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Microcurrent application as analgesic treatment in venous ulcers: a pilot study
Korelo RIG, Valderramas S, Ternoski B, Medeiros DS, Andres LF, Adolph SMM
Revista Latino-Americana de Enfermagem [Latin American Journal of Nursing] 2012 Jul-Aug;20(4):753-760
clinical trial
6/10 [Eligibility criteria: No; Random allocation: Yes; Concealed allocation: No; Baseline comparability: Yes; Blind subjects: No; Blind therapists: No; Blind assessors: Yes; 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*

This study aimed to evaluate the effect of microcurrent electrical stimulation on pain and area of venous ulcers. In a pilot study for a single-blind controlled clinical trial, carried out at an outpatient clinic during four weeks, 14 subjects with venous ulcers (mean age 62 +/- 9 years) were divided in two groups: microcurrent (n = 8) and control group (n = 6). Pain (by visual analogue scale) and the ulcer area were measured by planimetry. There was a significant difference between the two groups with respect to pain (microcurrent group from 8.5 (6.5 to 9.75) to 3.5 (1 to 4.75) and control group from 7.5 (5.75 to 10) to 8.5 (5.5 to 10); p < 0.01). Non-significant changes were found with respect to ulcer area (planimetry by graph paper, p = 0.41 and by image-j, p = 0.41). In conclusion, the application of microcurrent improves the pain of patients with venous ulcers (ClinicalTrials.gov NCT01372020).

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