• A key role is played by the autonomic nervous system (ANS), whose modulation regulates cardiovascular functions during sleep onset and different sleep stages. (frontiersin.org)
  • Standard functional assessment of autonomic nervous system (ANS) activity on cardiovascular control relies on spectral analysis of heart rate variability (HRV) series. (nature.com)
  • Obesity is a major health care problem and is associated with significant cardiovascular morbidity. (physiology.org)
  • Another reason is exposure to behavioural and physiological risk factors (Figure 1) which are responsible for 75% of CVDs.1 These risk factors have been prioritized according to their impact on mortality and morbidity, possibility of modification through primary prevention, and quantification by available easy standardized methods. (who.int)
  • Sfriso R, Zhang S, Bichsel CA, Steck O, Despont A, Guenat OT, Rieben R. 3D artificial round section micro-vessels to investigate endothelial cells under physiological flow conditions. (harvard.edu)
  • An imbalance between ROS and antioxidants, termed oxidative stress, can contribute to endothelial dysfunction and cardiovascular remodeling. (intechopen.com)
  • The regulation of this biological activity is the result of a balance between oxidants and the buffering action of antioxidants, such that an imbalance between ROS or RNS and antioxidants (called "oxidative stress"), wherein ROS or RNS is increased, contributes to cellular signaling that leads to endothelial dysfunction and cardiovascular remodeling. (intechopen.com)
  • Observable or measurable characteristics of CARDIOVASCULAR SYSTEM. (labome.org)
  • My brain has built stronger connections to my muscles and cardiovascular system-recruiting the necessary fibers and oxygen. (runnersworld.com)
  • Angiotensin II (Ang II) is the principal vasoactive substance of the renin-angiotensin system (RAS), having a variety of physiological actions including vasoconstriction, aldosterone release, and cell growth. (ahajournals.org)
  • Whereas the first module focuses on different physiological aspects of the heart and the cardiovascular system, the second module considers several external risk factors which can cause a myocardial infarction. (coursera.org)
  • Karreman was also a member of several prestigious scientific societies, including the American Physiological Society , the New York Academy of Sciences , the Franklin Institute , the Society for Supramolecular Biology , Sigma Xi , the Physiological Society of Philadelphia, and the Society for Vascular System Dynamics . (wikipedia.org)
  • The parasympathetic nervous system is associated with better memory function and implicated in better cardiovascular function. (eurekalert.org)
  • This signal carries useful information about the cardiovascular system that otherwise could be obtained only by manual methods that require a skilled medical or nurse practitioner and are lengthy to apply hence unsuitable for e-health scenarios. (upc.edu)
  • The work to be performed involves the conception, implementation and verifications of a three-channel system able to simultaneous measure three IPG signal in the same subject, which is performant enough to assess changes in time intervals measured between singulars features of these signals and those of other cardiovascular signals. (upc.edu)
  • The cardiovascular system pressure is mainly regulated by the resistance arteries and arterioles. (epfl.ch)
  • Comprehensive characterization and quantification of blood flow is essential for understanding the function of the cardiovascular system under normal and diseased conditions. (wisc.edu)
  • Mechanics of cardiovascular system. (vutbr.cz)
  • Reactive oxygen species (ROSs) play important physiological and physiopathological roles in the cardiovascular system. (intechopen.com)
  • Consequently, we provide a comprehensive review of the literature on the main factors, sources, and mechanisms of action of ROS and their effects on the cardiovascular system under hypobaric hypoxic conditions. (intechopen.com)
  • However, it is not fully understood whether these effects are due to a global reaction of the autonomous nervous system (affecting the overall organ systems of the body) or a specific reaction (affecting the cardiovascular system only). (clinicaltrials.gov)
  • 3-7 Studies have consistently demonstrated elevated blood pressure (BP), a well-known risk factor for cardiovascular and cerebrovascular adverse outcomes, in children 4 6 8 9 and adults 10 with OSA. (bmj.com)
  • Researchers analysed the association between noise exposure and major cardiovascular events, such as heart attacks and strokes, among 499 people (average age 56 years). (express.co.uk)
  • Notably, these people also had a greater than three-fold risk of suffering a heart attack or a stroke and other major cardiovascular events, compared with people who had lower levels of noise exposure. (express.co.uk)
  • The results showed that participants with the highest levels of chronic noise exposure, such as noise from highways and airports, had more than a three-fold risk of suffering a heart attack, a stroke or other major cardiovascular event, compared with people who had lower levels of noise exposure. (inquirer.net)
  • Cardiovascular Physiological Phenomena" is a descriptor in the National Library of Medicine's controlled vocabulary thesaurus, MeSH (Medical Subject Headings) . (sickkids.ca)
  • 11 Therefore, prevention of BP abnormalities and non-dipping is important to reduce the risk of developing cardiovascular adverse events. (bmj.com)
  • Consensus criteria and recommendations for eligibility and disqualification of athletes with HCM (and other cardiovascular abnormalities) have proved useful to the practising community. (bmj.com)
