植皮区单株毛发移植修复眉毛缺损的观察

目的：观察单株毛发移植在植皮区的存活情况及再造眉毛的效果。方法：选择植皮区皮下软组织的厚度在3mm以上的患者，在枕后毛发安全供区（SDA）内局麻下切取一条带毛发的完整头皮。助手利用刀具分离出单株毛发，种植区肿胀麻醉后，术者用注射器针具按眉毛生长方向在植皮区上打孔，15～25孔／cm^2，将单株毛发种植于毛发缺损区。结果：2007～2009年间4例眉区植皮患者6只眉毛通过本方法治疗，术后随访9个月～2年，4只眉毛一次手术效果满意，2只眉毛需二次加密。所有毛发存活良好，毛发单次种植存活率接近90％，眉毛形态自然、美观。结论：在植皮区皮下软组织厚度3mm以上，密度15～25孔／cm^2的情况下，单株毛发移植在植皮区上的存活率接近90％，再造眉毛形态自然、美观。近似于真实眉毛效果。

Reconstruction of the eyebrow in dermatoplastic area with single hair grafts

Objective To investigate the survival rate and effectiveness of the eyebrow reconstruction in dermatoplastic area by transplanting the single hair grafts. Methods We choosed patients with hypodermic thickness of the dermatoplastic area over 3mm,and cut a designed scalp strip from SDA （safe donor area）in the occipital region under the local anesthesia.The assistant used the tooting to separate the single hair grafts.The operator stinged holes in dermatoplastic area where the eyebrow was lack with syringe needles in a density of 15N25/cm^2 and then planted the single hair grafts into the designed hole. Results Six eyebrows in four patients underwent the reconstruction through this method between 2007 N2009 and were followed up postoperatively for 9 -24 months,the four of them were satisfy with one session operation,the others were satisfy with two. Conclusion The survival rate of single hair grafs was reach to 90% under the circumstance that hypodermic thickness of the dermatoplastic area is over 3mm and the density of the grafted hairs is between 15-25/cm^2. The transplanted hairs took in relatively natural directions and the appearance of the reconstructed eyebrows was more natural,close to the normal eyebrow.