EXCLUSIVE: New Heart Stent Device Debuts at Knoxville Hospital

By: Liz Tedone
By: Liz Tedone

Knoxville (WVLT) - A groundbreaking device to making a debut at a Knoxville hospital is expected to help heart patients. If you have stents in your arteries, then you know re-blockage is a strong possibility.

WVLT Volunteer TV’s Liz Tedone takes an exclusive look at a procedure being done at Baptist hospital, the first of its kind in the world.

Doctor Malcolm foster is positioning a stent in his patient's renal artery. It's a routine procedure, but today, Dr. Foster will make history by using a new device called the Ostial Pro Stent Positioning System. The Ostial Pro allows Doctor Foster to be more accurate with his placement of a stent.

"The device allows us to position the stent exactly where we want it, in and around the diseased aorta, and got it exactly where we want it,” says Dr. Foster.

Until now, doctors didn't have the ability to get this type of precision and patients experienced re-blockage and required further stenting. Inventor Dr. Tim Fischell says he designed the Ostial Pro because he was frustrated. “And in three out of four cases, I put the stent in the wrong place, we needed better ostial stent positioning.”

This is how the Ostial Pro works. It acts as a guide by allowing doctors to pull back and position the stent precisely in the opening of the vessel. The tiny feet on the Ostial Pro attach to the wall of the aorta to help doctors gauge the stent's position. The stent is deployed and the Ostial Pro is removed.

“It's way better to get the stent in the right place the first time to prevent reblockage. It's not zero, but it might go from 90 percent to 5 or 10 percent,” says Dr. Fischell.

Good news for heart patients so they don’t have to endure repeat procedures and possibly more medical bills.

“This is the type of procedure we do everyday in the cath lab. So it's easily added to our treatment,” says Dr. Foster.

And because of the Ostial Pro's debut at Baptist Hospital will make it available to East Tennesseans first.

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