We give you many useful information about health

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We give you many useful information about health

Go to Blogger edit html and find these sentences.Now replace these sentences with your own descriptions.This theme is Bloggerized by Lasantha Bandara - Premiumbloggertemplates.com.

We give you many useful information about health

Go to Blogger edit html and find these sentences.Now replace these sentences with your own descriptions.This theme is Bloggerized by Lasantha Bandara - Premiumbloggertemplates.com.

We give you many useful information about health

Go to Blogger edit html and find these sentences.Now replace these sentences with your own descriptions.This theme is Bloggerized by Lasantha Bandara - Premiumbloggertemplates.com.

We give you many useful information about health

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Tampilkan postingan dengan label cholesterol. Tampilkan semua postingan
Tampilkan postingan dengan label cholesterol. Tampilkan semua postingan

Selasa, 25 Oktober 2011

Divide over when to use in-depth cholesterol tests

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Denny Fongheiser and his girlfriend Kim Adamis power-walk in Palisades Park in Santa Monica, Calif., Sunday, Oct. 23, 2011. More doctors are going beyond standard cholesterol counts, using another test to take a closer look at the bad fats, a count of particles that carry LDL through the blood. Fongheiser's usual 3-mile-a-day walk left him suddenly panting but his insurer wouldn't pay for a stress test because his cholesterol was normal. A month later, chest pain sent Fongheiser to the hospital where he needed a stent to unclog an artery. It turned out he had high particle levels, which his cardiologist now aims to get below the LipoScience-recommended level of 1,000 with cholesterol-lowering drugs. (AP Photo/Reed Saxon) Denny Fongheiser and his girlfriend Kim Adamis power-walk in Palisades Park in Santa Monica, Calif., Sunday, Oct. 23, 2011. More doctors are going beyond standard cholesterol counts, using another test to take a closer look at the bad fats, a count of particles that carry LDL through the blood. Fongheiser's usual 3-mile-a-day walk left him suddenly panting but his insurer wouldn't pay for a stress test because his cholesterol was normal. A month later, chest pain sent Fongheiser to the hospital where he needed a stent to unclog an artery. It turned out he had high particle levels, which his cardiologist now aims to get below the LipoScience-recommended level of 1,000 with cholesterol-lowering drugs. (AP Photo/Reed Saxon) Denny Fongheiser poses in Palisades Park in Santa Monica, Calif., Sunday, Oct. 23, 2011. More doctors are going beyond standard cholesterol counts, using another test to take a closer look at the bad fats, a count of particles that carry LDL through the blood. Fongheiser's usual 3-mile-a-day walk left him suddenly panting but his insurer wouldn't pay for a stress test because his cholesterol was normal. A month later, chest pain sent Fongheiser to the hospital where he needed a stent to unclog an artery. It turned out he had high particle levels, which his cardiologist now aims to get below the LipoScience-recommended level of 1,000 with cholesterol-lowering drugs. (AP Photo/Reed Saxon)eval("var currentItemd57851005a80479aaeeb90a12c70b9ff = 1;");eval("var nextd57851005a80479aaeeb90a12c70b9ff = 0;");eval("var previousd57851005a80479aaeeb90a12c70b9ff = 0;"); WASHINGTON (AP) — For heart health, you're supposed to know your numbers: Total cholesterol, the bad LDL kind and the good HDL kind. But your next checkup might add a new number to the mix.

More doctors are going beyond standard cholesterol counts, using another test to take a closer look at the bad fats — a count of particles that carry LDL through the blood.

Cardiologists are divided over the usefulness of that approach. Proponents contend it might help them spot at-risk patients that regular checks might miss, or get more information about how aggressively to treat them.

But so far, guidelines from major heart organizations don't recommend these extra tests. They're pricier than regular cholesterol exams, although Medicare and many other insurers pay for them. And it's not always clear what the results mean.

"I see a lot of people being confused," says Dr. Nieca Goldberg of New York University Langone Medical Center and the American Heart Association. Especially when they're used on lower-risk people, "you don't know how to make sense of the information."

