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🦜 Cardiology News - congenital heart defects, coronary artery disease, heart failure, valvular heart disease, electrophysiology.

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The latest medical research news on cardiology

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Mapping the heart: How cells coordinate repair after heart attack

https://medicalxpress.com/news/2025-11-heart-cells.html

Published: November 3, 2025 18:30

Over the course of evolution, the human heart has largely lost its ability to regenerate. Our distant ancestors were not afflicted by heart attacks—a condition that emerged primarily with modern lifestyles marked by poor diet, obesity, and other…

Exploring placental malperfusion's impact on fetal health and development in congenital heart disease

https://medicalxpress.com/news/2025-11-exploring-placental-malperfusion-impact-fetal.html

Published: November 3, 2025 15:02

Researchers at Children's Hospital of Philadelphia (CHOP) discovered that placental malperfusion (PMP), a condition that disrupts blood flow in the placenta, is common in fetuses with congenital heart disease (CHD) and is linked to poor fetal growth,…

Waist-to-height ratio outperforms BMI in predicting heart disease risk

https://medicalxpress.com/news/2025-11-waist-height-ratio-outperforms-bmi.html

Published: November 3, 2025 10:16

The ratio of a person's waist measurement compared to their height is more reliable than body mass index (BMI) at predicting heart disease risk, according to new research from UPMC and University of Pittsburgh physician-scientists.

Improving care for life-threatening blood clots

https://medicalxpress.com/news/2025-11-life-threatening-blood-clots.html

Published: November 3, 2025 09:52

Pulmonary embolism (PE), a type of blood clot in the lungs, sends more than half a million people to U.S. hospitals each year—and kills about one in five high-risk patients, according to the American Heart Association 2025 statistical update. PE is the…

Low-dose aspirin linked to lower cardiovascular event risk for adults with type 2 diabetes

https://medicalxpress.com/news/2025-10-dose-aspirin-linked-cardiovascular-event.html

Published: November 3, 2025 05:00

People with type 2 diabetes (T2D) and an elevated risk for cardiovascular disease (CVD) who took low-dose aspirin were less likely to experience a major cardiovascular event, including heart attack, stroke or death, than people with T2D at similar CVD risk…

Optimal cardiovascular health among people with type 2 diabetes may offset dementia risk

https://medicalxpress.com/news/2025-10-optimal-cardiovascular-health-people-diabetes.html

Published: November 3, 2025 05:00

Having optimal cardiovascular health may offset the risk of developing mild cognitive impairment and dementia for people with type 2 diabetes (T2D), even among those with a high genetic risk for cognitive decline, according to a preliminary study to be…

Quick CPR from lay rescuers can nearly double survival for children after cardiac arrest

https://medicalxpress.com/news/2025-10-quick-cpr-lay-rescuers-survival.html

Published: November 3, 2025 05:00

Cardiopulmonary resuscitation (CPR) performed within five minutes of a child's heart stopping nearly doubled their chances of survival, according to preliminary research to be presented at the American Heart Association's Resuscitation Science Symposium…

Long-term use of melatonin supplements to support sleep may have negative heart health effects

https://medicalxpress.com/news/2025-10-term-melatonin-supplements-negative-heart.html

Published: November 3, 2025 05:00

Long-term use of melatonin supplements, often used to promote sleep and address insomnia, is associated with a higher risk of heart failure diagnosis, heart failure, hospitalization and death from any cause in chronic insomnia, according to a preliminary…

Assessing heart-pumping glitch may reduce stroke risk in adults with heart muscle disease

https://medicalxpress.com/news/2025-10-heart-glitch-adults-muscle-disease.html

Published: November 3, 2025 05:00

A hidden atrial dysfunction may raise stroke risk in people with transthyretin amyloid cardiomyopathy (ATTR-CM); however, a noninvasive assessment tool may help identify those at increased risk, according to a preliminary study to be presented at the…

Specific human gene can help the heart repair itself from heart attack or heart failure

https://medicalxpress.com/news/2025-10-specific-human-gene-heart-failure.html

Published: November 3, 2025 05:00

A naturally occurring gene called Cyclin A2 (CCNA2), which turns off after birth in humans, can actually make new, functioning heart cells and help the heart repair itself from injury, including a heart attack or heart failure, when the gene is turned back…

