Abstract:
BACKGROUND:The existence of spinal cord watershed territories was suggested in the 1950s. Segmental infarcts within the junctional territories of adjacent radiculomedullary contributors and isolated spinal gray matter ischemia constitute two well-recognized types of watershed injury. This report describes the existence of another watershed territory related to the particular configuration of the spinal vasculature in the region of the conus medullaris. METHODS:The anatomical bases underlying the concept of a posterior lumbosacral watershed zone are demonstrated with angiographic images obtained in a 16-year-old child. The clinical importance of this watershed zone is illustrated with MRI and angiographic data of three patients with a conus medullaris infarction. RESULTS:In all three cases of spinal ischemia an intersegmental artery providing a significant radiculomedullary contribution for the lower cord was compromised by a compressive mechanism responsible for decreased spinal cord perfusion (diaphragmatic crus syndrome in two cases, disk herniation in one). The ischemic injury, located at the junction of the anterior and posterior spinal artery territories along the dorsal aspect of the conus medullaris, was consistent with a watershed mechanism. This zone is at risk because of the caudocranial direction of flow within the most caudal segment of the posterior spinal arterial network which, from a functional standpoint, depends on the anterior spinal artery. CONCLUSIONS:The posterior thoracolumbar watershed zone of the spinal cord represents an area at increased risk of ischemic injury, particularly in the context of partial flow impairment related to arterial compression mechanisms.
journal_name
J Neurointerv Surgjournal_title
Journal of neurointerventional surgeryauthors
Gailloud P,Gregg L,Galan P,Becker D,Pardo Cdoi
10.1136/neurintsurg-2014-011408subject
Has Abstractpub_date
2015-11-01 00:00:00pages
848-53issue
11eissn
1759-8478issn
1759-8486pii
neurintsurg-2014-011408journal_volume
7pub_type
杂志文章abstract::More than half a decade of experience and follow-up has now been accumulated with regard to flow diversion as a treatment for intracranial aneurysms; however, many uncertainties, such as the nature of aneurysmal remnants and the meaning of non-regressed, non-perfused aneurysmal masses, are still unknown. Here we discu...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2015-012093.rep
更新日期:2016-11-01 00:00:00
abstract:BACKGROUND:Due to anatomic features, including wide necks and incorporation of important branches, endovascular coiling of middle cerebral artery (MCA) aneurysms has proved challenging. Stent assisted embolization may increase the likelihood of successful treatment. METHODS:Consecutive patients undergoing stent assist...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2011-010162
更新日期:2013-01-01 00:00:00
abstract::The Pipeline Embolization Device (PED) is a flow diverting stent used in the treatment of a wide variety of intracranial aneurysms. The device differs from traditional stents used in stent-assisted coil embolization in that it has a tighter lattice structure with smaller cell sizes designed specifically to disrupt blo...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2016-012782
更新日期:2017-07-01 00:00:00
abstract:BACKGROUND:Bifurcation aneurysms can be treated with stent-assisted coiling using two stents in a Y-configuration. We aim to investigate the angiographic and clinical outcomes of Y-stent constructs for the treatment of intracranial aneurysms. METHODS:A systematic review of PubMed, Ovid MEDLINE, and Ovid EMBASE databas...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,meta分析
doi:10.1136/neurintsurg-2018-014517
更新日期:2019-07-01 00:00:00
abstract:BACKGROUND:Despite several retrospective studies analyzing the safety and efficacy of transradial access (TRA) versus transfemoral access (TFA) for cerebral angiography, this transition for neurointerventional procedures has been gradual. Nonetheless, based on our positive initial institutional experience with TRA for ...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2017-013584
更新日期:2018-09-01 00:00:00
abstract:BACKGROUND:Traditional treatment in acute ischemic stroke is based on time criteria when administering intravenous and intra-arterial therapies. However, recent evidence suggests that image-based criteria may be useful for selecting patients for intra-arterial interventions. The use of CT perfusion (CTP)-based criteria...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2011-010067
更新日期:2012-07-01 00:00:00
abstract:BACKGROUND AND PURPOSE:The use of stentrievers (ST) is rapidly growing due to several potential benefits over other available treatments. ST potentially restore flow before clot retrieval and reduce procedural time. We aimed to study the impact of these potential benefits. METHODS:Patients with acute stroke treated wi...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,多中心研究
