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Many stroke patients not getting preventive therapy for blood clots

Date:
February 11, 2011
Source:
Loyola University Health System
Summary:
Patients with strokes, brain tumors and spinal cord injuries are at high risk for life-threatening blood clots, but many do not receive preventive therapy, researchers report.

Patients with strokes, brain tumors and spinal cord injuries are at high risk for life-threatening blood clots, but many do not receive preventive therapy, Loyola University Health System researchers report.

Neurologic and neurosurgical patients are prone to blood clots because they are immobile or because their blood is more likely to coagulate. But physicians often fail to recognize blood clots in such patients. And even when a blood clot is diagnosed, physicians sometimes fail to treat it with blood-thinning medications due to the risk of hemorrhage.

A blood clot is known as a venous thromboembolism (VTE). A VTE can be either a blood clot in the arms or legs, known as deep venous thrombosis (DVT), or a blood clot in the lungs, known as a pulmonary embolism (PE). A DVT can come loose and travel to the lung. Twenty-five percent of patients with DVT die as a result of subsequent pulmonary embolism, and the seven-day mortality from PE is 75 percent.

"In the long run, the benefits in preventing recurrent VTE outweigh the risk of bleeding complications," Dr. Michael J. Scheck and Dr. José Biller wrote in the February 2011 issue of the American Academy of Neurology journal Continuum.

In most neurologic and neurosurgical patients, beginning therapy with heparin blood-thinning medications within 24 to 48 hours "is both safe and effective," Schneck and Biller wrote.

About 75 percent of stroke patients may develop DVT without prophylactic measures, such as blood-thinning medication, walking as early as possible and compression sleeves and stockings. There's a "wealth of evidence" that such prophylactic measures reduce the frequency of DVT, PE and death in hospitalized patients, Schneck and Biller wrote.

"Neurologic and neurosurgical patients represent a high-risk subgroup because of underlying disease and immobility," Schneck and Biller wrote. "Aggressive intervention for prevention and treatment of DVT is imperative."

Schneck is medical director of Loyola's Neurosciences Intensive Care Unit and vice chair of Research and Faculty Development in the Department of Neurology. Biller is chairman of the Department of Neurology at Loyola University Chicago Stritch School of Medicine.


Story Source:

The above story is based on materials provided by Loyola University Health System. Note: Materials may be edited for content and length.


Cite This Page:

Loyola University Health System. "Many stroke patients not getting preventive therapy for blood clots." ScienceDaily. ScienceDaily, 11 February 2011. <www.sciencedaily.com/releases/2011/02/110211095559.htm>.
Loyola University Health System. (2011, February 11). Many stroke patients not getting preventive therapy for blood clots. ScienceDaily. Retrieved September 1, 2014 from www.sciencedaily.com/releases/2011/02/110211095559.htm
Loyola University Health System. "Many stroke patients not getting preventive therapy for blood clots." ScienceDaily. www.sciencedaily.com/releases/2011/02/110211095559.htm (accessed September 1, 2014).

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