Yet up to half of patients diagnosed with heart disease apparently had normal levels of LDL cholesterol, and some doctors say particle testing might help find some of them sooner.

"For most people, the standard lipid profile is fine," says Dr. Michael Davidson of the University of Chicago. But "I get referred people who said, 'My cholesterol was fine, why do I have heart disease?' We're showing them, well, because your particle number's sky high and they were not aware that was a problem."

Davidson chaired a committee of the National Lipid Association which this month called the extra tests reasonable to assess which at-risk patients might need to start or intensify cholesterol treatment. That committee's meeting was paid for by a grant from eight pharmaceutical companies, including some makers of particle tests.

Cholesterol isn't the only factor behind heart disease. High blood pressure, smoking, obesity, diabetes or a strong family history of the disease can put someone in the high-risk category even if their cholesterol isn't a red flag. Some doctors also are testing for inflammation in arteries that may play a role, too.

On the cholesterol front, doctors have long focused on three key numbers:

—Total cholesterol should be below 200.

—An LDL or "bad" cholesterol level below 130 is good for healthy people, but someone with heart disease or diabetes should aim for under 100.

—For HDL, the "good" cholesterol that helps control the bad kind, higher numbers are better — 60 is protective while below 40 is a risk.

Where do particles come in? Scientists have long known that small, dense LDL particles sneak into the artery wall to build up and narrow blood vessels more easily than larger, fluffier particles. While overall LDL levels usually correlate with the amount of particles in blood, they don't always, just as a beach bucket of sand may weigh the same as a bucket of pebbles but contain more particles.

Only in recent years have commercial tests made particle checks more feasible — although there's no standard method, and different tests measure in different ways. The tests add another $100 to $150 to regular cholesterol checks.

But is knowing about your particles really useful, and if so when? That's where doctors are split.

A study published last spring used one particle test, from Raleigh, N.C.-based LipoScience, to analyze a database of more than 5,000 middle-aged people whose heart health was tracked for five years. Most people's overall LDL and particle counts correlated pretty well. But people had a higher risk of heart disease when their particle count was much higher than their LDL predicted — and, conversely, a lower risk if their particle count was lower than expected, says lead researcher Dr. David Goff Jr. of Wake Forest University.

"We could be treating some people who don't need to be treated ... and we may be missing some people who should be treated," Goff says. "But I'd also say that we haven't done all the research that needs to be done to prove that this will lead to better patient outcomes."

Many of those higher-risk patients could be caught by a closer look at standard tests "for no additional charge," says Dr. Roger Blumenthal of Johns Hopkins University and the American College of Cardiology.

Triglycerides, another harmful fat, are a good indicator, Blumenthal says. You're at risk despite a low LDL if your triglycerides are over 130, not to mention a low HDL, he said. People who are obese, diabetic of borderline diabetic also are at greater risk, because they often have higher LDL particle counts.

Another way to measure without an added test: Just subtract HDL from your total cholesterol number. The resulting bad-fat total should be no higher than 30 points above your recommended LDL level — and if they are, it's time for serious diet and exercise, adds Dr. Allen Taylor of Washington Hospital Center.

Still, even some doctors who don't think particle testing is for the masses say they use it sometimes to tip the scales on a borderline patient.

Others use it to guide therapy. Consider Denny Fongheiser of Santa Monica, Calif. At 52, his usual 3-mile-a-day walk suddenly left him panting, but his insurer wouldn't pay for a stress test because his cholesterol was normal.

A month later, chest pain sent Fongheiser to the hospital where he needed a stent to unclog an artery. It turned out he had high particle levels, which his cardiologist now aims to get below the LipoScience-recommended level of 1,000 with cholesterol-lowering drugs.

"I was basically a time bomb," Fongheiser says. He welcomes "being able to test this and know what's going on."

Associated Press

Technology



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Jumat, 14 Oktober 2011

How Gut Bugs Have to Do With high cholesterol levels? A lot

It is difficult to think that bacteria as good when it comes to health, but research shows more bugs that live in our intestines can have great influence on our well-being. In a new study, scientists found that these bugs can affect how patients respond to save the life of drugs such as statins.

