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Vertebrobasilar circulatory disorders

Definition

Vertebrobasilar circulatory disorders are conditions in which blood supply to the back of the brain is disrupted.

Alternative Names

Vertebrobasilar insufficiency; Posterior circulation ischemia; Beauty parlor syndrome; TIA - vertebrobasilar insufficiency; Dizziness - vertebrobasilar insufficiency; Vertigo - vertebrobasilar insufficiency

Causes

Two vertebral arteries join to form the basilar artery. These are the main blood vessels that provide blood flow to the back of the brain.

The areas in the back of the brain that receive blood from these arteries are needed to keep a person alive. These areas control breathing, heart rate, swallowing, vision, movement, and posture or balance. All of the nervous system signals that connect the brain to the rest of the body pass through the back of the brain.

Many different conditions may reduce or stop blood flow in the back part of the brain. The most common are smoking, high blood pressure, diabetes, and a high cholesterol level. These are similar to the risk factors for any stroke.

Other causes include:

  • Tear in the wall of an artery
  • Blood clots in the heart that travel to the vertebrobasilar arteries and cause a stroke
  • Blood vessel inflammation
  • Connective tissue diseases
  • Problems in the spinal bones of the neck
  • Outside pressure on the vertebrobasilar arteries, such as from a salon sink (nicknamed beauty parlor syndrome)

Symptoms

Common symptoms may include:

  • Difficulty pronouncing words, slurred speech
  • Difficulty swallowing
  • Double vision or vision loss
  • Numbness or tingling, most often on the face or scalp
  • Sudden falls (drop attacks)
  • Vertigo (sensation of things spinning around)
  • Memory loss

Other symptoms may include:

  • Bladder or bowel control problems
  • Difficulty walking (unsteady gait)
  • Headache
  • Hearing loss
  • Muscle weakness
  • Nausea and vomiting
  • Neck ache
  • Pain in one or more parts of the body, which gets worse with touch and cold temperatures
  • Poor coordination
  • Sleepiness or sleep from which the person cannot be awakened
  • Sudden, uncoordinated movements
  • Sweating on the face, arms, or legs

Exams and Tests

You may have the following tests, depending on the cause:

Treatment

Vertebrobasilar symptoms that start suddenly are a medical emergency that need to be treated right away. Treatment is similar to that for stroke.

To treat and prevent the condition, your health care provider may recommend:

  • Taking blood-thinning drugs, such as aspirin, warfarin (Coumadin), or clopidogrel (Plavix) to lower the risk for stroke
  • Changing your diet
  • Medicine to lower cholesterol and better control blood pressure
  • Exercising
  • Losing weight
  • Stopping smoking

Outlook (Prognosis)

The outlook depends on:

  • The amount of brain damage
  • What body functions have been affected
  • How quickly you get treatment
  • How quickly you recover

Each person has a different recovery time and need for long-term care. Problems with moving, thinking, and talking often improve in the first weeks or months. Some people will keep improving for months or years.

Possible Complications

Complications of vertebrobasilar circulatory disorders are stroke and its complications. These include:

  • Breathing (respiratory) failure (which may require the use of a machine to help the person breathe)
  • Lung problems (especially lung infections)
  • Heart attack
  • Lack of fluids in the body (dehydration) and swallowing problems (sometimes requiring tube feeding)
  • Problems with movement or sensation, including paralysis and numbness
  • Formation of clots in the legs
  • Vision loss

Complications caused by medicines or surgery may also occur.

When to Contact a Medical Professional

Call 911 or your local emergency number, or get to the emergency room if you have any symptoms of a vertebrobasilar circulatory disorder.

References

Correia PN, Meyer IA, Eskandari A, Michel P. Beauty parlor stroke revisited: an 11-year single-center consecutive series. Int J Stroke. 2016;11(3):356-360. PMID: 26763920 www.ncbi.nlm.nih.gov/pubmed/26763920.

Kernan WN, Ovbiagele B, Black HR, et al. Guidelines for the prevention of stroke in patients with stroke and transient ischemic attack: a guideline for healthcare professionals from the American Heart Association/American Stroke Association. Stroke. 2014;45(7):2160-2236. PMID: 24788967 www.ncbi.nlm.nih.gov/pubmed/24788967.

Kim JS, Caplan LR. Vertebrobasilar disease. In: Grotta JC, Albers GW, Broderick JP, et al, eds. Stroke: Pathophysiology, Diagnosis, and Management. 6th ed. Philadelphia, PA: Elsevier; 2016:chap 26.

Stayman A, Nogueira RG, Gupta R. Diagnosis and management of vertebrobasilar insufficiency. Curr Treat Options Cardiovasc Med. 2013;15(2):240-251. PMID: 23378181 www.ncbi.nlm.nih.gov/pubmed/23378181.

Review Date:7/4/2016
Reviewed By:Amit M. Shelat, DO, FACP, Attending Neurologist and Assistant Professor of Clinical Neurology, SUNY Stony Brook, School of Medicine, Stony Brook, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Isla Ogilvie, PhD, and the A.D.A.M. Editorial team.

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