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Introduction

Guglielmi detachable coil embolization

Giuseppe Lanzino

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Editorial

Role of radiosurgery for arteriovenous malformations

Giuseppe Lanzino

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Leonardo Rangel-Castilla and Giuseppe Lanzino

In elderly patients with acute ischemic stroke, tortuosity of the proximal vertebral artery makes access from the transfemoral route challenging and time consuming. In such cases, a transradial approach (TA) offers a more direct vertebral artery (VA) access that overcomes proximal VA tortuosity. In this video the authors illustrate nuances of the TA for acute basilar artery occlusion in two patients with challenging proximal VA anatomy. Techniques, devices, and pitfalls are discussed. In both patients, mechanical clot retrieval was successful and resulted in significant recovery of function. The authors believe that the TA should be the initial approach for basilar artery (BA) occlusion management in elderly patients and should be considered for selected patients with other conditions requiring endovascular treatment.

The video can be found here: https://youtu.be/_Ym9tMKUy_4.

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Giuseppe Lanzino and Robert F. Spetzler

✓ An intraoperative aneurysm rupture due to a tear at the aneurysm neck can be a tricky complication to manage. The authors describe a simple technique found to be useful in such a case.

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Paolo Perrini and Giuseppe Lanzino

✓Developmental venous anomalies (DVAs) are often associated with intracranial cavernous malformations (CMs). The frequency of this association and the observation of de novo CMs located near a known, preexisting DVA raise speculations as to the possible etiopathogenetic relationship between the two. In this article, the authors review the recent literature dealing with the potential etiopathogenetic, prognostic, and therapeutic implications of the association between DVAs and CMs.

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Saul F. Morales-Valero and Giuseppe Lanzino

Asymptomatic carotid artery stenosis is a well-recognized risk factor for ischemic stroke, and its prevalence increases with age. In the late 1980s and in the 1990s, well-designed randomized trials established a definite advantage for carotid endarterectomy in reducing the risk of ipsilateral stroke when compared with medical therapy alone. However, medical treatment of cardiovascular disease has improved significantly over the past 2 decades, and this has, in turn, resulted in a decline of the stroke risk in patients with asymptomatic carotid artery stenosis treated medically. This improvement in medical therapy casts doubts on the effectiveness of large-scale invasive treatment in patients with asymptomatic carotid artery stenosis. Several studies have been conducted to identify possible subgroups of patients with asymptomatic stenosis who are at higher risk of stroke in order to maximize the potential benefits of invasive treatment. Ongoing large-scale trials comparing best current medical therapy to available invasive treatments, such as carotid endarterectomy and carotid artery stenting, are likely to shed some light on this debated topic in the near future. In this review, the authors summarize the current controversy surrounding the ideal management of asymptomatic carotid artery stenosis.

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Editorial

Vertebrobasilar dissections

Giuseppe Lanzino

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Giuseppe Lanzino