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The Business Of Healing Hearts & Heart Disease

Heart Disease is Costly - Cardiac Care Is A Money-Making Machine That Too Often Favors Profit Over Science

As baby boomers hit their 60s and heart disease remains the No. 1 killer of all U.S. adults, it's no surprise that ads exploiting people's concerns about their heart are cropping up everywhere.

"Find a new way to tell Dad you love him," suggests an ad from the Heart Hospital of Austin, in Texas. "Show your love with a Heart Saver CT."
The website Track Your Plaque warns, "The old tests for heart disease were wrong-dead wrong." It says heart scans are "the most important health test you can get."
"Does your annual physical use the latest technology to prevent ... heart disease before it strikes?" asks the radio ad for the Princeton Longevity Center, in Princeton, N.J. The center's website promises that its full-day exams-which can include heart scans and usually aren't fully covered by insurance-can detect the "silent killers that are often missed in a typical physical exam or routine blood tests."
Those and similar ads are not unusual. They are part of a marketing strategy by hospitals, medical centers, and doctor groups to cash in on consumers' fears.
"It's a big problem," says Kimberly Lovett, M.D., a physician at Kaiser Permanente and a member of the San Diego Center for Patient Safety at the University of California, San Diego School of Medicine. "These marketing strategies exploit patient fears and promote tests that aren't necessary for most people."
In a June 2011 editorial in the Journal of the American Medical Association, Lovett suggests that inappropriate testing can lead to inappropriate treatment. "Direct-to-consumer cardiac testing may pose more harm than benefit," she writes.
Lovett is one of a growing chorus of physicians calling for a crackdown on indiscriminate testing and treatment in favor of an evidence-based approach to cardiac care.
But money talks-often loudly enough to drown out those voices. As doctors and hospitals add more and more expensive high-tech gadgetry to their arsenals, all too often it's profit, not science, driving decisions on how heart disease is detected and treated in the U.S.
A Consumer Reports investigation-including interviews with doctors and other health professionals, our own survey of more than 8,000 subscribers, and analysis of medical research, marketing materials, and the available data on heart doctors-shows the following:

  • People often get the wrong tests. Good tests detect heart disease and lead to effective treatments. But many heavily marketed cardiac tests don't do that. "I can understand how people would think 'what's the harm?'" Lovett says. "But not only is the wrong test a waste of resources, it can be downright dangerous if it leads to inappropriate treatment."
  • Angioplasty is overused. Recent research suggests that many patients in nonemergency situations are rushed to angioplasty, an invasive procedure to clear blockages in the coronary arteries, when dietary changes and exercise, plus drugs, would be just as effective and much safer. Other research shows that angioplasty is also too often used for severe blockages, when surgery to bypass the occluded arteries could provide longer-lasting benefits.
  • Consumers don't have enough information on heart doctors. To help fill that gap, we've teamed with the Society of Thoracic Surgeons to publish ratings of heart-surgery groups that perform bypass surgery. Unfortunately, there's no comparable registry for interventional cardiologists, who perform angioplasty. So if you want information about those doctors, you'll have to ask some tough questions.
  • Real differences exist among heart surgeons. When there is solid information on doctors, such as with heart-surgery groups, the data show that quality can vary in important ways. In addition, recent research reveals that many practices aren't following the latest guidelines. It pays to thoroughly explore your options.
  • Heart disease is often misunderstood. Many patients, and even some doctors, have an outdated understanding of the best way to prevent heart attacks.

