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Journal of Neurosurgery

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https://www.readbyqxmd.com/read/30215567/-reinventing-the-wheel-reflections-on-a-recurrent-phenomenon-in-the-history-of-neurosurgery
#1
Tobias A Mattei
No abstract text is available yet for this article.
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215566/results-of-gamma-knife-anterior-capsulotomy-for-refractory-obsessive-compulsive-disorder-results-in-a-series-of-10-consecutive-patients
#2
Giorgio Spatola, Roberto Martinez-Alvarez, Nuria Martínez-Moreno, German Rey, Juan Linera, Marcos Rios-Lago, Marta Sanz, Jorge Gutiérrez, Pablo Vidal, Raphaëlle Richieri, Jean Régis
OBJECTIVE Obsessive-compulsive disorder (OCD) is a severe psychiatric condition. The authors present their experience with Gamma Knife radiosurgery (GKRS) in the treatment of patients with OCD resistant to any medical therapy. METHODS Patients with severe OCD resistant to all pharmacological and psychiatric treatments who were treated with anterior GKRS capsulotomy were retrospectively reviewed. These patients were submitted to a physical, neurological, and neuropsychological examination together with structural and functional MRI before and after GKRS treatment...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215565/developing-an-optimal-follow-up-strategy-based-on-the-natural-history-of-nonfunctioning-pituitary-adenomas
#3
Jung Hee Kim, Yun-Sik Dho, Yong Hwy Kim, Jung Hyun Lee, Ji Hyun Lee, A Ram Hong, Chan Soo Shin
OBJECTIVE The natural history and proper algorithm for follow-up testing of nonfunctioning pituitary adenomas (PAs) are not well known, despite their relatively high prevalence. The aim of this study was to suggest the optimal follow-up algorithm for nonfunctioning PAs based on their natural history. METHODS The authors followed up 197 patients with nonfunctioning PAs that had not been treated (including surgery and radiation therapy) at the time of detection, in a single center, between March 2000 and February 2017...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215564/letter-to-the-editor-atypical-pituitary-adenoma
#4
Lauren E Rotman, T Brooks Vaughan, James R Hackney, Kristen O Riley
No abstract text is available yet for this article.
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215563/growth-and-rupture-of-unruptured-intracranial-aneurysms
#5
Seppo Juvela
OBJECTIVE Risk factors for growth of unruptured intracranial aneurysms (UIAs) during a lifelong follow-up in relation to subsequent rupture are unknown. The author's aim in this study was to investigate whether risk factors for UIA growth are different for those that lead to rupture than for those that do not. METHODS The series consists of 87 patients with 111 UIAs diagnosed before 1979, when UIAs were not treated. A total follow-up time of the patients was 2648 person-years for all-cause death and 2182 years when patients were monitored until the first rupture, death due to unrelated causes, or the last contact (annual incidence of aneurysm rupture, 1...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215562/routine-screening-for-hepatitis-c-viral-infection-in-patients-undergoing-elective-cranial-neurosurgery
#6
Eric S Nussbaum, Kevin Kallmes, Jodi Lowary, Leslie A Nussbaum
OBJECTIVE Undiagnosed hepatitis C virus (HCV) and HIV in patients present risks of transmission of bloodborne infections to surgeons intraoperatively. Presurgical screening has been suggested as a protocol to protect surgical staff from these pathogens. The authors sought to determine the incidence of HCV and HIV infection in elective craniotomy patients and analyze the cost-effectiveness of universal and risk factor-specific screening for protection of the surgical staff. METHODS All patients undergoing elective craniotomy between July 2009 and July 2016 at the National Brain Aneurysm Center who did not refuse screening were included in this study...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215561/entrapped-ulnar-nerve-by-flexor-carpi-ulnaris-tendon-case-illustration
#7
Marie-Christine Brunet, Hélène T Khuong
No abstract text is available yet for this article.
