Split-Wound Comparison of Trichophytic Closure for
Donor Site in Hair Transplantation
Rattapon Thuangtong MD*,
Supenya Varothai MD*, Daranporn Triwongwaranat MD*,
Kamolwan Pongparit MD*, Chuda Rujitharanawong MD*
Affiliation :
* Department of Dermatology, Faculty of Medicine Siriraj Hospital, Mahidol University, Bangkok, Thailand
Background : Trichophytic closure is acceptable to provide a better cosmetic camouflage of the scar in strip harvesting
technique for hair transplantation. However, the recommended trimming site of wound had never been defied.
Objective : To demonstrate the trimming site of trichophytic closure that achieved the best cosmetic outcomes
Material and Method: Ten male patients whom were performed strip harvesting technique participated in the clinical trial.
Trichophytic closure was performed during wound closure. The donor site wound was divided into three segments and
applied three different trimming sites including upper, lower, and both edges to each segment of wound. The outcomes,
including regrowth hair density, scar width, dermatologist’s and patient’s satisfaction, were evaluated one, three and six
months postoperative.
Results : Among the three different trimming sites, both of clinical outcome and satisfaction were not significantly different,
(p-value >0.05). Additionally, the difference in improvement of scar was not detected among the three trimming sites,
(p-value >0.05).
Conclusion : The three different trimming sites of trichophytic closure were performed and had the same outcomes. Therefore,
surgeons can design the suitable wound closure in each patient for the best cosmetic appearance by ignoring the trimming site
problem.
Keywords : Trichophytic closure, Hair transplantation, Split-wound comparison
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