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Neurosurgery

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https://www.readbyqxmd.com/read/28431144/effect-of-body-mass-index-on-venous-sinus-pressures-in-idiopathic-intracranial-hypertension-patients-before-and-after-endovascular-stenting
#1
Daniel M S Raper, Dale Ding, Thomas J Buell, R Webster Crowley, Robert M Starke, Kenneth C Liu
BACKGROUND: Elevated body mass index (BMI) has been correlated with worse outcomes after treatment for idiopathic intracranial hypertension (IIH). Venous sinus stenting (VSS) has emerged as a safe and effective treatment for a subset of patients with IIH and evidence of venous sinus stenosis. However, the association between BMI and the efficacy of VSS remains poorly characterized. OBJECTIVE: To determine, in a retrospective cohort study, the effect of BMI on preoperative mean intracranial venous pressure (MVP) and post-VSS outcomes...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431136/c1-lateral-mass-displacement-and-transverse-atlantal-ligament-failure-in-jefferson-s-fracture-a-biomechanical-study-of-the-rule-of-spence
#2
Rafeek O Woods, Serkan Inceoglu, Yusuf T Akpolat, Wayne K Cheng, Brice Jabo, Olumide Danisa
BACKGROUND: Jefferson's fracture, first described in 1927, represents a bursting fracture of the C1 ring with lateral displacement of the lateral masses. It has been determined that if the total lateral mass displacement (LMD) exceeds 6.9 mm, there is high likelihood of transverse atlantal ligament (TAL) rupture, and if LMD is less than 5.7 mm TAL injury is unlikely. Several recent radiographic studies have questioned the accuracy and validity of the "rule of Spence" and it lacks biomechanical support...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431048/letter-extensive-migration-of-young-neurons-into-the-infant-human-frontal-lobe
#3
Adriano Barreto Nogueira, Ariel Barreto Nogueira, José Carlos Esteves Veiga, Manoel Jacobsen Teixeira
No abstract text is available yet for this article.
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431043/male-gender-associated-with-post-treatment-seizure-risk-of-pediatric-arteriovenous-malformation-patients
#4
Wuyang Yang, Erick M Westbroek, Heather Anderson-Keightly, Justin M Caplan, Xiaoming Rong, Alice L Hung, Maria Braileanu, Joanna Y Wang, Geoffrey P Colby, Alexander L Coon, Rafael J Tamargo, Edward S Ahn, Judy Huang
BACKGROUND: Seizure risk has not been fully characterized in pediatric patients with arteriovenous malformations (AVMs). OBJECTIVE: To describe the progression and risk factors of post-treatment seizure in children with AVMs. METHODS: We retrospectively reviewed pediatric patients diagnosed with intracranial AVMs at our institution between 1990 and 2013. Clinical and angiographic variables were included in univariate and multivariate Cox proportional hazard models to explore risk factors associated with time-related seizure outcomes...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431026/minimally-invasive-sacroiliac-joint-fusion-radiofrequency-denervation-and-conservative-management-for-sacroiliac-joint-pain-6-year-comparative-case-series
#5
Vicente Vanaclocha, Juan Manuel Herrera, Nieves Sáiz-Sapena, Marlon Rivera-Paz, Francisco Verdú-López
BACKGROUND: Sacroiliac joint (SIJ) pain is an under-recognized condition. Substantial information supports the safety and effectiveness of SIJ fusion (SIJF). Long-term follow-up after SIJF has not been reported. OBJECTIVE: To determine responses to conservative management (CM), SIJ denervation, and SIJF in patients with SIJ pain unresponsive to CM. METHODS: Retrospective study with long-term (up to 6 yr) follow-up of 137 patients with SIJ pain seen in an outpatient neurosurgery clinic who received either CM (n = 63), sacroiliac denervation (n = 47), or minimally invasive SIJF (n = 27)...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431024/radiosurgery-for-unruptured-brain-arteriovenous-malformations-an-international-multicenter-retrospective-cohort-study
#6
Dale Ding, Robert M Starke, Hideyuki Kano, John Y K Lee, David Mathieu, John Pierce, Paul Huang, Symeon Missios, Caleb Feliciano, Rafael Rodriguez-Mercado, Luis Almodovar, Inga S Grills, Danilo Silva, Mahmoud Abbassy, Douglas Kondziolka, Gene H Barnett, L Dade Lunsford, Jason P Sheehan
BACKGROUND: The role of intervention in the management of unruptured brain arteriovenous malformations (AVM) is controversial. OBJECTIVE: To analyze in a multicenter, retrospective cohort study, the outcomes following radiosurgery for unruptured AVMs and determine predictive factors. METHODS: We evaluated and pooled AVM radiosurgery data from 8 institutions participating in the International Gamma Knife Research Foundation. Patients with unruptured AVMs and ≥12 mo of follow-up were included in the study cohort...
