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New study uncovers how genetics and lifestyle drive the heart disease dilated cardiomyopathy

Researchers found that individuals with a mutation in the TTN gene are 21 times more likely to develop dilated cardiomyopathy than those without. Lifestyle factors such as being overweight or having high alcohol consumption contribute to an earlier diagnosis, and men with the mutation are more likely to develop DCM at a younger age.

SourceVictor Chang Cardiac Research Institute·JournalEuropean Heart Journal·TypeObservational study·DateAug 11, 2025

Debunking a life-threatening myth: "Tongue swallowing prevention" maneuvers delay CPR and might contribute to brain injury or death for collapsed athletes

A study in the Canadian Journal of Cardiology finds that delaying chest compressions to prevent tongue swallowing can lead to poor outcomes, including death or severe brain injury. The research exposes media-fueled misconceptions and emphasizes the importance of immediate CPR training.

SourceElsevier·JournalCanadian Journal of Cardiology·TypeData/statistical analysis·DateJul 30, 2025

Sunny side up for eggs and cholesterol

A new study from the University of South Australia confirms that eggs are not high in cholesterol and do not contribute to cardiovascular disease. In contrast, saturated fat intake was found to increase LDL levels, highlighting the importance of dietary balance for heart health.

SourceUniversity of South Australia·JournalAmerican Journal of Clinical Nutrition·TypeCase study·DateJul 17, 2025

Tens of thousands of heart attacks and strokes could be avoided each year if cholesterol-lowering drugs were used according to guidelines

A new study found significant gaps between recommended and actual use of cholesterol-lowering drugs, with nearly half of eligible patients not taking them. Closing these gaps could prevent tens of thousands of heart attacks, strokes, and bypass surgeries annually, saving up to $30.6 billion in medical costs.

Still top cause of death, the types of heart disease people are dying from is changing

Research reveals significant drop in heart attack deaths, while increases observed in deaths from heart failure, arrhythmias, and hypertensive heart disease over the past 50 years. Studies suggest advancements in medical treatment, bystander CPR, and public health initiatives have contributed to these findings.

SourceAmerican Heart Association·JournalJournal of the American Heart Association·DateJun 25, 2025

MRI-based method identifies high-risk cardiac sarcoidosis patients who would benefit from defibrillators

Researchers developed a simpler way to identify patients with suspected cardiac sarcoidosis at increased risk of sudden cardiac death. CMR phenotyping can help determine which patients would benefit from an implantable cardioverter-defibrillator for primary prevention, improving decision-making in clinical practice.

SourceUniversity of Minnesota Medical School·JournalEuropean Heart Journal·TypeObservational study·DateJun 5, 2025

Never too old: medication improves survival rates after a first heart attack even in patients over 90 years old

A study found that prescribing guideline-directed medical treatment to patients 90 years and older following their first heart attack can improve survival rates. The greatest benefit was observed in those who received all four recommended therapies, including beta-blockers and renin-angiotensin-aldosterone system inhibitors.

SourceElsevier·JournalCanadian Journal of Cardiology·TypeData/statistical analysis·DateMay 22, 2025

Male bodybuilders face high risk of sudden cardiac death, especially those who compete professionally

A study published in the European Heart Journal found that male bodybuilders have a high risk of sudden cardiac death, with professional bodybuilders facing a more than fivefold increase in risk. The study highlights the need for greater awareness, preventive strategies and policy changes within the bodybuilding community.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateMay 20, 2025

Fatty muscles raise the risk of serious heart disease regardless of overall body weight

Research published in the European Heart Journal found that people with high amounts of intermuscular fat are more likely to develop coronary microvascular dysfunction and future serious heart disease. The study's lead author suggests that existing measures of obesity may not be accurate for all individuals, particularly women.

SourceEuropean Society of Cardiology·JournalEuropean Heart Journal·TypeObservational study·DateJan 19, 2025

Mass General Brigham research leads to new insights on preventing brain injury after cardiac arrest

A team of researchers from Mass General Brigham has identified changes in immune cells that can predict patient recovery after cardiac arrest. The study suggests that a particular population of cells may provide protection against brain injury and a drug that can activate these cells, improving neurological outcomes in preclinical stud...

SourceMass General Brigham·JournalScience Translational Medicine·TypeObservational study·DateDec 4, 2024

World's first individual gene mutation test for predicting risk of sudden cardiac death

A new individualized risk prediction tool has been developed to predict the severity of heart disease in people suffering from Long QT syndrome. The test analyzes genetic mutations associated with the condition and can identify those at high risk of sudden cardiac death, allowing for tailored treatment.

SourceVictor Chang Cardiac Research Institute·JournalCirculation·TypeData/statistical analysis·DateSep 25, 2024

Can naloxone improve survival rates of patients with cardiac arrest?

A recent UC Davis Health study found that administering naloxone to patients with opioid-associated out-of-hospital cardiac arrest (OHCA) significantly improves return of spontaneous circulation and survival rates. The study analyzed data from San Francisco, Sacramento, and Yolo county EMS agencies between 2015-2023.

SourceUniversity of California - Davis Health·JournalJAMA Network Open·TypeData/statistical analysis·DateAug 20, 2024