scholarly journals Vegetative status and adaptation peculiarities possibilities in student youth depending on blood circulation self-regulation type

2020 ◽  
pp. 83-97
Author(s):  
V. Zadorozhnia ◽  
◽  
O. Kuchkovsky ◽  
O. Kovaleva ◽  
◽  
...  
Keyword(s):  
Cardiovascular System ◽  
Blood Circulation ◽  
Self Regulation ◽  
Peripheral Resistance ◽  
Adaptive Potential ◽  
Vascular Type ◽  
Myocardial Stress ◽  
Average Group ◽  
Regulation Type ◽  
Vegetative Status

Vegetative status and adaptive capabilities peculiarities of aged 19 to 21 girls depending on their blood circulation self-regulation type were studied in this work. The study was conducted at the Biology Faculty of Zaporizhzhia National University, Zaporizhzhia. Such primary indices as heart rate and blood pressure were studied in all test individuals. Based on the obtained data, the blood circulation self-regulation type in each subject was determined separately, which allowed to form three groups (individuals with cardiovascular, vascular and mixed blood circulation self-regulation types). The assessment scheme included cardiovascular system indices calculation such as average dynamic arterial pressure, specific peripheral resistance, cardiac output, cardiac index, stroke volume, external myocardial function, myocardial stress index, myocardial efficiency criterion, autonomic regulation index (vegetative Kerdo’s index) and adaptive potential. The results were processed by variation statistics methods, and the obtained data were subjected to correlation analysis. Deviations from the reference values were revealed in systemic hemodynamics ave­rage group parameters analysis in female students with different blood circulation regulation types. It was recorded that the average dynamic pressure exceeded the normal upper limit by 2.5 % and 6.2 %, respectively, in persons with mixed and vascular regulation type. Specific peripheral resistance indices obtained from data analysis in girls with different blood circulation self-regulation types revealed that this index did not exceed the normal in the groups with mixed and vascular type, in contrast to the group with the cardiac type. The specific peripheral resistance was lower by 5.2 % than the lower limit of the reference value for this index in the latter group. Statistically significant differences were identified in cardiac output, cardiac index and stroke volume parameters in girls with different self-regulation circulatory types. Specific trends were identified in the average group and individual myocardial function indices in girls depending on the self-regulation type. Statistical significance was found between myocardial stress indices in girls with different self-regulation types. Both the average group and individual vegetative Kerdo’s index indices fluctuated within eytony in the mixed type persons group. The mean group autonomic index values in girls with vascular type indicated pronounced vagotonia. We found that the largest percentage of all respondents had satisfactory adaptation. The largest number of girls with satisfactory adaptation had a vascular self-regulation type (83.33 %) and a mixed type (81.82 %), a smaller percentage of girls from these groups (16.68 % and 18.18 %, respectively) had adaptation mechanisms functional stress. In the group with the cardiac type, almost half (46.15 %) had adaptation mechanisms functional stress, and the rest (53.85 %) had satisfactory adaptation. Thus, the differences in cardiovascular system indices, the autonomic nervous system sympathetic and parasympathetic parts influences ratio on the cardiovascular system were determined, as well as the adaptive potential in 19-21 years old girls can be attributed to blood circulation compensatory-adaptive reactions.

scholarly journals Hemodynamic criteria of the circulatory system in ethnic groups of students with different types of autonomic regulation of the heart rate

2019 ◽  
Vol 25 (104) ◽  
pp. 312-320
Author(s):  
Al-Shammari Mohammed Jasim Ismael ◽  
Hayder Yousif Falih ◽  
Sagalaeva Irina Vladimirovna
Keyword(s):  
Peripheral Blood ◽  
Blood Circulation ◽  
Self Regulation ◽  
Circulatory System ◽  
Functional Fatigue ◽  
Autonomous Regulation ◽  
Vascular Type ◽  
Latino American ◽  
Low Efficiency ◽  
Peripheral Blood Circulation

