02 يوليو Risk Factors for Peripheral Artery Disease: Are You at Higher Risk?
Peripheral artery disease (PAD) is a common vascular condition that occurs when the arteries supplying blood to the limbs—particularly the legs—become narrowed or blocked due to the buildup of fatty deposits within the artery walls. Reduced blood flow can lead to leg pain while walking, slow wound healing, and, if left untreated, serious complications.
Although PAD may develop silently in some people, understanding its risk factors can help with early detection and allow preventive measures to reduce the likelihood of disease progression.
What Is Peripheral Artery Disease?
Peripheral artery disease (PAD) is a circulatory disorder caused by the narrowing of arteries due to the accumulation of cholesterol, fat, and inflammatory deposits, a process known as atherosclerosis.
As the arteries become narrower, less oxygen-rich blood reaches the muscles and tissues of the legs, preventing them from functioning properly.
What Are the Risk Factors for Peripheral Artery Disease?
Several factors increase the likelihood of developing PAD. Some are preventable and manageable, while others cannot be changed.
Smoking
Smoking is considered the single most important risk factor for peripheral artery disease. It damages the inner lining of blood vessels, promotes plaque buildup, narrows the arteries, and reduces blood flow to the limbs.
The longer a person smokes and the greater the tobacco exposure, the higher the risk. However, quitting smoking can significantly reduce the risk of PAD and improve circulation.
Diabetes
Long-term elevated blood sugar levels damage both blood vessels and nerves, substantially increasing the risk of blocked leg arteries.
People with diabetes are also more likely to experience slow-healing wounds, diabetic foot ulcers, and, in severe cases, a higher risk of limb amputation if the disease is not diagnosed and treated early.
High Blood Pressure
Persistently elevated blood pressure places continuous stress on the artery walls, leading to damage over time and accelerating the development of atherosclerosis.
Maintaining healthy blood pressure is therefore an essential part of preventing peripheral artery disease.
High Cholesterol
Excess cholesterol, particularly low-density lipoprotein (LDL) cholesterol, can accumulate inside the artery walls, forming plaques that narrow the arteries and restrict blood flow.
Keeping cholesterol levels within a healthy range helps reduce the progression of PAD.
Aging
The risk of peripheral artery disease increases with age, especially after the age of 50, as blood vessels naturally undergo structural changes over time.
The risk becomes even greater in individuals who also have diabetes, smoke, or have other cardiovascular risk factors.
Obesity and Excess Weight
Obesity is closely associated with conditions such as hypertension, diabetes, and high cholesterol, all of which accelerate the development of atherosclerosis.
In addition, excess body weight often contributes to a sedentary lifestyle, further increasing cardiovascular risk.
Physical Inactivity
Regular physical activity promotes healthy circulation and helps maintain blood vessel function. In contrast, a sedentary lifestyle increases the risk of cardiovascular disease, including PAD.
Family History
Individuals with a family history of atherosclerosis, heart disease, or stroke—particularly when these conditions occur at an early age—may have a higher likelihood of developing peripheral artery disease.
Cardiovascular Disease
People with coronary artery disease or those who have previously experienced a heart attack or stroke are at increased risk of PAD because these conditions share the same underlying process: atherosclerosis.
Chronic Kidney Disease
Chronic kidney disease is associated with increased inflammation and blood vessel dysfunction, both of which contribute to the development of atherosclerosis and impaired circulation to the legs.
What Are the Symptoms of Peripheral Artery Disease?
Many people with PAD have no symptoms during the early stages. As the disease progresses, symptoms may include:
- Leg pain or cramping while walking that improves with rest.
- Coldness in one or both feet.
- Numbness or weakness in the legs.
- Slow-healing sores or wounds on the feet.
- Pale, bluish, or discolored skin.
- Poor nail growth or hair loss on the legs.
- Foot pain even while resting in advanced stages.
Who Is Most at Risk?
The likelihood of developing peripheral artery disease is higher in people who:
- Are over the age of 50 and have diabetes or a history of smoking.
- Are 65 years or older.
- Have had diabetes for many years.
- Have high blood pressure or high cholesterol.
- Currently smoke or have smoked in the past.
- Have heart disease or chronic kidney disease.
- Have a family history of atherosclerosis or cardiovascular disease.
How Can You Reduce Your Risk?
The risk of developing peripheral artery disease—or slowing its progression—can be significantly reduced through healthy lifestyle choices, including:
- Quitting smoking.
- Keeping blood sugar levels under control.
- Managing blood pressure and cholesterol.
- Exercising regularly, especially walking.
- Following a heart-healthy diet rich in fruits, vegetables, whole grains, and low in saturated fats.
- Maintaining a healthy body weight.
- Attending regular medical checkups, particularly if you have multiple risk factors.
When Should You See a Doctor?
Consult a vascular specialist if you experience:
- Recurring leg pain while walking.
- Foot wounds that do not heal.
- Coldness or discoloration of one foot.
- Persistent numbness or weakness in the legs.
- Multiple risk factors for PAD, even in the absence of symptoms, as your doctor may recommend screening tests for early detection.
Read More: Cost of Varicose Vein Treatment
References:
Arabic 
English