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Operative Neurosurgery (Hagerstown, Md.)

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https://www.readbyqxmd.com/read/29982804/letter-superficial-temporal-artery-distal-posterior-cerebral-artery-bypass-through-the-subtemporal-approach-technical-note-and-pilot-surgical-cases
#1
Barbara Verbraeken, Rabih Aboukais, Jean-Paul Lejeune, Anton Lukes, Tomas Menovsky
No abstract text is available yet for this article.
July 5, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29982698/in-reply-superficial-temporal-artery-distal-posterior-cerebral-artery-bypass-through-the-subtemporal-approach-technical-note-and-pilot-surgical-cases
#2
Akitsugu Kawashima, Hugo Andrade-Barazarte, Behnam Rezai Jahromi, Takakazu Kawamata, Juha A Hernesniemi
No abstract text is available yet for this article.
July 5, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29917106/microsurgical-clipping-of-ruptured-distal-posterior-inferior-cerebellar-artery-aneurysm-3-dimensional-operative-video
#3
Ricardo Chmelnitsky Wainberg, Marcos Devanir Silva da Costa, Yair A Ugalde Hernández, Ricardo Lourenço Caramanti, César Augusto Ferreira Alves Filho, Helbert Palmiero, Ricardo Pagung Saick, Feres Chaddad-Neto
The distal posterior inferior cerebellar artery (PICA) is a rare site of aneurysm formation. Only small case series and case reports regarding surgical treatment are found in the literature.The PICA is divided into 5 segments (anterior medullary, lateral medullary, tonsilomedullary, telovelotonsillary, and cortical), and the distal ones represent the most complex, due to anatomic variations. We present a case of a 69-yr-old female patient who has suffered from a sudden and intense occipital headache, associated with nausea and vomiting...
June 18, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29920605/extended-asymmetrical-pedicle-subtraction-osteotomy-for-adult-spinal-deformity-2-dimensional-operative-video
#4
Thomas J Buell, Avery L Buchholz, John C Quinn, Jeffrey P Mullin, Juanita Garces, Marcus D Mazur, Mark E Shaffrey, Chun-Po Yen, Christopher I Shaffrey, Justin S Smith
Pedicle subtraction osteotomy (PSO) is an effective technique to correct fixed sagittal malalignment. A variation of this technique, the "trans-discal" or "extended" PSO (Schwab grade IV osteotomy), involves extending the posterior wedge resection of the index vertebra to include the superior adjacent disc for radical discectomy. The posterior wedge may be resected in asymmetric fashion to correct concurrent global coronal malalignment.This video illustrates the technical nuances of an extended asymmetrical lumbar PSO for adult spinal deformity...
June 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29920593/radial-artery-fascial-flow-through-free-flap-for-complex-cerebral-revascularization-technical-notes-and-long-term-neurologic-and-radiographic-outcomes
#5
Robert C Rennert, Kristine Ravina, Ben A Strickland, Joshua Bakhsheshian, Joseph Carey, Jonathan J Russin
BACKGROUND: Surgical innovation is critical for the management of challenging cerebrovascular pathology. Flow-through free flaps are versatile composite grafts that combine viable tissue with a revascularization source. Neurosurgical experience with these flaps is limited. OBJECTIVE: To provide an in-depth technical description of the radial artery fascial (and fasciocutaneous) flow-through free flap (RAFF and RAFCF, respectively) for complex cerebral revascularizations...
June 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29920586/determining-the-rotational-orientation-of-directional-deep-brain-stimulation-leads-employing-flat-panel-computed-tomography
#6
Stefan Hunsche, Clemens Neudorfer, Faycal El Majdoub, Mohammad Maarouf, Dieter Sauner
BACKGROUND: Directional deep brain stimulation (DBS) constitutes an emerging technology that allows selective stimulation of target structures via partitioned electrode contacts. In order to effectively perform target-tailored stimulation, knowledge of the rotational orientation of the segmented leads is imperative. OBJECTIVE: To develop a universally applicable and reliable method for determination of lead orientation angles in DBS using flat-panel computed tomography (fpCT)...
June 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29920585/endoscopic-resection-of-hemorrhaged-third-ventricle-cavernous-malformation-2-dimensional-operative-video
#7
Giorgio Palandri, Thomas Sorenson, Mino Zucchelli, Nicola Acciarri, Paolo Mantovani, Carmelo Sturiale
Cavernous malformations of the third ventricle are uncommon vascular lesions. Evidence suggests that cavernous malformations in this location might have a more aggressive natural history due to their risk of intraventricular hemorrhage and hydrocephalus.1 The gold standard of treatment is considered to be microsurgical gross total resection of the lesion. However, with progressive improvement in endoscopic capabilities, several authors have recently advocated for the role of minimally-invasive neuroendoscopy for resecting intraventricular cavernous malformations...
