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Cardiology news
Genetics
Common gene variant linked to higher heart disease risk in people with African ancestry
Dilated cardiomyopathy (DCM), a leading cause of heart failure, is twice as common in Black individuals as in white individuals. This excess risk is not fully explained by known risk factors such as high blood pressure or ...
9 hours ago
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Cardiology
Radiofrequency renal denervation lowers blood pressure in chronic kidney disease stage 3a, b
Radiofrequency renal denervation (RDN) yields a clinically meaningful and durable reduction in blood pressure (BP), including among those with moderate-to-severe chronic kidney disease (CKD), according to a study published ...
Nov 1, 2025
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AEDs in houses improve outcomes for cardiac arrest with shockable rhythm
For patients with cardiac arrest and a shockable rhythm, automated external defibrillators (AEDs) in private homes improve outcomes but cannot be considered cost-effective at current pricing, according to a study published ...
Oct 31, 2025
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Identifying young people at risk of cardiac arrest
Many young people who suffered sudden cardiac death had recently sought medical care. More frequent use of electrocardiograms (EKG) could help prevent such cases, according to researchers at the University of Gothenburg.
Oct 31, 2025
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Predicting the risk of heart disease and dementia in older adults: Q&A
More than 70% of people over 70 years old will one day develop cardiovascular disease, highlighting the need for effective diagnosis, treatment, and care for this population.
Oct 31, 2025
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Study links genetic variants to higher 'bad' cholesterol and heart attack risk
An international team led by a University of Pittsburgh School of Medicine scientist has created a first-of-its-kind resource to identify those with a genetic risk for elevated "bad" cholesterol—a major contributor to heart ...
Oct 30, 2025
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Limb salvage therapy shows lasting success for severe artery disease patients
An update in the New England Journal of Medicine has shown that transcatheter arterialization of the deep veins (TADV) using the LimFlow System is a reliable and long-lasting therapy helping patients with chronic limb-threatening ...
Oct 30, 2025
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Rapid blood pressure fluctuations linked to early signs of brain degeneration in older adults
Even when blood pressure is well controlled, older adults whose blood pressure fluctuates widely from one heartbeat to the next may be at greater risk for brain shrinkage and nerve cell injury, according to a new study led ...
Oct 30, 2025
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Immature brain-supporting cells switch fate to restore blood flow after stroke
Stroke is a leading cause of death and disability, affecting 1 in 4 people during their lifetime. Stroke happens when blood vessels in the brain get clogged or damaged, impairing blood flow and oxygen supply to the brain, ...
Oct 30, 2025
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Oxytocin helps synchronize heartbeat and breathing, newly uncovered neural pathway suggests
When humans and other animals are in a calm state, they tend to breathe slower, and their heartbeat also slows down. Contrarily, when they are exercising or under psychological stress, both their breath and heartbeat tend ...
Swedish study links temperature extremes to higher death risk in heart failure
A multi-institution research effort led by Harvard T. H. Chan School of Public Health's Center for Climate, Health, and the Global Environment reports that short-term exposure to both low and high ambient temperatures was ...
Scientists uncover how support cells, once thought harmless, send damaging signals that weaken the heart
Heart failure (HF) is one of the leading causes of death and disability worldwide, affecting millions of people and placing an enormous burden on health care systems. The disease occurs when the heart can no longer pump blood ...
Oct 29, 2025
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Computational model helps personalize neurostimulation therapy for atrial fibrillation
Atrial fibrillation (AFib) is a cardiac disorder in which the chambers of the heart beat rapidly and irregularly. It's the most common type of arrhythmia and the leading cardiac cause of stroke.
Oct 29, 2025
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Heart 'blueprint' reveals origins of defects and insights into fetal development
New research in Sweden has produced a "blueprint" revealing how the human heart is built during prenatal development. It offers insights that could lead to improved prenatal care and new treatments for heart defects, such ...
Oct 29, 2025
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Whole-fat dairy consumption in youth associated with 24% lower artery calcification risk
For decades, Americans have been advised that cutting fat was key for a heart-healthy diet, spurring an industry of low-fat dairy products. A new generation of nutrition research is challenging some of those long-held beliefs—suggesting ...
Oct 29, 2025
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Stem cell therapy linked to lower risk of heart failure after a heart attack
Patients with weak heart function who receive stem cell therapy shortly after a heart attack are at lower risk of developing heart failure and related hospital stays compared with standard care, finds a clinical trial published ...
Oct 29, 2025
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Algorithm can predict and lengthen pacemaker battery life
Scientists have found a way to pick the best pacemaker for each patient, potentially making them last years longer.
Oct 29, 2025
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Saliva test detects heart failure biomarker for faster, noninvasive diagnosis
Australian scientists have developed a biosensor that can rapidly detect the heart failure biomarker S100A7 in saliva, offering a simple, noninvasive way to identify the disease. The breakthrough, published in Biosensors ...
Oct 29, 2025
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Addressing underdiagnoses of pregnancy-related heart failure
Peripartum cardiomyopathy (PPCM) is a rare but life-threatening condition that can affect women with previously healthy hearts a few weeks before or after giving birth. It causes a severe reduction in the pumping capacity ...
Oct 29, 2025
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RNA-based biomarkers could make it easier to detect heart failure in women
Diagnosing heart failure in women can be particularly challenging. New research on biomarkers may lead to more accurate diagnoses for heart failure, in both women and men.
Oct 29, 2025
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ENCIRCLE trial transforms treatment of mitral regurgitation
David Daniels, M.D., an interventional cardiologist with Sutter West Bay Medical Group and structural heart section chief of Sutter's Advanced Heart & Vascular Service Line, presented results of the international ENCIRCLE ...
Oct 29, 2025
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Flavanols in cocoa can protect blood vessel function following uninterrupted sitting, study shows
New research from the University of Birmingham shows that eating flavanol-rich foods—like tea, berries, apples, and cocoa—can protect vascular health in men from the harmful effects of prolonged sitting. The research ...
Oct 29, 2025
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Scientists discover a new way the body repairs itself after heart injury
An immune cell type called macrophages, found throughout the body's tissues, are often referred to as the body's clean-up crew. That is because they can switch between two modes: one that finds and destroys germs and clears ...
Oct 29, 2025
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Sleep regularity and other sleep habits in adolescence predict young adult heart health
A study of 307 youth from a diverse population across the United States whose health data were documented from birth into adulthood revealed that earlier sleep timing, more efficient sleep, and less variable sleep patterns ...
Oct 29, 2025
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GLIS model as a predictor of outcomes in older adults with heart failure
With populations aging rapidly worldwide, heart failure has become one of the most pressing medical and social challenges. Older patients face not only a high mortality risk but also losses in muscle strength, mobility, and ...
Oct 29, 2025
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