Popular Arrhythmia News and Current Events

Popular Arrhythmia News and Current Events, Arrhythmia News Articles.
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Wearable defibrillators may be an alternative to surgically implanted device for children with certain heart rhythm disorders
Study finds external wearable defibrillators are safe and effective in children with ventricular heart rhythm disorders that put them at risk for sudden cardiac death. The wearable devices may provide a reliable alternative to surgically implanted defibrillators in patients who cannot have surgically placed devices or who do not need them long term. (2018-06-26)

A 'virtual heart' to simulate arrhythmia
A group of researchers from MIPT and Ghent University have proposed a mathematical model which is able to determine the factors responsible for the formation of different fibrosis patterns, which are believed to cause arrhythmia. To reproduce the formation of cardiac tissue, the researchers took a mathematical model -- one that is widely applied to study tissue growth -- and optimized it using the previously collected experimental data. (2017-09-06)

Physiological markers for cutting, other self-harming behaviors by teenage girls found
Non-fatal, self-inflicted injuries by adolescent and young adult females have become major public health problems and researchers have found physiological evidence that this behavior may lead to a more serious psychological condition called borderline personality disorder. (2006-06-16)

Catheter ablations reduce risks of stroke in heart patients with stroke history, study finds
Atrial fibrillation patients with a prior history of stroke who undergo catheter ablation to treat the abnormal heart rhythm lower their long-term risk of a recurrent stroke by 50 percent, according to new research from the Intermountain Medical Center Heart Institute. (2016-11-13)

Predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope
In a new publication from Cardiovascular Innovations and Applications; DOI https://doi.org/10.15212/CVIA.2019.1266, Zhuzhi Wen, Jingying Hou, Zun Mai, Huifen Huang, Yangxin Chen, Dengfeng Geng and Jingfeng Wang from Sun Yat-sen University, Guangzhou, China and Guandong Province Key Laboratory of Arrhythmia and Electrophysiology, Guangzhou, China consider predictive value of blood pressure, heart rate, and blood pressure/heart rate ratio in a Chinese subpopulation with vasovagal syncope. (2021-01-22)

New model estimates odds of events that trigger sudden cardiac death
A new computational model of heart tissue allows researchers to estimate the probability of rare heartbeat irregularities that can cause sudden cardiac death. The model, developed by Mark Walker and colleagues from Johns Hopkins University, Baltimore, and IBM Research, Yorktown Heights, N.Y., is presented in PLOS Computational Biology. (2017-11-16)

ADHD medication linked to slightly increased risk of heart rhythm problems
Use of methylphenidate in children and young people with ADHD is associated with a slightly increased risk of abnormal heart rhythm (arrhythmia) shortly after the start of treatment, suggests research published by The BMJ today. (2016-05-31)

Catheter ablation better than traditional drug therapies for treating atrial fibrillation
New study shows radiofrequency catheter ablation lowered hospitalization and mortality rates by 47 and 44 percent respectively in patients with atrial fibrillation (AF), a contributing factor to heart failure. (2017-08-27)

Telemonitoring in cardiac disorders: Benefit still unclear
The data showed no relevant differences for some outcome criteria, and data were missing for others -- also because some studies remain incompletely published. (2018-03-09)

Guidelines on management of fast heartbeat published today
The European Society of Cardiology (ESC) Guidelines on supraventricular tachycardia are published online today in European Heart Journal, and on the ESC website. The document highlights how catheter ablation is revolutionizing care for this group of common arrhythmias. (2019-08-31)

Heart derived stem cells develop into heart muscle
Dutch researchers at University Medical Center Utrecht and the Hubrecht Institute have succeeded in growing large numbers of stem cells from adult human hearts into new heart muscle cells. A breakthrough in stem cell research. Until now, it was necessary to use embryonic stem cells to make this happen. The findings are published in the latest issue of the journal Stem Cell Research. (2008-04-23)

Asymptomatic atrial fibrillation poses challenges for cardiac care
In a study published in the journal CHEST®, researchers found that asymptomatic paroxysmal atrial fibrillation (AF) patients are more likely to be older, male, and have more comorbidities and a higher risk of stroke than symptomatic patients. In an analysis of a sustained AF (SAF) group, the prevalence of major comorbidities and stroke risk were comparable in both asymptomatic and symptomatic patients. (2018-01-17)