Under physiological conditions, the first years of university studies of the students of Arabic and African subgroups with moderate parasympathetic autonomous regulation)  MPAR( and self-regulation )SR( were characterized by toughness, low effectiveness of the system of blood circulation, increased peripheral vascular resistance, vascular type of self-regulation of blood circulation )TSC (; Indian and Latino-American subgroups with MPAR SR revealed the weakness and low efficiency of the circulatory system, the optimal general peripheral blood circulation )GPBC( and cardiovascular type of self-regulation of blood circulation )TSC( were revealed in Indian and Latino-American subgroups with moderate parasympathetic autonomous regulation self-regulation )MPAR SR (and subgroups with prounonced parasympathetic autonomous regulation self-regulation)PPAR SR( showed high endurance of the circulatory system. The Russian subgroup with moderate parasympathetic autonomous regulation self-regulation) MPAR SR (has the highest endurance of the circulatory system and current functional fatigue, the most marked in the subgroup with prounonced parasympathetic autonomous regulation )PPAR  (increased general peripheral blood circulation and cardiovascular type of self-regulation of blood circulation.

scholarly journals COMPARATIVE INVESTIGATIONS OF THE FUNCTIONING OF THE CARDIOVASCULAR SYSTEM OBSERVED IN ADOLESCENT MALE RESIDENTS OF CITIES OF MAGADAN AND MOSCOW

2019 ◽  
Vol 96 (5) ◽  
pp. 466-469
Author(s):  
L. I. Grechkina
Keyword(s):  
Cardiovascular System ◽  
Self Regulation ◽  
Left Ventricular ◽  
Adolescent Male ◽  
Software Complex ◽  
Regional Features ◽  
Vascular Type ◽  
The Comparative Study ◽  
The City ◽  
Functional Indices

There was executed the comparative study of functional indices of the cardiovascular system in adolescent boys aged of 13-16 years, residing in the city of Magadan (n=424) and Moscow (n=437). The recording of functional indices of hemodynamics in adolescents was made by the same method of the volumetric compression oscillometry method with the use of hardware-software complex “Globus” for the noninvasive study of central hemodynamics (“Globus”, Belgorod). There were revealed regional features of the dynamics of the development of the function of the cardiovascular system in adolescents residing under different climatic geographical and ecological conditions. There were established statistically reliable differences in hemodynamic indices during the age period of 13-15 years: Moscow schoolchildren have higher values of the blood pressure, cardiac output, stroke volume and left ventricular stroke power comparing with Magadan counterparts. In Magadan adolescents there was revealed the tendency towards higher values of heart rate. The analysis of the distribution of hemodynamics indices according to the type of self-regulation of blood-circulation shows 63.7% of schoolchildren of Magadan and Moscow to have cardiotype, 26.9% and 41.2% of adolescents are characterized by cardiovascular type, and vascular type is a common feature in 9.4% and 14.4% of examined adolescents.

scholarly journals Comparative analysis of hemodynamic parameters and heart rate variability in football and hockey players at the stage of sports improvement

2020 ◽  
Vol 26 ◽  
pp. 00078
Author(s):  
Vladislav Lavrichenko ◽  
Tatiana Lindt ◽  
Irina Kalinina ◽  
Alexander Zolotarev
Keyword(s):  
Blood Circulation ◽  
Self Regulation ◽  
Functional System ◽  
The Body ◽  
Football Players ◽  
Protective Mechanisms ◽  
Variable Intensity ◽  
Research Material ◽  
Vascular Type ◽  
Hockey Players

The article presents a multi-year multicenter research material concerning the study of adaptive aspects of hemodynamic and vegetative homeostasis of athletes engaged in football and hockey at the stage of sports improvement. The following was revealed: both groups of athletes were characterized by the formation of a cardiovascular functional system with a state of minimal tension of regulatory mechanisms to maintain hemodynamic homeostasis. The total sum of ICVR indicators in the group of football players was -1 point, which, according to the classification, can be assessed as a state of some functional tension, manifested by the mobilization of protective mechanisms. The hockey players were observed to have an optimal state of the regulation systems tension. It is characteristic of a satisfactory adaptation of the body to environmental conditions (1 point). The vascular type of self-regulation of blood circulation is more optimal in the formation of adaptation to dynamic loads of variable intensity.

scholarly journals Influence of Physical Therapy Means on Indicators of Cardiovascular System Activity, Metabolism and Psychoemotional Status of Elderly Individuals with Metabolic Syndrome and Frailty

