BACKGROUND: Although Onyx is widely used to embolize vascular lesions in adults, the safety and efficacy of this liquid embolic agent for use in children are not well studied. Neurosurgery: October 2012 - Volume 71 - Issue 4 - p 773–784 doi: 10.1227/NEU.0b013e3182648db6. Copyright © by the Congress of Neurological Surgeons
BACKGROUND: Endovascular therapy is now the preferred treatment option for basilar tip aneurysms (BTAs). Neurosurgery: October 2012 - Volume 71 - Issue 4 - p 785–794 doi: 10.1227/NEU.0b013e318265a416. Copyright © by the Congress of Neurological Surgeons
BACKGROUND: Recent studies from selected centers have shown that early surgical treatment of aneurysms in subarachnoid hemorrhage (SAH) patients can improve outcomes. These results have not been validated in clinical practice at large. Neurosurgery: September 2012 - Volume 71 - Issue 3 - p 670–678 doi: 10.1227/NEU.0b013e318261749b. Copyright © by the Congress of Neurological Surgeons
BACKGROUND: Stereotactic radiosurgery is an effective treatment modality for small arteriovenous malformations (AVMs) of the brain. For larger AVMs, the treatment dose is often lowered to reduce potential complications, but this decreases the likelihood of cure. One strategy is to divide large AVMs into smaller anatomic volumes and treat each volume separately. Neurosurgery: September 2012 - Volume 71 - Issue 3 - p 632–644 doi: 10.1227/NEU.0b013e31825fd247. Copyright © by the Congress of Neurological Surgeons
BACKGROUND: Stereotactic radiosurgery (SRS) of benign intracranial meningiomas is an accepted management option for well-selected patients. Neurosurgery: September 2012 - Volume 71 - Issue 3 - p 604–613 doi: 10.1227/NEU.0b013e31825ea557. Copyright © by the Congress of Neurological Surgeons
Background and Purpose—The purpose of this study was to evaluate the safety and technical feasibility of a new thrombectomy device (Revive; Micrus Endovascular) in the endovascular treatment of acute ischemic stroke. Stroke. 2011; 42: 2954-2956 Published online before print August 4, 2011, doi: 10.1161/STROKEAHA.111.616763. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Intracranial hemorrhage (ICH) is a rare and devastating complication of carotid revascularization. We sought to determine the prevalence of, type of, and risk factors associated with ICH among recipients of carotid endarterectomy (CEA) and carotid angioplasty and stenting (CAS) within the National Inpatient Sample (NIS). Stroke. 2011; 42: 2782-2787 Published online before print August 11, 2011, doi: 10.1161/STROKEAHA.111.618769. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—The risk of ischemic stroke in patients with asymptomatic vertebral artery stenosis is unknown. We examined the incidence of posterior circulation ischemic stroke in patients with asymptomatic stenosis of the vertebral artery origin (VAo). Stroke. 2011; 42: 2795-2800 Published online before print August 18, 2011, doi: 10.1161/STROKEAHA.110.612903. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Recent randomized trials showed an increased periprocedural risk for stroke with increasing age in patients undergoing carotid artery stenting. Manipulation of atherosclerotic plaques during carotid artery stenting can result in plaque rupture with subsequent superimposed thrombus formation, embolization, and cerebrovascular events. We hypothesized that atherosclerotic plaques become more unstable with increasing age and thereby might provide insight into the age-related increased risk of cerebrovascular events during carotid artery stenting. Stroke. 2011; 42: 2550-2555 Published online before print July 7, 2011, doi: 10.1161/STROKEAHA.110.607382. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Vessel recanalization is a strong predictor of good outcome in acute ischemic strokes (AIS) secondary to large vessel occlusions. We report our single-center experience with self-expandable stents in the treatment of AIS. Stroke. 2011; 42: 2636-2638 Published online before print June 30, 2011, doi: 10.1161/STROKEAHA.111.618389. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—The incidence and risk factors for recurrence after endovascular treatment of intracranial vertebrobasilar dissecting aneurysms (VBDAs) have not been studied. We aimed to evaluate the incidence and risk factors for recurrence after endovascular treatment of VBDAs. Stroke. 2011; 42: 2425-2430 Published online before print July 21, 2011, doi: 10.1161/STROKEAHA.111.617381. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Basilar artery occlusion has a high mortality rate (85% to 95%) if untreated. We describe a large single-center cohort treated mostly with intravenous alteplase and heparin. Stroke. 2011; 42: 2175-2179 Published online before print July 7, 2011, doi: 10.1161/STROKEAHA.110.605584. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Extracranial vertebral artery stenosis (ECVAS) is common among patients with ischemic stroke. Despite the limited knowledge of the natural history of patients with symptomatic vertebral disease, endovascular revascularization techniques are now utilized in clinical practice. We sought to determine the risk of endovascular treatment for ECVAS with a systematic review of the literature. Stroke. 2011; 42: 2212-2216 Published online before print June 23, 2011, doi: 10.1161/STROKEAHA.110.611459. Copyright © 2011 American Heart Association, Inc. All rights reserved.
Background and Purpose—Collaterals sustain the ischemic penumbra to limit growth of the infarct core before revascularization, yet the impact of baseline collateral flow on hemorrhagic transformation (HT) after endovascular therapy remains unknown. Stroke. 2011; 42: 2235-2239 Published online before print July 7, 2011, doi: 10.1161/STROKEAHA.110.604603. Copyright © 2011 American Heart Association, Inc. All rights reserved.
SUMMARY: In contrast to cervical and lumbar fusion procedures, the principal aim of disk arthroplasty is to recapitulate the normal kinematics and biomechanics of the spinal segment affected. Following decompression of the neural elements, disk arthroplasty allows restoration of disk height and maintenance of spinal alignment. Based on clinical observations and biomechanical testing, the anticipated advantage of arthroplasty over standard arthrodesis techniques has been a proposed reduction in the development of symptomatic ALD. In this review of cervical and lumbar disk arthroplasty, we highlight the clinical results and experience with standard fusion techniques, incidence of ALD in the population of patients with surgical fusion, and indications for arthroplasty, as well as the biomechanical and clinical outcomes following arthroplasty. In addition, we introduce the devices currently available and provide a critical appraisal of the clinical evidence regarding arthroplasty procedures. Published online before print October 27, 2011, doi: 10.3174/ajnr.A2758 AJNR 2012 33: 1631-1641. Copyright © 2012 by American Journal of Neuroradiology
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