Hypersensitivity to injectable porcine collagen
Доктор Ziwei XIE
Доктор медицины, Сингапур
октябрь 14-го, 2025 10:45
Описание пациента
42 year old Chinese lady
Healthy with no medical condition. No history of food allergy or drug allergy.
Описание кейса
Came to me for management of tear trough and palpebromalar groove. However due to poor perception of hyaluronic filler, request for other injectables. Sunmax deusaderm vital , an injectable collagen gel from SPF porcine skin was offered.
She did hydrafacial followed by topical BLT cream for topical anaesthesia around the orbit.
0.2ml of 1% lidocaine was mixed into 1ml of collagen gel.
0.1ml was injected into the lateral orbital thickening using sharp needle. 25G cannula was inserted at around 1.5cm inferior to the lateral orbital rim. 0.15ml deep bolus using cannula into the intersecting point of tear trough ligament, orbital retaining ligament and zygomatic cutaneous ligament.
0.05ml was injected linear retrograde deep into the depression of tear trough. The rest was hyperdiluted 1:1 with 1% lidocaine and distributed superficial around the infraorbital area from lid margin to infra orbital rim.
Immediately I noticed unusual erythema along the cannala path as well as areas injected superficial. This has not happened in my prior 30 odd cases. I brushed it off as secondary to trauma of cannulation.
Patient called up the next day. She developed significant swelling and erythema 1 hour after procedure while she was on her was home. It worsen the next morning. She had blanchable erythema and and swelling lower eyelid, entire medial cheek, glabella and bilateral upper temple. The reaction was localised.
Photo attached are before procedure, immediately after precedure ( notice the erythema ) and 20 hours after procedure.
She was started on oral prednisolone 20mg per day and ceftrizine 10mg twice dail 4 hours ago.
Will like to ask expert about the management of localised hypersensitivity reaction to procine collagen in her case. Thanks.
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Доктор Ronald FEINER
Доктор медицины, Австралия
ноябрь 15-го, 2025 11:02
Доктор Ziwei XIE
Доктор медицины, Сингапур
ноябрь 15-го, 2025 09:22
Доктор Ronald FEINER
Доктор медицины, Австралия
октябрь 15-го, 2025 06:39
Доктор Ziwei XIE
Доктор медицины, Сингапур
октябрь 15-го, 2025 06:11
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