PAD and Stroke Risk: Why Vascular Health Matters
Peripheral Arterial Disease (PAD) and stroke are both conditions linked to vascular health. PAD limits blood flow to the legs and arms, while stroke occurs when blood flow to the brain is blocked or interrupted. Because both share common risk factors like high blood pressure, smoking, and diabetes, patients with PAD may face a higher risk of stroke.
PAD and Stroke Overview
Can leg pain signal issues in your brain? While it may not seem obvious at first, the pain in your leg could be a sign that your brain is in danger. Peripheral artery disease (PAD) is a vascular condition that occurs when narrowed arteries reduce blood flow to the extremities. Both PAD and stroke are caused by atherosclerosis, which is plaque buildup in the arteries. People who live with PAD have a much higher chance of having a stroke than others.
In short, PAD is a warning sign and not just a problem of the legs - it’s a marker of overall vascular disease, which means higher risk of stroke and other serious cardiovascular events.
What is Peripheral Artery Disease (PAD)?
Peripheral artery disease (PAD) occurs when arteries outside the heart and brain narrow. Such narrowing restricts blood flow in the extremities, with legs usually being more affected than arms.
The common symptoms of PAD are:
- Leg pain when walking
- Leg numbness or weakness
- Coldness in the lower leg or foot
- Cramping or fatigue in the legs
- Sores on toes, feet, or legs
- Change in leg color
- Slower hair growth on legs
- Slower toenail growth
- Shiny skin on legs
- Claudication
- Rest pain
- Ulcers
Risk factors for PAD overlap with other vascular conditions. They include smoking, diabetes, high blood pressure, and high cholesterol. Aggravating factors are age and a family history of vascular disease. Discover more about the 4 stages of PAD in our ‘Diagnosing and Treating Peripheral Artery Disease’ blog post.
Understanding Stroke
A stroke occurs when blood flow to the brain is interrupted. The two main types of stroke are:
- Ischemic stroke: Caused by a clot or blocked artery.
- Hemorrhagic stroke: Caused by a ruptured blood vessel.
Symptoms of stroke may appear suddenly. They can include weakness on one side of the body, difficulty speaking, and vision changes. The condition requires immediate medical attention; otherwise, the damage can be permanent.
Do you know how to spot a stroke F.A.S.T.?
The American Stroke Association invented the F.A.S.T. program to help people identify the signs of a stroke.
F: Face drooping on one side
A: Arm weakness in one arm
S: Slurred speech
T: Time to call emergency responders and rush them to see a neurointervention specialist.
Most importantly, stroke is not an isolated brain problem. It reflects the overall health of the vascular system.
The PAD–Stroke Connection
PAD is a vascular condition that signals widespread arterial disease. When arteries in the legs are narrowed, there is a high chance that arteries in the brain are also affected. This increases the likelihood of an ischemic stroke.
The two conditions share common risk factors:
- Hypertension
- Diabetes
- Smoking
- High cholesterol
- Older age
Due to such overlaps, doctors often see PAD as a warning sign for future stroke. Addressing PAD as early as possible is key to protecting both leg and brain health. Patients with Peripheral Arterial Disease (PAD) have a higher risk of stroke for the following reasons.
Systemic atherosclerosis: PAD is usually caused by atherosclerosis (plaque buildup in arteries). If arteries in the legs are affected, it’s likely that arteries in the brain and heart are also diseased.
Shared risk factors: High blood pressure, smoking, diabetes, and high cholesterol all contribute to both PAD and stroke.
Cerebrovascular events: Studies show that people with PAD are several times more likely to experience stroke or heart attack compared to those without PAD.
Detecting PAD and Reducing Stroke Risk
Your healthcare provider can run several tests to determine whether you have PAD. The majority of them are non-invasive:
- Ankle-brachial index: Comparing blood pressure in the ankle to the blood pressure in the arm. A healthy result is 1.0. Anything below 0.9 can mean that you have PAD.
- Doppler ultrasound: Locating the area of reduced blood flow and measuring how fast the blood is going through the arteries.
