Stochastic and chaotic dynamics evaluation parameters of cardiovascular system in human transshirotnyh transfer

2015 ◽  
Vol 4 (1) ◽  
pp. 102-110
Author(s):  
Пахомов ◽  
A. Pakhomov ◽  
Прасолова ◽  
A. Prasolova ◽  
Козлова ◽  
...  
Keyword(s):  
Cardiovascular System ◽  
Chaotic Dynamics ◽  
Vascular System ◽  
The Body ◽  
Regulatory Processes ◽  
Adaptive Mechanisms ◽  
Boarding House ◽  
Cardio Vascular ◽  
The City ◽  
Evaluation Parameters

Using the methods of statistical analysis and methods of multidimensional phase spaces (analysis and calculation of the volume of quasi-attractors matrices mezhattraktornyh distances) studied the behavior of the state vector of the body girls (for example, the behavior of the parameters of the cardiovascular system) with transshirotnyh movements. The differences in the assessment of the dynamic behavior of the parameters of the cardio-vascular system, namely the decrease in quasi-attractors indicates good revitalizing effect two-week stay in a boarding house young children oilman. Analysis matrices mezhattraktonyh distances showed that the motion of chaotic and stochastic centers at latitude movements somewhat different girls: mezhattraktornye distance when driving chaotic center upon arrival to rest down, after a two-week vacation, it becomes even more, to return to the city of Surgut is similar to the results for the arrival at rest, indicating the lack of formation of the girls adaptive mechanisms, as well as a significant tension of regulatory processes and the degree of mismatch of functional systems at transshirotnyh movements.

Vaso-active factors in pregnancy

1992 ◽  
Vol 4 (1) ◽  
pp. 15-36 ◽  
Author(s):  
L Myatt
Keyword(s):  
Growth Retardation ◽  
Vascular System ◽  
The Body ◽  
Vascular Events ◽  
Uterine Growth ◽  
Vascular Beds ◽  
Intra Uterine Growth Retardation ◽  
Cardio Vascular ◽  
In Pregnancy

Pregnancy results in profound physiological changes in the cardiovascular system, yet these changes are completely reversible. It is apparent that vaso-active factors, some as yet probably unidentified, which act as humoral or local autocrine or paracrine regulators of vasular resistance, play a major role in these cardio-vascular changes. This role may be heightened in pregnancy when there has to be a large increase in blood flow to the uterus and placenta while maintaining adequate flow to other vascular beds. Our knowledge of the mechanisms of action of these vaso-active factors and their interactions with each other still remains incomplete. Alterations in synthesis and action of these vaso-active factors may occur in pregnancies associated with pregnancy-induced hypertension, pre-eclampsia or intra-uterine growth retardation. Investigation of such alterations may help to elucidate the roles of vaso-active factors in both normal and pathological situations. The gestational hormones oestrogen and progesterone, are obviously prime candidates as overall regulators of the cardiovascular changes of pregnancy and as agents which alter the synthesis or action of other vaso-active factors. Currently, much attention is being focused on the role of local autocrine or paracrine vaso-active factors which may be produced by the endothelium or by the underlying vascular smooth muscle cells and alterations in their production or action in the hyptertensive disorders of pregnancy. The endothelium forms the largest endocrine organ within the body and so its importance in the mediation of vascular events should not be under-estimated. The principal objective of this review is to examine the roles of these many autocrine and paracrine vaso-active factors during pregnancy and their relation with the overall regulation of the vascular system. Changes which may occur and be involved in the aetiology of pre-eclampsia and growth retardation will also be examined.

scholarly journals RELATIONSHIP BETWEEN THE CARDIOVASCULAR SYSTEM AND THE AUTONOMIC NERVOUS SYSTEM DURING THE PHYSICAL LOAD IN PERSONS WITH DIFFERENT BODY MASS

2020 ◽  
Vol 20 (2) ◽  
pp. 108-113
Author(s):  
Kh. Boryak
Keyword(s):  
Nervous System ◽  
Autonomic Nervous System ◽  
Physical Exercise ◽  
Cardiovascular System ◽  
Body Mass ◽  
Vascular System ◽  
The Body ◽  
Control Group ◽  
Autonomic Nervous ◽  
Normal Body