Statin drugs may help lower cholesterol levels and reduce the risk of heart disease and stroke in people who take their. But not every patient benefits from drugs, and doctors had no good explanation why.

Now, report researchers in the journal PLoS One that the answer may lie with our intestinal bacteria. These bugs typically live in our intestines and are working to digest and break down the food we eat. But recently, scientists have learned that their impact goes even further; also, they produce vitamins, help the immune system and may affect all our weight to how metabolize us drugs.

In the new study of 100 people, researchers found that those whose LDL, or bad cholesterol, abandoned most after taking simvastatin statin drugs (Zocor) for six weeks have also had higher levels of three bile acids by intestinal bacteria, compared with those whose LDL is not decline as much. Persons who have not responded to simvastatin showed higher levels of five other bile acids by intestinal flora.

Why the difference in drug response? Researchers believe that five compounds made by poor stakeholders imitate statins and therefore compete with the drug in binding to the appropriate cells. Thus, after having too much of these means of bile acids which Statin molecules cannot obtain the cells of the liver where they would be regulating the production of cholesterol.

"We found that the benefit of Statins may be in part related to the type of bacteria in our guts," co-author of the study Rima Kaddurah-Daouk, Professor of Psychiatry at Duke University, said in a statement. "The reason for which that respond us differently is not only our genetic heritage, but also our gut microbiome."

This means that it might be possible to test people until they begin to take some Statins whether who will respond and which not. Blood tests can detect bile acids which can compete with simvastatin, so that people who have high levels may be directed to the different Statins which can better control their cholesterol levels.

There is also the possibility of changing the landscape of the intestinal flora by consuming probiotics, to promote colonies of bacteria which counter the effects of statins. Certain yogurts and other probiotic foods already are trying to take advantage of this beneficial intestinal flora to stimulate well-being through other means. "We are at a stage very early to understand this relationship, but [is] is no doubt that metabolites of bacteria play an important role in the regulation of our systems," said Kaddurah-Daouk. And perhaps help us to better health.

Alice Park is a writer in time. Find him on Twitter at @ aliceparkny. You can also continue the discussion on the time Facebook page and Twitter time @.



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Senin, 10 Oktober 2011

FDA Approves Juvisync, First Combo Pill to Treat Diabetes and High Cholesterol

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The U.S. Food and Drug Administration approved on Friday the first combination pill to treat Type 2 diabetes and high cholesterol.

The new pill called Juvisync, made by Merck, combines the company's most popular diabetes drug, Januvia (sitagliptin), and its cholesterol-lowering statin Zocor (simvastatin). The AP called the pill a "probable blockbuster," predicting that it will appeal to millions of patients with diabetes who are not currently taking a statin.

Many of the estimated 25 million Americans who have Type 2 diabetes also have high cholesterol — in part because both conditions are related to obesity — a dangerous combination that increases patients' risk of heart disease, stroke and kidney disease.

The American Diabetes Association recommends that patients with diabetes who have heart disease or are over age 40 to add a statin to their daily regimen. Patients who follow medication guidelines end up taking multiple pills a day to control blood sugar, cholesterol and blood pressure. But many other patients — up to 4 million diabetes patients over 40 according to Merck scientists, the AP reported — are not taking statins.

Juvisync, which promises to streamline patients' required medications, will sell for the same price as Januvia alone, about $215 per month. Zocor in its generic form costs about $30 a month.

The new pill will be available in six different dosage strengths to accommodate patients with varying disease. The most common side effects of the pill include upper respiratory infection, stuffy or runny nose, headache, sore throat, muscle and stomach pain, nausea and constipation.

Last year, Januvia had sales of $2.4 billion. So far this year, it's brought in $1.5 billion. Merck's Janumet, another combo pill that combines Januvia with the the generic diabetes drug metformin, had sales of $626 million in the first half of 2011.

Meredith Melnick is a reporter at TIME. Find her on Twitter at @MeredithCM. You can also continue the discussion on TIME's Facebook page and on Twitter at @TIME.



