Conferences related to Cardiovascular Oscillations

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2020 42nd Annual International Conference of the IEEE Engineering in Medicine & Biology Society (EMBC)

The conference program will consist of plenary lectures, symposia, workshops and invitedsessions of the latest significant findings and developments in all the major fields of biomedical engineering.Submitted papers will be peer reviewed. Accepted high quality papers will be presented in oral and postersessions, will appear in the Conference Proceedings and will be indexed in PubMed/MEDLINE


2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC)

The 2020 IEEE International Conference on Systems, Man, and Cybernetics (SMC 2020) will be held in Metro Toronto Convention Centre (MTCC), Toronto, Ontario, Canada. SMC 2020 is the flagship conference of the IEEE Systems, Man, and Cybernetics Society. It provides an international forum for researchers and practitioners to report most recent innovations and developments, summarize state-of-the-art, and exchange ideas and advances in all aspects of systems science and engineering, human machine systems, and cybernetics. Advances in these fields have increasing importance in the creation of intelligent environments involving technologies interacting with humans to provide an enriching experience and thereby improve quality of life. Papers related to the conference theme are solicited, including theories, methodologies, and emerging applications. Contributions to theory and practice, including but not limited to the following technical areas, are invited.


2020 IEEE International Instrumentation and Measurement Technology Conference (I2MTC)

The Conference focuses on all aspects of instrumentation and measurement science andtechnology research development and applications. The list of program topics includes but isnot limited to: Measurement Science & Education, Measurement Systems, Measurement DataAcquisition, Measurements of Physical Quantities, and Measurement Applications.


2019 44th International Conference on Infrared, Millimeter, and Terahertz Waves (IRMMW-THz)

Science, technology and applications spanning the millimeter-waves, terahertz and infrared spectral regions


2019 9th International IEEE/EMBS Conference on Neural Engineering (NER)

Neural Engineering

  • 2017 8th International IEEE/EMBS Conference on Neural Engineering (NER)

    Neural Engineering is an emerging core discipline,which coalesces neuroscience with engineering.Members of both the Neuroscience and Engineering Communities areencouraged to attend this highly multidisciplinarymeeting. The conference will highlight the emergingengineering innovations in the restoration andenhancement of impaired sensory, motor, andcognitive functions, novel engineering for deepeningknowledge of brain function, and advanced designand use of neurotechnologies

  • 2015 7th International IEEE/EMBS Conference on Neural Engineering (NER)

    Neural engineering deals with many aspects of basic and clinical problemsassociated with neural dysfunction including the representation of sensory and motor information, theelectrical stimulation of the neuromuscular system to control the muscle activation and movement, theanalysis and visualization of complex neural systems at multi -scale from the single -cell and to the systemlevels to understand the underlying mechanisms, the development of novel neural prostheses, implantsand wearable devices to restore and enhance the impaired sensory and motor systems and functions.

  • 2013 6th International IEEE/EMBS Conference on Neural Engineering (NER)

    Neural engineering deals with many aspects of basic and clinical problems associated with neural dysfunction including the representation of sensory and motor information, the electrical stimulation of the neuromuscular system to control the muscle activation and movement, the analysis and visualization of complex neural systems at multi-scale from the single-cell and to the system levels to understand the underlying mechanisms, the development of novel neural prostheses, implants and wearable devices to restore and enhance the impaired sensory and motor systems and functions.

  • 2011 5th International IEEE/EMBS Conference on Neural Engineering (NER)

    highlight the emerging field, Neural Engineering that unites engineering, physics, chemistry, mathematics, computer science with molecular, cellular, cognitive and behavioral neuroscience and encompasses such areas as replacing or restoring lost sensory and motor abilities, defining the organizing principles and underlying mechanisms of neural systems, neurorobotics, neuroelectronics, brain imaging and mapping, cognitive science and neuroscience.

  • 2009 4th International IEEE/EMBS Conference on Neural Engineering (NER)

    highlight the emerging field, Neural Engineering that unites engineering, physics, chemistry, mathematics, computer science with molecular, cellular, cognitive and behavioral neuroscience and encompasses such areas as replacing or restoring lost sensory and motor abilities, defining the organizing principles and underlying mechanisms of neural systems, neurorobotics, neuroelectronics, brain imaging and mapping, cognitive science and neuroscience.

