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Comment on: Curative Embolization of Brain Arteriovenous Malformations with Onyx: Patient Selection, Embolization Technique, and Results.

Abstract：

BACKGROUND AND PURPOSE:A new curative embolization technique with Onyx for selected small- and medium-sized superficially located brain arteriovenous malformations (AVMs) was developed, which consists of obliteration of the nidus, including incremental occlusion of the draining veins. We report our first clinical results. MATERIALS AND METHODS:Between June 2008 and July 2011, 24 patients (7 women, 17 men; mean age, 41 years; range, 6-74 years) with AVMs were selected for curative embolization with Onyx. Presentation was hemorrhage in 14 and seizures in 10 patients. AVM location was frontal in 11, occipital in six, parietal in four, and temporal in three. AVM size was a mean of 2.2 cm (median 2; range 1-3 cm). RESULTS:Complete angiographic obliteration of the AVM with Onyx in a single session was achieved in all 24 patients. There were no hemorrhagic or ischemic complications (0 %; 95 % CI, 0-16.3 %), and no new deficits induced by the treatment. Of 14 patients with ruptured AVMs, one patient who presented with a large frontal hematoma died shortly after surgical evacuation of the hematoma following complete embolization of a micro-AVM. Follow-up angiography at 3 months in 23 patients demonstrated a small AVM remnant in one that was treated with gamma knife radiosurgery. The other 22 AVMs remained completely occluded. CONCLUSIONS:In selected patients with small- and medium-sized superficial brain AVMs, as defined in our study, injection of Onyx by using a curative embolization technique in a single session seems to provide a safe and effective alternative to radiosurgery or surgery.

journal_name

Clin Neuroradiol

journal_title

Clinical neuroradiology

authors

Möhlenbruch M,Bendszus M,Rohde S

doi

10.1007/s00062-012-0149-y

subject

Has Abstract

pub_date

2012-06-01 00:00:00

pages

181-2

issue

2

eissn

1869-1439

issn

1869-1447

journal_volume

22

pub_type

临床试验,杂志文章

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