Fight Inflammation to Help Prevent Heart Disease
This article discusses that chronic inflammation is a major contributor to heart disease and explains how it leads to heart attacks and strokes, and what you can do to reduce inflammation.

Fight Inflammation to Help Prevent Heart Disease

You probably already know that high cholesterol and blood pressure are major risk factors for heart disease. But do you know about inflammation? Recent research shows it plays a key role, and that working to reduce it can prevent heart attacks and strokes.

“Just like we’re targeting blood pressure, cholesterol and blood glucose, we also need to target inflammation,” says Erin Michos, M.D., M.H.S., associate director of preventive cardiology for the Ciccarone Center for the Prevention of Heart Disease. “We all should be making an effort to reduce chronic inflammation in our bodies.”

To protect your heart from the damaging effects of inflammation, here’s what you need to know.

 

Studies Point to Inflammation

Two decades ago, researchers discovered that high levels of inflammation were associated with an increased chance of having a heart attack or stroke. However, what they didn’t know was whether anti-inflammatory treatments could prevent those events from occurring.

In 2008, the JUPITER study found that for older adults who did not have elevated blood cholesterol but who did have elevated blood levels of inflammatory markers, treatment with cholesterol-lowering statin drugs reduced the number of heart attacks and strokes. But it wasn’t clear whether that was because statins reduced inflammation or because they further lowered bad cholesterol, since they do both.

However, a recent clinical trial called CANTOS studied an injectable antibody type of anti-inflammatory drug in people who had a prior heart attack and who also had elevated inflammatory markers despite statin treatment. This landmark study finally proved that targeting inflammation without changing cholesterol levels can have a significant impact. People treated with the novel anti-inflammatory treatment reduced their likelihood of subsequent heart attacks or strokes by 15 percent. It also decreased the need for major interventions such as angioplasty and bypass surgery by 30 percent, proving that addressing inflammation to prevent heart disease is essential. Additional studies are now looking at whether older, cheaper medications taken by mouth (colchine and methotrexate) can have similar heart protection benefits.

The Role of Inflammation in Heart Disease

Inflammation is part of your body’s immune response to an illness or injury. When you have a wound or an infection, inflammation helps fight off germs and facilitates healing. Buildup of cholesterol and other substances in your arteries (called plaques or atherosclerosis) can set off an inflammatory response, too.

“For short-term conditions, inflammation is helpful,” explains Michos. “But sustained low levels of inflammation irritate your blood vessels. Inflammation may promote the growth of plaques, loosen plaque in your arteries and trigger blood clots — the primary cause of heart attacks and strokes.”

When a blood clot blocks an artery to the heart, you have a heart attack. If the blood clot blocks an artery to the brain, the result is a stroke.

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