Nursefriendly.com: coronary artery disease

Showing posts with label coronary artery disease. Show all posts

Wednesday, April 6, 2011

Common dietary fat and intestinal microbes linked to heart disease

A new pathway has been discovered that links a common dietary lipid and intestinal microflora with an increased risk of heart disease, according to a Cleveland Clinic study published in the latest issue of Nature.

The study shows that people who eat a diet containing a common nutrient found in animal products (such as eggs, liver and other meats, cheese and other dairy products, fish, shellfish) are not predisposed to cardiovascular disease solely on their genetic make-up, but rather, how the micro-organisms that live in our digestive tracts metabolize a specific lipid -- phosphatidyl choline (also called lecithin). Lecithin and its metabolite, choline, are also found in many commercial baked goods, dietary supplements, and even children's vitamins.

The study examined clinical data from 1,875 patients who were referred for cardiac evaluation, as well as plasma samples from mice. When fed to mice, lecithin and choline were converted to a heart disease-forming product by the intestinal microbes, which promoted fatty plaque deposits to form within arteries (atherosclerosis); in humans, higher blood levels of choline and the heart disease forming microorganism products are strongly associated with increased cardiovascular disease risk.

"When two people both eat a similar diet but one gets he

via sciencedaily.com

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Monday, April 4, 2011

The five hospital factors that affect heart attack survival, Science Daily

Until now, little has been known about the factors that may influence this variation in death rates. The Yale team reviewed 11 hospitals through interviews and site visits. Those selected were among the best and worst performers, as rated by the federal agency that administers Medicare and Medicaid.

"Previous research looked at whether hospital characteristics like urban location, teaching status, geographical region, and socio-economic status of patients are related to acute myocardial infarction (AMI) mortality rates, but these factors don't explain much of the variation in mortality," said Leslie A. Curry, Ph.D., research scientist at the Yale Global Health Leadership Institute and lead author on the paper. "We were particularly interested in the roles of social interactions and organizational culture, which are difficult to measure using common research approaches like surveys."

Hospitals in the high- and low-performing groups differed substantially in five ways: organizational values and goals, senior management involvement, broad staff presence and expertise in AMI care, communication and coordination, and problem solving.

via sciencedaily.com

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Wednesday, March 2, 2011

Sleep deprivation 'can cause strokes' | News | Nursing Times

Stroke or heart disease susceptibility is dependant on how much you sleep you get, a new study has suggested.

A Warwick Medical School study has discovered that prolonged sleep deprivation can have a seriously adverse effect on cardiac health.
The research team linked a lack of sleep to strokes, heart attacks and cardiovascular disorders which can often cause early death.
Professor Cappuccio and co-author Dr Michelle Miller examined evidence from more than 470,000 participants across eight countries, including Japan, the US, Sweden and the UK.
Professor Francesco Cappuccio said: “If you sleep less than six hours per night and have disturbed sleep you stand a 48% greater chance of developing or dying from heart disease and a 15% greater chance of developing or dying from a stroke.
“The trend for late nights and early mornings is actually a ticking time bomb for our health so you need to act now to reduce your risk of developing these life-threatening conditions.”
Dr Miller added chronic short sleep produces hormones and chemicals in the body, which increases the risk of developing heart disease and strokes, plus other conditions such as high blood pressure and cholesterol, diabetes and obesity.
Cappuccio F, et al. Sleep duration predicts cardiovascular outcomes: a systematic review and meta-analysis of prospective studies. European Heart Journal, Advance access.

via nursingtimes.net

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Friday, February 4, 2011

Carotid Artery Stenosis, American Heart Association

What is carotid artery stenosis or carotid artery disease?

Carotid artery stenosis is the narrowing of the carotid arteries. These are the main arteries in the neck that supply blood to the brain. Carotid artery stenosis, also called carotid artery disease, is a major risk factor for ischemic stroke. (This is the most common form of stroke and is usually caused by a blood clot plugging an artery.)

The narrowing is usually caused by plaque in a blood vessel. Plaque forms when cholesterol, fat and other substances build up in the inner lining of an artery. This process is called atherosclerosis.

How is carotid artery stenosis diagnosed?

Carotid artery stenosis may or may not cause symptoms. A doctor may hear an abnormal sound called a bruit (BROO'e) when listening to the artery with a stethoscope. The stenosis can be easily detected with an ultrasound probe placed on the side of the neck near the carotid arteries. This is called carotid ultrasonography.

How is carotid artery stenosis treated?

Depending on the degree of stenosis and the patient's overall condition, carotid artery stenosis can usually be treated with surgery. The procedure is called carotid endarterectomy. It removes the plaque that caused the carotid artery to narrow. Carotid endarterectomy has proven to benefit patients with arteries stenosed (narrowed) by 70 percent or more. For people with arteries narrowed less than 50 percent, anti-clotting medicine is usually prescribed to reduce the risk of ischemic stroke. Examples of these drugs are antiplatelet agents and anticoagulants.

