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Medicina (B Aires). 1996;56(1):41-4.

[Effect of magnetic fields on skin wound healing. Experimental study].

[Article in Spanish]

Author information

1
Facultad de Medicina, Universidad del Salvador, Buenos Aires.

Abstract

Although there are many publications on the usefulness of magneto-therapy, discrepancies exist about the utility of electromagnetic fields in skin wound healing. The objective of this work was to study the effect of electromagnetic fields on wound healing in rats. Thirty six male Wistar rats were used; a rectangular lesion was made in the back of each animal (4.2 cm x 2.3 cm). They were divided into 3 groups: group C (control) with sham treatment; group C50, treated with continuous electromagnetic fields of 5 mT (50 Gauss) and group P200, treated with pulsed electromagnetic fields of 20 mT (200 G). The treatments were of 30 minutes a day during 21 days. The corporal weights (Table 1) and the wound longitudinal and transversal maximal axis (Figures 1, 2) were weekly recorded and the data was evaluated by analysis of variance. On day 14, the P200 group showed the maximal longitudinal axis which was smaller than that of group C (p < 0.01). On day 21 in both treated groups the maximal longitudinal axis was smaller than that of group C (p < 0.01); besides the axis was smaller in the P200 group than in the C50 group (p < 0.05). No statistical differences were observed in the remaining data. The results showed a facilitating effect of electromagnetic fields on wound healing in rats. Pulsed electromagnetic fields seem to have a precocious and larger healing effect than continuous electromagnetic fields.

PMID:
8734929
[Indexed for MEDLINE]

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