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Source: Journal of Neurosurgery

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Total 581 results found since Jan 2013.

Contemporary carotid imaging: from degree of stenosis to plaque vulnerability.
Abstract Carotid artery stenosis is a well-established risk factor of ischemic stroke, contributing to up to 10%-20% of strokes or transient ischemic attacks. Many clinical trials over the last 20 years have used measurements of carotid artery stenosis as a means to risk stratify patients. However, with improvements in vascular imaging techniques such as CT angiography and MR angiography, ultrasonography, and PET/CT, it is now possible to risk stratify patients, not just on the degree of carotid artery stenosis but also on how vulnerable the plaque is to rupture, resulting in ischemic stroke. These imaging techniq...
Source: Journal of Neurosurgery - July 31, 2015 Category: Neurosurgery Authors: Brinjikji W, Huston J, Rabinstein AA, Kim GM, Lerman A, Lanzino G Tags: J Neurosurg Source Type: research

Microembolism after endovascular coiling of unruptured cerebral aneurysms: incidence and risk factors.
CONCLUSIONS The incidence of microembolism after endovascular coiling of UIA was not low. Lesions occurred more frequently in patients with vascular status associated with old age, diabetes, and previous stroke. Aneurysm multiplicity and the type of stent used for treatment also influenced lesion occurrence. PMID: 26381257 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - September 18, 2015 Category: Neurosurgery Authors: Park JC, Lee DH, Kim JK, Ahn JS, Kwun BD, Kim DY, Choi CG Tags: J Neurosurg Source Type: research

Age-related outcomes following intracranial aneurysm treatment with the Pipeline Embolization Device: a subgroup analysis of the IntrePED registry.
CONCLUSIONS Increasing age is associated with higher neurological morbidity and mortality after Pipeline embolization of intracranial aneurysms. However, the overall complication rates of PED treatment in this group of highly selected elderly patients (> 70 years) were acceptably low, suggesting that age alone should not be considered an exclusion criterion when considering treatment of intracranial aneurysms with the PED. PMID: 26544776 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - November 6, 2015 Category: Neurosurgery Authors: Brinjikji W, Kallmes DF, Cloft HJ, Lanzino G Tags: J Neurosurg Source Type: research

The safety of Pipeline flow diversion in fusiform vertebrobasilar aneurysms: a consecutive case series with longer-term follow-up from a single US center.
CONCLUSIONS Flow diversion with selective adjunctive techniques is evolving to become a safer treatment option for posterior circulation aneurysms. This is the longest clinical follow-up duration reported for a single-center experience of flow-diversion treatment of these aneurysms. PMID: 26654175 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - December 11, 2015 Category: Neurosurgery Authors: Natarajan SK, Lin N, Sonig A, Rai AT, Carpenter JS, Levy EI, Siddiqui AH Tags: J Neurosurg Source Type: research

Very late ischemic complications in flow-diverter stents: a retrospective analysis of a single-center series.
CONCLUSIONS Very late ischemic complications after FDS treatment were observed in 3.5% of the cases in the authors' series, some of which occurred as late as more than 1 year after placement. PMID: 26824382 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - January 29, 2016 Category: Neurosurgery Authors: Guédon A, Clarençon F, Di Maria F, Rosso C, Biondi A, Gabrieli J, Rojas P, Chiras J, Sourour N Tags: J Neurosurg Source Type: research

A leap forward in the endovascular management of acute basilar artery occlusion since the appearance of stent retrievers: a single-center comparative study.
CONCLUSIONS The latest devices have improved the effectiveness of mechanical thrombectomy in acute BAO. Their use in further studies may help demonstrate a benefit in the endovascular management of acute BAO. PMID: 27257830 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - June 2, 2016 Category: Neurosurgery Authors: Fahed R, Di Maria F, Rosso C, Sourour N, Degos V, Deltour S, Baronnet-Chauvet F, Léger A, Crozier S, Gabrieli J, Samson Y, Chiras J, Clarençon F Tags: J Neurosurg Source Type: research

Academic impact and rankings of neuroendovascular fellowship programs across the United States.
CONCLUSIONS The departmental h index and analysis of its publication topics can be used to calculate the h index of an associated subspecialty. The analysis was focused on the neuroendovascular specialty, and this methodology can be extended to other neurosurgical subspecialties. Individual faculty research interest is directly reflected in the research productivity of a department. High-productivity centers had significantly more faculty with significantly higher individual h indices. The current systems for neuroendovascular fellowship program accreditation do not have a meaningful impact on academic productivity. P...
Source: Journal of Neurosurgery - January 12, 2017 Category: Neurosurgery Authors: Sonig A, Shallwani H, Levy BR, Shakir HJ, Siddiqui AH Tags: J Neurosurg Source Type: research

