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Modifying heart cell metabolism unlocks self-repair system after heart attack

Researchers at Sanford Burnham Prebys discovered that blocking an energy transfer enzyme shifts mammalian hearts into a regenerative state, promoting regeneration and improving recovery after a heart attack. By modulating heart cell metabolism, scientists can potentially awaken the heart's dormant regenerative abilities.

SourceSanford Burnham Prebys·JournalNature Cardiovascular Research·TypeExperimental study·DateSep 28, 2026

New evidence links continuous glucose monitoring with lower risk of death and cardiovascular events in people with type 2 diabetes treated with basal insulin

Researchers found a 44% lower risk of death from any cause after one year and 35% lower risk after two years among type 2 diabetes patients starting continuous glucose monitoring. CGM use also showed a reduced risk of cardiovascular events, including heart attack and stroke.

Drones could speed up delivery of automated external defibrillators to patients suffering cardiac arrest

A new study found that drones can significantly reduce the time between cardiac arrest reporting and defibrillation, particularly in rural and congested areas. By combining fixed AEDs with drones, access times can be reduced by up to 3.76 minutes, with over 95% of cases covered within five minutes.

SourceEuropean Society for Emergency Medicine (EUSEM)·TypeComputational simulation/modeling·DateSep 25, 2026

Over a third of patients with chest pains could avoid going to emergency departments if ambulance crews use new blood test

A new blood test and scoring system could reduce hospital visits for patients with chest pain by up to 34% by triaging them at home or to their general practitioner. The study found that 165 patients out of 483 assessed by ambulance crews using the test and scoring system were left at home, compared to 19 out of 539 without the test.

Weight loss alone does not explain lower heart disease for those on semaglutide

A new study suggests that semaglutide reduces heart disease risk beyond just weight loss, but the exact mechanism is unclear. The study analyzed data from a clinical trial of semaglutide, which found that patients taking the drug had a 20% lower risk of heart disease, but only half of this reduction could be explained by changes in kno...

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeRandomized controlled/clinical trial·DateSep 23, 2026

Cardiac rehabilitation cuts hospital admissions and heart attack risk

Exercise-based cardiac rehabilitation reduces hospital admissions by a third and heart attack risk by more than a quarter, with long-term benefits and cost-effectiveness. Digital programmes can be just as effective as traditional centre-based services, making rehabilitation more accessible.

SourceCochrane·JournalCochrane Database of Systematic Reviews·TypeSystematic review·DateSep 17, 2026

New clues link Long COVID and POTS

A new study has found a significant link between Long COVID and POTS, with nearly two-thirds of Long COVID participants meeting the diagnostic criteria for POTS. The study suggests that POTS may be contributing to symptoms such as dizziness, fatigue, and brain fog in some individuals with Long COVID.

SourceAdelaide University·JournalJournal of the American Heart Association·TypeCase study·DateSep 16, 2026

Reducing infections after heart surgery could save Medicare $441 million per year

A new study by Michigan Medicine found that heart surgery infection rates vary significantly across U.S. hospitals, with some experiencing nearly double the risk of others. By reducing infections, hospitals could prevent 2,600 infections and reduce Medicare spending by $441 million annually.

SourceMichigan Medicine - University of Michigan·JournalJournal of Thoracic and Cardiovascular Surgery·TypeObservational study·DateSep 15, 2026

Cardiometabolic risk factors can be identified in kids as young as 8

Researchers identified six protein signatures in children as young as 8 that significantly influence the risk of developing cardiovascular-kidney-metabolic disease in adulthood. These protein signatures were also present in adults at high risk of irreversible cardiovascular-kidney-metabolic disease. The study suggests that early interv...

Even low levels of nighttime light exposure may weaken the heart, increase the risk of cardiovascular disease

Even low levels of nighttime light exposure can lead to structural changes in the heart, increasing the risk of cardiovascular disease. Researchers analyzed data from 11,017 participants and found that those exposed to higher levels of light saw a thickening of the heart's walls and reduced flexibility during a heartbeat.

