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's analyses undertaken confirm that the products passed sterility and quality compliance tests, therefore the imputability of the products 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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The present incident happened outside of the united states, in (b)(6).According to the received information, on (b)(6) 2020 the patient was injected with teosyal rha 2 in the forehead center.On (b)(6) 2020 the patient presented, according the injector, redness and hematoma in the injected area.A medical expert was consulted in order to assess the situation, and diagnosed an embolisation of the injected area.According to the received information, the medical expert treated the symptoms with injection of hylase and a local antibiotic cream according to the latest received information, the symptoms are being solved, the medical expert mention that there could stay a minimal necrosis.
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