Pharmacovigilance comment: the serious event of dyspnoea, and the non-serious events of hypoaesthesia, hypertensive urgency, abdominal discomfort, cough and influenza like illness were considered unexpected and related to the treatment.
Serious criteria include important medical event.
Potential etiologies include hypersensitivity reaction given the time to onset.
Alternative etiologies include community-acquired infection, guillain-barré syndrome or gbs and white coat hypertension.
Potential contributory factors for cough include asthma or laryngeal edema associated with hypersensitivity reaction or ascending paralysis from gbs.
Potential etiologies for hypoaesthesia include anxiety or gbs.
The size of the area of numbness below the throat was unclear.
The case meets the criteria for expedited reporting to the regulatory authorities.
There was limited information.
Follow-up information will be requested.
Engineering comment (capa): 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 comment: lot number was not reported.
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Case reference number (b)(4) is a spontaneous report sent on (b)(6) 2020 by a female patient, who refers to herself (unknown age).
No information about medical history, concomitant medication, history of allergies or previous filler treatments.
On an unknown date, the patient received treatment with durolane to knees (unknown lot number, amount, needle type and injection technique).
Within 15 minutes of leaving the doctor office, she experienced numbness up to her throat(pharyngeal hypoaesthesia) and could not breath(dyspnoea).
The patient returned to the office and they checked her blood pressure and it was 224/150(hypertensive urgency), which was out of the ordinary for her.
Then the patient's husband drove her to the hospital because she was having trouble breathing.
The patient also had and upset stomach(abdominal discomfort), nasty couch(cough) and flu like symptoms(influenza like illness).
Treatment for the adverse event was not reported.
Outcome at the time of the report: could not breath was unknown.
Numbness up to her throat was unknown.
Blood pressure and it was 224/150 was unknown.
Upset stomach was unknown.
Nasty couch was unknown.
Flu like symptoms was unknown.
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