"Medicine doesn't change quickly or easily," says Steven Nissen, M.D., chairman of the department of cardiovascular medicine at the Cleveland Clinic in Cleveland, Ohio. "It may take years for evidence to trickle down to private practice."
Another reason for consumers to be alert, Nissen adds, is the health-care system favors expensive procedures. "Physicians are reimbursed far more for a 20-minute angioplasty than an hour-long discussion," he says. "Those financial incentives inevitably drive clinical decisions. That's why patients have to do their own due diligence to get the best care."
Heart myths busted
Of course, paying attention to your heart is a good thing. Everyone should have their blood pressure and weight measured at each doctor visit. Many should undergo basic tests such as those for high blood sugar and cholesterol. And knowing heart facts, like the signs of a heart attack, can be lifesaving.
But our online survey of 8,056 readers ages 40 to 60 found that many people overestimate their risk of heart attack. For example, 29 percent of the people with no history of heart disease and normal blood pressure and cholesterol levels described themselves as being at risk of heart disease, though only 9 percent said they had actually heard that from a doctor.
Many people also overestimate the ability of screening tests to provide reassurance. Healthy respondents whose recent tests included an electrocardiogram (EKG) were more likely than those who didn't to agree with the statement "going through the testing process is worth the peace of mind that comes with knowing everything is OK."
But the heart facts are that the test can produce falsely positive results in people without symptoms who are at low risk for heart disease. Almost no one recognized that potential harm: 87 percent completely or somewhat agreed that it was "better to have a scare that turns out to be nothing than to not get tested at all."
Truth is, the best things for your heart often aren't fancy tests or aggressive treatment. "People tend to view heart doctors as some sort of action hero and think the more aggressive, the better," says William Boden, M.D., a professor of medicine at the University at Buffalo Schools of Medicine and Public Health in New York. "But a conservative approach should never be considered passive or inferior."
The push to overtest and overtreat heart disease stems at least in part from outdated notions of it as a kind of plumbing problem. Doctors would often test for blockages and then clear them using angioplasty.
In that procedure, also called percutaneous coronary intervention (PCI), the doctor inflates a thin balloon in the narrowed artery to crush deposits, typically leaving a cylindrical insert called a stent in place to prop the vessel open. When performed within hours of a heart attack to clear a blocked or nearly blocked artery, the procedure works very much like clearing a clogged pipe. In those situations, it can be a lifesaving treatment.
But in nonemergency situations, the analogy breaks down. As it turns out, diseased arteries are riddled with smaller deposits that are the real troublemakers. We now know that most heart attacks occur not because a large deposit blocks an artery but when a smaller, less stable one ruptures, producing a blood clot that cuts off oxygen to the heart.
The latest research shows that drug therapy and lifestyle changes are the best first-line treatment because they address the underlying risk factors that cause deposits to form and trigger attacks. While angioplasty can help relieve symptoms such as chest pain or shortness of breath in people with stable disease, it doesn't prevent heart attacks or prolong life better than medical therapy alone.
Moreover, angioplasty triggers heart attacks in 1 to 2 percent of patients and adds thousands of dollars to the cost of treatment.
Furthermore, there's no need to scan people willy-nilly, because most people have some deposits in their arteries by the time they reach middle age. "I'm sure I have some arterial buildup," Lovett says. "It's just a process of aging."
Too many heart tests
In our survey, 44 percent of people without heart risk factors or symptoms reported undergoing a heart-specific screening test such as an electrocardiogram, exercise stress test, or ultrasound of the carotid arteries, even though such tests aren't recommended for healthy people.
And most underwent testing without first getting crucial information on the accuracy of the tests, the potential complications, or what they would need to do if the tests came back with worrisome results.
Julia Brown, a registered nurse in Washington, D.C., was one of the exceptions, a healthy survey respondent who opted out of extra testing. "You have to be careful," Brown says. "These shotgun screening tests often lead to additional testing and treatment that has its own dangers. In my line of work, I get to see firsthand the disasters that occur."
A recent study of 2,000 healthy middle-aged adults bears out Brown's experience. It found that people who had a heart scan were more likely than those who didn't to be prescribed medications and to undergo invasive tests and procedures such as angioplasty and even heart bypass. But they are no less likely to have a heart attack or other cardiac event. According to the researchers, those heart scans "do not have a role" in screening low-risk people.
"Once a doctor sees something even remotely abnormal, the reflex is to try to 'fix it' even if there's no evidence that what you saw will cause a problem or that what you are doing will help," Nissen says. He points to a 52-year-old nurse featured in a case study he co-authored in the Archives of Internal Medicine*. False positive results from her heart scan led to unnecessary angioplasty, which set off a cascade of complications and further surgeries, including, finally, a heart transplant.
Proponents sometimes say that the risk of overtreatment is outweighed by the benefit of discovering disease that wouldn't be detected any other way. Not true, our experts say. Standard assessment tools that use information gleaned from basic checkups, such as age, weight, and blood pressure, are good predictors of risk and can help determine effective ways to reduce it. While there are some heart attacks that occur truly without warning, Nissen says it's "rare to have significant narrowing of the arteries and have no symptoms and no other risk factors."