doi:10.1136/neurintsurg-2013-010748
更新日期:2014-05-01 00:00:00
abstract::The efficacy and safety of transvenous embosurgery for sigmoid sinus dural arteriovenous fistula (DAVF) using the internal jugular vein approach is well known. Embosurgery of cavernous sinus DAVF has also been described utilizing a superior ophthalmic vein approach. The first report of a sigmoid sinus DAVF endosurgica...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/jnis.2010.003848
更新日期:2011-09-01 00:00:00
abstract:BACKGROUND:White matter lesions (WML) are associated with poor outcome after mechanical thrombectomy (MT) for large vessel stroke; the reasons are uncertain. To elucidate this issue we sought to determine the association of WML with multiple early and late outcome measures after MT. METHODS:We retrospectively analyzed...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2020-015940
更新日期:2021-01-01 00:00:00
abstract::The Massachusetts General Hospital Neuroradiology Division employed an experience and evidence based approach to develop a neuroimaging algorithm to best select patients with severe ischemic strokes caused by anterior circulation occlusions (ACOs) for intravenous tissue plasminogen activator and endovascular treatment...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,评审
doi:10.1136/neurintsurg-2013-010715
更新日期:2013-05-01 00:00:00
abstract:INTRODUCTION:To explore the patency and growth of surgical sidewall aneurysms in rabbits. MATERIALS AND METHODS:Forty sidewall aneurysms were created in the right common carotid artery (RCCA). Intravenous digital subtraction angiography (DSA) through the ear vein was performed immediately after creation. Three weeks l...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2012-010575
更新日期:2014-01-01 00:00:00
abstract:BACKGROUND:Postinterventional cerebral hyperdensities (PCHDs) are a common finding after endovascular stroke treatment. There is uncertainty about the extent to which PCHDs correspond to hemorrhage or contrast staining. Our aim was to evaluate the use of PCHD density on immediate postinterventional CT, and PCHD evoluti...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2016-012290
更新日期:2017-04-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Embolization of thrombus fragments in a new vascular territory is a potential adverse event in neurothrombectomy. This study was performed to evaluate the safety and feasibility of a novel approach combining proximal balloon occlusion and distal aspiration to prevent distal thrombembolic complica...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2015-012208
更新日期:2017-04-01 00:00:00
abstract::Patients with cavernous carotid fistulas (CCFs) can present with pituitary hypoperfusion and hypopituitarism; however, there are no previous reports of pituitary or hormonal abnormalities developing after CCF embolisation in an asymptomatic patient. We describe a patient with no hormonal abnormalities who developed sy...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2015-012104.rep
更新日期:2017-01-01 00:00:00
abstract:BACKGROUND:The formation of de novo pseudoaneurysms after stent implantation has not been well characterized after stenting of intracranial vessels. Its clinical significance is unknown, resulting in a difficult decision making process with regard to its treatment. METHODS:The database of patients treated at the Bapti...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2012-010443
更新日期:2013-09-01 00:00:00
abstract::We report a case of a direct carotid-cavernous fistula (CCF) in a patient with Ehlers-Danlos syndrome type IV who presented with progressive chemosis and diplopia. To prevent potential lethal arterial wall injury due to the fragility of the arterial vessel wall, the ipsilateral carotid artery and internal jugular vein...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2014-011414.rep
更新日期:2016-01-01 00:00:00
abstract:OBJECTIVE:To determine the relative effectiveness of proximal and distal protection in prevention of cerebral ischemic events during carotid artery stent (CAS) placement using diffusion-weighted MRI (DW-MRI). METHODS:We analyzed data from patients who had undergone DW-MRI before and within 24 hours of CAS for symptoma...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2016-012661
更新日期:2017-10-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Thrombelastography (TEG) is widely used for the measurement of platelet function. However, few studies have investigated the TEG parameters in patients receiving extracranial or intracranial artery stenting for ischemic cerebrovascular disease. This study sought to describe the association of TEG...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2015-011687
更新日期:2017-02-01 00:00:00
