What Researchers Did
Researchers conducted a systematic review and retrospective analysis of 55 cases of ischaemic strokes following facial dermal filler injections over the past three decades to characterize their clinical features and outcomes.
What They Found
Analyzing 55 cases, researchers found that most patients were women (89%) with a median age of 32, and injections frequently occurred at the glabella (32%) or temples (23%). Over half (53%) experienced ocular symptoms, and only 40% achieved good functional recovery. Strokes from autologous fat were more severe, leading to larger infarcts (93% vs 24%) and worse non-ambulatory outcomes (44% vs 73%).
What This Means for Canadian Patients
Canadian patients considering facial dermal filler injections should be aware of the potential for severe complications like ischaemic stroke, which can lead to significant long-term disability. The type of filler, especially autologous fat, appears to influence stroke severity and recovery outcomes.
Canadian Relevance
This systematic review does not include any specific Canadian data or studies.
Study Limitations
The study's findings are limited by the retrospective nature and potential heterogeneity and reporting biases inherent in a systematic review of case reports over three decades.