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215560/surgical-management-of-camptocormia-in-parkinson-s-disease-systematic-review-and-meta-analysis
#8
Andrew K Chan, Alvin Y Chan, Darryl Lau, Beata Durcanova, Catherine A Miller, Paul S Larson, Philip A Starr, Praveen V Mummaneni
OBJECTIVE Camptocormia is a potentially debilitating condition in the progression of Parkinson's disease (PD). It is described as an abnormal forward flexion while standing that resolves when lying supine. Although the condition is relatively common, the underlying pathophysiology and optimal treatment strategy are unclear. In this study, the authors systematically reviewed the current surgical management strategies for camptocormia. METHODS PubMed was queried for primary studies involving surgical intervention for camptocormia in PD patients...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215559/intracranial-pressure-elevations-in-diffuse-axonal-injury-association-with-nonhemorrhagic-mr-lesions-in-central-mesencephalic-structures
#9
Sami Abu Hamdeh, Niklas Marklund, Anders Lewén, Tim Howells, Raili Raininko, Johan Wikström, Per Enblad
OBJECTIVE Increased intracranial pressure (ICP) in patients with severe traumatic brain injury (TBI) with diffuse axonal injury (DAI) is not well defined. This study investigated the occurrence of increased ICP and whether clinical factors and lesion localization on MRI were associated with increased ICP in patients with DAI. METHODS Fifty-two patients with severe TBI (median age 24 years, range 9-61 years), who had undergone ICP monitoring and had DAI on MRI, as determined using T2*-weighted gradient echo, susceptibility-weighted imaging, and diffusion-weighted imaging (DWI) sequences, were enrolled...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215558/growth-hormone-and-prolactin-staining-tumors-causing-acromegaly-a-retrospective-review-of-clinical-presentations-and-surgical-outcomes
#10
Jonathan Rick, Arman Jahangiri, Patrick M Flanigan, Ankush Chandra, Sandeep Kunwar, Lewis Blevins, Manish K Aghi
OBJECTIVE Acromegaly results in disfiguring growth and numerous medical complications. This disease is typically caused by growth hormone (GH)-secreting pituitary adenomas, which are treated first by resection, followed by radiation and/or medical therapy if needed. A subset of acromegalics have dual-staining pituitary adenomas (DSPAs), which stain for GH and prolactin. Presentations and treatment outcomes for acromegalics with DSPAs are not well understood. METHODS The authors retrospectively reviewed the records of more than 5 years of pituitary adenomas resected at their institution...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215557/a-rat-study-of-the-use-of-end-to-side-peripheral-nerve-repair-as-a-babysitting-technique-to-reduce-the-deleterious-effect-of-chronic-denervation
#11
Olawale A R Sulaiman, Tessa Gordon
OBJECTIVE Functional recovery is disappointing after surgical repair of nerves that are injured far from their target organs and/or after delayed repair. In the former case, a nerve transfer that transects a distal nerve fascicle to innervate denervated targets is one strategy to promote nerve regeneration and functional recovery. An alternate strategy tested in this study is to perform an end-to-side neurorrhaphy to "babysit" (protect) the denervated distal nerve stump at the time of nerve repair and reduce the deleterious effect of chronic denervation on nerve regeneration...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215556/an-estimation-of-global-volume-of-surgically-treatable-epilepsy-based-on-a-systematic-review-and-meta-analysis-of-epilepsy
#12
Kerry A Vaughan, Christian Lopez Ramos, Vivek P Buch, Rania A Mekary, Julia R Amundson, Meghal Shah, Abbas Rattani, Michael C Dewan, Kee B Park
OBJECTIVE Epilepsy is one of the most common neurological disorders, yet its global surgical burden has yet to be characterized. The authors sought to compile the most current epidemiological data to quantify global prevalence and incidence, and estimate global surgically treatable epilepsy. Understanding regional and global epilepsy trends and potential surgical volume is crucial for future policy efforts and resource allocation. METHODS The authors performed a systematic literature review and meta-analysis to determine the global incidence, lifetime prevalence, and active prevalence of epilepsy; to estimate surgically treatable epilepsy volume; and to evaluate regional trends by WHO regions and World Bank income levels...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215555/clinical-and-ophthalmological-outcome-of-endoscopic-transorbital-surgery-for-cranioorbital-tumors
#13
Doo-Sik Kong, Stephanie Ming Young, Chang-Ki Hong, Yoon-Duck Kim, Sang Duk Hong, Jung Won Choi, Ho Jun Seol, Jung-Il Lee, Hyung Jin Shin, Do-Hyun Nam, Kyung In Woo
OBJECTIVE Cranioorbital tumors are complex lesions that involve the deep orbit, floor of the frontal bone, and lesser and greater wing of the sphenoid bone. The purpose of this study was to describe the clinical and ophthalmological outcomes with an endoscopic transorbital approach (TOA) in the management of cranioorbital tumors involving the deep orbit and intracranial compartment. METHODS The authors performed endoscopic TOAs via the superior eyelid crease incision in 18 patients (16 TOA alone and 2 TOA combined with a simultaneous endonasal endoscopic resection) with cranioorbital tumors from September 2016 to November 2017...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215554/extreme-lateral-transodontoid-approach-to-the-ventral-craniocervical-junction-cadaveric-dissection-and-case-illustrations
#14
Gmaan Alzhrani, Yair M Gozal, Ilyas Eli, Walavan Sivakumar, Amol Raheja, Douglas L Brockmeyer, William T Couldwell
OBJECTIVE Surgical treatment of pathological processes involving the ventral craniocervical junction (CCJ) traditionally involves anterior and posterolateral skull base approaches. In cases of bilateral extension, when lesions extend beyond the midline to the contralateral side, a unilateral corridor may result in suboptimal resection. In these cases, the lateral extent of the tumor will prevent extirpation of the lesion via anterior surgical approaches. The authors describe a unilateral operative corridor developed along an extreme lateral trajectory to the anterior aspect of the clival and upper cervical dura, allowing exposure and resection of tumor on the contralateral side...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30215553/removal-of-giant-intraosseous-meningioma-followed-by-cranioplasty-using-a-custom-made-bioceramic-implant-case-report
#15
Jimmy Sundblom, Daniel Nowinski, Olivera Casar-Borota, Mats Ryttlefors
Intraosseous meningioma of the chordoid type is a rare clinical entity. Radical surgical removal and subsequent cranioplasty is the treatment of choice. Here, the authors report a severe case involving more than 70% of the calvarial surface area, which was removed and repaired using a prefabricated custom-made, titanium-reinforced, bioceramic implant and bone-cutting guides. Tumor removal and good esthetic outcome were achieved, along with a 17.1% increase of intracranial volume. Bioceramic implants have shown promising initial results and may represent an important new tool in the surgeon's armamentarium...
