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Conference Abstract

P71 TROPONIN INCREASE AND SUBENDOCARDIAL OXYGEN SUPPLY AND DEMAND IMBALANCE IN CARDIAC AMYLOIDOSIS

Lucia Salvi, Paolo Salvi, Andrea Grillo, Gianfranco Parati, Francesco Banfi, Stefano Perlini
Pages: 99 - 99
Background: The increase in troponin is a cardiac amyloidosis (CA) peculiarity. The most acclaimed hypothesis is direct toxicity of amyloid fibrils on cardiomyocytes, but a subendocardial ischemia due to discrepancy between oxygen supply and demand imbalance has not been investigated yet. Methods: 129...
Conference Abstract

P21 REDUCTION OF CARDIAC PRE-LOAD HAS ANTITHETICAL EFFECTS ON BLOOD PRESSURE AND ARTERIAL STIFFNESS: IS BLOOD PRESSURE THE MAIN DETERMINANT OF WITHIN-SUBJECT VARIATION IN PULSE WAVE VELOCITY?

Luca Faconti, Bushra Farukh, Andrii Boguslavskyi, Phil Chowienczyk
Pages: 99 - 99
Objective: Blood pressure (BP) is considered the most important determinant of within-subject variation in pulse wave velocity (PWV) and the possibility of altering arterial stiffness independently of BP is still a matter of debate. When investigating acute effects of a reduction in cardiac pre-load,...

Evaluation of A Secure Live Migration of Virtual Machines Using IPsec Implementation

Norshazrul Azman bin Sulaiman, Hideo Masuda
Pages: 99 - 108
Live migration enables administrators to perform online maintenance on host and virtual machines without interrupted service during fault occurrences. While migrating VMs between physical servers of different data centers over the network is considered, security is essential for securing the migration...

Hamiltonian Structure and Linear Stability of Solitary Waves of the Green-Naghdi Equations

Yi A. Li
Pages: 99 - 105
We investigate linear stability of solitary waves of a Hamiltonian system. Unlike weakly nonlinear water wave models, the physical system considered here is nonlinearly dispersive, and contains nonlinearity in its highest derivative term. This results in more detailed asymptotic analysis of the eigenvalue...

Periodic Motions Galore: How to Modify Nonlinear Evolution Equations so that They Feature a Lot of Periodic Solutions

F. Calogero, J-P Françoise
Pages: 99 - 125
A simple trick is illustrated, whereby nonlinear evolution equations can be modified so that they feature a lot ­ or, in some cases, only ­ periodic solutions. Several examples (ODEs and PDEs) are exhibited.

Dynamical Correlation Functions for an Impenetrable Bose Gas with Neumann or Dirichlet Boundary Conditions

Takeo Kojima
Pages: 99 - 119
We study the time and temperature dependent correlation functions for an impenetrable Bose gas with Neumann or Dirichlet boundary conditions (x1, 0) (x2, t) ±,T . We derive the Fredholm determinant formulae for the correlation functions, by means of the Bethe Ansatz. For the special case x1 = 0, we express...

22. BP VARIABILITY AS WELL AS MEAN BP FROM AMBULATORY BLOOD PRESSURE AND HOME BLOOD PRESSURE CORRELATES WELL WITH TARGET ORGAN DAMAGE IN UNTREATED HYPERTENSIVE PATIENTS

Ae-Young Her, Se-Joong Rim, Pil-Ki Min, Young Won Yoon, Bum-Kee Hong, Hyuck Moon Kwon
Pages: 99 - 99
Background: We sought to assess the relation of ambulatory blood pressure(ABP) measurement and home blood pressure(HBP) measurement with target organ damage using BP variability(BPV) as well as mean BP in untreated hypertensive patients. Methods: Seventy-nine untreated patients with hypertension(men...

21. THE ASSOCIATION OF BETWEEN CORONARY SPASM AND B-TYPE NATRIURETIC PEPTIDE AND PULSE WAVE VELOCITY

Jin Oh Na, Chang Gyu Park, Jae Hyoung Park, Cheol Ung Choi, Hong Euy Lim, Jin Won Kim, Eung Ju Kim, Seung-Woon Rha, Hong Seog Seo, Dong Joo Oh
Pages: 99 - 99
Background: Coronary spasm cause transient LV dysfunction and consequently may increase BNP by chance. However, the correlation between coronary spasm and BNP has not been verified. We investigated the association between coronary spasm and BNP and pulse wave velocity (PWV) in patients with preserved...

