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Efficacy and safety of embolization in arteriovenous malformations of the extremities and head and neck: a retrospective study of 32 cases

Abstract : Background: Definitive treatment of arteriovenous malformations (AVMs) consists of complete surgical excision. When not possible, embolization may be performed. Objectives: We aimed to evaluate the efficacy and safety of embolization for AVMs of the extremities and head and neck. Materials and methods: This retrospective study included all patients undergoing embolization for AVMs of skin and soft tissues on the limbs, head and neck, in the University Hospital Center of Tours between January 1996 and December 2009. The main outcome was efficacy, assessed by two independent assessors, as the percentage of AVM devascularized at the end of embolization. Secondary outcomes were patient satisfaction, evolution of symptoms and safety of embolization. Results: We included 32 AVMs in 31 patients, for 66 embolizations evaluated. In 18 AVMs (56.3%), devascularization was greater than 75% of the initial vascularization. Efficacy was lower for AVMs of the upper limbs than other body parts (p = 0.003). For 18 patients who could be contacted by telephone, the mean global satisfaction was 6.0 +/- 2.7 on a scale of 0 to 10, and 13 (72.2%) reported an improvement of the symptoms linked to the AVM. Severe adverse events were reported after 4 embolizations, all located on the head and neck. Conclusion: Embolization can lead to good devascularization and improve symptoms linked to AVMs, especially in lower limbs. Minor complications are frequent, and severe adverse events may occur, especially after procedures on the head and neck.
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https://hal.inrae.fr/hal-02630885
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Submitted on : Wednesday, May 27, 2020 - 6:41:54 AM
Last modification on : Thursday, May 6, 2021 - 2:22:41 PM

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Elodie Le Fourn, Denis Herbreteau, Chrysanthi Papagiannaki, Gérard Lorette, Dominique Sirinelli, et al.. Efficacy and safety of embolization in arteriovenous malformations of the extremities and head and neck: a retrospective study of 32 cases. European Journal of Dermatology, John Libbey Eurotext, 2015, 25 (1), pp.52 - 56. ⟨10.1684/ejd.2014.2450⟩. ⟨hal-02630885⟩

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