AI tool detects structural heart disease in adults using a smartwatch

https://medicalxpress.com/news/2025-10-ai-tool-heart-disease-adults.html

Published: November 3, 2025 05:00

An artificial intelligence (AI) algorithm paired with the single-lead electrocardiogram (ECG) sensors on a smartwatch accurately diagnosed structural heart diseases, such as weakened pumping ability, damaged valves or thickened heart muscle, according to a…

Exposure to more artificial light at night may raise heart disease risk

https://medicalxpress.com/news/2025-10-exposure-artificial-night-heart-disease.html

Published: November 3, 2025 05:00

Higher levels of artificial light at night were linked to increased stress-related activity in the brain, inflamed arteries and a higher risk of heart disease, according to a preliminary study presented at the American Heart Association's Scientific…

Analyzing 3 biomarker tests together may help identify high heart disease risk earlier

https://medicalxpress.com/news/2025-10-biomarker-high-heart-disease-earlier.html

Published: November 3, 2025 05:00

A combined analysis of blood tests to measure three biomarkers linked to higher risk of cardiovascular disease—lipoprotein a (Lp(a)), remnant cholesterol and high-sensitivity C-reactive protein (hsCRP)—may help identify high-risk individuals earlier and…

Healthy lifestyle combined with newer diabetes medications lowers cardiovascular risk, preliminary study suggests

https://medicalxpress.com/news/2025-10-healthy-lifestyle-combined-diabetes-medications.html

Published: November 3, 2025 05:00

People with type 2 diabetes who combined healthy lifestyle habits with GLP-1 receptor agonist (GLP-1 RA) medications had a greater reduction in risk of major adverse cardiovascular events, including heart attack, stroke or cardiovascular disease death,…

Common gene variant linked to higher heart disease risk in people with African ancestry

https://medicalxpress.com/news/2025-10-common-gene-variant-linked-higher.html

Published: November 2, 2025 07:50

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 socioeconomic barriers to care.

Radiofrequency renal denervation lowers blood pressure in chronic kidney disease stage 3a, b

https://medicalxpress.com/news/2025-10-radiofrequency-renal-denervation-lowers-blood.html

Published: November 1, 2025 13:00

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 online Oct. 29 in Hypertension.

AEDs in houses improve outcomes for cardiac arrest with shockable rhythm

https://medicalxpress.com/news/2025-10-aeds-houses-outcomes-cardiac-shockable.html

Published: October 31, 2025 15:00

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 online Oct. 25 in JAMA Internal…

Identifying young people at risk of cardiac arrest

https://medicalxpress.com/news/2025-10-young-people-cardiac.html

Published: October 31, 2025 13:32

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.

Limb salvage therapy shows lasting success for severe artery disease patients

https://medicalxpress.com/news/2025-10-limb-salvage-therapy-success-severe.html

Published: October 30, 2025 14:48

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 ischemia (CLTI), the most…

Study links genetic variants to higher 'bad' cholesterol and heart attack risk

https://medicalxpress.com/news/2025-10-links-genetic-variants-higher-bad.html

Published: October 30, 2025 14:00

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 disease.

Immature brain-supporting cells switch fate to restore blood flow after stroke

https://medicalxpress.com/news/2025-10-immature-brain-cells-fate-blood.html

Published: October 30, 2025 11:33

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, which leads to death of neurons…

Rapid blood pressure fluctuations linked to early signs of brain degeneration in older adults

https://medicalxpress.com/news/2025-10-rapid-blood-pressure-fluctuations-linked.html

Published: October 30, 2025 06:27

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 by the USC Leonard Davis School…

Stem cell therapy linked to lower risk of heart failure after a heart attack

https://medicalxpress.com/news/2025-10-stem-cell-therapy-linked-heart.html

Published: October 29, 2025 19:30

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 by The BMJ today.

GLIS model as a predictor of outcomes in older adults with heart failure

https://medicalxpress.com/news/2025-10-glis-predictor-outcomes-older-adults.html

Published: October 29, 2025 13:24

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 independence.

