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Remission of neurovascular conflicts in the cerebellopontine angle in interventional neuroradiology.

Abstract：

BACKGROUND AND PURPOSE:To investigate the efficacy of endovascular treatment (EVT) for neurovascular conflicts (NVCs) in the cerebellopontine angle (CPA) caused by intracranial aneurysms (IAs) and intracranial arteriovenous malformations (AVMs), including trigeminal neuralgia, hemifacial spasm, and glossopharyngeal neuralgia. MATERIALS AND METHODS:From January 2010 to January 2014, 14 consecutive patients presenting with three NVCs caused by IAs or intracranial AVMs were admitted to our department. The clinical outcomes of these NVCs after EVT were retrospectively analyzed. RESULTS:For four patients with IAs, angiographic follow-up confirmed total occlusion of the lesion in all, and the clinical outcomes of NVC were as follows: gradual relief in two (50%), transient partial relief but recurrence in one (25%), and no palliative effect in one (25%). For the 10 patients with intracranial AVMs, one (10%) experienced transient relief of NVC after angiogram examination (no EVT was performed). Of the other nine patients who received EVT, angiographic follow-up was obtained in seven (70%), demonstrating total obliteration of the lesion in three (30%), subtotal obliteration in two (20%), and partial obliteration in two (20%). Clinical outcomes included immediate relief of NVCs after single EVT in two cases (20%), gradual relief after single EVT in five (50%, one of them experienced transient aggravation), and complete relief after two sessions of EVT in two (20%). Complications of transient cranial nerve paresis related to EVT occurred in two cases (20%) with intracranial AVMs. In all, complete lasting relief of the NVCs was obtained finally in 11 cases (78.6%). CONCLUSIONS:EVT is a feasible and less invasive approach for relief of NVCs in the CPA caused by IA or intracranial AVM and could be considered as a therapeutic option in these situations.

journal_name

J Neurointerv Surg

journal_title

Journal of neurointerventional surgery

authors

Li C,Li Y,Jiang C,Wu Z,Wang Y,Yang X

doi

10.1136/neurintsurg-2014-011500

subject

Has Abstract

pub_date

2016-01-01 00:00:00

pages

87-93

issue

eissn

1759-8478

issn

1759-8486

pii

neurintsurg-2014-011500

journal_volume

pub_type

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Remission of neurovascular conflicts in the cerebellopontine angle in interventional neuroradiology.