2021 ◽  
Vol 6 (1) ◽  
pp. 271-279
Author(s):  
N. P. Koval ◽  
Keyword(s):  
Metabolic Syndrome ◽  
Heart Rate ◽  
Physical Therapy ◽  
Therapeutic Alliance ◽  
Cardiovascular System ◽  
Elderly People ◽  
Physical Performance ◽  
Biochemical Parameters ◽  
Adaptive Potential ◽  
Low Level

An increase in the prevalence of insulin resistance in the elderly, associated with physiological changes in carbohydrate metabolism during the aging process, is associated with a high risk of cardiovascular accidents and endocrine diseases. This problem requires a solution by healthcare professionals with medication and non-medication. The purpose of the study was to determine the effectiveness of the program of physical therapy by the dynamics of indicators of the cardiovascular system, carbohydrate and lipid metabolism, psychoemotional status of elderly people with frailty and metabolic syndrome. Material and methods. 96 elderly people were examined. The control group consisted of persons without metabolic syndrome and without frailty. The main group 1 consisted of patients with metabolic syndrome and frailty with a low level of therapeutic alliance who did not want to cooperate with a physical therapist and / or actively improve their health on their own. The main group 2 included patients who agreed to undergo a developed program of physical therapy (a high level of therapeutic alliance) using kinesitherapy, massage, nutritional correction, education of the patient and his family, elements of cognitive training and occupational therapy for 1 year. The effectiveness of the program was assessed by the dynamics of systolic and diastolic blood pressure, heart rate, Kvass endurance coefficient, Baevsky's adaptive potential, Robinson's index, physical performance (based on the results of a 6-minute test), carbohydrate parameters (fasting blood glucose and after glucose load) and lipid (concentration of cholesterol, triglycerides, high density lipoproteins) metabolism, the level of depression according to the GDS-15 questionnaire. Results and discussion. In elderly people with frailty and metabolic syndrome, a statistically significant (p <0.05) deterioration in the parameters of the functioning of the cardiovascular system (according to the levels of DBP, heart rate at rest, Kvass endurance coefficient, Baevsky's adaptive potential, Robinson's index), physical performance (according to the results of a 6-minute test - distance, severity of fatigue, shortness of breath, cardialgia), biochemical parameters (fasting hyperglycemia, impaired glucose tolerance, atherogenic dyslipidemia), psycho-emotional state (depression) from their peers. The use of physical therapy tools led to a statistically significant improvement (p <0.05) of all the studied parameters of the functioning of the cardiovascular system, biochemical parameters in elderly people with metabolic syndrome and frailty, an increase in their physical performance, and an improvement in psycho-emotional status. A low level of therapeutic / rehabilitative alliance led to unsatisfactory fulfillment or non-fulfillment of the recommendations provided by patients and is associated with a lack of improvement in the state of the cardiovascular system, physical performance, age-associated depression. Conclusion. It is advisable to include physical therapy means in the rehabilitation programs for elderly patients with comorbid pathology like frailty and metabolic syndrome for the prevention of cardiovascular accidents

Hemodynamic effects of posterior hypothalamic injection of neuropeptide Y in awake rats

1991 ◽  
Vol 261 (3) ◽  
pp. H814-H824 ◽  
Author(s):  
J. R. Martin ◽  
M. M. Knuepfer ◽  
T. C. Westfall
Keyword(s):  
Heart Rate ◽  
Cardiac Output ◽  
Neuropeptide Y ◽  
Cardiovascular System ◽  
Peripheral Resistance ◽  
Hypothalamic Nucleus ◽  
Initial Increase ◽  
System Control ◽  
Posterior Hypothalamic Nucleus ◽  
Freely Moving

