Thrombogenicity of Hyaluronic Acid Fillers: A Quantitative Thrombodynamics Study.
2021
PURPOSE At present, there is a paucity of data regarding the thrombogenicity of hyaluronic acid fillers (HAFs). This article quantitatively analyses the thrombogenicity of 2 commonly used HAFs: Restylane Lyft and Juvederm Ultra. METHODS Thrombogenicity was assessed using the Thrombodynamics Analyzer System and plasma obtained from healthy controls. Following the addition of HAFs or control, spontaneous clot formation time, initial rate of clot growth, average rate of clot growth over 30 minutes, and clot size at 30 minutes was measured for each sample. The median of differences between each group were analyzed. RESULTS Nine individuals with a mean (SD) age of 37 (17) years, participated in the study. Initial rate of clot growth was significantly lower in plasma mixed with Juvederm compared to control (p = 0.008) or Restylane (p = 0.038). The average rate of clot growth more than 30 minutes was significantly lower in both HAF groups (Restylane vs. control p = 0.038; Juvederm vs. control p = 0.008), there was no significant difference between HAF groups (p = 0.635). Final clot size was significantly smaller with Juvederm (p = 0.038 vs. control and p = 0.013 vs. Restylane). Spontaneous clot formation time did not significantly change with the addition of either HAF. CONCLUSIONS Juvederm significantly reduces the initial rate of clot growth, the average rate of clot growth more than 30 minutes, and clot size, whereas the addition of Restylane decreases the average rate of clot growth without affecting overall clot size in healthy individuals.
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