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Cardiology news
US cannabis legalization linked to rise in cardiovascular hospital admissions
Legalization of recreational cannabis in the U.S. is associated with a rise in hospital admissions for cardiovascular disease, finds an analysis of more than 50 million patient discharge records, published in the open-access ...
9 hours ago
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Cardiac MRI reveals distinct mechanisms in heart failure with preserved ejection fraction
In heart failure with preserved ejection fraction (HFpEF), the heart's pumping function is largely maintained, yet the heart is unable to fill adequately with blood. A multicenter study by the German Center for Cardiovascular ...
11 hours ago
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Newer anticoagulants may help prevent strokes in AFib patients with previous brain bleeds
For people with atrial fibrillation (AFib), an irregular heartbeat, and intracranial hemorrhage, a type of stroke also known as a brain bleed, anticoagulant use was associated with a lower risk of ischemic stroke and death, ...
Oct 21, 2026
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After stroke and AFib, restoring heart rhythm linked to lower risk of another stroke
For people hospitalized with ischemic stroke and atrial fibrillation (AFib), restoring the heart's normal rhythm within eight weeks after stroke is associated with a lower risk of having another stroke, according to a new ...
Oct 21, 2026
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Reducing nuclear damage improves heart function and survival in mice
Reducing damage to the nuclei of heart muscle cells improved heart function and extended survival in mice with a form of inherited heart disease, according to a new study led by Cornell researchers. The findings point to ...
Oct 21, 2026
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Nearly half of on-duty firefighter deaths are heart-related
Cardiac events account for nearly half of all on-duty firefighter deaths in the U.S.—a proportion that has steadily increased over the past three decades, according to a Cedars-Sinai Health Sciences University study.
Oct 21, 2026
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How symptoms guide surgery decisions for people with thickened heart muscle
Hearing that someone you love may need heart surgery can be scary, especially when you're also trying to understand an unfamiliar heart condition. In hypertrophic cardiomyopathy, or HCM, treatment usually starts with medication. ...
Oct 21, 2026
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Can drinking tea help protect against cardiovascular disease?
In a Journal of Internal Medicine study, people who drank tea had a lower risk of vascular disease than non-tea drinkers.
Oct 21, 2026
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Heart tests suggest astronauts could tolerate Mars' gravity after months in space
A trip to Mars may be more feasible than previously thought, suggests a new study led by Northwestern Medicine, UT Southwestern and UT Houston that tracked the heart function of 13 astronauts during roughly six-month missions ...
Oct 20, 2026
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Cell therapy using cardiac muscle cell aggregates improves heart function following a heart attack
In the event of a heart attack, the affected part of the heart muscle can no longer be supplied with oxygen and nutrients. As a result, the heart muscle cells (cardiomyocytes) die off. Scar tissue forms, and heart function ...
Oct 20, 2026
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Q&A: Gene editing is coming for common diseases. Cardiologists discuss if we are ready
Gene therapy is no longer the future of medicine—it's reality. Treatments that replace, silence or edit genes are already changing clinical care.
Oct 20, 2026
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Gene variants that can cause sudden death mapped
Using a high-throughput technique, an international collaboration led by Vanderbilt Health researchers has created a "map" of 1,757 genetic variations that can trigger a life-threatening heart rhythm disorder called long ...
Oct 20, 2026
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Harnessing the heart's natural defense against heart attack damage
Researchers are investigating whether the body's built-in response to low oxygen can be harnessed to reduce heart damage during heart attacks and surgery, using drugs that are already available.
Oct 20, 2026
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Machine learning spots hidden risk of functional decline after heart failure
For older adults with heart failure (HF), leaving the hospital alive does not always mean returning to an independent life. Loss of independence can reduce quality of life, increase caregiver burden and raise care needs. ...
Oct 20, 2026
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First-in-human study of dual-imaging catheter to assess heart attack risk, guide treatment
Researchers at the UC Davis National Center for Interventional Biophotonic Technologies (NCIBT) have concluded the first-in-human test of a new device that could help doctors better detect and treat atherosclerosis, the narrowing ...
Oct 20, 2026
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Testosterone therapy may increase risk of cardiovascular disease in postmenopausal women
Testosterone therapy is not routinely recommended for postmenopausal women, in part because long-term safety data remain limited. It is, however, prescribed off label to help women suffering from low libido. A new study links ...
Oct 20, 2026
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Q&A: AI tool automates echocardiogram assessment of the heart's right ventricle
A new study develops and tests DROID-RV, a deep learning model that estimates right ventricular size and function from echocardiograms, and assesses how those estimates relate to later health outcomes. Mostafa Al-Alusi, M.D., ...
Oct 20, 2026
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Premature menopause associated with higher insulin levels and greater CVD risk
Premature menopause is associated with an increased risk of several long-term health problems due to estrogen deficiency. Cardiovascular disease (CVD) is one of those health risks. However, the underlying cardiometabolic ...
Oct 20, 2026
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3D printing method could expand options for personalized cardiovascular devices
An international research team led by IMDEA Materials Institute and Universidad Politécnica de Madrid (UPM) has developed a method for manufacturing personalized cardiovascular medical devices using three-dimensional printing ...
Oct 19, 2026
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Unclogging carotid artery fails to improve cognition in clinical trial
Cognition often deteriorates when the brain's main blood vessels are clogged, but a Columbia-led study published in JAMA shows that cognition cannot be improved by opening the blockages with stenting or surgery.
Oct 19, 2026
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For caregivers with cardiovascular conditions, poor sleep and emotional distress are linked to greater strain
Family caregivers often put their own health second. For those already living with cardiovascular conditions, caregiving can add to their physical and emotional strain.
Oct 19, 2026
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One-third of Australians could benefit from preventive heart attack and stroke medications: New risk assessment
Australia's updated cardiovascular disease risk calculator is identifying substantially more Australians aged 45–74 as being at "intermediate" risk of heart attack and stroke, according to new analysis published in the Medical ...
Oct 19, 2026
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GLP-1 drugs linked to lower risk of serious heart-related complications and infections after surgery
GLP-1 medications, widely prescribed for diabetes and weight loss, may also help protect people from serious complications after surgery. People taking GLP-1 medications had lower rates of major heart-related complications ...
Oct 18, 2026
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Cannabis use linked to higher heart attack risk during and after surgery, but fewer blood clots
As marijuana use becomes more common and legal in most U.S. states, patients who use cannabis may face a significantly higher risk of heart attack around the time of surgery, while also showing an unexpected lower risk of ...
Oct 18, 2026
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Ethnic inequalities in stroke explained by differences in stroke risk factors
Stroke risk is primarily linked to differences in traditional stroke risk factors, like diabetes and high blood pressure, rather than ethnicity, according to findings from a new south London study conducted at King's College ...
Oct 16, 2026
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