J Med Assoc Thai 2000; 83 (4):417

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Therapeutic Effects of Aloe vera on Cutaneous Microcirculation and Wound Healing in Second Degree Burn Model in Rats
Somboonwong J Mail, Thanamittramanee S , Jariyapongskul A , Patumraj S

Objective : To demonstrate the microcirculatory and wound healing effects of
Aloe
rem
on induced second degree burn wounds in rats.
Method : A total of 48 male Wistar rats were equally divided into 4 groups as follows :
sham controls, untreated burn-wound rats, those treated with once-daily application of normal
saline (NSS) and those treated with once-daily application of lyophilized
Aloe vera
gel. The
animals in each group were equally subdivided into 2 subgroups for the study of cutaneous micro-
circulation and wound healing on day 7 and 14 after burn. Dorsal skinfold chamber preparation
and intravital fluorescence microscopic technique were performed to examine demwl microvas-
cular changes, including arteriolar diameter, postcapillary venular permeability and leukocyte
adhesion on postcapillary venules.
Results : On day 7, the vasodilation and increased postcapillary venular permeability as
encountered in the untreated burn were found to be reduced significantly (p

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