February 2024 in “Curēus” In this study, researchers found that using regional nerve blocks (STN and SON blocks) for anesthesia in platelet-rich plasma treatment for hair regrowth resulted in significantly less pain and better analgesia compared to the more common ring block technique.
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.
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June 2019 in “Plastic & Reconstructive Surgery Global Open” This study reviewed the outcomes of a limited incision lateral brow lift technique, reporting that the procedure safely resolved lateral brow hooding with a low revision rate in 150 patients, and observed no permanent nerve injuries.
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.
December 2023 in “Facial Plastic Surgery” This research outlined techniques for local anesthesia in follicular unit excision hair transplantation, highlighting that using ring blocks can significantly reduce pain and enhance patient comfort, making it the preferred method over nerve blocks unless ring blocks are insufficient.