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Preinjection aspiration for injectable fillers in aesthetic dermatology: Trust or bust?

In recent years, the utility of preinjection aspiration for injectable fillers as a safety checkpoint has been debated. It is a clinical technique that has become controversial in both the literature and at national aesthetic conferences. Many consensus papers and anecdotal reports have been divided on how helpful preinjection aspiration is in reducing adverse events and subsequently increasing patient safety. Here, we summarize the prominent studies in the literature and offer an evaluation and insights.