Effect of compression on blood flow in lower limb wounds

Blood flow is believed to be a key parameter in the formation and management of lower limb wounds. Patients with venous leg ulcers (VLUs) have high venous pressures, due to the partial or complete failure of calf muscle pump, which in turn disturbs the local blood flow within the lower limb. Compression has currently been the mainstay for treatment of VLUs and is thought to restore valvular competence and reduce or suppress superficial and deep venous reflux. Efficacy and assessment of compression therapy can be understood in a better way by measuring blood flow in lower limbs. Publications applicable to the effects of compression on lower limb blood flow parameters are summarised. However, they have shown varying results due to the different methodology and assessment techniques used. This article seeks to explore the methods of assessment of blood flow in the lower limb associated with wound management and compression in particular and provides suggestions for future explorations.

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