What about the motivational value of picturing the inner workings of your heart? A heart scan does produce "a pretty picture," Lovett says, "but it ultimately doesn't lead to better outcomes."
Paul Ridker, M.D., director of the Center for Cardiovascular Disease Prevention at Brigham and Women's Hospital in Boston, has studied the scans and concluded that they aren't useful for screening. The "deposits cardiologists worry about are the less stable plaques that CT scans routinely miss," Ridker says.
There's one more downside of scans that the ads never talk about: radiation-as much as 200 times the radiation of a standard chest X-ray for some types of CT angiography. Some newer devices use less radiation, but any exposure from an unnecessary test is excessive.
Too much angioplasty
Overuse of angioplasty has made national headlines this past year, with the Department of Justice and the Senate Finance Committee investigating incidences in which hospitals subjected hundreds of patients to needless angioplasty procedures.
But recent research suggests that the problem is not isolated to a few overzealous practitioners. Only half of procedures that used angioplasty to open narrowed arteries in nonemergency situations were clearly appropriate, according to a study of almost 500,000 cases published in July 2011 in the Journal of the American Medical Association. The researchers also uncovered wide variation among hospitals; the rate of clearly inappropriate angioplasty procedures varied from less than 6 percent at some to greater than 16 percent at others.
Equally disturbing, a third of patients in another large study were not discharged with the right drugs. And without the necessary drugs to control risk factors such as high cholesterol and hypertension, heart disease can be expected to progress.
Some hospitals have become such angioplasty factories that the procedure is used even when surgery to bypass the occluded artery would be better. Many patients who would have had bypass surgery a decade ago now undergo angioplasty instead, according to a recent study that tracked the rate of procedures at U.S. hospitals between 2001 and 2008.
The heart tests you need
Which heart tests you need depends on whether you have symptoms that could indicate heart disease, such as angina (chest pain) and shortness of breath.
People without symptoms should focus on tests for high blood pressure, cholesterol, and blood sugar levels, since the best way to prevent heart attacks and strokes is to control those risk factors. And you don't need high-tech tests to check for them. "The question is not whether you can test for disease, but whether you should," Ridker says. "If a test can't define the necessary therapy and doesn't help with follow-up, then it should not be ordered."
In our survey, 12 percent of healthy respondents said they underwent stress testing, which measures the heart's function while it is stressed by exercise. That's usually a bad idea because in low-risk people the test produces a lot of falsely positive results. The exceptions: older airline pilots, bus drivers, and others whose job affects public safety, or people who are middle-aged or older with multiple heart risk factors who are starting to exercise.
People with symptoms usually need an exercise stress test, possibly with an echocardiogram (which uses sound waves), or a nuclear test (which uses radioactive material) to produce an image of the heart.
CT angiography might be appropriate for people with inconclusive stress-test results to see whether a somewhat more invasive test, standard angiography, is necessary. But the results are often so uncertain that they have to be followed up with standard angiography anyway.
In standard angiography, a doctor threads a tube from the groin into the coronary arteries and injects a dye so that blockages show up on X-ray. Skipping the stress test and going straight to angiography is warranted only for people at very high risk of having a heart attack or who have symptoms or underlying conditions that could make stress testing risky, such as chest pain that occurs even at rest.
Get the right heart treatment
When testing confirms heart disease but shows no imminent threat of heart attack, our experts say the best approach is a long-term commitment to lifestyle changes plus drugs to lower blood pressure and cholesterol levels, ease chest pain, and prevent blood clots. After three to six months of therapy, if you still have troublesome symptoms, you could consider more invasive options.
If testing reveals severe blockages, angioplasty or bypass surgery might be warranted. But even then you should weigh your heart-treatment options. If the doctor recommends angioplasty, ask why that's preferable to bypass. If he or she suggests bypass, ask about angioplasty. If you're not satisfied, consider getting a second opinion. Bypass is often called for when the heart's main artery or three other major arteries are occluded; angioplasty might be an option if one or two vessels are blocked.
When choosing a bypass surgeon, there's reliable data to draw on, as our ratings show. While many hospitals and cardiologists track similar data for angioplasty, that information is not publicly available. One indicator of physician quality is the number of procedures he or she performs. Look for an interventional cardiologist who performs at least 75 angioplasties a year and a hospital that does at least 400. To avoid a physician or practice that churns out too many, ask whether the doctor's and hospital's procedures undergo regular peer review.
But you need to know about more than just volume. "Consumers can ask whether a practice participates in our registry, which indicates the hospital can benchmark their performance against a national standard," says Frederick Masoudi, M.D., associate professor of medicine at the University of Colorado in Denver and senior medical officer for the American College of Cardiology's National Cardiovascular Data Registry. Masoudi says the data is being reorganized into a more accessible format and is expected to be released within the next two years.

Consumer Reports September 2011

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