Catheter ablation better than pharmacological atrial fibrillation therapies
A new study revealed patients receiving radiofrequency catheter ablation compared to traditional drug therapies for atrial fibrillation (AF), a contributing factor to heart failure, had significantly lower hospitalization and mortality rates. The findings are published in the Feb. 1 issue of the New England Journal of Medicine. (2018-01-31)

Novel software offers possible reduction in arrhythmic heart disease
Potentially lethal heart conditions may become easier to spot and may lead to improvements in prevention and treatment thanks to innovative new software that measures electrical activity in the organ. (2019-02-14)

Targeted drug therapy prevents exercise-induced arrhythmias
Researchers report this week in Nature Medicine that the clinically available drug flecainide prevents potentially lethal arrhythmias in patients with a specific type of exercise or stress-induced arrhythmia disorder called CPVT. (2009-03-29)

UIC researchers create heart cells to study AFib
University of Illinois at Chicago researchers have discovered a way turn pluripotent stem cells into atrial cells. The discovery will enable them to better study atrial fibrillation, the most common heart rhythm disorder. (2018-05-03)

New cell therapy aids heart recovery -- without implanting cells
A team led by Columbia University Biomedical Engineering Professor Gordana Vunjak-Novakovic has designed a creative new approach to help injured hearts regenerate by applying extracellular vesicles secreted by cardiomyocytes rather than implanting the cells. The study shows that the cardiomyocytes derived from human pluripotent stem cells (derived in turn from a small sample of blood) could be a powerful, untapped source of therapeutic microvesicles that could lead to safe and effective treatments of damaged hearts. (2018-04-23)

Loneliness is bad for the heart
Loneliness is bad for the heart and a strong predictor of premature death, according to a study presented today at EuroHeartCare 2018, the European Society of Cardiology's annual nursing congress. The study found that feeling lonely was a stronger predictor of poor outcomes than living alone, in both men and women. (2018-06-09)

Collaborative team first to identify the perinexus in the human heart
A collaborative research team is on a quest to collapse a tiny pocket between cardiac cells that can cause big problems. Called the perinexus, the structure spans only tenths of a millimeter -- all the space it needs to disrupt a person's heartbeat. The researchers were the first to identify the perinexus in humans. They published their results this month in Frontiers in Physiology. (2018-06-06)

Change in use of ICDs after Department of Justice announces investigation into potential overuse
A US Department of Justice investigation into the placement of implantable cardioverter-defibrillators (ICDs) in Medicare patients who didn't qualify for them based upon Medicare coverage criteria was associated with significant decreases in the use of the devices that shock the heart to restore normal rhythm and in the proportion of devices not meeting these established criteria. (2018-07-03)

Medication adherence a problem in atrial fibrillation patients
Anticoagulant therapy is important for stroke prevention in people with atrial fibrillation, but a new study shows many people don't stick with it. (2017-01-04)

Link between alcohol consumption and cardiac arrhythmias
Researchers who studied beer drinkers at the Munich Octoberfest have found that the more alcohol consumed the higher was the likelihood of developing abnormal heart rhythms called cardiac arrhythmias. The research, which is published in the European Heart Journal, is important because it is thought that arrhythmias can, in some circumstances, lead to atrial fibrillation, an irregular heart beat that can result in severe discomfort and, in the long run, more serious consequences such as heart failure and stroke. (2017-04-25)

Scientists develop way to perform supercomputer simulations of the heart on cellphones
You can now perform supercomputer simulations of the heart's electrophysiology in real time on desktop computers and even cellphones. A team of scientists from Rochester Institute of Technology and Georgia Tech developed a new approach that can not only help diagnose heart conditions and test new treatments, but pushes the boundaries of cardiac science by opening up a floodgate of new cardiac research and education. (2019-03-29)

Diagnostics of genetic cardiac diseases using stem cell-derived cardiomyocytes
A new study by Professors Martti Juhola and Katriina Aalto-Setälä of the University of Tampere in Finland demonstrates that with the use of artificial intelligence and machine learning, it is possible not only to accurately sort sick cardiac cell cultures from healthy ones, but also to differentiate between genetic cardiac diseases. (2018-06-19)

Inflammatory signals in heart muscle cells linked to atrial fibrillation
Interfering with inflammatory signals produced by heart muscle cells might someday provide novel therapeutic strategies for atrial fibrillation, according to an international team of researchers. (2018-06-04)

Computer program predicts risk of deadly irregular heart beats
Combining a wealth of information derived from previous studies with data from more than 500 patients, an international team led by researchers from Johns Hopkins has developed a computer-based set of rules that more accurately predicts when patients with a rare heart condition might benefit -- or not -- from lifesaving implanted defibrillators. (2019-03-27)

