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- Presentation
FUE Donor Evaluation and Math - Paul T. Rose, MD
Description
In this discussion, Dr. Paul T. Rose addresses the evaluation and mathematical considerations vital in Follicular Unit Extraction (FUE) for hair transplantation. He emphasizes the importance of setting realistic expectations for patients regarding hair restoration outcomes. Dr. Rose discusses the evaluation process, which includes assessing the patient's medical and family history, hair characteristics, and the so-called 'safe zone'—areas of the scalp where hair will likely remain over time. He cautions that hair loss is progressive and that providers must consider future hair loss trends, especially when treating younger patients. The talk also covers the practical numbers behind donor areas, with estimates for the number of grafts possible and the implications of harvesting too many follicles, which can lead to visible thinning in short hairstyles. Dr. Rose warns against the myth that up to 50% of hair can be extracted without visually perceivable thinning, likening hair follicles to a brush's bristles where removing too many changes the overall appearance. He suggests methods to mitigate the effects of overharvesting, such as scalp micropigmentation or selective follicular unit extraction techniques. While he acknowledges the benefits of FUE, he advocates for incorporating both FUE and Follicular Unit Transplantation (FUT) techniques based on patient needs and conditions.
View moreConclusions
- The FUE technique is becoming popular due to its promise of leaving no visible scars, allowing patients to wear their hair short.
- Realistic expectations must be set with patients to avoid disappointment after hair transplant procedures.
- The concept of a 'safe zone' is critical in hair transplantation to ensure ongoing hair growth and prevent future dissatisfaction due to hair loss progression.
- Careful evaluation of the donor area is essential, as the amount of harvestable grafts can vary significantly based on hair characteristics and density.
- Follow-up sessions can reduce the number of quality grafts available, potentially creating visible voids in the donor area post-harvest.
- Visible results of FUE may not fulfill the aesthetic promises if too much hair is harvested, leading to hypopigmented and larger scars that can be noticeable.
- Clinicians must be cautious with patients who have low-density or fine hair, especially if they intend to maintain shorter hairstyles.
- Decision on when to stop harvesting grafts is personalized and should consider each patient's hair characteristics and future hair loss risk.
- The application of the 50% rule from traditional hair plucking is not appropriate for FUE due to differences in how hair units are extracted.
- Techniques such as scalp micro pigmentation can help mitigate the visual impact of over-harvesting.
- Unger/Alt, 165 sq cm
- Cole, 200 sq cm
- Rose, personalized metrics for donor area evaluation
- Dr. Emanuel Marritt, 50% rule in hair density assessment
- Dr. Ruston, partial transections approach