Kim Jino, Ko Yong-Uk, Yi Kyu-Ho
New Hair Plastic Surgery Clinic, Seoul, South Korea.
Division in Anatomy and Developmental Biology, Department of Oral Biology, Human Identification Research Institute, BK21 FOUR Project, Yonsei University College of Dentistry, Seoul, South Korea.
J Cosmet Dermatol. 2024 Dec;23(12):4202-4207. doi: 10.1111/jocd.16537. Epub 2024 Aug 16.
Achieving successful outcomes in hair transplant surgery involves various critical factors, including donor area harvesting, graft survival, and minimizing post-operative complications. This study investigates the differences in grafts obtained using the rotary and oscillatory punch methods during follicular unit extraction (FUE) surgery.
The study involved 15 patients undergoing FUE. Four 4 × 6 cm areas in two rows were selected for each patient, with each row utilizing a different punch method (rotary or oscillatory). The grafts were extracted and examined under a microscope, classified into single, double single, double, and triple categories. The total yield rate and average number of hairs per graft were measured and compared.
The average number of hair follicles per graft was 2.029 for the rotary method and 2.084 for the oscillatory method, indicating no statistically significant difference. However, the total yield rate was 88.3% for the rotary group and 90.5% for the oscillatory group, with the difference being statistically significant. In selected cases with soft scalps or deeper punch requirements, the oscillatory method showed significantly better results, with an average of 2.078 hairs per graft compared to 1.836 for the rotary method. The total yield rate in these cases was 91% for oscillatory and 86% for rotary.
While the overall differences between rotary and oscillatory punches are minimal, the oscillatory punch is significantly more effective in cases with soft scalps or deeper punch requirements. Adhering to a structured guideline before extraction can help reduce the transection rate and increase the number of hairs per graft.
毛发移植手术取得成功的结果涉及多种关键因素，包括供体区采集、移植物存活以及将术后并发症降至最低。本研究调查了在毛囊单位提取（FUE）手术中使用旋转打孔法和振荡打孔法获取的移植物之间的差异。
该研究纳入了15例接受FUE的患者。为每位患者选择两排4×6厘米的区域，每排使用不同的打孔方法（旋转或振荡）。提取移植物并在显微镜下检查，分为单根、双单根、双根和三根类别。测量并比较总提取率和每个移植物的平均毛发数量。
旋转法每个移植物的平均毛囊数量为2.029，振荡法为2.084，表明无统计学显著差异。然而，旋转组的总提取率为88.3%，振荡组为90.5%，差异具有统计学意义。在头皮较软或打孔要求较深的特定病例中，振荡法显示出明显更好的结果，每个移植物平均有2.078根毛发，而旋转法为1.836根。这些病例中振荡法的总提取率为91%，旋转法为86%。
虽然旋转打孔法和振荡打孔法之间的总体差异很小，但振荡打孔法在头皮较软或打孔要求较深的病例中明显更有效。在提取前遵循结构化指南有助于降低横断率并增加每个移植物的毛发数量。
