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Chronic venous leg ulcers and the role of dressings in their treatment.

About 0.5% of our population in the United Kingdom are estimated to suffer from chronic leg ulcers (1). In a study in Scotland ten patients per thousand of population were diagnosed as having this condition; one third starting before the age of fifty; the average length of time that ulcers persisted being fourteen years, with 3-4 episodes of ulceration. In the Bristol area there are approximately ten cases treated in each Health Centre; this being a prevalence rather than an incidence, which is more dif-