The rapid increase in the number of overweight and obese individuals poses a significant threat to the health of the world's population of all ages. Obesity is able to induce a condition of chronic low-intensity inflammation underlying the number of diseases, and, in particular, the diseases of the cardiovascular system. The aim of the study was to determine the relationship between the response of the cardiovascular system and the state of autonomic nervous system to graduated physical exercises in young adults with normal body weight and overweight. Anthropometric measurements of 84 individuals of both sexes aged 18-25 years were carried out. According to the body mass index (BMI), the following groups were defined: control group of 22 individuals (BMI 18,50-24,99 kg/m2), group with overweight individuals (n=20) of both sexes (BMI 25,00-29,99 kg/m2). The condition of the cardio-vascular system was evaluated by heart rate, systolic and diastolic blood pressure; the status of autonomic nervous system was assessed by the Kerdo index. Indicators were evaluated before and immediately after the graduated exercise test. Data obtained were processed statistically. According to the results of the study, the normotоnic type by its response to the physical exercise was found out in both study groups, but the overweight individuals of both sexes demonstrated the cardiovascular indicators were significantly higher compared to the control group. Having finished the physical exercise tests, overweight men and women showed marked sympathicotonia (≥ + 31). The Kerdo᾿s index in 29,65% of male and in 19,01% of female individuals was higher than in the individuals with normal body mass (p <0.05). It can be concluded that the dominance of sympathetic influences is characteristic for overweight individuals after physical activity. Correlation between anthropometric, cardiovascular and Kerdo᾿s index immediately following the physical exertion in overweight individuals indicate impaired autonomic nervous system balance restoration.

ACUTE POISONING WITH DRUGS MAINLY AffECTING THE CARDIOVASCULAR SYSTEM

2016 ◽  
pp. 31-35 ◽  
Author(s):  
M. V. Belova ◽  
K. K. Ilyashenko
Keyword(s):  
Emergency Medicine ◽  
Cardiovascular System ◽  
Medical Records ◽  
Vascular System ◽  
Acute Poisoning ◽  
Age And Gender ◽  
General Characterization ◽  
And Gender ◽  
Cardio Vascular

Based on examined reports 2010-2014 of the department of acute poisonings treatment at the N.V.Sklifosovsky Research Institute of Emergency Medicine and 1197 medical records of in-patients, a general characterization of poisoning by drugs affecting preferably the cardio vascular system is presented. Preparations and their combinations that are the most frequent causes of poisoning are detected; the age and gender structure of patients, poisonings causes and lethality are considered

Dynamics of spectral power of heart rate variability in students the latitudinal movement

2016 ◽  
Vol 10 (1) ◽  
pp. 0-0
Author(s):  
Нерсисян ◽  
N. Nersisyan ◽  
Шакирова ◽  
L. Shakirova ◽  
Нифонтова ◽  
...  
Keyword(s):  
Cardiovascular System ◽  
Spectral Power ◽  
Prognostic Significance ◽  
Term Treatment ◽  
The Body ◽  
Short Term Treatment ◽  
Method Of Calculation ◽  
Regulatory Processes ◽  
Dimensional Phase Space ◽  
Mechanisms Of Adaptation

In the conditions of sanatorium treatment the parameters of the cardiovascular system of schoolchildren with the latitudinal displacements were analyzed. Analysis of parameters of cardiovascular system of children in sanatoria from the position of the stochastics showed that the behavior of RR-intervals is still chaotic. The results of the study revealed that short-term treatment reduces the size of quasi-attractor vector of conditions of the human body and partially normalizes the indicators of the cardio-respiratory system of children. However, after the rest of the distance rX increasing, says lack of formation of mechanisms of adaptation of students, as well as significant tension of regulatory processes. The use of the method of calculation of matrices mega-factory of distances in m-dimensional phase space provides some quantitative evaluation of adaptive reserves of the body. This allows us to objectively assess the dynamics of reserve possibilities of organism and their prognostic significance.

scholarly journals The effect of ecological factors on a cardiovascular system of children

2020 ◽  
Vol 159 ◽  
pp. 01001
Author(s):  
Sultan Tuleukhanov ◽  
Zhanna Abdrassulova ◽  
Nurdana Salybekova ◽  
Gulzhaina Alpamyssova ◽  
Arina Kenshilik
Keyword(s):  
Cardiovascular System ◽  
Vascular System ◽  
Ecological Factors ◽  
Well Being ◽  
Cardiorespiratory System ◽  
Daily Monitoring ◽  
St Segment ◽  
Sympathetic Regulation ◽  
And Gender ◽  
Cardio Vascular

This study provides examination of cardiovascular system of children who live in Ust-Kamenogorsk, mainly in its environmentally polluted areas as industrial zones and Ulbinsk region. The work focused on studying the age and gender characteristics of the cardio vascular system in children living in environmentally unfavorable conditions of Ust-Kamenogorsk. The study highlighted the role of contamination into the development of many diseases that affect cardiovascular system of children in various age categories. The features of cardiorespiratory system were evaluated by methods of pneumotachometry, variational pulsometry, electrocardiography, Holter daily monitoring of electrocardiography. There was detected a gradual increase in sympathetic regulation of heart rate in boys and humoral regulation in girls aged 9-12 years. It was shown that the resistance of children’s organism to the harmful environmental effects depend on their constitutional features. The increased level of stress also affects the well-being of children, as caused by the unfavourable conditions. The method of daily ECG monitoring revealed an increase in the frequency of elevation ST segment, to a lesser extent its depression, so the incidence of bradycardia is more often than tachycardia.