  • 2007 3rd International IEEE/EMBS Conference on Neural Engineering

  • 2005 2nd International IEEE/EMBS Conference on Neural Engineering

  • 2003 1st International IEEE/EMBS Conference on Neural Engineering


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Periodicals related to Cardiovascular Oscillations

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Biomedical Engineering, IEEE Transactions on

Broad coverage of concepts and methods of the physical and engineering sciences applied in biology and medicine, ranging from formalized mathematical theory through experimental science and technological development to practical clinical applications.


Engineering in Medicine and Biology Magazine, IEEE

Both general and technical articles on current technologies and methods used in biomedical and clinical engineering; societal implications of medical technologies; current news items; book reviews; patent descriptions; and correspondence. Special interest departments, students, law, clinical engineering, ethics, new products, society news, historical features and government.


Information Technology in Biomedicine, IEEE Transactions on

Telemedicine, teleradiology, telepathology, telemonitoring, telediagnostics, 3D animations in health care, health information networks, clinical information systems, virtual reality applications in medicine, broadband technologies, and global information infrastructure design for health care.


Instrumentation and Measurement, IEEE Transactions on

Measurements and instrumentation utilizing electrical and electronic techniques.


Medical Imaging, IEEE Transactions on

Imaging methods applied to living organisms with emphasis on innovative approaches that use emerging technologies supported by rigorous physical and mathematical analysis and quantitative evaluation of performance.


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Xplore Articles related to Cardiovascular Oscillations

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Short-term complexity of cardiovascular oscillations during orthostatic change in aging

2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO), 2014

Complexity of R-R intervals (RR) and systolic arterial pressure (SAP) variability were computed to detect the aging process influence over cardiovascular control in resting supine (REST) and standing position (STAND). One hundred healthy subjects were divided into five groups (n=20 for each), according to age: 21-30; 31-40; 41-50; 51-60; 61-70. The RR and SAP series were recorded for 15 minutes ...


Short-term complexity of cardiovascular oscillations in frailty syndrome

2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO), 2014

Frailty has been described as a clinical state of vulnerability to stress, consequence from decline of resilience and physiological reserves and progressive decline on ability of homeostasis maintenance. The aim of this study was to evaluate the complexity of R-R intervals (RR) in resting supine (REST) and standing (STAND) position in 3 groups: frail, pre-frail and non- frail. Eighty older ...


Cardiovascular Oscillations of the Carotid Artery Assessed by Magnetoelastic Skin Curvature Sensor

IEEE Transactions on Biomedical Engineering, 2008

The present study concerns the nondisturbing assessment of cardiovascular oscillations of the carotid artery using a novel skin curvature sensor on the neck. The mechanical oscillations of the skin reflect changes of the artery radius and thus relevant physiological data such as cardiac and respiratory activities, their mutual dependencies, and even changes of blood pressure. The skin curvature sensor is ...


The time-frequency analysis of variabilities of heart rate, systolic blood pressure and pulse transit time on normotensive subjects after exercise

2009 2nd International Symposium on Applied Sciences in Biomedical and Communication Technologies, 2009

Spectral components of cardiovascular oscillations are related to complex autonomic control mechanisms. Since these oscillations are non-stationary, time-frequency (T-F) analysis has been used in studying cardiovascular oscillations such as variabilities of heart rate and blood pressure; however, few studies have extended the T-F analysis to other cardiovascular signals such as pulse transit time (PTT). In this preliminary study, a T-F ...


Action of the sympathetic and parasympathetic nervous system on cardiovascular dynamics revealed by blocking drugs

2014 8th Conference of the European Study Group on Cardiovascular Oscillations (ESGCO), 2014

The effect of the drugs atropine (a parasympathetic blocker) and propranolol (a sympathetic blocker) is investigated. In the experiment, the subjects were measured under an experimental protocol that used saline controls, with both spontaneous and paced breathing as well as apnea. The recorded data included an electrocardiogram, end tidal CO2, blood pressure and a direct measurement of the muscle sympathetic ...