Carotid angioplasty may be another treatment option. It uses balloons and/or stents to open a narrowed artery.
For stroke information, call the American Stroke Association at 1-888-4-STROKE.

via americanheart.org

To read more click on the americanheart.org link.

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Wednesday, February 2, 2011

CDC Features - February is American Heart Month

About every 25 seconds, an American will have a coronary event.

Heart disease is the leading cause of death in the United States and is a major cause of disability. The most common heart disease in the United States is coronary heart disease, which often appears as a heart attack. In 2010, an estimated 785,000 Americans had a new coronary attack, and about 470,000 had a recurrent attack. About every 25 seconds, an American will have a coronary event, and about one every minute will die from one.¹

The chance of developing coronary heart disease can be reduced by taking steps to prevent and control factors that put people at greater risk. Additionally, knowing the signs and symptoms of heart attack are crucial to the most positive outcomes after having a heart attack. People who have survived a heart attack can also work to reduce their risk of another heart attack or a stroke in the future. For more information on heart disease and stroke, visit CDC's Division for Heart Disease and Stroke Prevention.

Diseases and Conditions That Put Your Heart at Risk

Other conditions that affect your heart or increase your risk of death or disability include arrhythmia, heart failure, and peripheral artery disease (PAD). High cholesterol, high blood pressure, obesity, diabetes, tobacco use, unhealthy diet, physical inactivity, and secondhand smoke are also risk factors associated with heart disease. For a full list of diseases and conditions along with risk factors and other health information associated with heart disease, visit the American Heart Association.

Know Your Signs and Symptoms

Some heart attacks are sudden and intense; however, most heart attacks start slowly, with mild pain or discomfort. Often people affected aren't sure what's wrong and wait too long before getting help. Here are signs

via cdc.gov

Read the full article at cdc.gov

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Sunday, December 12, 2010

PT Perspective: Heart Disease in Women - Overshadowed and Understated|putmebacktogether.com

It’s good to be informed. As PTs, I’d add that it’s our responsibility to inform ourselves then to pass on the information to patients. I’ve come across many women, patients, and co-workers who recognize the dangers of breast cancer and the necessity of research to cure it.

Clearly, breast cancer is serious business and the stats are grim. The lifetime prevalence: 1 in 8; number of deaths per year: 40,000.

But consider this. Lung cancer claims 70,000 women a year which is more than breast, ovarian and uterine cancers combined. Of those diagnosed with lung cancer, only 1 in 8 survives. The public consciousness seems misinformed on this.

Heart disease is another poorly understood killer. Every year, heart disease claims the lives of 500,000 women. That’s 1000% more deaths than breast cancer. People seem to think breast cancer is the biggest monster out there gobbling up women’s lives while the real boogey man disease lives in virtual anonymity.

Why does this happen? Why would such a big problem get such short shrift? Part of the problem is the stereotype that only type A men get heart attacks. The fact is heart disease doesn’t dabble in gender politics. Whether you’re from Venus or Mars, the odds are pretty even.

If you’re a woman, your sirens should be ringing (blaring stridently; in fact), particularly if you have a family history, like to wash down your corn-fed Angus cuts with a keg of beer, and exercise by walking from the couch to the kitchen during commercial breaks. If this describes you or your patients, beware, but don’t despair.

Giving up leads to paralysis and paralysis doesn’t help. What does help is information (keeping in mind that the step after information is informed action). Unlike breast cancer which is largely genetic and difficult to prevent (if such as word even applies), heart disease responds to the following life-saving changes:

Smoking cessation

A well-balanced diet, low in saturated and trans fat

Regular exercise

Weight loss

Stress reduction

Social support

Decreased alcohol consumption

Those who campaign against breast cancer do a wonderful job of raising awareness about a terrible disease. We should applaud these efforts and replicate them with heart disease, spreading the word the way rumors spread in the girl’s middle school bathrooms across America. First whispered conspiratorially, the message gets passed on via three very simple words: “Pass it on!”

via putmebacktogether.com

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Wednesday, April 6, 2011

Common dietary fat and intestinal microbes linked to heart disease

Monday, April 4, 2011

The five hospital factors that affect heart attack survival, Science Daily

Wednesday, March 2, 2011

Sleep deprivation 'can cause strokes' | News | Nursing Times

Friday, February 4, 2011

Carotid Artery Stenosis, American Heart Association

Wednesday, February 2, 2011

CDC Features - February is American Heart Month

Diseases and Conditions That Put Your Heart at Risk

Know Your Signs and Symptoms

Sunday, December 12, 2010

PT Perspective: Heart Disease in Women - Overshadowed and Understated|putmebacktogether.com

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