The mitral valve, located between the left atrium and left ventricle of the heart, is comprised of flaps that regulate blood flow between the two chambers. When working properly, the valve keeps blood flowing the right direction, through the heart and into the body.

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The PeaceHealth cardiology team at Bellingham’s St. Joseph Medical Center is proud to now offer the MitraClip valve repair procedure. Photo courtesy: PeaceHealth

But if the mitral valve becomes floppy or leaky and won’t seal properly, blood leaks back into the heart instead of continuing out of it. It’s a condition known as mitral valve regurgitation, with symptoms like fatigue, shortness of breath, coughing and heart palpitations, among others.

Fortunately, cardiologists can repair the valve to reduce or stop severe forms of the condition. This traditionally requires open-heart surgery, but now, a less-invasive procedure called the MitraClip is available for qualifying patients at Bellingham’s PeaceHealth St. Joseph Medical Center.

The MitraClip procedure uses a catheter inserted into a small groin incision. The catheter, which includes the small clip device, is then guided through a leg vein to reach the heart, where the valve is clipped to minimize or stop occurring leakage.

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The MitraClip procedure is handled primarily by Dr. Eric King. An experienced interventional cardiologist, Dr. King has practiced at PeaceHealth for nearly 10 years and is expert in an array of minimally invasive heart procedures. Photo courtesy: PeaceHealth

Manufactured by Abbott and FDA-approved in 2013, MitraClip had been used to treat more than 80,000 people worldwide as of March 2019. PeaceHealth St. Joseph began offering MitraClip in July of 2021. Three patients have undergone the procedure, with several more scheduled soon, says Dr. Eric King, an interventional cardiologist and the sole conductor of MitraClip procedures. All three patients, Dr. King says, are recovering well.

“This really can help their symptoms,” he says of MitraClip. “It can help prevent patients from being re-admitted to the hospital for heart failure exacerbations, improve their heart failure, and hopefully, improve their quality of life.”

So why does the mitral valve become dysfunctional in the first place?

There are several reasons. One is simply degradation as people age, causing the valve to tear.

“The mitral valve’s kind of like a parachute that has parachute cords,” Dr. King explains. “The cords that hold it are tethered in place, but those can sometimes rupture or tear. And that’s one of the reasons you get a valve that becomes really floppy and leaky.”

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A cross-section reveals the location of the mitral valve, located between the left atrium and left ventricle of the heart. Photo courtesy: PeaceHealth

Heart failure, leading to enlargement of the heart muscle, can also pull the tethers of the valve apart over time, as the chamber walls get further and further apart from each other. Serious illness affecting the heart can also lead to valve trouble.

Who’s a good candidate?

For patients with mitral valve regurgitation, milder versions can be treated with medications. But when severe forms of the condition necessitate surgery, open-heart surgery is still the standard of care for optimal mitral valve repair.

Patients who have concerns about mitral regurgitation or are interested in MitraClip should contact their primary care physician or cardiologist to learn more.

Due to advanced age, heart or lung conditions, however, open-heart procedures simply provide too much risk of complication for some patients. For them, the MitraClip procedure is ideal.

Patients for the procedure must also be free of infection and blood clots, be able to tolerate blood thinners, and have a mitral valve condition that’s not caused by a case of rheumatic fever. The screening process of qualification includes diagnostic tests like blood work and an angiogram, as well as both an echocardiogram and a transesophageal echocardiogram.

A clip is inserted on the flaps of the mitral valve, minimizing or stopping occurring blood leakage from the valve’s dysfunction. Photo courtesy: PeaceHealth

The MitraClip procedure can last three to four hours, a timeframe similar to the open-heart version of the valve fix. However, the recovery time of MitraClip is typically much quicker.

“Patients are usually able to get up out of bed after about three hours,” Dr. King says. “Usually, they go home the following day.”

A week’s worth of activity and weight-lifting restrictions follow once a patient leaves the hospital. Post-recovery, Dr. King says medical literature and studies prove that many patients generally feel an improved sense of energy and overall well-being once their valve issue is corrected.

Moving forward, the use of the MitraClip procedure in Whatcom County will save some of the most vulnerable mitral valve patients a lot of time and worry.

“Previously, our patients were having to go down to a different center in Seattle to get this procedure done,” Dr. King says. “Now, having it here…it’s a pretty awesome thing for the community.”


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