scholarly journals The examination of the heart rate regulation in healthy people with the stochastic tests methods

2013 ◽  
Vol 7 (3) ◽  
pp. 4-7
Author(s):  
Aksana Kotava
Keyword(s):  
Heart Rate ◽  
Cardiovascular System ◽  
Vascular System ◽  
Load Test ◽  
Stochastic Methods ◽  
Heart Rate Regulation ◽  
Stochastic Load ◽  
Cardio Vascular ◽  
Submaximal Heart Rate ◽  
Increasing Load

Background: The determination of relations between the complexity of the cardiovascular system regulation and the com-plexity of the test signal is not a fully solved problem. The elimination of this uncertainty can be done using stochastic test signals and power value which changes are random.Aim of research: To compare the reaction of cardio - vascular system during the deterministic and random loads.Material and methods:In the research,h two types of physical loads were used: the traditional bicycle ergometer test with stepwise increasing load and 3 minutes steps duration and test with a stochastic pseudonormal load values distribution and 30 seconds steps duration. Results: It is established that the average load required to achieve a submaximal heart rate was 509 W for the traditional and 445 W for the stochastic test, respectively. The time of obtained submaximal heart rate during stepwise-increasing load was 7 min., whereas during the stochastic load significantly less - 5min. The results show that the limit of efficiency of the cardio-vascular system during stochastic load test is achieved faster than during deterministic load test.Conclusions: Stress tests using random loads can be useful for the athletes training. Supposedly, the use of stochastic loads must be effective during rehabilitation of patients with cardiovascular diseases, for instance the increasing of the physical load time in each stage can be used in order to reach steady state. Also, the proposed study confirms the perspectives of non-linear and stochastic methods in the diagnosis of the cardiovascular system diseases.

scholarly journals A Systemic Review of Pathological Findings in COVID-19 and Its Mechanism of Disease

2021 ◽  
pp. 597-606
Author(s):  
Aishik Chanda ◽  
Shruti Dehankar ◽  
Abhishek Kumar ◽  
Samarth Shukla ◽  
Sourya Acharya
Keyword(s):  
Vascular System ◽  
The Body ◽  
Systemic Review ◽  
Prolonged Standing ◽  
Runny Nose ◽  
Organ Systems ◽  
Cardio Vascular ◽  
Systemic Pathology ◽  
Modern Era ◽  
Taste And Smell

The Severe Acute Respiratory Syndrome (SARS) coronavirus 2 (SARS-CoV2) has spread worldwide at a rapidly alarming pace and has resulted in the coronavirus disease 2019 (COVID-19) pandemic. The virus has more intensive and prolonged standing effects in the host body post-infection than the other related groups of viruses. The disease has caused an unforeseen need for the availability of intensive support because of the resulting critical respiratory distress and consequent multi-organ failure. What starts as an elegant fever with cough and headache, with body pain, runny nose, sore throat, quickly develops into loss of perception of taste and smell, with nausea, diarrhea, troubled breathing, chills; and finally results into grievous damage to the vital organs of the body, such as heart, lungs, liver, kidneys, blood vessels, and even brain, necessitating the need of urgent and competent availability of critical care infrastructure. It is now the disease with the highest number of affected individuals recorded in the modern era. And, not only does the infection of Covid inflict highly significant morbidity and mortality rates amongst the population, but there have also been multiple and significant strains to the overburdened health care system and also, massively on the economy. Here in this article, our focus will primarily be upon the systemic pathology in the various organ systems and how the coronavirus has been affected. We shall discuss the Respiratory System, the Cardio-Vascular System, the Renal System, Central Nervous System, and the pathophysiology involved herewith after covid infection.

scholarly journals IMPROVING THE TRAINING PROCESS OF 16–17-YEAR-OLD BIATHLETES BY MEANS OF HYPOXIC-HYPERCAPNIC EXPOSURES AND CONTROL OF CHANGES IN THE PREMORBID CONDITION OF THE CARDIOVASCULAR SYSTEM IN THE BASIC STAGE OF SPORTS PREPARATION

2020 ◽  
Vol 20 (2) ◽  
pp. 14-21
Author(s):  
D Maleev ◽  
E Vinogradov ◽  
A Isaev ◽  
V Khodkevich
Keyword(s):  
Cardiovascular System ◽  
Vascular System ◽  
Diagnostic System ◽  
Training System ◽  
Functional Abilities ◽  
Basic Stage ◽  
General Training ◽  
Cardio Vascular ◽  
High Level ◽  
And Control

