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Topic: Blood Vessels

Heat-not-Burn Tobacco Products may be ‘not so hot’ at protecting Blood Vessel Function

 

American Heart AssociationAnaheim, CA – Heat-not-burn devices may eliminate users’ exposure to tobacco smoke, but the vapor they produce has the same negative impact on blood vessel function as smoking, according to a preliminary animal study presented at the American Heart Association’s Scientific Sessions 2017, a premier global exchange of the latest advances in cardiovascular science for researchers and clinicians.

Heat-not-burn products are not new, but have been recently updated and test marketed in several countries outside the United States with greater success.

iQOS device used in “Impairment of Endothelial Function by Inhalation of Heat-Not-Burn Tobacco Aerosol” study. (Jesse Elias)

iQOS device used in “Impairment of Endothelial Function by Inhalation of Heat-Not-Burn Tobacco Aerosol” study. (Jesse Elias)

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American Heart Association says Quality of Stent Procedures consistently good across U.S. regardless of popular Hospital Ranking

 

American Heart Association Meeting Report Poster Presentation S2003

American Heart AssociationAnaheim, CA – Hospitals ranked among the best in cardiology and heart surgery by U.S. News and World Report appear no better at performing percutaneous coronary intervention (PCI), a potentially life-saving heart procedure, than unranked hospitals, according to preliminary research presented at the American Heart Association’s Scientific Sessions 2017, a premier global exchange of the latest advances in cardiovascular science for researchers and clinicians.

Patients undergoing percutaneous coronary intervention (PCI), or angioplasty, for blocked or narrowed arteries appear to fare equally well at hospitals ranked among the best in heart care by U.S. News and World Report and at unranked hospitals. (American Heart Association)

Patients undergoing percutaneous coronary intervention (PCI), or angioplasty, for blocked or narrowed arteries appear to fare equally well at hospitals ranked among the best in heart care by U.S. News and World Report and at unranked hospitals. (American Heart Association)

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American Heart Association says Extreme Heat Exposure linked to Firefighter Heart Attacks

 

American Heart Association Rapid Access Journal Report

American Heart AssociationDallas, TX – Exposure to extreme heat and physical exertion during firefighting may trigger the formation of blood clots and impair blood vessel function, changes associated with increased risk of heart attack, according to new research in the American Heart Association’s journal Circulation.

Cardiovascular events are the leading cause of death among firefighters and are responsible for roughly 45 percent of on-duty firefighter fatalities annually in the United States.

Exposure to extreme heat and physical exertion during firefighting may trigger the formation of blood clots and impair blood vessel function, changes associated with increased risk of heart attack. (American Heart Association)

Exposure to extreme heat and physical exertion during firefighting may trigger the formation of blood clots and impair blood vessel function, changes associated with increased risk of heart attack. (American Heart Association)

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Air Pollution linked to Blood Vessel damage in Healthy Young Adults according to American Heart Association

 

American Heart Association Rapid Access Journal Report

American Heart AssociationDallas, TX – Fine particulate matter air pollution may be associated with blood vessel damage and inflammation among young, healthy adults, according to new research in Circulation Research, an American Heart Association journal.

“These results substantially expand our understanding about how air pollution contributes to cardiovascular disease by showing that exposure is associated with a cascade of adverse effects,” said C. Arden Pope, Ph.D., study lead author and Mary Lou Fulton Professor of Economics at Brigham Young University in Provo, Utah.

Traffic on the highway. (American Heart Association)

Traffic on the highway. (American Heart Association)

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A minute of Secondhand Marijuana Smoke may Damage Blood Vessels according to American Heart Association

 

American Heart Association Rapid Access Journal Report

American Heart AssociationDallas, TX – Rats’ blood vessels took at least three times longer to recover function after only a minute of breathing secondhand marijuana smoke, compared to recovery after a minute of breathing secondhand tobacco smoke, according to new research in Journal of the American Heart Association, the Open Access Journal of the American Heart Association/American Stroke Association.

When rats inhaled secondhand marijuana smoke for one minute, their arteries carried blood less efficiently for at least 90 minutes, whereas similar exposure to secondhand tobacco smoke caused blood vessel impairment that recovered within 30 minutes.

