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Vasospasm - A Complication From Stroke

  • Published: 2011-07-16 : Vasospasm 2011.
  • Synopsis: Vasospasm occurs when a nearby blood vessel goes into spasm and constricts closing down the vessel and possibly leading to permanent brain damage or death.

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The commonly heard phrase complications from stroke can cover a wide variety of medical issues, including seizures and swelling of the brain.

But one complication, known as vasospasm, is little known outside the medical community even though it's a life-threatening occurrence that has no proven effective method of treatment. In fact, an international convocation of physicians, researchers and nurses in Cincinnati later this month will attempt to unravel some of the mysteries surrounding vasospasm.

Vasospasm 2011:

The 11th International Conference on Neurovascular Events after Subarachnoid Hemorrhage will take place July 21-23 at the Hilton Cincinnati Netherland Plaza. It will be hosted by the University of Cincinnati ( UC ) Department of Neurosurgery, the UC Neuroscience Institute and Mayfield Clinic and is sponsored by the Mayfield Education and Research Foundation.

A subarachnoid hemorrhage ( SAH ) is a type of stroke that occurs when an aneurysm in a blood vessel near the brain ruptures, causing bleeding in the area surrounding the brain ( the subarachnoid space ). Vasospasm ( pronounced VAY-zoh-spasm ) occurs when a nearby blood vessel goes into spasm and constricts, closing down the vessel and possibly leading to permanent brain damage or death.

"Vasospasm in a certain way is analogous to a second stroke after the first stroke," says Joe Clark, PhD, a professor in UC's neurology department whose research interests include causes of cerebral vasospasm. Clark is co-chair of Vasospasm 2011 along with Mario Zuccarello, MD, Frank H. Mayfield Professor and Chair of neurosurgery.

"As the name implies vaso meaning blood vessel and spasm meaning to contract the blood vessels constrict and that constriction can cause a second stroke and that can be lethal."

Clark says his research indicates that the metabolism of the blood changes following bleeding in the brain, with those chemical changes producing toxins that can change the way the brain and surrounding tissue behave. Those changes can lead to a number of conditions, including vasospasm.

"It's a devastating scenario," Clark says. "Sometimes a stroke patient can look like he or she is getting better. But as caregivers warn the family, there's a complication risk that can occur days later. It's catastrophic and heartbreaking for the family members."

Although there has been some progress in the past few decades, a proven way to treat vasospasm remains elusive making this month's conference all the more critical. "We remain firmly committed to finding effective new treatments," says Zuccarello. "Vasospasm is a clear and obvious target because it is the leading, potentially treatable cause of death and disability following an aneurysm rupture."

Adds Clark, "If we can come up with a prophylactic treatment what could be given after the initial hemorrhage that is safe and could prevent the complications afterward, that would be wonderful. That does not exist, but it's a huge component of what we're trying to do."

Vasospasm 2011 will include a special white paper session aimed at formulating an international consensus document regarding the clinical management of SAH patients in a neuro-critical care setting. In addition, novel research ideas from young investigators are being encouraged with a range of awards.

"One of the things that I like very much about this meeting is that it's a wonderful mix of physicians, scientists and nurses, and all of us have different perspectives," says Clark. "There are relatively few conferences where you have such a broad mixture of those different disciplines."

For more information on the conference, visit

Similar Topics

1 - Mini-Strokes - Understanding and Knowing the Warning Signs - Family Features.
2 - 1 in 3 American Adults May Have Already Had a Warning Stroke - American Stroke Association.
3 - Ways to Reduce Risk of Having a Stroke - The Centers for Disease Control and Prevention.
4 - Vasospasm - A Complication From Stroke - Vasospasm 2011.
5 - Family Involvement in Stroke Patient Exercise Therapy - American Heart Association.
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