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Journal of Neurosurgery

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https://www.readbyqxmd.com/read/28093032/editorial-myoelectric-functional-hand-prosthesis-for-total-brachial-plexus-injury
#1
Mustafa Nadi, Rajiv Midha
No abstract text is available yet for this article.
January 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28093018/algorithm-for-bionic-hand-reconstruction-in-patients-with-global-brachial-plexopathies
#2
Laura A Hruby, Agnes Sturma, Johannes A Mayer, Anna Pittermann, Stefan Salminger, Oskar C Aszmann
OBJECTIVE Global brachial plexus lesions with multiple root avulsions are among the most severe nerve injuries, leading to lifelong disability. Fortunately, in most cases primary and secondary reconstructions provide a stable shoulder and restore sufficient arm function. Restoration of biological hand function, however, remains a reconstructive goal that is difficult to reach. The recently introduced concept of bionic reconstruction overcomes biological limitations of classic reconstructive surgery to restore hand function by combining selective nerve and muscle transfers with elective amputation of the functionless hand and its replacement with a prosthetic device...
January 17, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084917/letter-to-the-editor-mannitol-for-intraoperative-brain-relaxation
#3
Raman A Mahalangikar, Pankaj Kumar Singh, Shashwat Mishra, Bhawani Shanker Sharma
No abstract text is available yet for this article.
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084916/superior-semicircular-canal-dehiscence-syndrome
#4
Wenya Linda Bi, Ryan Brewster, Dennis Poe, David Vernick, Daniel J Lee, C Eduardo Corrales, Ian F Dunn
Superior semicircular canal dehiscence (SSCD) syndrome is an increasingly recognized cause of vestibular and/or auditory symptoms in both adults and children. These symptoms are believed to result from the presence of a pathological mobile "third window" into the labyrinth due to deficiency in the osseous shell, leading to inadvertent hydroacoustic transmissions through the cochlea and labyrinth. The most common bony defect of the superior canal is found over the arcuate eminence, with rare cases involving the posteromedial limb of the superior canal associated with the superior petrosal sinus...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084915/trigeminal-neuralgia-and-neuropathy-in-large-sporadic-vestibular-schwannomas
#5
Brian A Neff, Matthew L Carlson, Megan M O'Byrne, Jamie J Van Gompel, Colin L W Driscoll, Michael J Link
OBJECTIVE The aim of this study was to evaluate the incidence, presentation, and treatment outcomes of trigeminal nerve-mediated symptoms secondary to large vestibular schwannomas (VSs) with trigeminal nerve contact. Specifically, the symptomatic results of pain, paresthesias, and numbness after microsurgical resection or stereotactic radiosurgery (SRS) were examined. METHODS The authors conducted a retrospective review of a database for concomitant diagnosis of trigeminal neuralgia (TN) or trigeminal neuropathy and VS between 1994 and 2014 at a tertiary academic center...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084914/characterizing-and-predicting-the-nelson-salassa-syndrome
#6
Christopher S Graffeo, Avital Perry, Lucas P Carlstrom, Fredric B Meyer, John L D Atkinson, Dana Erickson, Todd B Nippoldt, William F Young, Bruce E Pollock, Jamie J Van Gompel
OBJECTIVE Nelson-Salassa syndrome (NSS) is a rare consequence of bilateral adrenalectomy (ADX) for refractory hypercortisolism due to Cushing disease (CD). Although classically defined by rapid growth of a large, invasive, adrenocorticotropin hormone (ACTH)-secreting pituitary tumor after bilateral ADX that causes cutaneous hyperpigmentation, visual disturbance, and high levels of ACTH, clinical experience suggests more variability. METHODS The authors conducted a retrospective chart review of all patients 18 years and older with a history of bilateral ADX for CD, adequate pituitary MRI, and at least 2 years of clinical follow-up...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084913/letter-to-the-editor-unilateral-or-bilateral-drainage-for-chronic-subdural-hematoma
#7
Chinmaya Dash, Raghav Singla
No abstract text is available yet for this article.
