERTENSION

Dimitrios Terentes-Printzios, Charalambos Vlachopoulos, Athanasios Angelis, Nikolaos Loakeimidis, Panagiotis Xaplanteris, Christos Georgakopoulos, Evangelia Sigala, Losif Koutagiar, Angeliki Rigatou, Dimitrios Tousoulis
Pages: 69 - 69
Purpose/Background/Objectives: Hypertension is associated with several markers of subclinical target organ damage (TOD). Short-term blood pressure variability (SBPV) is a prognostic factor for cardiovascular events in hypertensives. We hypothesised that there is a relationship between SBPV and TOD in...
Conference Abstract

9.4 EVOLUTION OF CARDIAC FUNCTION AND METABOLISM DURING AGING IN A MURINE ANIMAL MODEL OF OBESITY

Delphine Lambert, Fatiha Maskali, Sylvain Poussier, Alexandra Clement, Jean-Loup Machu, Pierre-Yves Marie, Patrick Lacolley, Athanase Benetos, Laure Joly
Pages: 69 - 69
Purpose/Background/Objectives: Obesity is a well-known risk factor of cardiovascular diseases and a potentially modifiable determinant of arterial ageing. The objectives of this experimental study were to assess the effects of a long-term high fat diet (HFD) on metabolism, adipose tissues and phenotypes...

Knee Android Model Reproducing Internal-External Rotation with Screw-Home Movement of the Human Knee

Daichi Yamauchi, Sho Takei, Noritaka Sato, Yoshifumi Morita
Pages: 69 - 73
This paper proposes a knee android model (Knee-AM) that can reproduce the internal-external rotation with screw-home movement (SHM) of the human knee. This rotation of the Knee-AM was realized by changing the number, lengths, and fixing points of the nylon-cords of our previous Knee-AM. Moreover, when...

A Traffic Flow Theory Aided Physical Measurement-Based Sybil Nodes Detection Mechanism in Vehicular Ad-hoc Networks

Dongxu Jin, JooSeok Song
Pages: 69 - 78
In Vehicular Ad-hoc Networks, security is a important issue. In the past years, several approaches have been proposed for solving Sybil attack. In this paper a novel scheme to detect the Sybil nodes is presented. The proposed scheme utilizes unmodifiable physical measurements of beacon messages. To increase...

A View on Fuzzy Systems for Big Data: Progress and Opportunities

Alberto Fernández, Cristobal José Carmona, María José del Jesus, Francisco Herrera
Pages: 69 - 80
Currently, we are witnessing a growing trend in the study and application of problems in the framework of Big Data. This is mainly due to the great advantages which come from the knowledge extraction from a high volume of information. For this reason, we observe a migration of the standard Data Mining...

Adaptive Multiple-Model Control of A Class of Nonlinear Systems

Chao Yang, Yingmin Jia
Pages: 69 - 72
In this paper, an adaptive multiple-model controller is developed for nonlinear systems in parametric-strict-feedback form. Unlike the previous results, a switching scheme is not required here to switch the most appropriate model into the controller design. The new scheme reduces the number of identification...

Moyal Deformation of 2D Euler Equation and Discretization

Partha Guha
Pages: 69 - 76
In this paper we discuss the Moyal deformed 2D Euler flows and its Lax pairs. This in turn yields the semi-discrete version of 2D Euler equation.

Calogero­Moser Systems and Super Yang­Mills with Adjoint Matter

Eric d'Hoker, D.H. Phong
Pages: 69 - 78
We review the construction of Lax pairs with spectral parameter for twisted and utwisted elliptic Calogero-Moser systems defined by a general simple Lie algebra G, and the corresponding solution of N = 2 SUSY G Yang-Mills theories with a hypermultplet in the adjoint representation of G.

Variational Symmetry in Non-integrable Hamiltonian Systems

Umeno Ken
Pages: 69 - 77
We consider the variational symmetry from the viewpoint of the non-integrability criterion towards dynamical systems. That variational symmetry can reduce complexity in determining non-integrability of general dynamical systems is illustrated here by a new non-integrability result about Hamiltonian systems...

Alternate Derivation of the Critical Value of the Frank-Kamenetskii Parameter in Cylindrical Geometry

Charis Harely, Ebrahim Momoniat
Pages: 69 - 76
Noether’s theorem is used to determine first integrals admitted by a generalised Lane-Emden equation of the second kind modelling a thermal explosion. These first integrals exist for rectangular and cylindrical geometry. For rectangular geometry the first integrals show the symmetry of the temperature...

Fuzzy Relational Fixed Point Clustering

Roelof K. Brouwer
Pages: 69 - 82
The proposed relational fuzzy clustering method, called FRFP ( fuzzy relational fixed point), is based on determining a fixed point of a function of the desired membership matrix. The ethod is compared to other relational clustering methods. Simulations show the method to be very effective and less computationally...

