December 2015 in “Journal of Neurology and Stroke” A man had a stroke after getting a scalp injection for hair loss.
4 citations
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August 2008 in “Plastic & Reconstructive Surgery” The flap effectively sealed leaks and served as a barrier, with minor complications, for anterior skull base surgery.
March 2025 in “Journal of Cosmetic Dermatology” Botulinum toxin type A may widen certain arteries, but more research is needed.
6 citations
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July 2018 in “JAMA facial plastic surgery” Injecting minced fat into the facial artery can cause severe eye problems and death, more so than other fat types, and larger amounts increase these risks.
June 2026 in “Journal of Cutaneous and Aesthetic Surgery” Recipient site scalp necrosis in hair transplantation is linked to microvascular injury and regional vascular vulnerability, especially in the frontal and mid-scalp areas.