According to the received investigation, this case seems to be a vascular compromise following the injection of the product, which is a well-known adverse reaction due to an accidental injection in or near a vessel, triggering its compression or occlusion.Batch analyses undertaken confirms that the product passed sterility and quality compliance tests, therefore the imputability of the product seems dismissed.Vascular compromises are serious adverse events that are well known and well-documented related to the injection of hyaluronic acid fillers.They are linked to an accidental injection in, or next to a vessel, triggering its compression or occlusion.If treated on time with an appropriate treatment, symptoms can be fully resolved, without sequelae.If not, they can worsen and develop into skin necrosis.Additionally, the risk of such adverse event is also mentioned in the instructions for use of our products.Literature data: de boulle k, heydenrych i.Patient factors influencing dermal filler complications: prevention, assessment, and treatment.Clin cosmet investig dermatol.2015;8:205-14 signorini, m., et al.(2016)."global aesthetics consensus: avoidance and management of complications from hyaluronic acid fillers-evidence- and opinion-based review and consensus recommendations." plastic and reconstructive surgery 137(6):961e-971e delorenzi, c.(2014)."complications of injectable fillers, part 2: vascular complications." aesthetic surgery journal / the american society for aesthetic plastic surgery 34(4): 584-600.
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This event happened outside of the u.S., in (b)(6).According to the received information, on the same day as the use of teosyal rha 2 in the nasolabial folds, the patient presented with an intravascular occlusion.
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