Management of vascular complications following calcium hydroxylapatite filler injections: a systemic review of cases and experimental studies
Aleksandra L. Lindgren , Kathleen M. Welsh
Plastic and Aesthetic Research ›› 2022, Vol. 9 ›› Issue (1) : 50
Aim: Dermal fillers are increasingly popular procedures. Inadvertent intraarterial injection of fillers, particularly with calcium hydroxylapatite (CaHA), can result in devastating consequences. A systemic review was performed to summarize management strategies to treat CaHA-associated vascular complications.
Methods: The methodology of this review was derived from The Preferred Reporting Items for Systematic Reviews and Meta-analyses (PRISMA). In addition, this paper presents a previously unreported case of a CaHA-associated vascular complication.
Results: There were 32 articles describing 42 cases, plus our case included in this review. There were 15 cases of vision complications, 23 cases of non-vision complications, and 5 experimental studies. The most common injection sites reported were nasal region for vision complications (45%) and nasolabial folds for non-vision complications (40%). Of the 38 human cases, the most prevalent treatment choice was steroids (24 cases, 63%). Complete or near complete improvement was reported in 83% of non-vision complications and 40% of vision complications. There was no noticeable homogeneity in the management strategies and outcomes of the patients. Of the 5 experimental studies, no clear consensus on treatments was found.
Conclusion: Vascular complications of CaHA are seemingly uncommon, but it is widely suspected that this is due to underreporting. While best management is prevention, preparation for a potential complication is equally important. Derived from CaHA literature, hyaluronic acid filler complication protocols, findings of this review, and personal experiences, this report proposes management strategies for CaHA-associated vascular complications. We hope these strategies provide a much-needed framework for injectors to refer to and utilize as needed.
Filler-associated intravascular complications / filler-associated blindness / vascular occlusion management / calcium hydroxylapatite / Radiesse
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