20. CORRELATION OF AORTIC DISTENSIBILITY WITH CORONARY ATHEROSCLEROSIS IN ANGINA PATIENTS

Gwang-Sil Kim, Young-Sub Byun, Byoung Kwon Lee, Choong-Won Goh, Kun-Joo Rhee
Pages: 99 - 99
Background: Arterial stiffness is associated with an increased risk of cardiovascular disease. However, limited evidence exists on whether arterial stiffening correlates not only with cardiovascular events, but also with subclinical atherosclerotic lesions. This study aimed to provide information on...

Building Capacity for Mortality Statistics Programs: Perspectives from the Indonesian Experience

Chalapati Rao, Yuslely Usman, Matthew Kelly, Trijuni Angkasawati, Soewarta Kosen
Pages: 98 - 102
Information on deaths by age, sex, and cause are primary inputs for health policy and epidemiological research. Currently, most developing countries lack efficient death registration systems that generate these data on a routine and timely basis. The global community is promoting initiatives to establish...
Research Article

Enhancing coronary Wave Intensity Analysis robustness by high order central finite differences

Simone Rivolo, Kaleab N. Asrress, Amedeo Chiribiri, Eva Sammut, Roman Wesolowski, Lars Ø. Bloch, Anne K. Grøndal, Jesper L. Hønge, Won Y. Kim, Michael Marber, Simon Redwood, Eike Nagel, Nicolas P. Smith, Jack Lee
Pages: 98 - 109
Background: Coronary Wave Intensity Analysis (cWIA) is a technique capable of separating the effects of proximal arterial haemodynamics from cardiac mechanics. Studies have identified WIA-derived indices that are closely correlated with several disease processes and predictive of functional recovery...
Research Article

Application of Logistic Regression Based on Maximum Likelihood Estimation to Predict Seismic Soil Liquefaction Occurrence

Idriss Jairi, Yu Fang, Nima Pirhadi
Pages: 98 - 104
Seismic soil liquefaction is one of the considerable challenges and disastrous sides of earthquakes that can generally happen in loose to medium saturated sandy soils. The in-situ cone penetration test (CPT) is a widely used index for evaluating the liquefaction characteristics of soils from different...

Enhanced Particle Swarm Optimization Based on Reference Direction and Inverse Model for Optimization Problems

Wei Li, Yaochi Fan, Qingzheng Xu
Pages: 98 - 129
While particle swarm optimization (PSO) shows good performance for many optimization problems, the weakness in premature convergence and easy trapping into local optimum, due to the ignorance of the diversity information, has been gradually recognized. To improve the optimization performance of PSO,...

Real-time Self-localization using Model-based Matching for Autonomous Robot of RoboCup MSL

Kaori Watanabe, Yuehang Ma, Hidekazu Suzuki
Pages: 98 - 102
This paper presents a self-localization technique using an omni-directional camera for an autonomous soccer robot. The position information of the robot is important for strategic behavior and cooperative operation. Therefore, we have proposed the self-localization method which generates the searching...

Clinical Characteristics and Predictors of 28-Day Mortality in 352 Critically Ill Patients with COVID-19: A Retrospective Study

Abdulrahman Alharthy, Waleed Aletreby, Fahad Faqihi, Abdullah Balhamar, Feisal Alaklobi, Khaled Alanezi, Parameaswari Jaganathan, Hani Tamim, Saleh A Alqahtani, Dimitrios Karakitsos, Ziad A Memish
Pages: 98 - 104
Background: Since the first COVID-19 patient in Saudi Arabia (March, 2020) more than 338,539 cases and approximately 4996 dead were reported. We present the main characteristics and outcomes of critically ill COVID-19 patients that were admitted in the largest Ministry of Health Intensive Care Unit (ICU)...

On a canonical nine-body problem. Integrable Ermakov decomposition via reciprocal transformations

Colin Rogers
Pages: 98 - 106
Here, a recently introduced nine-body problem is shown to be decomposable via a novel class of reciprocal transformations into a set of integrable Ermakov systems. This Ermakov decomposition is exploited to construct more general integrable nine-body systems in which the canonical nine-body system is...