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084912/external-ventricular-drain-practice-variations-results-from-a-nationwide-survey
#8
Griffin R Baum, Kristopher G Hooten, Dennis T Lockney, Kyle M Fargen, Nefize Turan, Gustavo Pradilla, Gregory J A Murad, Robert E Harbaugh, Michael Glantz
OBJECTIVE While guidelines exist for many neurosurgical procedures, external ventricular drain (EVD) insertion has yet to be standardized. The goal of this study was to survey the neurosurgical community and determine the most frequent EVD insertion practices. The hypothesis was that there would be no standard practices identified for EVD insertion or methods to avoid EVD-associated infections. METHODS The American Association of Neurological Surgeons membership database was queried for all eligible neurosurgeons...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084911/anterior-interhemispheric-transsplenial-approach-to-pineal-region-tumors-anatomical-study-and-illustrative-case
#9
Kaan Yağmurlu, Hasan A Zaidi, M Yashar S Kalani, Albert L Rhoton, Mark C Preul, Robert F Spetzler
Pineal region tumors are challenging to access because they are centrally located within the calvaria and surrounded by critical neurovascular structures. The goal of this work is to describe a new surgical trajectory, the anterior interhemispheric transsplenial approach, to the pineal region and falcotentorial junction area. To demonstrate this approach, the authors examined 7 adult formalin-fixed silicone-injected cadaveric heads and 2 fresh human brain specimens. One representative case of falcotentorial meningioma treated through an anterior interhemispheric transsplenial approach is also described...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084910/early-and-late-epilepsy-surgery-in-focal-epilepsies-associated-with-long-term-epilepsy-associated-tumors
#10
Veronica Pelliccia, Francesco Deleo, Francesca Gozzo, Ivana Sartori, Roberto Mai, Massimo Cossu, Laura Tassi
OBJECTIVE Epilepsy surgery is an effective means of treating focal epilepsy associated with long-term epilepsy-associated tumors. This study evaluated a large population of surgically treated patients with childhood onset of epilepsy and a histologically confirmed diagnosis of long-term epilepsy-associated tumors. The authors analyzed long-term seizure outcomes to establish whether the time of surgery and patients' ages were determinant factors. METHODS The authors separately investigated several presurgical, surgical, and postsurgical variables in patients operated on before (pediatric group) and at or after (adult group) the age of 18 years...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084909/comparison-of-endovascular-and-microsurgical-management-of-208-basilar-apex-aneurysms
#11
Bradley N Bohnstedt, Mary Ziemba-Davis, Rishabh Sethia, Troy D Payner, Andrew DeNardo, John Scott, Aaron A Cohen-Gadol
OBJECTIVE The deep and difficult-to-reach location of basilar apex aneurysms, along with their location near critical adjacent perforating arteries, has rendered the perception that microsurgical treatment of these aneurysms is risky. As a result, these aneurysms are considered more suitable for treatment by endovascular intervention. The authors attempt to compare the immediate and long-term outcomes of microsurgery versus endovascular therapy for this aneurysm subtype. METHODS A prospectively maintained database of 208 consecutive patients treated for basilar apex aneurysms between 2000 and 2012 was reviewed...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084908/a-novel-weighted-scoring-system-for-estimating-the-risk-of-rapid-growth-in-untreated-intracranial-meningiomas
#12
Eun Jung Lee, Jeong Hoon Kim, Eun Suk Park, Young-Hoon Kim, Jae Koo Lee, Seok Ho Hong, Young Hyun Cho, Chang Jin Kim
OBJECTIVE Advances in neuroimaging techniques have led to the increased detection of asymptomatic intracranial meningiomas (IMs). Despite several studies on the natural history of IMs, a comprehensive evaluation method for estimating the growth potential of these tumors, based on the relative weight of each risk factor, has not been developed. The aim of this study was to develop a weighted scoring system that estimates the risk of rapid tumor growth to aid treatment decision making. METHODS The authors performed a retrospective analysis of 232 patients with presumed IM who had been prospectively followed up in the absence of treatment from 1997 to 2013...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084907/academic-impact-and-rankings-of-neuroendovascular-fellowship-programs-across-the-united-states
#13
Ashish Sonig, Hussain Shallwani, Bennett R Levy, Hakeem J Shakir, Adnan H Siddiqui
OBJECTIVE Publication has become a major criterion of success in the competitive academic environment of neurosurgery. This is the first study that has used departmental h index-and e index-based matrices to assess the academic output of neuroendovascular, neurointerventional, and interventional radiology fellowship programs across the continental US. METHODS Fellowship program listings were identified from academic and organization websites. Details for 37 programs were available. Bibliometric data for these programs were gathered from the Thomson Reuters Web of Science database...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28084906/endoscopic-endonasal-approach-to-the-ventral-brainstem-anatomical-feasibility-and-surgical-limitations
#14
Walid I Essayed, Harminder Singh, Gennaro Lapadula, Gustavo J Almodovar-Mercado, Vijay K Anand, Theodore H Schwartz
OBJECTIVE Sporadic cases of endonasal intraaxial brainstem surgery have been reported in the recent literature. The authors endeavored to assess the feasibility and limitations of endonasal endoscopic surgery for approaching lesions in the ventral portion of the brainstem. METHODS Five human cadaveric heads were used to assess the anatomy and to record various measurements. Extended transsphenoidal and transclival approaches were performed. After exposing the brainstem, white matter dissection was attempted through this endoscopic window, and additional key measurements were taken...