Aim. The article deals with theoretical and experimental substantiation of the effectiveness of basic and ergogenic (hypoxic-hypercapnic exposures) aids in the preparation of 16–17-year-old biathletes. Materials and methods. The study involved two groups of 16–17-year-old biathletes. All athletes underwent an in-depth medical examination at the beginning of the experiment. Throughout the study, their functional status was assessed by the premorbid index of the cardio-vascular system obtained with the CardioSoft diagnostic system (USA). Results. Hypoxic-hypercapnic exposures in sports training along with the general training program aimed at deve­loping local-regional muscle endurance is a promising approach that can ensure a high level of functional abilities in athletes and improve their sports results. Conclusion. The results of the study contribute to the improvement of the training system for 16-17-year-old biathletes at the basic stage of sports preparation. The study proves that the innovative method proposed is effective for controlling the premorbid state of the cardiovascular system in athletes.

scholarly journals Analytical Method of Human Systemic and Global Circulation

2021 ◽  
pp. 13-33
Author(s):  
Francis Egenti Nzerem ◽  
Eucharia C. Nwachukwu
Keyword(s):  
Vascular System ◽  
Voltage Drop ◽  
Circulatory System ◽  
The Body ◽  
Topological Constraints ◽  
Global Circulation ◽  
Cardio Vascular ◽  
Electrical Impulses ◽  
In Virtue Of ◽  
Flow Circuit

Abstract The human circulatory system is one of the admirable rhythms of nature. The heart and the vasculature are constitutive structures. The vasculature consists of arterial and venous appurtenances which are arranged in an idealized network capable of enhancing circulation. The crux of this study is the representation of the cardiovascular system as a network in which electrical constraints apply. As a network, the system is amenable to graph analytic treatment; as edge-nodal parameters ensue, topological constraints apply. In virtue of cardiac auto-rhythmicity, electrical impulses are driven through the vessels to the body cells. As a rule, the vessels must elicit a modicum of resistance. This work weaponized the elements of graph theory and electrical properties of the heart in elucidating the flow mechanism associated with the cardio-vascular system. The voltage drop across the connecting vessels (idealized as wires) was carefully depicted and analyzed by the method of matrices. When the cardiac function is within physiological definition a vascular compartment may be a liability in the event of poor circulation. Therefore the knowledge of vascular resistive capacities, which this work portrayed, is a sine-qua-non to the assessment of flow integrity of the system under consideration. MSC 2010 No.: 05C21, 92C42, 92B25. Keywords: Cardiovascular, Network, Matrices, Flow, Circuit, Edges and Nodes, Wave propagation, Bifurcation.

scholarly journals Pathogenetic role of changes in the type of blood circulation in the dynamics of brain vascular disorders

2020 ◽  
Vol 11 (1) ◽  
pp. 51-57
Author(s):  
Valentin I. Nikolaev ◽  
Nataliya P. Denisenko ◽  
Anastasiya V. Brega ◽  
Marya D. Denisenko
Keyword(s):  
Heart Rate ◽  
Heart Rate Variability ◽  
Cerebral Circulation ◽  
Blood Circulation ◽  
Vascular System ◽  
The Body ◽  
Acute Period ◽  
Mean Square Difference ◽  
Cardio Vascular ◽  
The Moment

Features of the heart rate variability at patients with acute disorder of cerebral circulation depending on the type of hemodynamics were studied in acute period of disease and in a condition of relative functional rest. Surveyed men and women (121 patients, 3055 years old) were divided into 3 groups according to the type of hemodynamics that was defined at the first day of their disease: the groups of patients with hyper-, hypo- and normodynamic types of hemodynamics were selected. The integral rheography of the body was carried out again on the 7th day of hospitalization of the patients. And according to the received data all examined individuals were divided into subgroups. The evaluation of indicators of the heart rate variability at patients during acute period of disease showed the significant increase of activity of the sympathetic link of regulation among people with hyperdynamic type of hemodynamics: the indices of tension and vegetative balance also as the standard deviation of NN intervals (SDNN) were rather law. The sam e patients examined on the 7th day of their disease demonstrated the reduction of the indices of tension and vegetative balance and the increase of the mean square difference between the duration of adjacent R-R intervals (RMSSD). These changes were regarded as gradual weakening of the sympathetic influences on cardio-vascular system in stabilization period. At examination of patients in a week from the moment of their hospitalization transformation of the type of hemodynamics was revealed among many of the surveyed. The indices of tension and vegetative balance were the lowest among patients with acute disorder of cerebral circulation and initially hyperdynamic type of hemodynamics and newly formed hypodynamic type of blood circulation. While patients with acute disorder of cerebral circulation and constantly hyperdynamic type of blood circulation showed the maximal tension in operation of the regulatory systems.

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