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J Clin Neurol. 2013 Apr;9(2):83-90. doi: 10.3988/jcn.2013.9.2.83. Epub 2013 Apr 4.

Follow-up of 58 traumatic carotid-cavernous fistulas after endovascular detachable-balloon embolization at a single center.

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  • 1Department of Radiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, China.

Abstract

BACKGROUND AND PURPOSE:

This study evaluated the clinical value of detachable-balloon embolization for traumatic carotid-cavernous fistula (TCCF), focusing on the frequency, risk factors, and retreatment of recurrence.

METHODS:

Fifty-eight patients with TCCF underwent transarterial detachable-balloon embolization between October 2004 and March 2011. The clinical follow-up was performed every 3 months until up to 3 years postprocedure. Each patient was placed in either the recurrence group or the nonrecurrence group according to whether a recurrence developed after the first procedure. The relevant factors including gender, fistula location, interval between trauma and the interventional procedure, blood flow in the carotid-cavernous fistula, number of balloons, and whether the internal carotid artery (ICA) was sacrificed were evaluated.

RESULTS:

All 58 TCCFs were successfully treated with transarterial balloon embolization, including 7 patients with ICA sacrifice. Recurrent fistulas occurred in seven patients during the follow-up period. Univariate analysis indicated that the interval between trauma and the interventional procedure (p=0.006) might be the main factor related to the recurrence of TCCF. The second treatments involved ICA sacrifice in two patients, fistula embolization with balloons in four patients, and placement of a covered stent in one patient.

CONCLUSIONS:

Detachable balloons can still serve as the first-line treatment for TCCFs and recurrent TCCFs despite having a nonnegligible recurrence rate. Shortening the interval between trauma and the interventional procedure may reduce the risk of recurrence.

KEYWORDS:

detachable balloons; interventional procedure; recurrence; traumatic carotid-cavernous fistula

PMID:
23626645
[PubMed]
PMCID:
PMC3633195
Free PMC Article
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