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Moxibustion promoted wound healing in rats with full-thickness cutaneous wounds / 针刺研究
Acupuncture Research ; (6): 288-292, 2019.
Article in Chinese | WPRIM | ID: wpr-844326
ABSTRACT

OBJECTIVE:

To explore the effects of moxibustion intervention on wound healing in rats with full-thickness cutaneous wounds.

METHODS:

A total of 28 adult SD male rats were randomly assigned to model group and moxibustion group (n=14 in each one). The skin wound model was established by removal of a piece of full-thickness skin from the median line of the rats' back (about 2 cm below the shoulder blade). Moxibustion intervention was applied to the surrounding area of the focus for 25 min, once daily for 6 days. The wound healing was observed and photographed after each moxibustion intervention. The wound tissues were harvested after transcardiac perfusion with 4% paraformaldehyde solution on the 2nd and 7thday after modeling, and stained with H.E. and Masson methods for displaying histopathological changes and collagen fiber growth status, respectively.

RESULTS:

After modeling, the cutaneous wound was healed gradually in both groups, and the wound area was significantly smaller from the 2nd day to the 5th day in the moxibustion group than in the model group (P<0.01, P<0.05). Correspondingly, the wound closure area was significantly bigger from the 2nd to the 5th day in the moxibustion group than in the model group (P<0.01). H.E. and Masson staining showed that the number of the inflammatory cells (monocytes, macrophages, neutrophile, etc.) and the collagen fiber area in the local wound tissue of the moxibustion group were significantly bigger than those of the model group on the 2nd day after intervention (P<0.01). After 6 sessions of moxibustion intervention, the number of fibroblasts and collagen fibers in the moxibustion group were obviously increased than that in the model group, characterized by closer arrangement of fibroblasts and collagen fibers, more and larger of the new-born blood vessels, and thicker of the scab in the wound area.

CONCLUSION:

Moxibustion can promote the wound healing by enhancing the growth of collagen fibers and cell proliferation in the traumatic cutaneous area in full-thickness cutaneous wound rats.

Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acupuncture Research Year: 2019 Type: Article

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Full text: Available Index: WPRIM (Western Pacific) Language: Chinese Journal: Acupuncture Research Year: 2019 Type: Article