  • Angiotensin (Ang) II exerts its important physiological functions through 2 distinct receptor subtypes, type 1 (AT 1 ) and type 2 (AT 2 ) receptors. (ahajournals.org)
  • The goal of PhysGen, the National Heart, Lung, and Blood Institute-funded Program for Genomic Applications (PGA) study at the Medical College of Wisconsin (MCW), is to link genes to physiological function to identify chromosomes that contain a gene or genes that code for proteins that are involved in the regulation of cardiovascular phenomena. (physiology.org)
  • If blood pressure is not being maintained within normal limits, it must be assumed that those physiological factors which are responsible for the regulation of blood pressure are dysfunctional. (healio.com)
  • 2-9 Therefore, recent advances in studies of Ang II receptors could prove the existence of a variety of new players and targets in addition to the traditional "Ang II world" and provide a new insight into cardiovascular biology. (ahajournals.org)
  • However, long-term cardiovascular outcomes in children with OSA remain unexplored. (bmj.com)
  • This is the first longitudinal 10-year follow-up study to evaluate the effects of childhood OSA on long-term cardiovascular outcomes in adulthood. (bmj.com)
  • This review focuses on the clinical, physiological, and biochemical mechanisms involved in fluid overload of patients with CKD undergoing PD. (intechopen.com)
  • Whilst models of programming of physiological and metabolic function are well-characterized, the underlying mechanisms involved remain unresolved . (plos.org)
  • Technical and experimental variations in published gastric bypass rat models complicate the comparison and identification of potential physiological mechanisms involved in gastric bypass. (jove.com)
  • The relationships among these risk factors may be attributable to a small number of physiological phenomena, perhaps even a single phenomenon. (diabetesjournals.org)
  • To capture cardiovascular risk, the researchers examined the participants' medical records following the initial imaging studies. (express.co.uk)
  • The researchers caution that more research is needed to determine whether reduction in noise exposure could meaningfully lower cardiovascular risk and reduce the number of cardiovascular events on a population-wide scale. (express.co.uk)
  • However, "Patients and their physicians should consider chronic noise exposure when assessing cardiovascular risk and may wish to take steps to minimise or mitigate such chronic exposure," Radfar said. (express.co.uk)
  • However, all of these studies had administered L-arginine in subjects with some cardiovascular risk factors or cardiopathy. (thisisms.com)
  • To assess cardiovascular risk the team looked at data from the participants' medical records, while participants' home addresses and noise level estimates from the Department of Transportation's Aviation and Highway Noise Map were used to estimate their exposure to noise. (inquirer.net)
  • Q-PULS, a new quasi-physiological pulsatile extracorporeal model to simulate heart function. (harvard.edu)
  • This paper therefore looks at the physiological evidence that spinal manipulation can impact visceral function. (chiro.org)
  • The corpus of literature is not large, and the greatest number of papers concerns cardiovascular function. (chiro.org)
  • Given the restricted interests of clinical reports and controlled studies, as described above, we will therefore review basic physiological studies of what appear to be the most clinically relevant phenomena: cardiovascular, respiratory, gastrointestinal and female reproductive function. (chiro.org)
  • In particular, the oldest group showed protein changes reflective of altered extracellular matrix turnover and declining immune function, in which changes corresponded to reported changes in cardiovascular tissue remodeling and immune disorders in the elderly. (springer.com)
  • When astronauts and scientists work for extended periods in the manned stations that function in the weightless environment of space, the most common observable physical phenomenon in the space station inhabitants is a pronounced loss of muscle mass, reduced cardiovascular function, and reductions in bone density. (faqs.org)
  • The decline in cardiovascular function stems from the same reason. (faqs.org)
  • Chromosomal substitution strains afford the opportunity to discover regions of the rat genome that contain genes related to cardiovascular traits with the long-range goal of linking these genes to physiological function. (physiology.org)
  • The syndrome of RED-S refers to impaired physiological function including, but not limited to, metabolic rate, menstrual function, bone health, immunity, protein synthesis, cardiovascular health caused by relative energy deficiency. (bmj.com)
  • Psychological consequences can either precede RED-S or be the result of RED-S. The clinical phenomenon is not a 'triad' of the three entities of energy availability, menstrual function and bone health, but rather a syndrome that affects many aspects of physiological function, health and athletic performance. (bmj.com)
  • Although the period within which deconditioning will occur varies from athlete to athlete, a measurable loss of muscular and cardiovascular fitness will be observed in most athletes after a period of inactivity of 14 days or longer. (faqs.org)
  • The application of classical tools for ANS analysis, such as HRV during physiological sleep, showed that the rapid eye movement (REM) stage is characterized by a likely sympathetic predominance associated with a vagal withdrawal, while the opposite trend is observed during non-REM sleep. (frontiersin.org)