Unilateral microinjection of neuropeptide Y (NPY) into the posterior hypothalamic nucleus was previously found to evoke a sympathoexcitatory-mediated increase in mean arterial pressure (MAP) in urethan-anesthetized rats. In this study, the effect of unilateral injection of NPY into the posterior hypothalamic nucleus on the cardiovascular system of conscious, freely moving rats was determined. Microinjection of NPY (0.2-2.4 nmol) or the cholinergic agonist carbachol (0.5-5.5 nmol) resulted in concentration-dependent increases in MAP. Pretreatment of animals with 7.5 mg/kg iv of the ganglionic blocker pentolinium resulted in a blockade of the increase in MAP evoked by microinjection of NPY (2.4 nmol) or carbachol (3.3 nmol). Despite their similarity of effects on MAP, NPY and carbachol evoked different changes in heart rate. NPY increased heart rate, whereas carbachol evoked a biphasic change in heart rate that consisted of an initial increase followed by a decrease. In addition, carbachol caused increases in both hindquarter and mesenteric vascular resistances, whereas NPY caused a short-lasting increase in mesenteric resistance and a tendency toward an increase in hindquarter resistance. Both NPY and carbachol increased total peripheral resistance while NPY decreased stroke volume. Cardiac output was not significantly affected by either NPY or carbachol, although NPY had a tendency to decrease cardiac output. These results suggest that microinjection of NPY or carbachol into the posterior hypothalamic nucleus of conscious rats evokes an increase in MAP primarily as a result of sympathoexcitation and that NPY and carbachol selectively affect autonomic nervous system control of the cardiovascular system.

Identification of Multi-Channel Cardiovascular System Using Dual-Pole Laguerre Basis Functions for Assessment of Aortic Flow and TPR

2007 ◽  
Author(s):  
Jin-Oh Hahn ◽  
Andrew T. Reisner ◽  
H. Harry Asada
Keyword(s):  
Blood Pressure ◽  
Cardiovascular System ◽  
Peripheral Blood ◽  
Total Peripheral Resistance ◽  
Peripheral Resistance ◽  
Aortic Flow ◽  
Cardiovascular Dynamics ◽  
Flow Signal ◽  
Laguerre Series ◽  
Peripheral Blood Pressure

This paper presents a novel method to identify the multichannel cardiovascular system using two distinct peripheral blood pressure signals. The method can characterize the distinct arterial path dynamics that shape each of the blood pressure signals, and recover the common aortic flow signal fed to them. A Laguerre series data compression technique is used to obtain a compact representation of the cardiovascular system, whose coefficients are identified using the multi-channel blind system identification. A Laguerre model de-convolution algorithm is developed to stably recover the aortic flow signal. Persistent excitation, model identifiability, and asymptotic variance are analyzed to quantify the method’s validity and reliability. From the identified Laguerre series coefficients of the cardiovascular dynamics, mean aortic flow and total peripheral resistance are estimated. Experimental results based on 7,000 data segments obtained from 9 swine models show that the waveform of the aortic flow is stably recovered from peripheral blood pressure signals and that the cardiovascular dynamics can be identified very reliably for all the swine models under diverse physiologic conditions. In addition, the use of the identified cardiovascular dynamics results in the improvement in estimating the mean aortic flow and total peripheral resistance by 60% and 45% in terms of the R2 value, compared to their standard counterparts.

scholarly journals Variation Analysis of Sphygmogram to Assess Cardiovascular System under Meditation

2009 ◽  
Vol 6 (1) ◽  
pp. 107-112 ◽  
Author(s):  
Chuan-Yi Liu ◽  
Ching-Chuan Wei ◽  
Pei-Chen Lo
Keyword(s):  
Cardiovascular System ◽  
Statistical Significance ◽  
Peripheral Resistance ◽  
Arterial System ◽  
Control Group ◽  
Variation Analysis ◽  
T Wave ◽  
Valve Function ◽  
Waveform Pattern ◽  
D Wave

In this article, we studied how meditation affects the characteristics of the cardiovascular system, mainly based on blood pressure waveforms (BPW). Four parameters derived from BPW include the rising slope (h1/t1), normalized height of T wave (h3/h1), normalized height ofV3valley (h4/h1) and normalized height of D wave (h5/h1), wheret1andhi,i= 1, … ,5 are quantitative features of the BPW waveform pattern. A larger value ofh1/t1reflects better heart ejection ability and aorta compliance. A larger value ofh3/h1may infer an arterial system with good elasticity. The decrease (increase) ofh4/h1parameter indicates the decrease (increase) of peripheral resistance of vessels. A larger value ofh5/h1indicates better artery elasticity and aortic valve function. In comparison with the control group, Zen-meditation practitioners have more after-meditationh1/t1,h3/h1andh5/h1increase, with moreh4/h1decrease, with statistical significance (P< 0.05). The observation allows us to infer that Zen meditation may effectively improve relevant characteristics of the cardiovascular system.

