(b)(4).
Further information from the reporter regarding event, product, or patient details has been requested.
No additional information is available at this time.
The events of purple, livedo, occlusion, ecchymosis, hyperemia, blister, lesions, pain, and crusts are physiological complications and analysis of the device generally does not assist allergan in determining a probable cause for these events.
Device labeling: contra-indications do not inject into the blood vessels (intravascular).
Intravascular injection may lead to embolisation, occlusion of the vessels, ischaemia or infarction.
Undesirable effects the patients must be informed that there are potential side effects associated with implantation of this product, which may occur immediately or may be delayed.
These include but are not limited to: inflammatory reactions (redness, oedema, erythema, etc.
) which may be associated with itching and/or pain on pressure and/or paraesthesia, occurring after the injection.
These reactions may last for a week.
Haematomas.
Staining or discolouration of the injection site might be observed, especially when ha dermal filler is injected too superficially and/or in thin skin (tyndall effect).
Rare but serious adverse events associated with intravascular injection of dermal fillers in the face and tissue compression have been reported and include temporary or permanent vision impairment, blindness, cerebral ischaemia or cerebral haemorrhage, leading to stroke, skin necrosis and damage to underlying structures.
Immediately stop the injection if a patient exhibits any of the following symptoms, including changes in the vision, signs of stroke, blanching of the skin or unusual pain during or shortly after the procedure.
Patients should receive prompt medical attention and possibly evaluation by an appropriate medical practitioner specialist should an intravascular injection occur.
Abscesses, granuloma and immediate or delayed hypersensitivity after hyaluronic acid and/or lidocaine injections have also been reported.
It is therefore advisable to take these potential risks into account.
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Healthcare professional reported that a patient was injected in the nasogenian groove with juvéderm ultra plus¿ on each side.
The injecting site turned purple and healthcare professional thought the patient had either ecchymosis or an occlusion as the injected area, extending to the nasal region, had the appearance of livedo, hyperemia, blister/ crusts, and ecchymosis.
The patient also experienced pain upon palpation.
Treatment with hyaluronidase was given within 2 days of the injection and improvements were noticed with the lesions and pain.
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