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431007/letter-surfer-s-myelopathy-a-rare-form-of-spinal-cord-infarction-in-novice-surfers-a-systematic-review
#7
John R Silver
No abstract text is available yet for this article.
April 20, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431181/protective-effect-of-mesenchymal-stem-cells-against-the-development-of-intracranial-aneurysm-rupture-in-mice
#8
Atsushi Kuwabara, Jia Liu, Yoshinobu Kamio, Airan Liu, Michael T Lawton, Jae-Woo Lee, Tomoki Hashimoto
BACKGROUND: Mesenchymal stem cells (MSCs) are multipotent stem or stromal cells found in multiple tissues. Intravenous MSC injections have been used to treat various diseases with an inflammatory component in animals and humans. Inflammation is emerging as a key component of pathophysiology of intracranial aneurysms. Modulation of inflammation by MSCs may affect sustained inflammatory processes that lead to aneurysmal rupture. OBJECTIVE: To assess the effect of MSCs on the development of aneurysm rupture using a mouse model...
April 19, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28431023/safety-and-efficacy-of-the-sofia-6f-plus-distal-access-reperfusion-catheter-in-the-endovascular-treatment-of-acute-ischemic-stroke
#9
Hussain Shallwani, Hakeem J Shakir, Leonardo Rangel-Castilla, Jason M Davies, Ashish Sonig, Mithun G Sattur, Bernard R Bendok, Kenneth V Snyder, Adnan H Siddiqui, Elad I Levy
BACKGROUND: Neuroendovascular intervention has become a key treatment option for acute ischemic stroke. The Sofia (6F) PLUS catheter was designed for neurovascular access for diagnostic or therapeutic interventions. OBJECTIVE: To report the first series describing use of the Sofia PLUS intermediate/distal access reperfusion catheter in the treatment of acute ischemic stroke. METHODS: In this retrospective study, 41 stroke cases were identified in which the catheter was utilized for thrombolysis/thrombectomy...
April 19, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419389/letter-guidelines-for-the-management-of-severe-traumatic-brain-injury-fourth-edition
#10
Victor Volovici, Iain K Haitsma, Clemens M F Dirven, Ewout W Steyerberg, Hester F Lingsma, Andrew I R Maas
No abstract text is available yet for this article.
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419358/early-cranioplasty-is-associated-with-greater-neurological-improvement-a-systematic-review-and-meta-analysis
#11
James G Malcolm, Rima S Rindler, Jason K Chu, Falgun Chokshi, Jonathan A Grossberg, Gustavo Pradilla, Faiz U Ahmad
BACKGROUND: Cranioplasty after decompressive craniectomy is a common neurosurgical procedure, yet the optimal timing of cranioplasty has not been well established. OBJECTIVE: To investigate whether the timing of cranioplasty is associated with differences in neurological outcome. METHODS: A systematic literature review and meta-analysis was performed using MEDLINE, Scopus, and the Cochrane databases for studies reporting timing and neurological assessment for cranioplasty after decompressive craniectomy...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419341/letter-decompressive-surgery-for-diabetic-neuropathy-waiting-for-incontrovertible-proof
#12
Chenlong Liao
No abstract text is available yet for this article.
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419327/epilepsy-surgeries-requiring-an-operculoinsular-cortectomy-operative-technique-and-results
#13
Alain Bouthillier, Dang Khoa Nguyen
BACKGROUND: Epilepsy surgeries requiring an operculoinsulectomy pose significant difficulties because the perisylvian area is highly vascular, deep, and functional. OBJECTIVE: To report the operative technique and results of epilepsy surgeries requiring an operculoinsular cortectomy at our institution. METHODS: The data of all consecutive patients who had undergone an epilepsy surgery requiring an operculoinsular cortectomy with a minimum follow-up of 1 yr were reviewed...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419312/minimally-invasive-transforaminal-lumbar-interbody-fusion-meta-analysis-of-the-fusion-rates-what-is-the-optimal-graft-material
#14
Avelino Parajón, Marjan Alimi, Rodrigo Navarro-Ramirez, Paul Christos, Jose M Torres-Campa, Yu Moriguchi, Gernot Lang, Roger Härtl
BACKGROUND: Minimally invasive transforaminal lumbar interbody fusion (MIS-TLIF) is an increasingly popular procedure with several potential advantages over traditional open TLIF. OBJECTIVE: The current study aimed to compare fusion rates of different graft materials used in MIS-TLIF, via meta-analysis of the published literature. METHODS: A Medline search was performed and a database was created including patient's type of graft, clinical outcome, fusion rate, fusion assessment modality, and duration of follow-up...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419304/incorporating-a-modified-graeb-score-to-the-modified-fisher-scale-for-improved-risk-prediction-of-delayed-cerebral-ischemia-following-aneurysmal-subarachnoid-hemorrhage
