Buerger Disease
Tobacco-linked inflammation and clotting of limb blood vessels
Quick Facts
- Type: Vasculitis of small and medium vessels
- Strongest link: Tobacco use
- Affected areas: Hands and feet
- Key treatment: Complete tobacco cessation
Overview
Buerger disease, also called thromboangiitis obliterans, is a rare condition that affects the small and medium-sized blood vessels in the arms and legs. The vessels become inflamed and can fill with clots, which reduces or blocks blood flow to the hands, fingers, feet, and toes. Without enough blood, the affected tissues become painful and, in severe cases, can develop sores or tissue death.
The disease is very strongly linked to tobacco use in every form, including cigarettes, chewing tobacco, and smokeless products. It most often affects men in early to middle adulthood, although it is increasingly recognized in women as tobacco use patterns change. Stopping all tobacco is the single most important step and can halt the progression of the disease.
Symptoms
Symptoms come from reduced blood flow to the hands and feet and often affect more than one limb.
- Pain, cramping, or aching in the hands, feet, fingers, or toes, sometimes triggered by use and relieved by rest
- Pale, blue, or red discoloration of the fingers or toes
- Coldness or numbness in the affected limbs
- Painful open sores or ulcers on the fingers or toes
- Color changes when exposed to cold, similar to Raynaud's phenomenon
- Tender, cord-like inflamed veins just under the skin
As the disease advances, pain may occur even at rest, and tissue may break down, which is a serious sign.
Causes
The exact cause of Buerger disease is not fully understood, but its connection to tobacco is clear and central. Nearly everyone who develops the disease uses or has used tobacco, and continued use drives the disease forward. Tobacco is thought to trigger inflammation and clotting in the affected vessels, though the precise mechanism is still being studied.
Some researchers believe an immune response or a genetic tendency may make certain people more susceptible, but tobacco exposure remains the essential factor. The disease is not contagious.
Risk Factors
- Use of tobacco in any form, the dominant risk factor
- Male sex, though women are increasingly affected
- Age under 45 at onset
- Chronic gum infection, which has been observed in some patients
Diagnosis
There is no single test for Buerger disease, so doctors make the diagnosis by combining the clinical picture with tests that rule out other causes of blocked blood vessels.
- History and exam: A young tobacco user with limb pain, ulcers, or absent pulses raises suspicion.
- Angiography: Imaging of the arteries can show a characteristic pattern of narrowing and blockage in small vessels.
- Blood tests: Used to exclude other conditions such as diabetes, clotting disorders, autoimmune disease, and atherosclerosis.
- Allen test: A bedside check of blood flow to the hand.
Treatment
The most effective treatment by far is complete and permanent avoidance of all tobacco, including secondhand smoke. People who quit can often stop the disease from worsening, while those who continue frequently progress to tissue loss.
- Tobacco cessation: The cornerstone of treatment; counseling and quit-support programs improve success.
- Medications: Drugs that widen blood vessels or improve blood flow, and pain control as needed.
- Wound care: Careful treatment of ulcers to prevent infection.
- Procedures: In severe cases, treatments to improve circulation may be tried, and amputation of fingers or toes may become necessary if tissue dies.
Prevention
Because tobacco is so central to this disease, prevention focuses entirely on avoiding it.
- Do not start using tobacco in any form
- If you use tobacco, quit completely; this both prevents and treats the disease
- Protect the hands and feet from cold and injury
- Inspect the fingers and toes regularly for color changes or sores
When to See a Doctor
See a doctor if you use tobacco and develop pain, coldness, color changes, or numbness in your hands or feet, especially if it improves when you rest and returns with activity. Seek prompt care for:
- A non-healing sore or ulcer on a finger or toe
- Blackening of skin or tissue, which may signal tissue death
- Severe, constant pain in a limb even at rest
Frequently Asked Questions
What is the most important treatment for Buerger disease?
Stopping all tobacco use completely and permanently is the most important treatment. People who quit can often halt the disease, while those who keep using tobacco usually get worse and may lose fingers or toes. No medication replaces quitting.
Is Buerger disease the same as atherosclerosis?
No. Atherosclerosis is caused by fatty plaque building up in arteries, usually in older adults. Buerger disease is an inflammatory condition of small and medium vessels strongly tied to tobacco, typically appearing in younger people.
Can Buerger disease be cured?
There is no cure, but the disease can often be stopped from progressing by quitting all tobacco. Symptoms may persist, and tissue already lost cannot be restored, which is why early quitting matters so much.
Does Buerger disease only affect smokers?
Almost everyone with Buerger disease uses or has used tobacco in some form, including chewing tobacco and smokeless products, not only cigarettes. The strong link to tobacco is one of the defining features of the disease.
What happens if Buerger disease is left untreated?
Without quitting tobacco, blood flow to the hands and feet keeps worsening. This can lead to constant pain, non-healing ulcers, and tissue death that may require amputation of fingers or toes.
References
- National Heart, Lung, and Blood Institute (NHLBI). Vasculitis.
- Mayo Clinic. Buerger's disease.
- MedlinePlus, U.S. National Library of Medicine. Buerger disease.
- Centers for Disease Control and Prevention (CDC). Smoking and tobacco use.