abstract::: Vessel wall magnetic resonance imaging (MRI) is a novel imaging technique that allows the intracranial vessel walls to be imaged directly. This state-of the art imaging modality may potentially change the way aneurysms are evaluated and managed. In this short review we discuss the current knowledge with illustrative...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,评审
doi:10.1136/neurintsurg-2015-012130
更新日期:2016-11-01 00:00:00
abstract:BACKGROUND:A study was undertaken to determine the typical length, diameter and taper of vessels in the anterior cerebral circulation. METHODS:The sample size was calculated at 100 patients based on similar measurements in the literature and divided into cohorts based on gender and side. These patients were consecutiv...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2012-010314
更新日期:2013-07-01 00:00:00
abstract:INTRODUCTION:The direct aspiration first pass technique (ADAPT) has been introduced as a simple and fast method for achieving good angiographic and clinical outcomes using large bore aspiration catheters for the treatment of acute ischemic stroke (AIS). We present a single center's long term experience with ADAPT. MET...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2015-012211
更新日期:2017-05-01 00:00:00
abstract::Pseudomonas aeruginosa meningitis is an uncommon complication of neurosurgical procedures or head trauma. Here, a case of infectious mid basilar artery aneurysm from Pseudomonas meningitis, and its angiographic remission from timely antibiotic therapy, is reported. ...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/jnis.2011.004747
更新日期:2012-05-01 00:00:00
abstract:BACKGROUND:Trials of endovascular thrombectomy (EVT) mostly excluded patients with large core strokes so the safety and efficacy of EVT is not well established in such patients. Moreover, the definition of large core and its measurement differ between semi-quantitative (ASPECTS) and quantitative (core volume) imaging m...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,评审
doi:10.1136/neurintsurg-2019-015509
更新日期:2020-12-01 00:00:00
abstract:BACKGROUND:Brain arteriovenous malformations (AVMs) are a rare pathology, and their treatment is discussed. The development of techniques and materials in endovascular, radiosurgical, and neurosurgical fields led to higher rates of complete occlusions and good clinical outcomes. MATERIALS AND METHODS:84 patients (52 m...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2013-010869
更新日期:2014-10-01 00:00:00
abstract:SUMMARY:The first known use of Onyx delivered via a dual lumen balloon catheter is reported. A mandibular arteriovenous malformation was successfully embolized with Onyx via an Ascent balloon catheter. CASE PRESENTATION:A teenage girl presented with facial deformity and episodes of oral bleeding. Angiogram showed an e...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2011-010179
更新日期:2013-03-01 00:00:00
abstract:BACKGROUND AND PURPOSE:Vertebrobasilar dolichoectatic and fusiform aneurysms (VBDAs) are known to have a poor natural history, with high rates of growth, rupture, and stroke. The purpose of this study was to identify hemodynamic characteristics that differ between VBDAs associated with growth, rupture, and stroke. MAT...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2018-013756
更新日期:2018-11-01 00:00:00
abstract:INTRODUCTION:Following satisfactory benchtop testing of a new liquid embolic agent, animal implant studies were performed. MATERIALS AND METHOD:Elastase aneurysms were created in the right common carotid artery of New Zealand rabbits under approved institutional guidelines. Using direct fluoroscopic control and commer...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/jnis.2010.004325
更新日期:2012-01-01 00:00:00
abstract:OBJECTIVE AND IMPORTANCE:To describe the use of DynaCT angiographic imaging for the evaluation of Wingspan in-stent restenosis (ISR). METHODS:Two patients were treated with Wingspan stenting and percutaneous transluminal angioplasty (Patient 1 had treatment of a severe stenosis of the right middle cerebral artery and ...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/jnis.2009.000505
更新日期:2010-03-01 00:00:00
abstract:BACKGROUND:Numerous large randomized trials have shown a significant morbidity and mortality benefit with the transradial approach (TRA) over the transfemoral approach (TFA) for endovascular procedures. However, this technique is routinely avoided or aborted due to unfamiliarity with the technique and the associated an...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章,评审
doi:10.1136/neurintsurg-2019-015145
更新日期:2020-01-01 00:00:00
abstract:INTRODUCTION:Mechanical thrombectomy (MT) has transformed the treatment of ischemic stroke. However, patient access to MT may be limited due to a shortage of doctors specifically trained to perform MT. The studies reported here were done to (1) develop, operationally define, and seek consensus from procedure experts on...
journal_title:Journal of neurointerventional surgery
pub_type: 杂志文章
doi:10.1136/neurintsurg-2018-014510
更新日期:2019-08-01 00:00:00