Acute Coronary Syndromes

Acute coronary syndrome (ACS) is most commonly caused by a heart attack (myocardial infarction) where blood flow to the heart is suddenly blocked. This is usually caused by a blood clot from a ruptured coronary artery atherosclerotic plaque. Other causes include spontaneous coronary artery dissection (SCAD), which most commonly occurs in women. ACS is usually treated in a cath lab with angioplasty and the placement of a stent to prop the vessel open.

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Testosterone replacement therapy hikes risk of MI, stroke in men

Men taking testosterone replacement therapy for age-related hypogonadism are at an increased risk for ischemic stroke, transient ischemic attack and myocardial infarction, especially during their first two years of use, researchers report in the American Journal of Medicine

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High-sensitivity troponin I assays ID patients at lowest, highest risk for acute MI

High-sensitivity cardiac troponin I assays, when considered in the context of appropriate thresholds, can identify and expedite triage of patients at varying levels of risk for myocardial infarction, a JACC study found.

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Statins underprescribed for those with ASCVD

A study of more than a quarter of a million heart patients in Canada has revealed statins are “significantly” underutilized to treat lipid abnormalities in individuals with and at risk for ASCVD.

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High levels of pollutants threaten heart health in China

Heavy air pollution in China could be contributing to a greater instance of coronary atherosclerosis among the country’s general population, according to research out of the University of Buffalo.

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New consensus document attempts to streamline MRI protocol after MI

The Centro Nacional de Investigaciones Cardiovasculares, a research foundation in Madrid, Spain, has coordinated the first international consensus document to streamline MRI protocol after myocardial infarction in clinical trials and experimental models.

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Marriage improves ACS prognosis—especially for men

A study published in the Journal of the American Heart Association this month identified marriage as a predictor of better short- and long-term outcomes in patients with ACS, most notably male patients.

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Nearly half of sudden cardiac death victims had prior, undetected MI

A recent study of autopsy data in Finland suggests nearly half of individuals who experience sudden cardiac death without a prior diagnosis of CAD actually had a history of silent MI—but that history wasn’t detected until after their deaths.

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Cognitive function may deteriorate faster after MI, angina

Incident coronary heart disease might be an early indicator of accelerated cognitive decline, according to work published ahead of print in the Journal of the American College of Cardiology.

Around the web

Several key trends were evident at the Radiological Society of North America 2024 meeting, including new CT and MR technology and evolving adoption of artificial intelligence.

Ron Blankstein, MD, professor of radiology, Harvard Medical School, explains the use of artificial intelligence to detect heart disease in non-cardiac CT exams.