A randomized trial of two occlusive dressings in the treatment of leg ulcers.

TL;DRAbstract

Two occlusive dressings--one zinc oxide medicated (Mezinc) and one hydrocolloid (Duoderm)--were compared in a prospective, randomized trial over a period of 8 weeks to determine their healing ability and effect on pain for venous and arterial leg ulcers. All patients were patch-tested before the study and colophony allergy was an exclusion criterion. Of the 43 outpatients included, 31 completed the trial and 6 patients randomized to each treatment group were withdrawn. The initial ulcer areas decreased after 8 weeks of treatment with Mezinc by 64% and by 48% after treatment with Duoderm. Ulcer pain was relieved in 50% of the patients--with a similar analgesic effect for the two dressings. Mezinc treatment was discontinued in 2 cases due to sensitization to colophony (one ingredient of Mezinc) which indicated a risk of contact allergy to colophony due to Mezinc treatment. 1103 consecutive eczema patients were patch-tested on the back with Mezinc and colophony 20% in petrolatum simultane

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