Steady Internal Water Waves with a Critical Layer Bounded by the Wave Surface

Anca-Voichita Matioc
Pages: 98 - 118
In this paper we construct small amplitude periodic internal waves traveling at the boundary region between two rotational and homogeneous fluids with different densities. Within a period, the waves we obtain have the property that the gradient of the stream function associated to the fluid beneath the...
Conference Abstract

P70 FINGER-TOE PULSE WAVE VELOCITY (FTPWV) MEASURED BY POPMèTRE® DEVICE IN PATIENTS WITH ANKYLOSING SPONDYLITIS

Guillermo Alanis-Sánchez, Carlos Ramos-Becerra, Ernesto Cardona-Muñóz, Diego Castañeda-Zaragoza, David Cardona-Muller, Hakim Khettab, Stephen Laurent, Pierre Boutouyrie, Hasan Obeid, Magid Hallab, Valeria Diaz-Rizo
Pages: 98 - 99
Background: Ankylosing spondylitis (AS) is an inflammatory autoimmune disease. AS is a prototype form of spondyloarthropathies (SpA). The precise ethology of AS has not been fully understood. But Inflammation has a critical role in the pathogenesis of the disease. Extra skeletal organs may also be affected...
Conference Abstract

P20 AUGMENTATION INDEX ASSOCIATES WITH IMPAIRED EARLY VENTRICULAR EJECTION

Haotian Gu, Gerry Carr-White, John Chambers, Phil Chowienczyk
Pages: 98 - 99
Background: Previously regarded as a measure of pressure wave reflection, central augmentation index (cAI) may be influenced by the pattern of early ventricular ejection. We examined the relationship of cAI to first-phase ejection-fraction (EF1), a measure of ventricular ejection up to the time of the...
Conference Abstract

P69 RELATIONSHIP BETWEEN CAROTID INTIMA-MEDIA THICKNESS, ENDOTHELIAL FUNCTION, AORTIC STIFFNESS AND CARDIOVASCULAR EVENTS AMONG METABOLIC SYNDROME SUBJECTS

Ligita Ryliškytė, Rokas Navickas, Roma Puronaitė, Agnė Jucevičienė, Aleksandras Laucevičius
Pages: 98 - 98
Objective: The aim of this study was to evaluate predictive value of main arterial markers for cardiovascular (CV) events in subjects with metabolic syndrome (MetS). Methods: A prospective study enrolled 2728 middle-aged (53.9 ± 6.2 years old, 63% women) MetS patients of the Lithuanian High Cardiovascular...
Conference Abstract

P19 INFLUENCE OF BRACHIAL ARTERY STIFFNESS ON FLOW-MEDIATED DILATATION IN HEALTHY YOUNG AND OLDER POPULATIONS

Kunihiko Aizawa, Sara Sbragi, Alessandro Ramalli, Piero Tortoli, Francesco Casanova, Carmela Morizzo, Clare Thorn, Angela Shore, Phillip Gates, Carlo Palombo
Pages: 98 - 98
Background: Increased brachial artery (BA) stiffness has previously been shown to affect the magnitude of FMD response in patients with high cardiovascular risk. However, it is unclear whether increased BA stiffness explains the diminished FMD response typically observed in a healthy older population....
Conference Abstract

PO-36 EFFECTS OF FIXED VERSUS AUTO-TITRATING CONTINUOUS POSITIVE AIRWAY PRESSURE ON VASCULAR FUNCTION IN PATIENTS WITH RESISTANT HYPERTENSION AND OBSTRUCTIVE SLEEP APNEA

Karen Tran, R.J. Kimoff, S.S. Daskalopoulou
Pages: 98 - 99
Introduction: Obstructive sleep apnea (OSA) is a common cause of resistant hypertension. We investigated the effects of 2 modalities of positive airway pressure; fixed continuous airway pressure (fCPAP) versus auto-titrating positive airway pressure (APAP) on arterial function in subjects with resistant...
Conference Abstract

P18 THE ASSOCIATION BETWEEN METABOLIC SYNDROME COMPONENTS, ARTERIAL MARKERS OF EARLY ATHEROSCLEROSIS AND LEFT VENTRICULAR DIASTOLIC DYSFUNCTION

