Neurology, Vol 50, Issue 6 1683-1688, Copyright © 1998 by American Academy of Neurology

ARTICLES

Pneumatic sequential compression reduces the risk of deep vein thrombosis in stroke patients

SI Kamran, D Downey and RL Ruff
Cleveland Department of Veterans Affairs Medical Center, Department of Neurology, Case Western Reserve University, OH 44106, USA.

OBJECTIVE: To determine if pneumatic sequential compression devices (SCDs) combined with subcutaneous heparin and antiembolic hose reduce the risk of deep vein thrombosis (DVT) and pulmonary embolism (PE) in stroke patients. BACKGROUND: DVTs and PEs are serious complications among hospitalized stroke patients. Subcutaneous heparin and SCDs have both been used to prevent DVT. It is not known if SCDs combined with subcutaneous heparin can improve the protection afforded by heparin alone. METHODS: The study group was comprised of nonhemorrhagic stroke patients admitted to the neurology service from October 1988 through June 1996. From October 1988 through April 1991 (233 patients), and during February 1993 (16 patients), patients received 5,000 U subcutaneous heparin twice daily and antiembolic hose. From June 1991 through January 1993 and from March 1993 through June 1996 (432 patients) all nonambulatory stroke patients had SCDs applied to both legs in addition to subcutaneous heparin and antiembolic hose. RESULTS: Twenty-three of 249 patients (9.2%; 21 of 233 and two of 16 patients) treated with heparin alone developed DVT and six patients (2.4%) developed PE (six of 233 and zero of 16). Half the PE cases (three of six) were fatal and all PEs were in patients with DVT. Eighty-three of the 249 patients were nonambulatory. Twenty-two of the 23 DVTs and all the PEs developed in nonambulatory patients. Only one DVT (0.23%) and no PEs occurred among the 432 patients (148 nonambulatory) treated with SCDs as well as heparin. The addition of SCDs resulted in more than a 40-fold reduction in the risk of DVT. CONCLUSIONS: Nonambulatory stroke patients have an increased risk for DVT and PE. Adding SCDs to treatment with subcutaneous heparin and antiembolic hose reduced the risks of DVTs and PEs. SCDs should be considered for adjunctive DVT prophylaxis in nonambulatory stroke patients.

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