Histological effects of He-Ne laser on the healing of experimental colon anastomoses in the rat
1990
Despite technical advances, the incidence of
anastomotic leaks in elective colorectal surgery remains
around 14%,
Recent studies suggest that the use of low energy
lasers may enhance wound healing in different tissues in
a selective, nondestructive manner.
Based on these findings we have attempted to provide
experimental background on the histological effects of
He-Ne laser during the early stages of healing in 70
colonic anastornoses performed on rats,
The irradiation of the anastomoses by two doses of
3.6 J/cm produces an increase in the populations of
round cells and fibroblasts of the scar tissue, an
increase in new vessel formation and a significant
improvement in epithelialization. This suggests that the
irradiation of colonic wounds with He-Ne lasers can
result in an enhancement of healing.
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