High-voltage galvanic stimulation on wound healing in guinea pigs: longer-term effects.

Abstract:

:The purpose of this investigation was to determine the effects of high-voltage stimulation (HVS) on wound tensile strength properties and wound closure (histology). Eighteen mature guinea pigs with full-thickness incisions were treated with HVS for 45 minutes daily for 2 weeks; 9 animals were studied after the 14 days of treatment and the remaining 9 were studied 2 weeks later. Five animals (10 wounds) served as controls at each time period. After 2 or 4 weeks, treated and untreated skin was harvested, tested to failure, and prepared for histological examination. Two-week-treated and control wounds had comparable values for peak force to failure, elongation, and energy absorbed to failure. Epithelialization was more advanced in treated animals at 14 days (p < .05). There was a trend (p = .068) toward stronger wounds in 4-week-treated animals (maximum load to failure), but not differences were observed between controls and treated groups for elongation or energy absorbed to failure. Dermal healing appeared to be more advanced in treated animals at 30 days. Although peak force to failure was almost 500g higher for treated guinea pigs after 2 weeks of treatment and more than 700g higher than controls after 4 weeks, mean data were highly variable, so the hypothesis that HVS augments wound strength could not be accepted. It is difficult, however, not to assign clinical significance to the findings.

journal_name

Arch Phys Med Rehabil

authors

Brown M,Gogia PP,Sinacore DR,Menton DN

doi

10.1016/s0003-9993(95)80122-7

subject

Has Abstract

pub_date

1995-12-01 00:00:00

pages

1134-7

issue

12

eissn

0003-9993

issn

1532-821X

pii

S0003-9993(95)80122-7

journal_volume

76

pub_type

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