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BACKGROUND: Injection of filler materials into the dermis is well tolerated, with few mild and transient side effects. Injection necrosis is a rare but clinically important potential complication caused by interruption of the vascular supply to the area by compression, injury, and/or obstruction of the vessel(s). The glabella is a particular danger zone for injection necrosis regardless of the type of filler used. OBJECTIVE: We recommend a protocol that may be used to help prevent and treat injection necrosis of the glabella after injection with dermal fillers. CONCLUSION: Injection necrosis in the glabellar region may be prevented by knowledge of the local anatomy and an understanding of its pathophysiology and treated by a suggested protocol.
Glaich et al. (Wed,) studied this question.