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  1. University of Arkansas for Medical Sciences
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  5. UAMS is First in Arkansas to Use New Technology to Remove Valve Infection, Debris Without Surgery

UAMS is First in Arkansas to Use New Technology to Remove Valve Infection, Debris Without Surgery

By Linda Satter

Subhi Al'Aref, M.D., and Malley Bailey hold the Alpha Vac device.
Subhi Al’Aref, M.D., and Malley Bailey hold the Alpha Vac device.

April 18, 2022 | LITTLE ROCK — A cardiologist at the University of Arkansas for Medical Sciences (UAMS) is the first physician in Arkansas to use a new device to remove infectious vegetation from a woman’s heart valve in a 45-minute minimally invasive procedure.

Subhi Al’Aref, M.D., an assistant professor in the Division of Cardiology in the Department of Internal Medicine in the UAMS College of Medicine, said the patient was a 28-year-old woman who had developed an infection in her tricuspid valve.

Although the infection was being treated with antibiotics, doctors wanted to remove it quickly before it could spread to other organs, or further damage the heart. However, heart surgeons deemed open-heart surgery too risky. Al’Aref said those factors and the woman’s young age created an opportunity to try out the AlphaVac, a portable device that received FDA approval in September for the nonsurgical removal of thrombi, emboli or clots from the venous system. The device resembles a vacuum cleaner hose with a squeeze handle.

On April 6, Al’Aref inserted a cannula on one end of the device into the woman’s right femoral vein through a small opening in the skin, as she lay on a table under anesthesia. Watching his progress on an echocardiogram, he then guided the cannula through the vein into the heart, stopping as he approached the wad of debris that was visible on the screen. Al’Aref then squeezed the handle, creating suction that gently pulled the debris into the cannula without stretching or harming the valve.

The captured vegetation was then sucked out of the body through the tubing, which expelled it into a clear waste bag, instantly removing the threat of a rapidly spreading, dangerous infection. The patient recovered immediately.

Al’Aref said the procedure can be done on an outpatient basis.

“It provides options for a lot of patients,” Al’Aref said. “It gives us hope for a lot of patients who otherwise don’t have options.”

Malley Bailey, a representative for AngioDynamics that makes the device, said the AlphaVac system is intended to be used with commonly available vascular access tools to facilitate the nonsurgical removal of thrombi, emboli or clots during minimally invasive percutaneous procedures.

Bailey said the device is being introduced in hospitals across the country, and UAMS is the first to use it in Arkansas and surrounding mid-South area.

The same company also makes the AngioVac system, with is used with a pump, filter and reinfusion cannula to avoid the need for open-heart surgery. The AngioVac also is commonly used to “vaccum out” undesirable intravascular material, but it requires the patient to be hooked up to a bypass machine and takes several hours to complete. The AlphaVac system doesn’t require the use of a bypass machine and is a much quicker and less invasive procedure.

Physicians in the UAMS Heart Center first used the AngioVac system in late 2020 to remove a large blood clot that was headed from a man’s heart into his lung, a situation known as thrombus-in-transit.

Posted by Chris Lesher on April 18, 2022

Filed Under: News

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