Addressing underdiagnoses of pregnancy-related heart failure

https://medicalxpress.com/news/2025-10-underdiagnoses-pregnancy-heart-failure.html

Published: October 29, 2025 13:02

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 of the left ventricle. PPCM…

Scientists uncover how support cells, once thought harmless, send damaging signals that weaken the heart

https://medicalxpress.com/news/2025-10-scientists-uncover-cells-thought-harmless.html

Published: October 29, 2025 12:53

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 efficiently, leaving patients…

Whole-fat dairy consumption in youth associated with 24% lower artery calcification risk

https://medicalxpress.com/news/2025-10-fat-dairy-products-heart-health.html

Published: October 29, 2025 11:57

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 that for dairy…

Sleep regularity and other sleep habits in adolescence predict young adult heart health

https://medicalxpress.com/news/2025-10-regularity-habits-adolescence-young-adult.html

Published: October 29, 2025 11:54

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 during adolescence predicted…

Saliva test detects heart failure biomarker for faster, noninvasive diagnosis

https://medicalxpress.com/news/2025-10-saliva-heart-failure-biomarker-faster.html

Published: October 29, 2025 11:17

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 and Bioelectronics: X, could make…

Swedish study links temperature extremes to higher death risk in heart failure

https://medicalxpress.com/news/2025-10-swedish-links-temperature-extremes-higher.html

Published: October 29, 2025 11:10

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 associated with increasing…

Higher stroke risk found in disadvantaged communities

https://medicalxpress.com/news/2025-10-higher-disadvantaged-communities.html

Published: October 29, 2025 10:13

A new study by researchers at the University of Tasmania's Menzies Institute for Medical Research has found people living in lower socio-economic areas (SES) are significantly more likely to experience stroke than people living in higher SES areas.

Scientists discover a new way the body repairs itself after heart injury

https://medicalxpress.com/news/2025-10-scientists-body-heart-injury.html

Published: October 29, 2025 09:00

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 the dead cells after injury and…

AI ECG better detects severe heart attacks in emergency setting, and have fewer false positives

https://medicalxpress.com/news/2025-10-ai-ecg-severe-heart-emergency.html

Published: October 29, 2025 08:50

Using artificial intelligence (AI) to analyze electrocardiograms (ECG) improved detection of severe heart attacks, including those that presented with unconventional symptoms, or atypical ECG patterns, and reduced false positives, according to a study…

Oxytocin helps synchronize heartbeat and breathing, newly uncovered neural pathway suggests

https://medicalxpress.com/news/2025-10-oxytocin-synchronize-heartbeat-newly-uncovered.html

Published: October 29, 2025 06:30

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 to speed up.

Heart 'blueprint' reveals origins of defects and insights into fetal development

https://medicalxpress.com/news/2025-10-heart-blueprint-reveals-defects-insights.html

Published: October 29, 2025 06:00

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 as holes between heart chambers or…

Some acute and chronic viral infections may increase the risk of cardiovascular disease

https://medicalxpress.com/news/2025-10-acute-chronic-viral-infections-cardiovascular.html

Published: October 29, 2025 05:00

In the weeks following a bout of influenza or COVID, the risk of heart attack or stroke may rise dramatically, and chronic infections such as HIV may increase the long-term risk of serious cardiovascular disease events, according to new, independent…

Flavanols in cocoa can protect blood vessel function following uninterrupted sitting, study shows

https://medicalxpress.com/news/2025-10-flavanols-cocoa-blood-vessel-function.html

Published: October 29, 2025 04:00

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 has been published in the Journal of…

Lower eosinophil count linked to mortality in patients with acute COPD exacerbation in ICU

https://medicalxpress.com/news/2025-10-eosinophil-linked-mortality-patients-acute.html

Published: October 28, 2025 20:40

For patients with acute exacerbation of chronic obstructive pulmonary disease (AECOPD) admitted to the intensive care unit (ICU), lower eosinophil counts are associated with increased in-hospital mortality, according to a study published online Oct. 24 in…

Women gain greater heart benefits from exercise than men, activity tracker analysis finds

https://medicalxpress.com/news/2025-10-women-gain-greater-heart-benefits.html

Published: October 28, 2025 11:51

Female individuals may experience a three-fold reduction in mortality risk from coronary heart disease when following recommended exercise guidelines, compared to male individuals. These findings, published in Nature Cardiovascular Research, suggest that…

How neurons go with the flow when migrating through the brain

https://medicalxpress.com/news/2025-10-neurons-migrating-brain.html

Published: October 28, 2025 11:50

Researchers have discovered how newly created neurons depend on blood flow in the adult brain to travel from their site of origin to their final location. The study in mice, published today in eLife, is described by the editors as fundamental.