- 6-minute walking test: Measuring how far you can walk for 6 minutes to check the extent of PAD.
However, even before the doctor suspects PAD, it's up to the person to keep all the regular appointments. This can make it possible to treat PAD before it manifests serious symptoms and leads to stroke. Peripheral arterial disease often reflects wider vascular disease affecting other parts of the body. Our Peripheral Arterial Disease Decision-Making Guide explains how PAD relates to stroke risk, overall vascular health, and long-term prevention strategies.
PAD Treatment Options
Depending on the stage of PAD and your medical history, the healthcare provider can offer several treatment options.
The main goal of PAD treatment is to restore the blood flow through the arteries. A doctor can suggest such minimally invasive procedures including angioplasty and stenting or mechanical thrombectomy. Learn more about minimally invasive treatment options for PAD in our other article. The type of procedure depends on the condition of the arteries.
Stroke Prevention Strategies
Managing PAD also involves reducing stroke risk. The best way to treat a stroke is to prevent stroke. There are well known causes of stroke such as high blood pressure, high cholesterol level, poor controlled diabetes and smoking. Other risk factors include obesity and unhealthy lifestyle combined with lack of physical activity. Preventive measures include lifestyle changes, such as quitting smoking, controlling blood sugar levels, exercising regularly, and coming in for stroke screening.
What Does Stroke Screening Involve?
Stroke screening process involves:
1. Consultation
2. Blood tests
3. MRI /CT scan of the brain and its blood vessels.
This non-invasive assessment is followed by appropriate advice/ treatment as required on an individual basis. Stroke screening can also be combined with cardiac and vascular assessment as required since risk factors for these medical conditions overlap.
Access PAD and Stroke Care with the Supreme Vascular and Interventional Clinic in Singapore
PAD is not just a leg pain problem that will go away on its own. It's a vascular condition with a stroke risk. Diagnosing it on time can help prevent serious consequences and improve your quality of life.
If you suffer from leg pain and suspect vascular issues, we invite you to reach out to Dr. Manish Taneja for a consultation at the Supreme Vascular and Interventional Clinic, a specialized stroke clinic in Singapore.
Consult a Vascular Specialist in Singapore
From family and internal medicine to specialist, Dr. Manish Taneja is the best in the field. As a vascular and interventional radiology specialist, Dr Manish Taneja looks after peripheral vascular diseases, peripheral arterial diseases, aneurysms, dialysis interventions, and venous diseases. He is also competent in performing newer endovascular procedures such as uterine artery embolization, prostate artery embolization, genicular artery embolization, and erectile dysfunction interventions.
Dr. Manish Taneja also has extensive experience in performing all vascular interventions, non-vascular interventions and interventional oncology procedures.
Supreme Vascular PAD and PVD Treatments
Stroke Resources
Stroke Prevention Tips: How to Avoid High Cholesterol
Controllable risk factors are lifestyle choices that can be changed to reduce the risk of having a stroke including managing your cholesterol.
We’ve Got You Covered for Specialized Stroke Screening, Prevention, and Management
Imagine heart attacks where the blood flow to your heart is blocked. Similarly, a stroke occurs when the blood flow to your brain is interrupted becoming a “brain attack”, affecting a blood vessel and surrounding brain function. When blood supply does not reach a certain part, brain cells begin to die. Different types of stroke include ischemic strokes or a mini stroke, a TIA (transient ischemic attack). Common risk factors include high blood pressure, which increases strain on the blood vessel and raises the likelihood of a stroke. Symptoms can vary, but may include difficulty in speaking and other changes depending on how blood flow is affected. Understanding risk factors and acting early can make a difference. It’s important to work closely with a specialist to monitor your health and reduce stroke risk.
Other Health Conditions
The Supreme Vascular and Interventional Clinic is your “go-to” facility for various conditions and treatments. To arrange an appointment with Dr. Manish Taneja, our vascular and stroke specialist, contact us. You can also call us at (+65) 6904 8084 for a consultation.