March 2025 in “Pain Physician” This retrospective study found that applying local skin precooling before scalp nerve block significantly reduced injection site pain during PRP mesotherapy for patients with androgenetic alopecia, compared to those who did not receive precooling, thus improving patient comfort and compliance.
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September 2017 in “Dermatologic Surgery” The cephalic approach for nerve blocks is less painful than the anterior approach during hair restoration surgery.
March 2024 in “Asian journal of medical sciences” In this study, researchers found that a ring block technique was the most accepted anesthesia modality for platelet-rich plasma injections in hair loss treatment, with the least post-procedural pain compared to other methods like vibration anesthesia and nerve blocks.
October 2022 in “Hair Transplantation” This source emphasizes the importance of understanding scalp anatomy for surgeons performing aesthetic and reconstructive procedures, as such knowledge aids in planning, predicting challenges, and avoiding complications during surgery.
April 2024 in “Asian Journal of Medical Sciences” This study found that ring block anesthesia was the most acceptable method for reducing pain during platelet-rich plasma injections for hair loss.