September 14, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30192200/elucidating-the-kinetics-of-sodium-fluorescein-for-fluorescence-guided-surgery-of-glioma
#16
Margaret Folaron, Rendall Strawbridge, Kimberley S Samkoe, Caroline Filan, David W Roberts, Scott C Davis
OBJECTIVE The use of the optical contrast agent sodium fluorescein (NaFl) to guide resection of gliomas has been under investigation for decades. Although this imaging strategy assumes the agent remains confined to the vasculature except in regions of blood-brain barrier (BBB) disruption, clinical studies have reported significant NaFl signal in normal brain tissue, limiting tumor-to-normal contrast. A possible explanation arises from earlier studies, which reported that NaFl exists in both pure and protein-bound forms in the blood, the former being small enough to cross the BBB...
September 7, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30192199/a-comparison-between-threshold-criterion-and-amplitude-criterion-in-transcranial-motor-evoked-potentials-during-surgery-for-supratentorial-lesions
#17
Tammam Abboud, Cindy Schwarz, Manfred Westphal, Tobias Martens
OBJECTIVE The aim of this study was to compare sensitivity and specificity between the novel threshold and amplitude criteria for motor evoked potentials (MEPs) monitoring after transcranial electrical stimulation (TES) during surgery for supratentorial lesions in the same patient cohort. METHODS One hundred twenty-six patients were included. All procedures were performed under general anesthesia. Craniotomies did not expose motor cortex, so that direct mapping was less suitable. After TES, MEPs were recorded bilaterally from abductor pollicis brevis (APB), from orbicularis oris (OO), and/or from tibialis anterior (TA)...
September 7, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30192198/letter-to-the-editor-gamma-knife-surgery-for-trigeminal-pain-due-to-benign-and-malignant-skull-base-tumors
#18
Constantin Tuleasca, David Patin, Marc Levivier
No abstract text is available yet for this article.
September 7, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30192197/utility-and-safety-of-depth-electrodes-within-the-supratemporal-plane-for-intracranial-eeg
#19
Yasunori Nagahama, Alan J Schmitt, Brian J Dlouhy, Adam S Vesole, Phillip E Gander, Christopher K Kovach, Daichi Nakagawa, Mark A Granner, Matthew A Howard, Hiroto Kawasaki
OBJECTIVE The epileptogenic zones in some patients with temporal lobe epilepsy (TLE) involve regions outside the typical extent of anterior temporal lobectomy (i.e., "temporal plus epilepsy"), including portions of the supratemporal plane (STP). Failure to identify this subset of patients and adjust the surgical plan accordingly results in suboptimum surgical outcomes. There are unique technical challenges associated with obtaining recordings from the STP. The authors sought to examine the clinical utility and safety of placing depth electrodes within the STP in patients with TLE...
September 7, 2018: Journal of Neurosurgery
https://www.readbyqxmd.com/read/30192196/a-refined-model-of-chronic-cerebral-hypoperfusion-resulting-in-cognitive-impairment-and-a-low-mortality-rate-in-rats
#20
Ahmed Mansour, Kuniyasu Niizuma, Sherif Rashad, Akira Sumiyoshi, Rie Ryoke, Hidenori Endo, Toshiki Endo, Kenichi Sato, Ryuta Kawashima, Teiji Tominaga
OBJECTIVE The cognitive deficits of vascular dementia and the vasoocclusive state of moyamoya disease have often been mimicked with bilateral stenosis/occlusion of the common carotid artery (CCA) or internal carotid artery. However, the cerebral blood flow (CBF) declines abruptly in these models after ligation of the CCA, which differs from "chronic" cerebral hypoperfusion. While some modified but time-consuming techniques have used staged occlusion of both CCAs, others used microcoils for CCA stenosis, producing an adverse effect on the arterial endothelium...
September 7, 2018: Journal of Neurosurgery
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