Deep Vein Thrombosis Research Today is a free monthly online journal that collates and summarizes the latest research about Deep Vein Thrombosis, including details on dvt, prevention, effects, causes, air travel, blood clots. | ||||||||
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Blood flow velocity of the femoral vein with foot exercise compared to pneumatic foot compression.Yamashita K, Yokoyama T, Kitaoka N, Nishiyama T, Manabe M Department of Anesthesiology and Critical Care Medicine, Kochi Medical School, Kochi 783-8505, Japan. koichiya@kochi-ms.ac.jp STUDY OBJECTIVE: To compare the effects of foot exercise with an intermittent pneumatic foot compression (IPC) device on blood flow velocity of the femoral veins. DESIGN: Prospective, controlled study. SETTING: General intensive care unit of a university hospital. PATIENTS: 20 patients on bed rest in the intensive care unit. INTERVENTIONS: Patients were divided into 2 groups: group A, foot exercise (n = 10); and group B, IPC device (n = 10). The foot exercise was done once by a nurse for 5 minutes with the dorsiflexion of the ankle (15 times per minute) in group A patients. The IPC device (A-V Impulse System, compression setting: 130 mm Hg for 3 seconds followed by a resting period of 60 seconds) was used for 2 hours in group B. MEASUREMENTS: Peak blood flow velocity of the femoral vein was measured using the ultrasound unit with a 7.5-MHz linear array probe (ALOKA SSD-5500) at 0, 5, 15, 30, 60, and 120 minutes. MAIN RESULTS: Peak blood flow velocities in both groups increased significantly vs the control values during the study. At 5 minutes, group A showed a significant increase in the peak blood flow velocity compared with group B. CONCLUSIONS: Foot exercise by a nurse for 5 minutes was equally or more effective compared with the IPC device in increasing peak blood flow velocity of the femoral vein. The effect of the 5-minute foot exercise lasted for 2 hours. Published 5 April 2005 in J Clin Anesth, 17(2): 102-5.
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