SourceTulane University·JournalEuropean Heart Journal·TypeObservational study·DateSep 9, 2026

Hormone therapy use for hot flashes and night sweats in peri- and early postmenopause linked to lower cardiovascular risk in women

A US study of 20 years of health data found that hormone therapy initiated during peri- or early postmenopause reduces cardiovascular disease risk by 22% compared to those who did not use hormone therapy. The protective effect was strongest among Black women and those who initiated therapy within 10 years of menopause onset.

SourceVirginia Commonwealth University·JournalJAMA Internal Medicine·DateSep 8, 2026

How can stressed mitochondria actually protect your heart?

A new study found that inducing mitochondrial reactive oxygen species (ROS) during embryonic development protects the adult heart from chemotherapy toxicity in mice. The study discovered that stressed mitochondria release citrate, leading to long-term epigenetic changes that promote beneficial mitohormetic adaptations. These findings s...

SourceSalk Institute·JournalScience Advances·DateSep 4, 2026

New guidance introduces framework for assessing cardiovascular risk and fitness for duty in tactical athletes

The American College of Cardiology and American Heart Association have introduced a new framework, Tactical Clinical Management (TCM), to evaluate cardiovascular risk and fitness for duty in tactical athletes. This guidance addresses the unique needs of professionals working in high-risk environments, where sudden incapacitation can af...

SourceAmerican College of Cardiology·JournalJournal of the American College of Cardiology·DateSep 3, 2026

Eating jetlag and the risk of cardiovascular disease

A new study suggests that eating jetlag, which disrupts the body's biological rhythm, may increase the risk of cardiovascular disease in men. The study found that each additional hour of eating jetlag was associated with a 14% increased risk of cardiovascular disease and a 21% increased risk of coronary heart disease.

Why some stroke patients fare better than others

A new study from the University of Colorado Boulder reveals how the brain's defense mechanism can backfire, forming micro-clots that damage tissue after the original clot is gone. This phenomenon, known as no reflow, affects up to 50% of stroke patients and can lead to long-term disability or death.

SourceUniversity of Colorado at Boulder·JournalProceedings of the National Academy of Sciences·TypeExperimental study·DateSep 2, 2026

Mental health conditions after trauma linked to higher cardiovascular risk

Research suggests that mental health conditions, including PTSD, substance abuse, and depression, can increase the risk of future cardiovascular risks such as heart attacks, strokes, and cardiovascular death. Alcohol abuse was found to be the top psychiatric predictor of serious heart and brain conditions for both men and women.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateSep 2, 2026

Japanese scientists develop heart-in-a-dish model of heart relaxation failure

Researchers have developed a human engineered heart tissue model of diastolic heart failure, enabling treatment testing with SGLT2 inhibitors, which partially prevented disease development. The model demonstrated anti-inflammatory effects of SGLT2i, improving ion exchanger function and preventing accumulation of ions in tissues.

SourceFujita Health University·JournalCell Stem Cell·TypeExperimental study·DateSep 2, 2026

Groundbreaking IU clinical trial demonstrates first potential treatment that could prevent millions of annual heart failures and deaths in severe heart attack patients

A clinical trial has demonstrated a new treatment that reduces bleeding within the heart muscle and preserves heart function in severe heart attack patients. The trial tested a peri-reperfusion therapy that limits hemorrhagic myocardial injury after primary percutaneous coronary intervention.

SourceIndiana University·JournalEuropean Heart Journal·DateAug 31, 2026

Monoclonal antibody targeting interleukin-6 achieves sustained reductions in inflammation biomarkers through six months

A phase 2 clinical trial found that a monoclonal antibody targeting interleukin-6 achieved sustained reductions in inflammation biomarkers for six months in patients with chronic kidney disease. The therapy, known as pacibekitug, was well-tolerated and showed favorable effects on additional biomarkers associated with cardiovascular risk.

SourceThe Mount Sinai Hospital / Mount Sinai School of Medicine·TypeRandomized controlled/clinical trial·DateAug 29, 2026

Children of centenarians often live longer, develop some age-related diseases later

A study led by Albert Einstein College of Medicine found that children of centenarians live longer and have lower risks of cardiovascular disease and hypertension. The research, analyzing data from three geographically diverse studies, suggests that inherited biological factors beyond lifestyle contribute to exceptional healthy aging.