Research on Risk Assessment and Regionalization of Forest and Grassland Fires

Xinghua Li, Wenjie Wu, Dibo Lv, Cunhou Zhang
Pages: 69 - 77
The hazard risk and disaster degree of damage was confirmed about the forest and grassland fire in Inner Mongolia by the occurrence rule of fires, distribution of high temperature points, characteristic of distribution of vegetation types, and the extent of road coverage. Production of risk assessment...
Research Article

Gender-differences in prevalence and outcome of ischemic stroke and promoting factors of atrial thrombi

Karsten Keller, Martin Geyer, Thomas Münzel, Mir Abolfazl Ostad
Pages: 68 - 78
Background: Ischemic stroke is an important cause of death and disability. However, data about gender-differences in stroke are controversial. Methods: In the nationwide sample, male and female inpatients were selected by screening for ischemic stroke by ICD-Code(I63) and compared. In a second study,...

Design of a Data-Driven Multi PID Controllers using Ensemble Learning and VRFT

Takuya Kinoshita, Yuma Morota, Toru Yamamoto
Pages: 68 - 72
Data-driven control has been proposed for directly calculating control parameters using experimental data. Specifically, the Virtual Reference Feedback Tuning (VRFT) has been proposed for linear time-invariant systems. In the field of machine learning, the ensemble learning was proposed to improve the...

Focusing NLS Equations with Nonzero Boundary Conditions: Triangular Representations and Direct Scattering

Cornelis van der Mee
Pages: 68 - 89
In this article we derive the triangular representations of the fundamental eigensolutions of the focusing 1 + 1 AKNS system with symmetric nonvanishing boundary conditions. Its continuous spectrum equals 𝕉∪[-iμ,iμ] , where μ is the absolute value of the AKNS solution at spatial infinity. We...
Correspondence

Nebulizer, Inhaled Remdesivir Nanoparticle Co-administered with Withania Somnifera may Minimize the Hepatotoxicity in COVID-19

R. Velmurugan, P. Manoj Kumar, Keerthi G.S. Nair
Pages: 68 - 70
Remdesivir is a broad spectrum antiviral agent meant to inhibit viral RNA polymerases against members of several virus families, including filoviruses. Although reported for significant clinical improvements in COVID-19, a detailed observation of the connection with the drawbacks of remdesivir therapy...

A Formal Model of Distributed Security for Electronic Commerce Transactions Systems

Sylvanus A. Ehikioya, Adepele A. Olukunle
Pages: 68 - 84
Every distributed system requires a secure environment for its users. Security becomes even more important if users exchange sensitive information and value, across the network. An e-commerce environment is an example of a distributed system in which security is of a high priority. It is important that...
Conference Abstract

P.070 ARTERIAL STIFFNESS ALTERATIONS DURING HEMODIALYSIS

J. Egresits, T. El Hadj Othmane, Á. Tabák, B. Fekete, J. Nemcsik, I. Kiss, A. Tislér
Pages: 68 - 69
Conference Abstract

P.069 OSTEOPOROSIS IS ASSOCIATED WITH INCREASED AORTIC PULSE WAVE VELOCITY

B. McDonnell, A. So, C. Bolton, M. Munnery, S. Williams, Yasmin, K. Poole, W.D. Evans, C.M. McEniery, I.B. Wilkinson, J.R. Cockcroft
Pages: 68 - 68
Conference Abstract

P54 SEX DIFFERENCES IN AMBULATORY CENTRAL BLOOD PRESSURE AND PULSE WAVE REFLECTIONS IN UNTREATED PATIENTS

Bernhard Hametner, Christopher Clemens Mayer, Katy Whitelegg, Thomas Weber, Peter Fitscha, Siegfried Wassertheurer
Pages: 68 - 69
Objectives: Sex differences for parameters of arterial wave reflection and arterial stiffness were reported from single office measurements, but circadian patterns were not extensively investigated up to now. The aim of this study was to determine sex differences between day and night values of ambulatory...
Conference Abstract

9.3 FUNCTIONAL AORTIC CHANGES INDUCED BY A HIGH SALT DIET

Kathleen Connolly, Mark Butlin, Bart Spronck, Carmel McEniery, Alberto Avolio, Ian Wilkinson
Pages: 68 - 69
Objective: This study examines effects of high salt diet on arterial blood pressure and aortic function in rats. Methods: Sprague-Dawley rats were fed either high salt content chow or normal chow from weaning. Weight, tail-cuff systolic blood pressure (SBP), water and food intake, and urine output were...
Conference Abstract

1.6 AORTIC PULSE WAVE VELOCITY IN PORTUGUESE CHILDREN AND ADOLESCENTS – RESULTS FROM THE PORTUGUESE VASCULAR PHENOTYPE IN CHILDREN AND ADOLESCENTS (PORT-VASPH) COHORT

Telmo Pereira, João Maldonado, Margarida Carvalho
Pages: 68 - 69
Introduction: The PORT-VASPh Cohort was designed to contribute to a better understanding of vascular function in children and adolescents, mostly focusing PWV and other complementary aspects of arterial hemodynamics. Methods: The PORT-VASPh cohort is a prospective and observational study, with 953 children...
Conference Abstract

