Intermittent pneumatic compression devices (IPCDs) and active ankle exercises have been shown to be efficacious in preventing venous thromboembolism (VTE) by increasing venous flow velocity and volume. However, IPCDs are expensive and require electricity; therefore, they cannot be used in the event of power loss. We developed a non-powered device that provides lower leg intermittent pneumatic compression synchronized with AAEs (LISA) and compared its efficacy with AAEs alone in increasing the peak velocity in the femoral vein.
Methods
The study population consisted of 20 healthy younger men and 20 healthy older men who performed AAE every 2 s in a sitting posture under four conditions: AAE with LISA (AAE+LISA), AAE alone (AAE), AAE with IPCD, and AAE with a graduated compression stocking.
Results
The PVs under all conditions were significantly higher than those at rest. The PVs in the AAE+LISA condition were significantly higher than those in the AAE alone condition in both younger and older groups (both p < .001).
Conclusions
AAE with LISA significantly increased the PV, suggesting that LISA might be useful for preventing DVT.
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