SourceAlbert Einstein College of Medicine·JournalJAMA Network Open·TypeObservational study·DateAug 26, 2026

Patients with heart failure, caregivers, providers receptive to mobile health but adoption barriers persist, a JAMA paper reports

Patients with heart failure, caregivers, and providers are open to mobile health (MIH) adoption, but financial and regulatory challenges hinder its reach and sustainability. MIH programs can reduce ED transports, but their financial viability is constrained by Medicare's transport-based EMS reimbursement structure.

SourceColumbia University Irving Medical Center·JournalJAMA Network Open·DateAug 21, 2026

Machine learning model predicts who will benefit from exercise-based cardiac rehabilitation

A new study uses machine learning to predict which patients with coronary artery disease will benefit from exercise-based cardiac rehabilitation. The model accurately identifies 'non-responders' using data from cardiopulmonary exercise testing and pulse wave analysis, allowing for tailored treatment plans.

SourceJournal of Sport and Health Science·JournalJournal of Sport and Health Science·TypeObservational study·DateAug 21, 2026

Longer meal intervals linked to faster disease accumulation in older adults

A study from Karolinska Institutet found that older adults with longer meal intervals accumulated chronic diseases more rapidly than those with shorter intervals. The association was strongest among people aged 78 years and older, and was linked to faster accumulation of cardiovascular and neuropsychiatric diseases.

SourceKarolinska Institutet·JournalJournal of Internal Medicine·TypeObservational study·DateAug 20, 2026

AI tool could help heart attack survivors receive tailored care, say experts

Researchers used an AI tool to analyze health records of 12,701 UK Biobank participants who had experienced a heart attack. The study found three distinct health paths, with 63% developing cardiometabolic conditions and 23% suffering a decline in lung function. The AI tool predicted the health trajectory and identified high-risk groups...

SourceUniversity of Surrey·JournalJournal of the American Medical Informatics Association·DateAug 20, 2026

Pomegranates could unlock heart failure treatment

Scientists at King's College London discovered that urolithin A improves heart function, reduces scarring and prevents harmful enlargement of the heart in a type of heart failure. The compound has already been evaluated in human studies and shows a favorable safety profile, offering a promising new treatment target.

SourceKing's College London·JournalScience Advances·DateAug 19, 2026

Gene therapy breakthrough restores heart function

Researchers at Murdoch Children's Research Institute have made a breakthrough in gene therapy, restoring heart function in lab-grown patient heart tissue and mouse models with genetic heart disease. The therapy may also correct other genetic heart diseases, including those caused by the MYH7 gene and TTN truncating variants.

SourceMurdoch Childrens Research Institute·JournalNature Cardiovascular Research·TypeExperimental study·DateAug 19, 2026

AI-enabled stethoscope can miss the beat in pets

A new study from North Carolina State University found that an AI-enabled digital stethoscope struggled to detect cardiac murmurs and arrhythmias in cats, while performing moderately well in dogs. The researchers emphasize the need for veterinarians to rely on human expertise when using AI-assisted technology.

SourceNorth Carolina State University·JournalJournal of the American Veterinary Medical Association·TypeExperimental study·DateAug 12, 2026

Taking the stairs could cut risk of early death

A meta-analysis of nearly 1,900 studies found that climbing stairs significantly reduces the risk of dying from cardiovascular disease. Regular stair climbing was associated with lower risks of heart-related problems and major cardiovascular conditions such as heart attack, stroke, and heart failure.

SourceUniversity of East Anglia·JournalAmerican Journal of Cardiovascular Drugs·TypeMeta-analysis·DateAug 12, 2026

Blood-thinning medication linked to slower cognitive decline

A study from Karolinska Institutet found that people treated with modern NOAC blood-thinning medicines experienced a slower rate of cognitive decline compared to those receiving warfarin or no anticoagulant treatment. This was associated with lower risk of other health problems, including death, stroke, and fractures.

SourceKarolinska Institutet·JournalEuropean Heart Journal·TypeObservational study·DateAug 12, 2026