January 13, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059664/navigated-transcranial-magnetic-stimulation-for-glioma-removal-prognostic-value-in-motor-function-recovery-from-postsurgical-neurological-deficits
#15
Tomokazu Takakura, Yoshihiro Muragaki, Manabu Tamura, Takashi Maruyama, Masayuki Nitta, Chiharu Niki, Takakazu Kawamata
OBJECTIVE The aim of the present study was to evaluate the usefulness of navigated transcranial magnetic stimulation (nTMS) as a prognostic predictor for upper-extremity motor functional recovery from postsurgical neurological deficits. METHODS Preoperative and postoperative nTMS studies were prospectively applied in 14 patients (mean age 39 ± 12 years) who had intraparenchymal brain neoplasms located within or adjacent to the motor eloquent area in the cerebral hemisphere. Mapping by nTMS was done 3 times, i...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059663/the-effect-of-timing-of-stereotactic-radiosurgery-treatment-of-melanoma-brain-metastases-treated-with-ipilimumab
#16
Or Cohen-Inbar, Han-Hsun Shih, Zhiyuan Xu, David Schlesinger, Jason P Sheehan
OBJECTIVE Melanoma represents the third most common cause of CNS metastases. Immunotherapy has evolved as a treatment option for patients with Stage IV melanoma. Stereotactic radiosurgery (SRS) also elicits an immune response within the brain and may interact with immunotherapy. The authors report on a cohort of patients treated for brain metastases with immunotherapy and evaluate the effect of SRS timing on the intracranial response. METHODS All consecutively treated melanoma patients receiving ipilimumab and SRS for treatment of brain metastases at the University of Virginia between 2009 and 2014 were included in this retrospective analysis; data from 46 patients harboring 232 brain metastases were reviewed...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059662/emergency-department-evaluation-and-30-day-readmission-after-craniotomy-for-primary-brain-tumor-resection-in-new-york-state
#17
Symeon Missios, Kimon Bekelis
OBJECTIVE Fragmentation of care has been recognized as a major contributor to 30-day readmissions after surgical procedures. The authors investigated the association of evaluation in the hospital where the original procedure was performed with the rate of 30-day readmissions for patients presenting to the emergency department (ED) after craniotomy for primary brain tumor resection. METHODS A cohort study was conducted, involving patients who were evaluated in the ED within 30 days after discharge following a craniotomy for primary brain tumor resection between 2009 and 2013, and who were registered in the Statewide Planning and Research Cooperative System (SPARCS) database of New York State...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059661/intravenous-infusion-of-mesenchymal-stem-cells-inhibits-intracranial-hemorrhage-after-recombinant-tissue-plasminogen-activator-therapy-for-transient-middle-cerebral-artery-occlusion-in-rats
#18
Masahito Nakazaki, Masanori Sasaki, Yuko Kataoka-Sasaki, Shinichi Oka, Takahiro Namioka, Ai Namioka, Rie Onodera, Junpei Suzuki, Yuichi Sasaki, Hiroshi Nagahama, Takeshi Mikami, Masahiko Wanibuchi, Jeffery D Kocsis, Osamu Honmou
OBJECTIVE Reperfusion therapy with intravenous recombinant tissue plasminogen activator (rtPA) is the standard of care for acute ischemic stroke. However, hemorrhagic complications can result. Intravenous infusion of mesenchymal stem cells (MSCs) reduces stroke volume and improves behavioral function in experimental stroke models. One suggested therapeutic mechanism is inhibition of vascular endothelial dysfunction. The objective of this study was to determine whether MSCs suppress hemorrhagic events after rtPA therapy in the acute phase of transient middle cerebral artery occlusion (tMCAO) in rats...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059660/effects-of-decompressive-craniectomy-on-functional-outcomes-and-death-in-poor-grade-aneurysmal-subarachnoid-hemorrhage-a-systematic-review-and-meta-analysis
#19
Naif M Alotaibi, Ghassan Awad Elkarim, Nardin Samuel, Oliver G S Ayling, Daipayan Guha, Aria Fallah, Abdulrahman Aldakkan, Blessing N R Jaja, Airton Leonardo de Oliveira Manoel, George M Ibrahim, R Loch Macdonald
OBJECTIVE Patients with poor-grade aneurysmal subarachnoid hemorrhage (aSAH) (World Federation of Neurosurgical Societies Grade IV or V) are often considered for decompressive craniectomy (DC) as a rescue therapy for refractory intracranial hypertension. The authors performed a systematic review and meta-analysis to assess the impact of DC on functional outcome and death in patients after poor-grade aSAH. METHODS A systematic review and meta-analysis were performed in accordance with the Preferred Reporting Items for Systematic Reviews and Meta-Analyses (PRISMA) guidelines...
January 6, 2017: Journal of Neurosurgery
https://www.readbyqxmd.com/read/28059659/antiplatelet-therapy-for-the-prevention-of-peri-coiling-thromboembolism-in-high-risk-patients-with-ruptured-intracranial-aneurysms
#20
Nancy J Edwards, Wesley H Jones, Aditya Sanzgiri, Juan Corona, Mark Dannenbaum, Peng Roc Chen
OBJECTIVE The most frequent procedural complication of the endovascular treatment of intracranial aneurysms is a thromboembolic event (TEE); in a subset of patients, such events will cause permanent neurological disability. In patients with unruptured aneurysms, increasing evidence supports the use of periprocedural antiplatelet therapy to prevent TEEs. The object of this study was to evaluate whether patients with ruptured aneurysms and subarachnoid hemorrhage would also benefit from periprocedural antiplatelet therapy...
January 6, 2017: Journal of Neurosurgery
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