Coexistence of obstructive sleep apnea worsens the overall outcome of intracranial aneurysm: a pioneer study.
CONCLUSIONS Complications of IA such as rupture and vasospasm are often the consequence of uncontrolled OSA. Overall outcome (mRS) of IAs is also affected by the co-occurrence of OSA. Therefore, the coexistence of OSA with IA affects the outcome of IAs. Obstructive sleep apnea is a risk factor for a poor outcome in IA patients. PMID: 28338434 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - March 21, 2017 Category: Neurosurgery Authors: Bir SC, Nanda A, Cuellar H, Sun H, Guthikonda B, Liendo C, Minagar A, Chernyshev OY Tags: J Neurosurg Source Type: research

A direct aspiration first-pass technique vs stentriever thrombectomy in emergent large vessel intracranial occlusions.
CONCLUSIONS The present study demonstrates that ADAPT and primary stentriever thrombectomy for acute ischemic stroke due to ELVO are equivalent with respect to the rates of TICI 2b/3 recanalization and 90-day mRS scores. Given the reduced procedural time and time to TICI 2b/3 recanalization with similar functional outcomes, an initial attempt at recanalization with ADAPT may be warranted prior to stentriever thrombectomy. PMID: 28409731 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - April 14, 2017 Category: Neurosurgery Authors: Stapleton CJ, Leslie-Mazwi TM, Torok CM, Hakimelahi R, Hirsch JA, Yoo AJ, Rabinov JD, Patel AB Tags: J Neurosurg Source Type: research

"Y-stent retriever": a new rescue technique for refractory large-vessel occlusions?
Abstract Long-awaited positive trial data have shown the efficacy of endovascular treatment in patients with ischemic stroke who arrive at the hospital within the first 6 hours with large-vessel occlusion of the anterior circulation. With the introduction of stent retrievers (SRs) for mechanical thrombectomy, efficient and safe large-artery recanalization treatment can be achieved. However, sometimes there are patients who do not attain complete flow restoration following attempts with traditional maneuvers. The authors present the case of a 57-year-old man with acute ischemic stroke due to an M1 embolus that exte...
Source: Journal of Neurosurgery - May 19, 2017 Category: Neurosurgery Authors: Crosa R, Spiotta AM, Negrotto M, Jaume A, Casagrande W Tags: J Neurosurg Source Type: research

Effects of different surgical modalities on the clinical outcome of patients with moyamoya disease: a prospective cohort study.
CONCLUSIONS CB and DB are more effective at preventing recurrent ischemic strokes than IB. However, there is no evidence that these 3 surgical modalities demonstrate significant differences in preventing recurrent hemorrhage. PMID: 28686113 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - July 7, 2017 Category: Neurosurgery Authors: Deng X, Gao F, Zhang D, Zhang Y, Wang R, Wang S, Cao Y, Zhao Y, Pan Y, Ye X, Liu X, Zhang Q, Wang J, Yang Z, Zhao M, Zhao J Tags: J Neurosurg Source Type: research

Direct versus indirect bypasses for adult ischemic-type moyamoya disease: a propensity score-matched analysis.
CONCLUSIONS Although neurological function outcome was not determined by the surgical modality, DB is more effective in preventing recurrent ischemic strokes than IB for adult ischemic-type MMD. PMID: 28799875 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - August 11, 2017 Category: Neurosurgery Authors: Deng X, Gao F, Zhang D, Zhang Y, Wang R, Wang S, Cao Y, Zhao Y, Pan Y, Liu X, Zhang Q, Zhao J Tags: J Neurosurg Source Type: research

Pure arterial malformations.
CONCLUSIONS Pure arterial malformations are rare lesions that are often detected incidentally and probably have a benign natural history. These lesions can affect any of the intracranial arteries and are likely best managed conservatively. PMID: 28960150 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - September 29, 2017 Category: Neurosurgery Authors: Brinjikji W, Cloft HJ, Flemming KD, Comelli S, Lanzino G Tags: J Neurosurg Source Type: research

Risk of intracranial hemorrhage after carotid artery stenting versus endarterectomy: a population-based study.
CONCLUSIONS CAS is associated with a rare but higher risk of ICH relative to CEA. Future research is needed to devise strategies that minimize the risk of this serious complication after carotid artery revascularization. PMID: 29393758 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - February 2, 2018 Category: Neurosurgery Authors: Hussain MA, Alali AS, Mamdani M, Tu JV, Saposnik G, Salata K, Nathens AB, de Mestral C, Bhatt DL, Verma S, Al-Omran M Tags: J Neurosurg Source Type: research

Longitudinal anterior-to-posterior shift of collateral channels in patients with moyamoya disease: an implication for its hemorrhagic onset.
CONCLUSIONS This study suggests that the collateral channels through moyamoya vessels longitudinally shift from the anterior to posterior component during disease progression and aging, which may be closely related to the onset of hemorrhagic stroke in adult moyamoya disease. PMID: 29570010 [PubMed - as supplied by publisher]
Source: Journal of Neurosurgery - March 23, 2018 Category: Neurosurgery Authors: Yamamoto S, Hori S, Kashiwazaki D, Akioka N, Kuwayama N, Kuroda S Tags: J Neurosurg Source Type: research