With many states legalizing medical and recreational marijuana, and possible corporate expansion within the cannabis industry, this type of research is important to help understand the health consequences of exposure to secondhand marijuana smoke, researchers said. (American Heart Association)

With many states legalizing medical and recreational marijuana, and possible corporate expansion within the cannabis industry, this type of research is important to help understand the health consequences of exposure to secondhand marijuana smoke, researchers said. (American Heart Association)

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American Heart Association reports Excessive daily TV watching may increase risk of Death

 

American Heart Association Rapid Access Journal Report

American Heart AssociationDallas, TX – Watching a lot of television every day may increase your risk of dying from a blood clot in the lung, according to new research in the American Heart Association’s journal Circulation.

A lung blood clot, known medically as a pulmonary embolism, usually begins as a clot in the leg or pelvis as a result of inactivity and slowed blood flow.

Watching more than 5 hours of TV daily was linked to more than double the risk of death from a blood clot in the lung. (American Heart Association)

Watching more than 5 hours of TV daily was linked to more than double the risk of death from a blood clot in the lung. (American Heart Association)

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Hard to treat Chest Pain may be improved with a Patient’s own Stem Cells according to American Heart Association

 

American Heart AssociationPhoenix, AZ – A non-surgical treatment that uses a patient’s own bone marrow stem cells to treat chest pain or angina improved both symptoms and the length of time treated patients could be physically active, according to preliminary research presented at the American Heart Association’s Basic Cardiovascular Sciences 2016 Scientific Sessions.

Angina is chest pain or discomfort caused when the heart does not get enough oxygen-rich blood due to narrowing or blockages in the arteries leading to the heart.

A patient’s own stem cells may treat chest pain that cannot be treated with current therapies. (American Heart Association)

A patient’s own stem cells may treat chest pain that cannot be treated with current therapies. (American Heart Association)

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American Heart Association says Post-Traumatic Stress Disorder may affect Blood Vessel Health in Veterans

 

American Heart AssociationDallas, TX – Post-traumatic stress disorder (PTSD) may decrease the ability of blood vessels to dilate, raising the risk of heart attack and stroke in veterans, according to new research in the Journal of the American Heart Association.

In the largest study to date on the impact of post-traumatic stress disorder (PTSD) on blood vessel health, researchers found that blood vessels of veterans with PTSD were unable to expand normally in response to stimulus – they were less reactive — compared to veterans without PTSD. Less reactive blood vessels are linked to heart disease and other serious conditions.

Heart illustration with artery close up. (American Heart Association)

Heart illustration with artery close up. (American Heart Association)

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American Stroke Association says Migraine with aura linked to Clot-Caused Strokes

 

American Stroke Association Meeting Report

American Stroke Association - American Heart AssociationLos Angeles, CA – People who have migraines with aura are more likely to have strokes caused by either a blood clot in the heart (cardio-embolic stroke) or a clot within the brain’s blood vessels (thrombotic stroke), compared to those that don’t have migraines with aura, according to research presented at the American Stroke Association’s International Stroke Conference 2016.

 People who experience aura with a migraine are more than twice as likely to have a stroke as people who have migraines without aura. (American Stroke Association)


People who experience aura with a migraine are more than twice as likely to have a stroke as people who have migraines without aura. (American Stroke Association)

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American Heart Association report shows Poor Sleep in Seniors linked to Hardened Brain Arteries

 

American Heart Association Rapid Access Journal Report

American Heart AssociationDallas, TX – Poor sleep quality in elderly persons is associated with more severe arteriosclerosis in the brain as well as a greater burden of oxygen-starved tissue (infarcts) in the brain – both of which can contribute to the risk of stroke and cognitive impairment. The findings are reported in the American Heart Association’s journal Stroke.

The relationship between cardiovascular disease and so-called “fragmented” sleep has been studied in the past, but this is the first study to look specifically for an association between sleep fragmentation and detailed microscopic measures of blood vessel damage and infarcts in autopsied brain tissue from the same individuals.

Elderly people who sleep poorly and awaken frequently are more likely to have hardened blood vessels or oxygen-starved tissue in the brain. (American Heart Association)

Elderly people who sleep poorly and awaken frequently are more likely to have hardened blood vessels or oxygen-starved tissue in the brain. (American Heart Association)

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