Minimally invasive procedure for aortic valve disease has similar outcomes as surgery, study reports

https://medicalxpress.com/news/2025-10-minimally-invasive-procedure-aortic-valve.html

Published: October 28, 2025 11:35

People who underwent a minimally invasive procedure to have their heart's aortic valve replaced had similar health outcomes years after treatment as people who had surgery, Cedars-Sinai investigators and colleagues report.

Clinical Frailty Scale can predict 2-year mortality after heart failure hospitalization

https://medicalxpress.com/news/2025-10-clinical-frailty-scale-year-mortality.html

Published: October 28, 2025 09:59

Frailty is closely linked to adverse outcomes in older adults, particularly those with heart failure. Numerous epidemiologic studies show that frailty has important prognostic value in this population, underscoring the need for routine assessment.

Research reveals significant prevalence of valvular heart disease among older Americans

https://medicalxpress.com/news/2025-10-reveals-significant-prevalence-valvular-heart.html

Published: October 28, 2025 06:00

Results from the PREVUE-VALVE study suggest that there are currently at least 4.7 million people aged 65–85 living with moderate or greater valvular heart disease (VHD) in the United States, and at least 10.6 million with clinically significant VHD, most…

Novel sirolimus-eluting balloon appears noninferior to conventional therapies for treatment of in-stent restenosis

https://medicalxpress.com/news/2025-10-sirolimus-eluting-balloon-noninferior-conventional.html

Published: October 28, 2025 05:41

Results from the first randomized clinical trial in the United States to compare a sirolimus-eluting balloon (DEB) to a control group consisting of drug-eluting stent (DES) and balloon angioplasty (BA) for the treatment of bare-metal and DES in-stent…

Super-high-pressure non-compliant balloons for calcified coronary lesions noninferior to intravascular lithotripsy

https://medicalxpress.com/news/2025-10-super-high-pressure-compliant-balloons.html

Published: October 28, 2025 05:34

New study findings show that utilizing super-high-pressure non-compliant balloons (NCB) is non-inferior to intravascular lithotripsy (IVL) balloon catheters for lesion preparation and stent expansion in severely calcified lesions during percutaneous…

Cutting balloon treatment found to be 'safe and effective' for patients with calcified coronary artery disease

https://medicalxpress.com/news/2025-10-balloon-treatment-safe-effective-patients.html

Published: October 28, 2025 05:31

Results from the first randomized controlled trial to directly compare the safety and efficacy of cutting balloon (CB) angioplasty to intravascular lithotripsy (IVL) prior to drug‐eluting stent (DES) implantation for the treatment of calcified coronary…

PCI with a sirolimus-eluting balloon and provisional stenting shows promise for treatment of de novo coronary lesion

https://medicalxpress.com/news/2025-10-pci-sirolimus-eluting-balloon-provisional.html

Published: October 28, 2025 05:26

New study results from a large international all-comer population of percutaneous coronary intervention (PCI) candidates found that utilizing a strategy of sirolimus-eluting balloons with bailout stenting only if necessary was noninferior to routine…

Body clocks matter for heart health

https://medicalxpress.com/news/2025-10-body-clocks-heart-health.html

Published: October 28, 2025 05:00

As modern lifestyles increasingly challenge the body's natural circadian rhythm, the American Heart Association is spotlighting the potential health consequences of regular disruptions to our body's internal clock with a new scientific statement published…

Health data in England show changing patterns of heart diseases before, during and after the pandemic

https://medicalxpress.com/news/2025-10-health-england-patterns-heart-diseases.html

Published: October 27, 2025 19:30

A comprehensive study of electronic health records for 57 million people living in England has revealed the evolving burden of cardiovascular diseases before, during and after the COVID-19 pandemic.