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Healing Fact:
More than 8 million Americans live with peripheral artery disease (PAD), a major cause of painful wounds that may struggle to heal because of reduced blood flow.
Unlike venous ulcers, arterial ulcers develop because oxygen-rich blood cannot reach the tissues that need it.
Think of your arteries as highways delivering oxygen and nutrients throughout the body.
When those highways become narrowed by plaque, less blood reaches the feet and lower legs.
Without enough oxygen, even a small injury may struggle to heal.
What Causes Arterial Ulcers?
The most common cause is peripheral artery disease.
Risk factors include:
- Smoking
- Diabetes
- High blood pressure
- High cholesterol
- Aging
- Heart disease
These conditions reduce blood flow over time.
What Do They Look Like?
Arterial ulcers are often very different from venous ulcers.
Patients may notice:
- Deep wounds
- Round, “punched out” appearance
- Black tissue
- Toes or feet affected
- Cool skin
- Shiny skin
- Hair loss on the legs
- Significant pain, especially at night
Unlike venous ulcers, swelling is usually minimal.
Why Diagnosis Matters
This is one of the few wound types where treating the wound alone isn’t enough.
If blood cannot reach the tissue, healing becomes extremely difficult.
Many patients require vascular testing to determine whether procedures can improve circulation before the wound has any real chance of closing.
From a Nurse’s Perspective
I’ve met patients who focused entirely on the sore on their toe, never realizing the wound was actually a symptom of a much larger circulation problem.
The wound was asking for oxygen.
No dressing could provide that.
Only restoring blood flow could.
Healing Takeaway
Arterial ulcers remind us that healing begins long before the dressing is applied.
When oxygen can’t reach the tissues, the body’s remarkable healing process simply doesn’t have the tools it needs.
The next article looks at another common concern—foot ulcers—and why diabetes is only one piece of a much larger picture.
