Identificador persistente para citar o vincular este elemento: http://hdl.handle.net/10553/42072
Título: Hair follicle–containing punch grafts accelerate chronic ulcer healing: A randomized controlled trial
Autores/as: Martínez, María Luisa
Escario Travesedo, Eduardo
Poblet, Enrique
Sánchez, David
Buchón, Fernando-Francisco
Izeta, Ander
Jimenez, Francisco 
Clasificación UNESCO: 320106 Dermatología
Palabras clave: Follicular unit
Hair follicle stem cells
Hair transplantation
Punch grafting
Skin grafting, et al.
Fecha de publicación: 2016
Publicación seriada: Journal of the American Academy of Dermatology 
Resumen: Background A prominent role of hair follicle–derived cells in epidermal wound closure is now well established but clinical translation of basic research findings is scarce. Although skin punch grafts have been used as a therapeutic intervention to improve healing of chronic leg ulcers, they are normally harvested from nonhairy areas, thus not taking advantage of the reported role of the hair follicle as a wound-healing promoter. Objective We sought to substantiate the role of hair follicles in venous leg ulcer healing by transplanting hair follicle–containing versus nonhairy punch grafts. Methods This was a randomized controlled trial with intraindividual comparison of hair follicle scalp grafts and nonhairy skin grafts transplanted in parallel into 2 halves of the same ulcer. Results Ulcer healing measured as the average percentage reduction 18 weeks postintervention was significantly increased (P = .002) in the hair follicle group with a 75.15% (SD 23.03) ulcer area reduction compared with 33.07% (SD 46.17) in the control group (nonhairy grafts). Limitations Sample size was small (n = 12). Conclusion Autologous transplantation of terminal hair follicles by scalp punch grafts induces better healing than punch grafts harvested from nonhairy areas. Hair punch grafting is a minimally invasive surgical procedure that appears to be effective as a therapeutic tool for chronic venous leg ulcers.
URI: http://hdl.handle.net/10553/42072
ISSN: 0190-9622
DOI: 10.1016/j.jaad.2016.02.1161
Fuente: Journal of the American Academy of Dermatology [ISSN 0190-9622], v. 75 (5), p. 1007-1014
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