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Helping to Treat and Prevent Circulatory Conditions

Venous insufficiency is a condition in which the veins have problems sending deoxygenated blood from the extremities back to the heart. Inadequate blood flow increases hydrostatic pressure within the venous system, leading to the failure of the venous valves which act to stop negative blood flow and the onset of venous stasis, when a large volume of blood accumulates in the lower extremities.

If this increased hydrostatic pressure is not treated, it leads to Chronic Venous Disease (Browse NL, 1982). Table 1 provides an indication of the common conditions associated with venous insufficiencies and the prevalence of Chronic Venous Disease (CVD).

CVD Condition Prevalence of Condition

Varicose Veins

50% of people aged 50 and older (Radiology 2009 )

Oedema & eczema

3% -11% of the population (AHA 2000)

Venous ulcers

0.3% of the adult population (AHA 2000)

Deep Vein Thrombosis (DVT)

1 in 1000 persons per year (Turpie 2010)
3-10% of all air travelers(Maurice McKeown 2003)
1 in 1000 pregnant women (DVTAC 2009)
20% of patients having major surgery (Royal Adelaide Hospital 2008)
2.8% - 4.4% of all age-groups worldwide (WHO 2004)

Research shows that venous insufficiency and hydrostatic pressure within the venous system can be prevented safely with the application of external compression (Roake, 2007). Compression therapy is a recommended treatment for CVD conditions by the World Health Organisation (WHO), the National Health Service (NHS) in the UK, and the Ministry of Health in New Zealand (MoH).