Test of dynamic closed-loop baroreflex and autoregulatory control of total peripheral resistance in intact and conscious sheep

2004 ◽  
Vol 287 (5) ◽  
pp. H2274-H2286 ◽  
Author(s):  
Nikolai Aljuri ◽  
Robert Marini ◽  
Richard J. Cohen
Keyword(s):  
System Identification ◽  
Cardiovascular System ◽  
Total Peripheral Resistance ◽  
Closed Loop ◽  
Dynamic Properties ◽  
Peripheral Resistance ◽  
Right Atrial ◽  
Individual Subject ◽  
System Identification Method ◽  
Identification Method

This is the first study able to examine and delineate the actual actions of the physiological mechanisms responsible for the dynamic couplings between cardiac output (CO), arterial pressure (Pa), right atrial pressure (PRA), and total peripheral resistance (TPR) in an individual subject without altering the underlying regulatory mechanisms. Eight conscious male sheep were used, where both types of baroreceptors were independently exposed to simultaneous beat-to-beat pressure perturbations under intact closed-loop conditions while CO, Pa, PRA, and TPR were measured. We applied the cardiovascular system identification method proposed in a companion paper ( 4 ) to quantitatively characterize the dynamic closed-loop transfer relations CO→Pa, PRA→Pa, Pa→TPR, and PRA→TPR from the measured signals. To validate the dynamic properties of the estimated transfer relations, the essential parts of the linear dynamics of the model were independently and comprehensively evaluated via error model cross-validation, and the overall model's steady-state behavior was compared with a separate random effects regression approach. In addition to numerous physiological findings, we found that the cardiovascular system identification results were exceptionally consistent with the analytically derived solutions previously discussed in Ref. 4 . In conclusion, this study presents the first time validation of a cardiovascular system identification method by means of experimentally acquired animal data in the intact and conscious animal and offers a set of powerful quantitative tools essential to advancing our knowledge of cardiovascular regulatory physiology.

scholarly journals Indicators of psychological stability of the individual to sociocultural threats and negative information impact

2020 ◽  
Vol 8 (2) ◽  
pp. 11 ◽  
Author(s):  
P. A. Kislyakov ◽  
I.-L. S. Meyerson ◽  
P. A. Egorova
Keyword(s):  
Self Regulation ◽  
Well Being ◽  
Negative Information ◽  
Theoretical Research ◽  
International Studies ◽  
Subjective Well Being ◽  
Moral Norms ◽  
Adaptive Potential ◽  
Literature Study ◽  
The Individual

Introduction. The article analyzes the problem of psychological stability of the individual to socio-cultural threats and negative information impact. As social problems become more acute, the topic of personal security and resistance to emerging threats and risks takes an increasing place in the scientific literature. Today we can observe various violations of the processes of socio-cultural identification, which reduce the adaptive potential of the individual. The reverse side of accessibility in the global information environment is an increase in the degree of danger, the emergence of new risk factors and threats of information and psychological impact. Of particular concern are the facts of Russian youth joining terrorist groups, as well as the facts of youth involvement in destructive protest movements and actions.Materials and methods. The following methods were used for the preparation of this article; theoretical analysis of Russian and international literature, study of scientific articles and publications on the topic, overview of results from Russian and international studies, content analysis.Results. Approaches to determining the content of the category of psychological stability of a person and its various aspects are considered: emotional stability, moral stability, moral stability, stability of behavior forms, resistance to addictive factors, and socio-cultural stability. Identify invariant indicators that determine the psychological stability of the individual in various contexts of countering socio-cultural threats and negative information impact: socio-cultural identity based on views, beliefs, attitudes consistent with moral norms and spiritual values; motivation of the individual to self-actualization, success, openness and commitment to society; subjective well-being and resilience; critical thinking and the ability to predict risks and threats; possession of constructive coping strategies; adaptive personal potential expressed in mastering self-regulation methods that ensure successful adaptation to a changing socio-cultural environment.Discussion and Conclusions. The conducted theoretical research allowed us to conclude that the psychological stability of a person is a complex and multidimensional phenomenon, which is revealed in the moral, socio-psychological and system-activity perspective. It is concluded that the task of forming psychological stability and personal adaptive potential should be updated in the educational system, including the formation of knowledge about oneself as a person, about their psychological capabilities and mechanisms of self-regulation, and the explanation of moral norms and values.

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