Static Langer's line and wound contraction rates according to anatomical regions in a porcine model
- Author(s)
- Minho Kwak; Daegu Son; Junhyung Kim; Kihwan Han
- Keimyung Author(s)
- Son, Dae Gu; Kim, Jun Hyung; Han, Ki Hwan
- Department
- Dept. of Plastic Surgery (성형외과학)
- Journal Title
- Wound Repair and Regeneration
- Issued Date
- 2014
- Volume
- 22
- Issue
- 5
- Abstract
- This study investigated wound contraction rates according to anatomical regions and
wound morphology according to skin tension line in a micropig porcine model. Of
the four animals used, skin tension morphology was determined in one pig. In the
remaining three pigs, six pairs of full-thickness skin excisions were created on the
dorsum (six square and six circular). The wounds were grouped,Wounds #1 through
#5, according to the skin tension line and anatomical regions: Wounds #1 and #2,
cephalic; Wounds #4 and #5, caudal; and Wound #3, center. Wound sizes and
contraction rates were calculated for 28 days. A static tension topography of the
micropig dorsum was obtained. Excisional wounds deformed along the local tension
vector and healed in this fashion. Wound contraction rates were significantly higher
for cephalic wounds (p = 0.004). No significant difference in wound contraction rates
were observed between square and circular wounds. Final wound morphology was
related to the local tension vector and initial wound shape. Cephalic wounds contracted
more quickly. Further studies are needed to characterize scar formation after
primarily closed surgical wounds in relation to the newly established skin tension
topography and to elucidate the mechanism behind the variable wound contraction
rates in the cephalocaudal gradient.
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