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Vertebrobasilar circulatory disorders

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

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

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 risk factors 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, neck ache
  • Hearing loss
  • Muscle weakness
  • Nausea and vomiting
  • 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:

  • CT or MRI of the brain
  • Computed tomography angiography (CTA), magnetic resonance angiography (MRA), or ultrasound to look at blood vessels in the brain
  • Blood tests, including blood clotting studies
  • Echocardiogram
  • Electrocardiogram (ECG) and Holter monitor (24-hour ECG)
  • X-rays of the arteries (angiogram)

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.

    • Arteries of the brain

      Arteries of the brain - illustration

      The internal carotid arteries and the vertebral arteries supply blood to the brain.

      Arteries of the brain

      illustration

      • Arteries of the brain

        Arteries of the brain - illustration

        The internal carotid arteries and the vertebral arteries supply blood to the brain.

        Arteries of the brain

        illustration

      Review Date: 7/29/2018

      Reviewed By: Amit M. Shelat, DO, FACP, FAAN, Attending Neurologist and Assistant Professor of Clinical Neurology, Stony Brook University School of Medicine, Stony Brook, NY. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, Brenda Conaway, Editorial Director, and the A.D.A.M. Editorial team.

      The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., a business unit of Ebix, Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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