#15
Matt E Eagles, Blessing N R Jaja, R Loch Macdonald
BACKGROUND: Delayed cerebral ischemia (DCI) is a cause of poor outcome after aneurysmal subarachnoid hemorrhage. Risk scales to predict DCI have scarcely been evaluated for predictive accuracy. Accounting for volume of intraventricular hemorrhage (IVH) in the modified Fischer scale (mFS) may improve its predictive accuracy. OBJECTIVE: To compare the modified Graeb score (mGS) to the mFS for risk prediction of DCI, and to investigate whether incorporating an mGS cut-point into the mFS could improve predictive accuracy...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419295/anatomic-features-of-paraclinoid-aneurysms-computed-tomography-angiography-study-of-144-aneurysms-in-136-consecutive-patients
#16
Ahmadreza Rafiei, Ahmad Hafez, Hanna Lehto, Behnam Rezai Jahromi, Juha Hernesniemi, Riku Kivisaari, Bruno Canato, Joham Choque, Sharafeddin Fransua, Hugo Andrade-Barazarte, Roberto Colasanti
BACKGROUND: Paraclinoid aneurysms are among the most challenging aneurysms to treat. Computed tomography (CT) angiography helps in evaluating the radiological characteristics of these aneurysms next to bony structures. OBJECTIVE: To present the CT angiography characteristics of paraclinoid aneurysms in order to better understand such pathology. METHODS: The study examined CT angiography-based anatomical characteristics obtained retrospectively from 136 patients with 144 paraclinoid aneurysms selected from single-defined catchment populations in Finland...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419294/preliminary-study-of-tirofiban-infusion-in-coil-embolization-of-ruptured-intracranial-aneurysms
#17
Chang Hyo Yoon, Ho-Won Lee, Young Soo Kim, Sang Won Lee, Jeong A Yeom, Jieun Roh, Seung Kug Baik
BACKGROUND: There have been some reports on the use of intra-arterial tirofiban in ruptured intracranial aneurysms, but few studies have reported on the use of 24 h of intravenous tirofiban infusion in patients with subarachnoid hemorrhage. OBJECTIVE: To present our experience with intravenous tirofiban infusion, in the form of a monotherapy as well as in addition to intra-arterial tirofiban, as a prophylactic, and as a rescue management for thrombus in patients who have undergone embolization with coils for ruptured intracranial aneurysms...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419292/design-and-testing-of-2-novel-scores-that-predict-global-sagittal-alignment-utilizing-cervical-or-lumbar-plain-radiographs
#18
Ezequiel Goldschmidt, Federico Angriman, Bruno Ferreyro, Nitin Agarwal, James Zhou, Katherine Chen, Zachary J Tempel, Peter C Gerszten, Adam S Kanter, David O Okonkwo, Peter Passias, Justin Scheer, Themistocles Protopsaltis, Virginie Lafage, Renaud Lafage, Frank Schwab, Shay Bess, Chris Ames, Justin S Smith, Douglas Burton, D Kojo Hamilton
BACKGROUND: Global sagittal deformity is an established cause of disability. However, measurements of sagittal alignment are often ignored when patients present with symptoms localizing to the cervical or lumbar spine. OBJECTIVE: To develop scoring scales to predict the risk of sagittal malalignment in patients with only cervical or lumbar spine radiographs. METHODS: A retrospective review of a prospectively maintained multicenter adult spinal deformity database was performed...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419287/prediction-algorithm-for-surgical-intervention-in-neonatal-brachial-plexus-palsy
#19
Thomas J Wilson, Kate W C Chang, Lynda J S Yang
BACKGROUND: Neonatal brachial plexus palsy (NBPP) results in reduced function of the affected arm with profound ramifications on quality of life. Advances in surgical technique have shown improvements in outcomes for appropriately selected patients. Patient selection, however, remains difficult. OBJECTIVE: To develop a decision algorithm that could be applied at the individual patient level, early in life, to reliably predict persistent NBPP that would benefit from surgery...
April 17, 2017: Neurosurgery
https://www.readbyqxmd.com/read/28419357/stereoelectroencephalography-using-magnetic-resonance-angiography-for-avascular-trajectory-planning-technical-report
#20
Krasimir Minkin, Kaloyan Gabrovski, Marin Penkov, Yuri Todorov, Rositsa Tanova, Yoana Milenova, Kiril Romansky, Petia Dimova
BACKGROUND: Stereoelectroencephalography (SEEG) requires high-quality angiographic studies because avascular trajectory planning is a prerequisite for the safety of this procedure. Some epilepsy surgery groups have begun to use computed tomography angiography and magnetic resonance T1-weighted sequence with contrast enhancement for this purpose. OBJECTIVE: To present the first series of patients with avascular trajectory planning of SEEG based on magnetic resonance angiography (MRA)...
April 13, 2017: Neurosurgery
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