New findings show that cosmetic fillers can sometimes block facial arteries, cutting off blood flow and leading to skin damage, tissue death and even blindness. Ultrasound scans from 100 complication cases revealed that many blockages occurred near major blood vessels — especially around the nose, where arteries connect directly to deeper areas of the face. The results highlight a serious and often under-recognized risk associated with filler injections.
The analysis found that nearly half of the patients had lost blood flow through small connecting vessels, while one-third had blockages in major arteries. These events occur when filler is accidentally injected into, or too close to, a blood vessel, stopping circulation. Without fast, targeted treatment, the surrounding skin can die, causing permanent deformities. Experts now stress that using ultrasound before injecting may help practitioners avoid these critical arteries.
Ultrasound can also guide emergency treatment if complications happen. Instead of injecting dissolving agents blindly, clinicians can locate the exact blockage and treat only that spot, using less medication and improving recovery. As cosmetic demand continues to grow, the findings underscore the need for stronger safety standards and ensuring that only well-trained professionals perform high-risk aesthetic injections.
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