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Educational Resources on Cardiovascular Oscillations

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IEEE-USA E-Books

  • Short-term complexity of cardiovascular oscillations during orthostatic change in aging

    Complexity of R-R intervals (RR) and systolic arterial pressure (SAP) variability were computed to detect the aging process influence over cardiovascular control in resting supine (REST) and standing position (STAND). One hundred healthy subjects were divided into five groups (n=20 for each), according to age: 21-30; 31-40; 41-50; 51-60; 61-70. The RR and SAP series were recorded for 15 minutes at REST and STAND. Short sequences of RR and SAP were analyzed by conditional entropy. At REST, RR complexity showed reduction with age in 61-70, and SAP complexity decreased, starting from 31-40. Changes in cardiovascular control complexity, induced by STAND, reveal the difficulty of elderly individuals in dealing with sympathetic stressors.

  • Short-term complexity of cardiovascular oscillations in frailty syndrome

    Frailty has been described as a clinical state of vulnerability to stress, consequence from decline of resilience and physiological reserves and progressive decline on ability of homeostasis maintenance. The aim of this study was to evaluate the complexity of R-R intervals (RR) in resting supine (REST) and standing (STAND) position in 3 groups: frail, pre-frail and non- frail. Eighty older people (60-94 years old) were divided into frail group (n = 6), pre-frail (n=36) and non-frail group (n=38). The RR series were recorded at REST and during STAND for 10 minutes in each position. Short sequences of RR were analyzed by conditional entropy (CE) and approximate entropy (ApEn). Position, group and interaction effects were evaluated by two-way repeated- measures ANOVA. CE indicated only position effect while ApEn showed only group effect. ApEn seems to be more suitable for assessing changes in the complexity in frailty syndrome.

  • Cardiovascular Oscillations of the Carotid Artery Assessed by Magnetoelastic Skin Curvature Sensor

    The present study concerns the nondisturbing assessment of cardiovascular oscillations of the carotid artery using a novel skin curvature sensor on the neck. The mechanical oscillations of the skin reflect changes of the artery radius and thus relevant physiological data such as cardiac and respiratory activities, their mutual dependencies, and even changes of blood pressure. The skin curvature sensor is easy to handle and it minimally disturbs the patient, which is relevant for many medical areas such as sleep monitoring.

  • The time-frequency analysis of variabilities of heart rate, systolic blood pressure and pulse transit time on normotensive subjects after exercise

    Spectral components of cardiovascular oscillations are related to complex autonomic control mechanisms. Since these oscillations are non-stationary, time-frequency (T-F) analysis has been used in studying cardiovascular oscillations such as variabilities of heart rate and blood pressure; however, few studies have extended the T-F analysis to other cardiovascular signals such as pulse transit time (PTT). In this preliminary study, a T-F analysis method based on a time-variant autoregressive model was used to study the beat to beat spectra of R-R interval (RRI) of electrocardiogram, systolic blood pressure (SBP) and PTT on 8 normotensive subjects after exercise. It is observed from the results that spectra of RRI, SBP and PTT comprised of two distinguished components in the 0.03-0.15 Hz and 0.18-0.4 Hz respectively and that the spectra of SBP and PTT were relatively similar compared to spectra of RRI. However, the beat to beat power spectral densities (PSD) of the signals were not the same all the time. Furthermore, a physiological mechanism-based model was proposed for the generation of ECG, BP and PPG signals, and to interpret the phenomena observed in experiments. Further investigation is needed to quantify this similarity and to study the inherent correlations and mechanisms mediating these cardiovascular oscillations.

  • Action of the sympathetic and parasympathetic nervous system on cardiovascular dynamics revealed by blocking drugs

    The effect of the drugs atropine (a parasympathetic blocker) and propranolol (a sympathetic blocker) is investigated. In the experiment, the subjects were measured under an experimental protocol that used saline controls, with both spontaneous and paced breathing as well as apnea. The recorded data included an electrocardiogram, end tidal CO2, blood pressure and a direct measurement of the muscle sympathetic nerve activity. The signals were analysed using time-frequency methods and an information theory approach, revealing information about the change in coupling and coherence that has not previously been studied. The results show that atropine strongly reduces the power in the signals and also removes the coupling and coherence between cardiovascular oscillations. The effects occur across a wide range of frequencies and provide insight into the neurophysiological mechanisms involved in the regulation of the cardiovascular system.

