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Exercise can ease peripheral artery disease symptoms

walking
Credit: Unsplash/CC0 Public Domain

Patricia Creque describes herself as "one of those people who has music in my head and am always ready to dance."

Peripheral artery disease (PAD), however, had made it difficult for her to dance—or even walk.

"For years I had such issues with my legs," said Creque, 69, of Wyomissing. "I had no idea what was causing the pain, but it affected my quality of life."

Determined to find out what was going on, Creque researched possible causes of leg pain and read about PAD. When she learned it was caused by atherosclerosis, or hardening of the arteries, she began to connect the dots.

"I knew I had atherosclerosis, and I knew it had affected my heart, but I didn't know it could also be causing the pain in my legs," Creque said.

She consulted her primary care physician, who sent her to Penn State Health Vascular Surgery in Wyomissing. She learned that PAD is a common condition, affecting 5 to 6 million people in the United States. While some people with PAD are asymptomatic, others, including Creque, experience the classic symptom of leg cramping and pain with physical activity that gets better with rest.

"The pain from muscle cramping in the legs is always there when you walk, but as soon as you stop walking, it goes away," said Dr. Ali Amin, a vascular surgeon at Penn State Health St. Joseph Medical Center. "That's the difference between PAD and other types of leg pain."

Cause and symptoms of PAD

Amin explained that atherosclerosis causes blood vessels to narrow, restricting blood flow to a person's extremities—usually the legs. When blood supply is reduced, not enough oxygen and nutrients get to the muscles, especially during increased demand, such as walking, which results in pain.

Other symptoms may include pain in the foot while resting, discoloration of the feet or legs, numbness and cold feet. More advanced symptoms include ulcers of the foot or gangrene of the foot or toes, which may result in amputation. PAD also can lead to , which could cause a stroke or heart attack.

"PAD can be a serious condition," Amin said. "If you have leg pain only one day out of seven, that's not . But if you have pain every time you walk, you should take it seriously and get checked."

Benefits of supervised exercise therapy

Once Creque had been diagnosed with PAD, she was treated with balloon angioplasty to open up her narrowed arteries. Despite this, her pain persisted. Eager for solutions, she resumed her research and discovered Penn State Health's supervised program. She contacted Spring Ridge Outpatient Center for more information.

Learning that she qualified for the program, Creque decided to enroll.

A clinical exercise physiologist with Penn State Health Spring Ridge Outpatient Center, Allison Canon leads the supervised exercise program for PAD patients. Participants who are able are instructed to walk on treadmills, Cannon said, while anyone who has trouble accessing a treadmill is encouraged to participate in walking exercises on the floor.

Exercise is prescribed for PAD patients because it increases blood flow and improves circulation, which can ease pain. Patients may experience discomfort while walking, but it's the best exercise for .

"We don't want patients working to severe pain, but some discomfort is good because it means the blood is working to get through blockages and to the muscles," Cannon said.

As they build up stamina and pain tolerance, patients are challenged to increase the distance they can walk on a treadmill. Creque, who said she could not tolerate much walking at all when she started the program, was able to accomplish three sets of 12 to 15 minutes on the treadmill by the end.

Program staff members observe patients, monitoring their vital signs, pain level, endurance, recovery time and the speed and elevation of the treadmill.

Cannon encouraged PAD patients who are interested in the program to consult with their provider about getting enrolled in a supervised exercise therapy program near them.

"It's really rewarding to work closely with patients and see how much they improve by their last day," Cannon said.

Any exercise is helpful for PAD

While supervised exercise therapy has been found to improve walking ability, overall function and health-related quality of life in patients with symptomatic PAD, patients who exercise on their own can also see improvements. Walking or using a stationary bike can increase blood flow to the legs, while swimming, yoga and stretching may improve overall circulation.

Amin advised patients to exercise as much as they are able, while also taking other steps to minimize their chances of developing PAD and lessening symptoms.

"Stop smoking, control your blood sugar and watch your cholesterol and ," Amin advised. "Watch what you eat and exercise as much as you're able to. You don't have to go to the gym or have any special equipment. Just walk as much as you can."

Citation: Exercise can ease peripheral artery disease symptoms (2024, April 25) retrieved 16 June 2024 from https://medicalxpress.com/news/2024-04-ease-peripheral-artery-disease-symptoms.html
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