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.Batchs' 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 sequalae.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 u.S., in (b)(6).According to the received information, after the injection of teosyal rha 4 in the naso-labial folds, the patient presented with a severe adverse reaction.The treatment was 17th of february.The day after the patient complained a really severe pain to the nose.The doctor immediately visited her and detected severe monolateral erythema, redness and oedema.Following this initial assessment, a medical expert was consulted in order to assess the situation, and diagnosed a vascular compromise of the injected areas.According to the received information, the injector prescribed antibiotics, cortisone and aspirin.A medical expert was also consulted in order to provide treatment advices.His advices included immediate highdose hyaluronidase (1500ui) in the naso-labial fold and the nose, as well as local disinfection.This was done by the injector following those advices.Additional treatment advices includes led/pulsating light treatment as well as laser sessions to treat the remaining symptoms.According to the latest received information, the resolution of the symptoms is total.
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