Pharmaco-vigilance comment: although limited information is available, the serious expected event of vascular occlusion was considered possibly related to the treatment.Serious criteria include the need for medical intervention.The likely root cause for the reported event is the user error of intravascular filler injection leading to vascular occlusion.The case meets the criteria for expedited reporting to the regulatory authorities.Engineering evaluation: the information in this single case does not suggest involvement of a nonconforming product or quality problem and will not initiate a corrective, or preventive action.Manufacturer narrative: lot number was not reported.
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Case reference number (b)(4) is a spontaneous report sent on 11-nov-2020 by a physician which refers to a patient of an unknown age and gender.No information about medical history, concomitant medication, history of allergies, or previous filler treatments has been provided.On an unknown date, the patient received treatment with restylane nos (unknown amount, lot number, injection technique and needle type) at the face for temporal filling.6 hours later, on an unknown date, the patient experienced alteration, temporal vein obstruction (vascular occlusion).On an unknown date, 48 hours after the procedure, the patient sought for medical assistance and started unspecified treatment for the event.On an unknown date, as corrective treatment, the patient underwent to carboxy-therapy.Outcome at the time of the report: alteration, temporal vein obstruction was unknown.
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