Svetlana Solovjova, Roma Puronaite, Aiste Jakstaite, Ligita Ryliskyte, Jelena Celutkiene, Aleksandras Laucevicius
Pages: 98 - 98
Background: The aim of the study was to evaluate the relationship between MetS components and arterial stiffness in concert with left ventricular diastolic dysfunction (LVDD) in patients with high risk of cardiovascular disease. Methods: A study was carried among 436 subjects (aged 53,8±6, 37,2% men)...
Conference Abstract

PO-35 FIRST IN MAN MEASUREMENT OF ARTERIAL STIFFNESS USING A CONNECTED BATHROOM SCALE: CALIBRATION AGAINST SPHYGMOCOR

Pierre Boutouyrie, Hakim Khettab, David Campo, Roger Yu, Nadine Buard
Pages: 98 - 98
Background: Measurement of arterial stiffness (AS) is still considered difficult. We developed a non- invasive technique to assess AS from a connected bathroom scale, based on ballistocardiography (BCG) and impedance plethysmography (IPG). Methods: We included 192 subjects and patients, 106 for calibration...
Conference Abstract

P1.25 ARTERIAL PROPERTIES IN RELATION TO GENETIC VARIATIONS IN THE ADDUCIN SUBUNITS IN A WHITE POPULATION

J. Seidlerova, J.A. Staessen, M. Bochud, T. Nawrot, N. Casamassima, L. Citterio, T. Kuznetsova, Y. Jin, P. Manunta, T. Richart, H.A. Struijker-Boudier, R. Fagard, J. Filipovsky, G. Bianchi
Pages: 98 - 98
Conference Abstract

P67 UNRELIABLE PULSE WAVE VELOCITY VALUES PROVIDED BY ALGORITHM-BASED DEVICE: A STUDY IN MARFAN SYNDROME

Giulia Furlanis, Paolo Salvi, Andrea Grillo, Lucia Salvi, Inês Pintassilgo, Elisabetta Bungaro, Raffaella Gaetano, Susan Marelli, Renzo Carretta, Alessandro Pini, Gianfranco Parati
Pages: 98 - 98
Objective: To evaluate the reliability of algorithm-based aortic pulse wave velocity (PWV) estimated by the Mobil-O-Graph (IEM, Germany) compared to a standard non-invasive measurement of aortic PWV (carotid-femoral PWV), in a population of patients with a genetic disorder causing premature stiffening...
Conference Abstract

P146 METHODOLOGICAL ASPECTS AND DETERMINANTS OF HYPEREMIA-MEDIATED SLOWING IN PULSE WAVE VELOCITY: A GENERAL POPULATION STUDY

Nicholas Cauwenberghs, Yenthel Heyrman, Judita Knez, Lutgarde Thijs, Jan A. Staessen, Tatiana Kuznetsova
Pages: 98 - 98
Background: Recent studies proposed that deceleration in pulse wave velocity (PWV) following hyperemia might reflect arterial distensibility and endothelial function. We therefore investigated methodological aspects and clinical determinants of newly proposed indexes of such flow-mediated slowing (FMS)...
Conference Abstract

PO-33 STATIN THERAPY IN RHEUMATOID ARTHRITIS MAY IMPROVE ARTERIAL STIFFNESS IN WOMEN BUT NOT IN MEN: A PRELIMINARY ANALYSIS

Yessica-Haydee Gomez, Shubhabrata Das, Jessica Gorgui, Ines Colmegna, Stella S. Daskalopoulou
Pages: 98 - 98
Objectives: Patients with rheumatoid arthritis are at increased risk for cardiovascular disease. Statins have anti-inflammatory and immunomodulatory effects, thereby reducing cardiovascular risk. Arterial stiffness is a composite indicator of cardiovascular health and a predictor of cardiovascular risk....

Conditional Symmetry and Exact Solutions of a Nonlinear Galilei-Invariant Spinor Equation

Andrey Andreytsev
Pages: 98 - 101
Reduction of a nonlinear system of differential equations for spinor field is studied. The ansatzes obtained are shown to correspond to operators of conditional symmetry of these equations.