P47 TETRAHYDROBIOPTERIN AND MARKERS OF OXIDATIVE STRESS IN A YOUNG BI-ETHNIC POPULATION: THE AFRICAN-PREDICT STUDY

Hugo Huisman, Carina Mels, Johannes Van Rooyen, Ruan Kruger, Carla Fourie, Lebo Gafane, Wayne Smith, Alta Schutte
Pages: 68 - 68
Background/Objectives: Tetrahydrobiopterin (BH4) is a cofactor for nitric oxide synthase (NOS). Oxidative stress, reported in black populations (1), may lead to the oxidation of BH4, the uncoupling of eNOS, decreased NO and increased superoxide levels (2,3). We compared BH4 and markers of oxidative stress...
Conference Abstract

9.2 DELETION OF CHROMOSOME 9P21 NONCODING CARDIOVASCULAR RISK INTERVAL IN MICE INDUCES A PROTHROMBOTIC PHENOTYPE

Amel Mohamadi, Mustapha Bourhim, Gemma Basatemur, Huguette Louis, Athanase Benetos, Patrick Lacolley, Ziad Mallat, Veronique Regnault
Pages: 68 - 68
Background: SNPs on chromosome 9p21.3 risk locus have been associated with cardiovascular diseases. We have established a direct mechanistic link between 9p21 noncoding risk interval and susceptibility to aneurysm in a mouse model with a targeted deletion of the 9p21 noncoding cardiovascular disease...
Conference Abstract

1.5 DEEP VASCULAR PHENOTYPING IN PATIENTS WITH FIBROMUSCULAR DYSPLASIA

Rosa Maria Bruno, Louise Marais, Hakim Khettab, Aurélien Lorthioir, Xavier Jeunemaitre, Stèphane Laurent, Pierre Boutouyrie, Michel Azizi
Pages: 68 - 68
Background: Fibromuscular dysplasia (FMD) is a non-atherosclerotic, non-inflammatory vascular disease involving medium-sized muscular arteries, whose pathophysiology is still unknown. Objectives: We aimed at identifying systemic vascular alterations in usually non-affected arteries of patients with...
Conference Abstract

P68 THE HIDDEN PREDICTOR OF CARDIOVASCULAR OUTCOME

José Sousa, João Lopes, Liliana Reis, Marta Madeira, Carolina Lourenço, Lino Gonçalves
Pages: 68 - 68
Background: Hyperuricemia is common in patients with hypertension, diabetes and obesity. Whether it is an independent cardiovascular risk factor (CVRF) or not remains controversial. Purpose: To determine the prognostic value of uricemia in the setting of acute coronary syndrome (ACS). Methods: Retrospective...
Conference Abstract

P46 ARTERIAL STIFFNESS IN RELATION TO BIRTH CHARACTERISTICS IN THE JAMAICAN 1986 BIRTH COHORT

Nadia Bennett, Trevor Ferguson, Novie Younger-Coleman, Marshall Tulloch-Reid, Renee Walters, Amanda Rousseau, Janeil Williams, Seeromanie Harding, J. Kennedy Cruickshank, Rainford Wilks
Pages: 68 - 68
Background: We tested the association between birthweight and arterial stiffness measured by aortic pulse wave velocity (PWV) and cardio-ankle vascular index (CAVI) in a birth cohort of 30 year old Jamaicans. Methods: Participants were from the 1986 Jamaica Birth Cohort. Arterial stiffness was measured...
Conference Abstract

9.1 ULTRASOUND CHARACTERIZATION OF CARDIOVASCULAR ALTERATIONS IN YOUNG OB/OB MICE

Nicole Di Lascio, Claudia Kusmic, Francesco Stea, Francesco Faita
Pages: 68 - 68
Obesity is associated with diabetes and an increased cardiovascular risk. Leptin-deficient mice (ob/ob) are used as model of metabolic disease: they are characterized by obesity and insulin-resistance. Aim of this work is to identify early cardiovascular alterations in young ob/ob mice using micro-ultrasound...
Conference Abstract

P.066 PERIPHERAL VASCULAR DISEASE IS ASSOCIATED WITH INCREASED AORTIC STIFFNESS

S.M.L. Wallace, B. McDonnell, M. Munnery, K.M. Maki-Petaja, J. Cheriyan, C.M. McEniery, S. Hill, J. Cockcroft, K. Varty, I. Wilkinson
Pages: 68 - 68
Conference Abstract

1.4 PROGNOSTIC VALUE OF PROXIMAL AORTA LONGITUDINAL STRAIN IN MARFAN SYNDROME

Andrea Guala, Jose Rodríguez-Palomares, Aroa Ruiz-Muñoz, Minerva Gandara, Violeta Sanchez, Alberto Forteza, David Garcia-Dorado, Artur Evangelista, Gisela Teixido-Tura
Pages: 68 - 68
Background: Aortic root dilation and type A aortic dissection are the most common cardiovascular complications of Marfan syndrome (MFS). Current clinical management of MFS patients relies on a close follow-up of aortic root diameter and preventive aortic root surgery in case of severe or fast-progressing...