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The VenaSeal closure system (Medtronic, Minneapolis, Minn) is a nonthermal, minimally invasive method for the treatment of superficial venous insufficiency using a proprietary n-butyl cyanoacrylate. We report the case of a 45-year-old woman who underwent right great saphenous vein closure with VenaSeal and subsequently had a biphasic reaction to n-butyl cyanoacrylate, confirmed on patch testing that had negative results for other cyanoacrylates. Despite the initial allergic response, which settled with antihistamines, follow-up duplex ultrasound imaging confirmed successful great saphenous vein closure, and the affected vein remained in situ without further complication.
Fiengo et al. (Fri,) studied this question.