15. OPEN LABEL, RANDOMIZED, ACTIVE DRUG COMPARATIVE, PARALLEL GROUP, MULTI-CENTER, PHASE IV STUDY TO COMPARE THE EFFECT OF BENIDIPINE AND LOSARTAN ON ARTERIAL STIFFNESS AND CENTRAL BLOOD PRESSURE IN MILD TO MODERATE ESSENTIAL HYPERTENSIVE PATIENTS (BELASCO TRIAL)

Sang-Hyun Ihm, Shung Chull Chae, Do Sun Lim, Kee Sik Kim, Dong Ju Choi, Jong Won Ha, Dong Soo Kim, Kye Hun Kim, Myeong Chan Cho, Hui Kyung Jeon, Sang Hong Baek, The BELASCO trial investigators, Korea
Pages: 98 - 98
Objectives: The purpose of this study was to compare the effect of benidipine (calcium channel blocker) and losartan (angiotensin receptor blocker) on arterial stiffness and central blood pressure (BP) in mild to moderate essential hypertensives. Methods and Results: This 24 weeks, multi-center, open...

17. CAROTID INTIMA-MEDIA THICKNESS IN A LARGE COHORT STUDY AND REALLY NORMAL SUBJECTS

Woo-Baek Chung, Ho-Joong Youn, Yun-Seok Choi, Hee-Jung Hwang, Jae-Beom Lee, Jong-Won Chung, Chul-Soo Park, Yong-Seog Oh, Sang-Hong Baek, Wook-Sung Chung, Ki-Bae Seung, Jae-Hyung Kim
Pages: 98 - 98
Background: Carotid intima-media thickness (IMT) has been widely used as a surrogate of early atherosclerosis. However, the characteristics of patients in cohort-based studies of carotid IMT are very heterogeneous. We evaluated the carotid intima, media, and IMT in really normal (RN) subjects who had...

16. IS IT POSSIBLE TO PREDICT CORONARY ARTERY STENOSIS BASED ON CAROTID ARTERY INTIMA MEDIA THICKNESS IN DIABETIC PATIENTS

Jong-Won Chung, Ho-Joong Youn, Yun-Seok Choi, Hee-Jung Hwang, Jae-Beom Lee, Woo-Baek Chung, Chul-Soo Park, Yong-Seog Oh, Wook-Sung Chung, Jae-Hyung Kim
Pages: 98 - 98
Background: Noninvasive measurement of carotid artery intima media thickness (IMT) has been widely used as a surrogate marker of coronary atherosclerosis. However, evidence for the clinical implications of increased carotid IMT in diabetic patients is not well established. The aim of this study was to...
Research Article

18.ARTERIAL STIFFNESS IN GERIATRIC MEDICINE

Jeong Bae Park, Kee Sik Kim, Ho Joong Youn, Sang Hong Baek, Kyu Hyung Ryu, Shung Chull Chae, Jang Ho Bae, Jang Ho Bae, Chang Gyu Park, Moo Yong Rhee, Soo Yeun Choi, Dong Ju Choi, Sung Ha Park, Se Joong Rim, Dong Gu Shin, Gae Hoon Kim, Jong Chun Park, Won Ho Kim, Wang Seong Ryu, Kyung Ho Youn, Jin Won Jeong, Young Moo Ro, Young Dae Kim, Dong Soo Kim, Myeng Chan Cho, Byung Hee Oh, Nam Sik Chung, on behalf of Korean Vascular Research Working Group
Pages: 98 - 99

Difference in cerebral blood flow velocity in neonates with and without hyperbilirubinemia

Sriparna Basu, Dibyajyoti De, Ram Chandra Shukla, Ashok Kumar
Pages: 97 - 106
Purpose: To evaluate the difference in cerebral blood flow velocity (CBFV) in neonates with and without hyperbilirubinemia. Methods: CBFV of 70 healthy late-preterm and term newborns with unconjugated hyperbilirubinemia (UCH) reaching the threshold of phototherapy requirement was compared with 70 gestational-...