  • Analysis of cardiovascular oscillations using nonlinear dynamics methods for an enhanced diagnosis of heart and neurological diseases and for risk stratification

    Analyses of cardiovascular oscillations provided new insights into cardiovascular variability changes (as e.g. heart rate and blood pressure variability) under various physiological and pathological conditions and lead to additional prognostic information about a patient's outcome. Chronic heart failure (CHF) is a major and growing public health concern affecting about 23 million people worldwide. More than 1 million people die every year due to CHF. Many such victims could have probably survived if this disease had been diagnosed at an early stage and if the individual risk would have been known before starting an optimal therapy on time. Nonlinear dynamics (NLD) methods have shown new insights into heart rate (HR) variability changes and complement traditional time-and frequency domain analyses. Some of the most prominent indices of nonlinear and fractal dynamics are briefly introduced as well as their algorithmic implementations and applications in clinical trials as risk stratification in CHF patients. A classification of autonomic nervous system dysfunctions caused by neurological diseases and genetic influences are also discussed. Several of the nonlinear indices have been proven to be of diagnostic relevance or have contributed to risk stratification. In particular, techniques based on mono- and multi-fractal analyses and symbolic dynamics have been successfully applied to clinical studies. Further advances in analyzing cardiovascular variability are expected when applying multidimensional and multivariate approaches.

  • Does cerebral blood flow autoregulation differ between spontaneously increasing and decreasing sequences in blood pressure?

    The response of cerebral blood flow to increases and decreases in blood pressure have been reported to differ. The potential impact of this on the commonly used linear-time-invariant modelling of only spontaneous changes in blood pressure has so far not been tested. Results show that this could have a major impact on quantitative measures of cerebral autoregulaton.

  • Physiolyze: A Galaxy-based web service for Heart Rate Variability analysis with online processing

    We developed Physiolyze, a Galaxy-based web framework to process Heart Rate Variability (HRV) data. Our framework includes the pyHRV library, an up-to- date collection of Python methods to calculate HRV indexes. Physiolyze can be used both through a web interface and a web service component for a fast and configurable embedding of HRV analysis in complex processing pipelines. The framework also provides support for online processing of heart rate streaming data.

  • Empirical mode decomposition of heart rate variability. A methodological study

    Aim of this study is to investigate advantages and disadvantages of empirical mode decomposition (EMD) approaches for the investigation of heart rate variability (HRV). Signal-adaptive approaches like EMD can be used to separate components of HRV which are associated with cardiovascular regulatory mechanisms. Two EMD approaches, standard EMD and complete empirical mode decomposition (CEMD) are used to decompose the HRV of children during temporal lobe epilepsy (TLE; 10 min recordings of 18 children). As nonlinear properties are preserved by EMD, analysis of nonlinear predictability of HRV components is applied resulting in a nonlinear, time-variant, frequency-selective examination of HRV. Especially mode mixing problems are investigated. Complementary analysis steps are suggested to detect their occurrence. CEMD is able to better separate defined HRV components and to reduce, but not completely solve, mode mixing. Nonlinear analysis of CEMD based HRV components results in more distinct differences between specific seizure-related states.

  • Quantification of ventricular repolarization heterogeneity during moxifloxacin administration using V-index

    Drug-induced alterations of ventricular heterogeneity must be limited to avoid induction of lethal ventricular arrhythmias. In here, a new parameter called V-index, able to measure the standard deviation of myocites' repolarization times, was evaluated after moxifloxacin administration. 24-h Holter ECGs of 68 healthy subjects enrolled for a thorough QT study were retrospectively analyzed. The placebo and active-comparator (moxifloxacin) arms were considered. The standard QT interval (Fridericia's correction) was included as well, for a direct comparison. V-index and QT increased along with the drug's serum concentration and were statistically different from values in the placebo arm (p<;0.05). Peak values were reached 5 hours after administration (QTc: 428.77 ± 25.17 ms at 5h vs 418.08 ± 23.37 ms at 0h; V-index: 31.67 ± 11.01 ms at 5h vs 27.72 ± 7.59 at 0h) and both were statistically different from predose (p<;0.05). Interestingly, V-index displayed a larger percent variation (27.72% ± 34.06% vs 2.93% ± 2.81%; p<;0.05).



Standards related to Cardiovascular Oscillations

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Jobs related to Cardiovascular Oscillations

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