Nation's first cardiac ablation with mapping system recently cleared by the FDA performed at Penn Medicine
After eight years of failed treatment for persistent atrial fibrillation (AF), Janet Szilagyi, 78 of Clayton, New Jersey, became the first patient in the United States to undergo cardiac ablation -- a procedure in which an electrophysiologist will scar or destroy tissue in the heart that's allowing incorrect electrical signals to cause an abnormal heart rhythm -- using an intraoperative imaging and mapping system recently cleared by the Food and Drug Administration (FDA). (2018-05-03)

Changes in heart activity may signal epilepsy
Researchers at Case Western Reserve University have found that the parasympathetic nervous system modulates breathing and slows the heart rate of sleeping children with epilepsy substantially more than in healthy children. The finding may have implications for diagnosing and treating the disease and understanding sudden unexpected death in epilepsy. (2016-03-09)

How dietary fiber and gut bacteria protect the cardiovascular system
The fatty acid propionate helps defend against the effects of high blood pressure, including atherosclerosis and heart tissue remodeling, a study on mice has found. Gut bacteria produce the substance -- which calms the immune cells that drive up blood pressure -- from natural dietary fiber. (2018-12-21)

Mayo Clinic spearheads research to discover unsuspected gene for atrial fibrillation
Mayo Clinic researchers have found a gene mutation linked to one family's hereditary form of atrial fibrillation. (2008-07-09)

Studies point to novel target for treating arrhythmias
Vanderbilt investigators have discovered a new molecular mechanism associated with arrhythmias (abnormal heart rhythms). They report in the Journal of Clinical Investigation that increased calcium sensitivity of the heart cell's contractile apparatus contributes to arrhythmia susceptibility. The findings could lead to novel arrhythmia treatments. (2009-01-21)

Automatic external defibrillators save lives in amateur sports and fitness centers
Automatic external defibrillators (AEDs) save lives in amateur sports and fitness centers, according to research presented at ESC Congress today. The 18-year study found that survival from cardiac arrest reached 93 percent in centers equipped with an AED. (2017-08-27)

Unlocking the secrets of how cells communicate offers insights into treating diseases
Portland State University researchers have made a significant breakthrough by developing the 3D structure of proteins from inside the eye lens that control how cells communicate with each other, which could open the door to treating diseases such as cataracts, stroke and cancer (2018-12-12)

Biomarker predicts success of Afib treatment
Johns Hopkins researchers report successful use of heart imaging to predict the benefit or futility of catheter ablation, an increasingly popular way to treat atrial fibrillation, a common heart rhythm disorder. (2018-02-12)

Noninvasive imaging helps predict heart attacks
Noninvasive CT angiography and stress tests can help predict which patients are likely to suffer a heart attack or other adverse cardiovascular event, according to a new study. (2017-03-14)

Reconstructing what makes us tick
A major issue that limits modeling to predict cardiac arrhythmia is that it is impossible to measure and monitor all the variables that make our hearts tick, but researchers have now developed an algorithm that uses artificial intelligence to model the electrical excitations in heart muscle. Their work, appearing in Chaos, draws on partial differential equations describing excitable media and echo state networks to cross-predict variables about chaotic electrical wave propagations in cardiac tissue. (2018-04-24)

Cancer survivors at risk for heart failure during, after pregnancy
Young women previously treated for cancer with chemotherapy or radiation therapy with a prior history of cardiotoxicity are more likely to develop clinical congestive heart failure (CHF) during and after pregnancy, according to a study published today in the Journal of the American College of Cardiology. (2018-10-15)

Preventing sudden cardiac death with genome editing
Gene editing successfully prevented sudden cardiac death in a mouse model of inherited cardiac arrhythmia disorder. (2018-10-30)

Cause of heart arrhythmia in adult muscular dystrophy clarified
An international joint research group found that the cause of heart arrhythmia in myotonic dystrophy was RNA abnormalities in the sodium channel in the heart, clarifying the symptom's mechanism. This finding will be helpful in prevention and early intervention of death in this disease, leading to the development of new treatment. (2016-06-15)

Machining the heart: New predictor for helping to beat chronic heart failure
Researchers from Kanazawa University have used machine learning to predict which classes of chronic heart failure patients are most likely to experience heart failure death, and which are most likely to develop an arrhythmic death or sudden cardiac death. If confirmed in a larger study, these results will help doctors extend the life of patients worldwide. (2020-07-16)

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