Affiliation:
1. The Hospital for Sick Children, University of Toronto, Toronto;
2. 135 Queen's Plate Drive, Suite 340, Etobicoke, Ontario;
3. Regional Centre for Plastic and Reconstructive Surgery, Middlemore Hospital, Auckland, New Zealand
Abstract
Due to the rarity of arteriovenous malformations (AVMs), there is a paucity of information on the outcomes of various treatments. Presently, the mainstays of treatment of an AVM are embolization, surgical excision or a combination of both. A retrospective study of 26 patients with AVMs treated at the Hospital for Sick Children, Toronto, Ontario between 1985 and 1995 was performed. The treatment strategies and patient outcomes were compared in terms of efficacy, complications and the response of patients and their families to their overall treatment. The overall findings showed that embolization alone was effective in controlling symptoms, but may be associated with an increased AVM size. A partial excision of an AVM does not appear to exacerbate recurrence, as has been previously reported. In fact, even after what appears to be a complete excision of the AVM, recurrence may still occur. Complications from a surgical excision of the AVM are more frequent but less devastating than complications from embolization of the lesion. The overall patient or parent satisfaction with treatment was high with respect to improvement in outcome. It is expected that with an increasing understanding of vascular malformations, and the evolution of interventional radiological techniques, complications will decrease and results as a whole will improve.
Cited by
8 articles.
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