Acute Stroke After Scalp Injection of Platelet-Rich Plasma and Stem Cells for Hair Loss

December 2015 in “ Journal of Neurology and Stroke ”

Aldo F Berti, Alej, ro Santillan, Pamela García-Corrochano

platelet-rich plasma stem cells alopecia areata scalp injection adipose tissue necrosis embolic strokes anterior cerebral artery middle cerebral artery supratrochlear artery ophthalmic artery PRP hair restoration stroke scalp necrosis

TLDR A man had a stroke after getting a scalp injection for hair loss.

In 2015, a 57-year-old man with a history of alopecia areata experienced an acute stroke and visual loss following a scalp injection of platelet rich plasma (PRP) and stem cells for hair restoration. The injection was administered behind the hairline in the frontal scalp. Post-procedure, the patient suffered severe headaches, transient loss of consciousness, complete loss of vision in the left eye, and right-sided hemiparesis. An MRI revealed an acute stroke involving the left anterior cerebral artery (ACA) and middle cerebral artery (MCA) territories. The patient also developed necrosis of the scalp in the territory of the left supratrochlear artery. The researchers suggested that the injected material, which included adipose tissue, might have caused embolic strokes due to reverse flow into the left supratrochlear artery, leading to occlusion of the left ophthalmic artery and migration into the left ACA and MCA territories.

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