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A study of the Unna boot compared with the elastic bandage in venous ulcers: a randomized clinical trial
de Abreu AM, de Oliveira BGRB
Revista Latino-Americana de Enfermagem [Latin American Journal of Nursing] 2015 Jul-Aug;23(4):571-577
clinical trial
4/10 [Eligibility criteria: Yes; Random allocation: Yes; Concealed allocation: No; Baseline comparability: No; Blind subjects: No; Blind therapists: No; Blind assessors: No; Adequate follow-up: Yes; Intention-to-treat analysis: No; Between-group comparisons: Yes; Point estimates and variability: Yes. Note: Eligibility criteria item does not contribute to total score] *This score has been confirmed*

OBJECTIVE: To analyze the process of tissue repair in patients with venous ulcers using inelastic compression therapy (the Unna boot), in comparison with the use of the elastic bandage. METHOD: A controlled randomized clinical trial in which the patients (n = 18) were allocated to two groups, those who used the Unna boot (group B) and those who used the elastic bandage (group A). The study's follow-up period was 13 weeks. RESULTS: A significant reduction took place, at the level of 5%, in the area, in square centimeters, of the ulcers of group B (p < 0.0001) throughout the treatment, and there was a tendency of group A for reduction in the area of the ulcer, in centimeters squared (p = 0.06), only after the fifth week. CONCLUSION: The treatment with the Unna boot presented better results in venous ulcers with areas over 10 cm2, and the elastic bandage with Petrolatum gauze in venous ulcers below 10 cm2. BRAZILIAN CLINICAL TRIALS REGISTER: Trial (req 195) and WHO UTN U1111-1122-5489.

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