Field Robot and Sensing System

Eiji Hayashi
Pages: 97 - 100
Labors in which forestry and agriculture and factory, are working in severe circumstance. So, such workers are necessarily declines and decreases. However, it is important for us to keep going in economy, life and nature. Therefore, to prevent a devastation of the forest, the safety and the lack of food...
Research Article

Comparison of two techniques for measuring pulse wave velocity and central blood pressure

Rok Accetto, Barbara Salobir, Jana Brguljan, Primoz Dolenc
Pages: 97 - 100
Pulse wave velocity (PWV) is an important parameter in the assessment of overall cardiovascular risk and there is well documented predictions of mortality in special groups of patients. Several methods are available for measuring the velocity and other parameters of the pulse wave. Our aim was to assess...

Research on SVG Control Method Under Unbalanced Conditions

Zheng Zheng, Yousong Zhou, Guopeng Zhang
Pages: 97 - 100
In order to reduce the complexity of traditional methods, a PCI (Proportional Complex Integral) controller is adopted to control SVG under unbalance-grid condition, which has better performance than PI controller to eliminate steady-state error to compensate nonlinear loads. Based on the αβ frame, the...
Research Article

Increased aortic wave reflection and longitudinal regional diastolic dysfunction in patients with left ventricular hypertrophy

Joji Ishikawa, Yoshio Matsui, Cesare Russo, Eiichi Hyodo, Kotaro Arai, Marco R. DiTulio, Shunichi Homma, Kazuomi Kario
Pages: 97 - 102
Objectives: Increased arterial stiffness is associated with the progression of left ventricular hypertrophy (LVH); however, the endocardial layer (End) contracts more than the epicardial layer (Epi), and it is unclear whether increased arterial stiffness affects regional wall deformation in both the...
Research Article

Does the Nitric Oxide Synthase T786C Gene Polymorphism Influence Arterial Stiffness in Patients with Metabolic Syndrome?

Angela Cozma, Adriana Fodor, Lucia Maria Procopciuc, Teodora Alexescu, Vasile Negrean, Dana Pop, Doina Alina Todea, Olga Hilda Orăşan, Adela-Viviana Sitar-Taut
Pages: 97 - 101
Background: Endothelial Nitric Oxide Synthase (eNOS) is responsible for Nitric Oxide (NO) bioavailability at endothelial level. Aging (even in healthy people) is involved in arterial stiffness increases. Materials and Methods: We investigated (in the service of Cardiology, 4th Medical Clinic) 100 patients,...

Five Supplementary Therapies for COVID-19

Li-Yuan Liu
Pages: 97 - 100
The COVID-19 is characteristic of both damage of the respiratory system and the immune system or both similarities of SARS and AIDS. These features decide difficulty of specific treatment. The worldwide transmission and higher fatality rate call for new skills for prevention and treatment. Here, we recommend...

On Seemingly Unrelated Regression Model with Skew Error

Omid Akhgari, Mousa Golalizadeh
Pages: 97 - 110
Sometimes, invoking a single causal relationship to explain dependency between variables might not be appropriate particularly in some economic problems. Instead, two jointly related equations, where one of the explanatory variables is endogenous, can represent the actual inheritance inter-relationship...

RadCloud—An Artificial Intelligence-Based Research Platform Integrating Machine Learning-Based Radiomics, Deep Learning, and Data Management

Geng Yayuan, Zhang Fengyan, Zhang Ran, Chen Ying, Xia Yuwei, Wang Fang, Yang Xunhong, Zuo Panli, Chai Xiangfei
Pages: 97 - 102
Radiomics and artificial intelligence (AI) are two rapidly advancing techniques in precision medicine for the purpose of disease diagnosis, prognosis, surveillance, and personalized therapy. This paper introduces RadCloud, an artificial intelligent (AI) research platform that supports clinical studies....
Conference Abstract

PO-32 DIETARY CALCIUM INTAKE AND CARDIOVASCULAR HEALTH: IS THERE ANY RELATIONSHIP?

Shubhabrata Das, Yessica-Haydee Gomez, David Goltzman, Angel M. Ong, Yessica H. Gomez, Jessica Gorgui, Michelle Wall, Suzanne N. Morin, Stella S. Daskalopoulou
Pages: 97 - 98
Introduction: Calcium intake, recommended for osteoporosis prevention, has been associated with cardiovascular (CV) outcomes. We examined the association of dietary calcium intake (dCa) with surrogate CV markers, including carotid intima-media thickness (cIMT), arterial stiffness and hemodynamics in...