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Senin, 12 September 2011

HEALTH MANAGEMENT. Delete old cholesterol way could be used to Unfur of arteries

Called "Self digestion", the cumulative dysfunctional molecules from cells, clears cholesterol an old phone way Autophagy also mobilized and exports and provide for a totally new goal under the direction of the University of Ottawa Heart for drugs "unfur arteries" or reverse atherosclerosis, the main cause of heart attack and stroke, according to the Research Institute (UOHI) in Canada.
Run Director of HDL biology laboratory, UOHI and colleagues from UOHI and Columbia University in New York, United States, found, remained, during the evolution researcher Dr. Yves Marcel, Autophagy, a process that developed and is in single-cell organisms, devours and digested cholesterol which in artery walls has accumulated.
In a statement published yesterday Marcel said 8 September, the press:
"The finding that Autophagy regulated offers also functions to digest and free cholesterol from cells, and the fact that we know that this option will hope for the development of new drugs, enable the export of cholesterol could arteries."
Cholesterol is an important and necessary molecule in mammals, where it produced, hormones and cell membranes and is carried out by the body in the blood. However, it collects in the arteries, that they "fur up" and turn in the atherosclerosis, where narrower and narrower, finally caused blockages and circulation of the heart, which frequently causes heart attacks and strokes reduces arteries,.
Rockefeller Mireille Ouimet, an essential factor in the work, said:
"It is urgently necessary to understand how the accumulation can be reversed by cholesterol in the arteries."
Researchers have discovered that cholesterol accumulation itself raises cholesterol Autophagy, caused, published and broken by the liver, where it is removed from the body be and.
Marcel suggests that perhaps some people with coronary heart disease (CHD) unable to cholesterol in your arteries Autophagy option to delete. A route for new drugs could reactivate this option.
Cell metabolism researchers published details of their work this year in the journal.

Minggu, 11 September 2011

HEALTH MANAGEMENT. SPX-106T treatment leads to significant reductions in serum VLDL and LDL cholesterol in mice

Spherix incorporated (NASDAQ: SPEX) an innovator in the field of biotechnology for the treatment in diabetes, metabolic syndrome and atherosclerosis and provider of technical and legal advisory services on food, Supplement, biotechnology and pharmaceutical companies announced, given that achieves statistically significant reduction of the VLDL and LDL cholesterol, if genetically modified his drug candidates SPX-106, mice Dyslipidemia vulnerable in combination with Dtagatose (SPX-106T) for nine weeks. The Aortas these mice showed also cuts in the amount of atherosklerotische lesions lesion measured area in response to the treatment. This lipoprotein analysis and lesion results form the last data from the study, whose previous triglycerides result first on June 2, 2011 was announced.
Treatment of animals, with a series of low doses of SPX-106T twice daily significantly reduced VLDL by 35% (of 127 mg / dl to 82 mg / dl) and LDL by 18% (from 141 116 mg / DL) (p = 0.05). Importantly, reduced the same therapy also atherosclerotic lesions range in the aortic arch to less than half the value of the untreated group (chart available at http://www.spherix.com/pdf/press/PRgraphic9-12-11.pdf). The aortic arch is the region where ship first developed disease. The thoracic aortic include more studies and models fully developed into the high serum triglycerides, illness of spreads on the ship of the aortic arch. The study was not driven on an atherosclerosis endpoint and the Aortas was made for the post-hoc analysis, when it turned out the effectiveness of the SPX 106T reduction of triglycerides and cholesterol.
D-tagatose alone and combination judged this year initiated Spherix the preclinical development of SPX 106T as a treatment for hypertriglyceridemia in one arm of a trial. The first studies that specifically test for SPX-106T are nearing completion and results will be this fall. The company plans to launch an initial human efficacy to study in the first quarter of 2012. Rapid progression in the clinic is made possible by the experienced team at the company.
"Two global clinical trials for a diabetes indication, that only successfully concluded, has Spherix to design staff and running new Dyslipidemia suffer much faster than other companies of comparable size," notes Claire Kruger, Chief Executive Officer of Spherix Dr. "The preclinical pipeline of our Biospherics subsidiary can be expanded quickly in the clinical phase, because the company can perform successfully several studies at the same time."