UConn Cardiologist is First in New England with New Treatment

A new device used to treat peripheral arterial disease offers an alternative to bypass surgery.

<p>Dr. Kanwar Singh shows cardiology nurse Cathy Ingriselli the Wildcat catheter. Photo by Janine Gelineau</p>
Dr. Kanwar Singh shows cardiology nurse Cathy Ingriselli the Wildcat catheter. Photo by Janine Gelineau

A cardiologist at the Health Center is the first physician in the region to take an innovative, minimally invasive approach to treating peripheral arterial disease.

Using a new device called the Wildcat catheter, Dr. Kanwar Singh, interventional cardiologist in the Pat and Jim Calhoun Cardiology Center, has been able to re-open a completely blocked artery in a patient’s leg through a two-millimeter skin incision.

Some blockages are severe and difficult to pass through with traditional catheters, forcing patients to undergo more invasive bypass surgery and subjecting them to higher risks and prolonged recovery. In those cases where the plaque deposits cannot be passed, patients face an increased possibility of losing a limb to amputation.

The new minimally invasive alternative to bypass surgery enables patients to leave the hospital within hours, and return to normal activities within a few days.

“We are fortunate to have access to cutting-edge technology like this that helps us treat high-risk patients here at the Calhoun Cardiology Center,” says Singh, co-director of the Health Center’s interventional cardiology program. “So many of our patients want and need safer alternatives to surgery.”

<p>Wildcat catheter. Photo by Janine Gelineau</p>
The Wildcat catheter. Photo by Janine Gelineau

The Wildcat catheter was developed by Avinger Inc., which was founded by interventional cardiologist Dr. John Simpson, a renowned inventor and pioneer in the treatment of cardiovascular disease. The Food and Drug Administration approved its use last year.

Avinger invited the UConn Health Center to be among the first to use the new device.

“The Avinger group specifically approached us,” Singh says. “They know we are doing truly advanced work here in vascular disease, and wanted to partner with us early in the rollout of this new device.”

Singh says that, as advanced as the Wildcat catheter already is, future generations of the tool are already planned that will incorporate a forward-looking imaging component that may be the next quantum leap in vascular disease.

“It’s really exciting to be a part of this program,” he says.

Peripheral arterial disease is an extremely common circulatory problem in which plaque builds inside the arteries and obstructs blood flow to the lower limbs and feet. It affects 10 percent to 25 percent of Americans age 55 and older, or approximately 8 million adults, and the percentage increases with age.

Peripheral arterial disease is the leading cause of amputation in patients over 50, and is responsible for almost 200,000 amputations every year in the United States alone. In addition, people suffering from peripheral arterial disease have a four-to-five-times higher risk of related vascular disease, such as heart attack or stroke.