June 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29920583/5-aminolevulinic-acid-induced-fluorescence-in-focal-cortical-dysplasia-report-of-3-cases
#8
David W Roberts, Jaime J Bravo, Jonathan D Olson, William F Hickey, Brent T Harris, Lananh N Nguyen, Jennifer Hong, Linton T Evans, Xiaoyao Fan, Dennis Wirth, Brian C Wilson, Keith D Paulsen
BACKGROUND: Three patients enrolled in a clinical trial of 5-aminolevulinic-acid (5-ALA)-induced fluorescence-guidance, which has been demonstrated to facilitate intracranial tumor resection, were found on neuropathological examination to have focal cortical dysplasia (FCD). OBJECTIVE: To evaluate in this case series visible fluorescence and quantitative levels of protoporphyrin IX (PpIX) during surgery and correlate these findings with preoperative magnetic resonance imaging (MRI) and histopathology...
June 16, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29905877/transsylvian-transinsular-approach-for-an-insular-cavernous-malformation-resection-3-dimensional-operative-video
#9
Justin Mascitelli, Sirin Gandhi, Ernest Wright, Michael T Lawton
Surgical resection of insular lesions is challenging due to their proximity to critical neurovascular structures such as the middle cerebral arteries (MCA), Sylvian veins, thalamus, internal capsule (IC), and lenticulostriate arteries. A surgical series using the transsylvian-transinsular approach to treat cerebrovascular pathologies reported ∼5% permanent neurological morbidity.1,2 This case demonstrates the utility of this approach for resecting an insular cavernous malformation (CM).A 25-yr-old female presented with an acute-onset right homonymous hemianopsia...
June 14, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29905850/predictors-of-recurrence-progression-and-retreatment-in-basilar-tip-aneurysms-a-location-controlled-analysis
#10
Isaac Josh Abecassis, Rajeev D Sen, Jason Barber, Rakshith Shetty, Cory M Kelly, Basavaraj V Ghodke, Danial K Hallam, Michael R Levitt, Louis J Kim, Laligam N Sekhar
BACKGROUND: Endovascular treatment of intracranial aneurysms is associated with higher rates of recurrence and retreatment, though contemporary rates and risk factors for basilar tip aneurysms (BTAs) are less well-described. OBJECTIVE: To characterize progression, retreatement, and retreated progression of BTAs treated with microsurgical or endovascular interventions. METHODS: We retrospectively reviewed records for 141 consecutive BTA patients...
June 14, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29905841/posterior-fossa-craniotomy-for-adherent-fourth-ventricle-neurocysticercosis
#11
Lynze R Franko, Balaji Pandian, Avneesh Gupta, Luis E Savastano, Kevin S Chen, James Riddell, Daniel A Orringer
BACKGROUND AND IMPORTANCE: Neurocysticercosis (NCC) is an infectious helminthic disease often presenting in patients who have immigration or travel history from areas where NCC is endemic. Fourth ventricle cysts from NCC pose a unique treatment challenge, as there is little consensus on the best treatment. This case study describes the treatment of a patient with fourth ventricle neurocysticercosis (FVNCC), examines the therapeutic decision-making, and provides a video of a posterior fossa craniotomy (PFC) resection of a degenerative cyst...
June 14, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29897605/intraoperative-fluorescence-cerebral-angiography-by-laser-surgical-microscopy-comparison-with-xenon-microscopy-and-simultaneous-observation-of-cerebral-blood-flow-and-surrounding-structures
#12
Yuhei Ito, Kyouichi Suzuki, Tsuyoshi Ichikawa, Yoichi Watanabe, Taku Sato, Jun Sakuma, Kiyoshi Saito
BACKGROUND: Laser surgical microscopes should enable uniform illumination of the operative field, and require less luminous energy compared with existing xenon surgical microscopes. OBJECTIVE: To examine the utility of laser illumination in fluorescence cerebral angiography. METHODS: Fluorescein sodium (fluorescein) was used as a fluorescent dye. We first compared the clarity of cerebral blood flow images collected by fluorescence angiography between the laser illumination and xenon illumination methods...
June 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29897545/intraoperative-assessment-of-cortical-perfusion-after-intracranial-to-intracranial-and-extracranial-to-intracranial-bypass-for-complex-cerebral-aneurysms-using-flow-800
#13
Robert C Rennert, Ben A Strickland, Kristine Ravina, Joshua Bakhsheshian, Vance Fredrickson, Joseph Carey, Jonathan J Russin
BACKGROUND: Revascularization strategies for complex cerebral aneurysms are largely based on subjective interpretation of flow demands, or indirect measures of perfusion in at-risk territories. Indocyanine Green -based flow analyses ((ICG-BFA); Flow 800, Carl Zeiss, Oberkochen, Germany) provide a real-time, semiquantitative measure of intraoperative cortical perfusion during cerebral bypass surgery for complex aneurysms. OBJECTIVE: To determine the utility of intraoperative ICG-BFA for assessing cortical perfusion in at-risk territories during cerebral bypass for complex aneurysms requiring vessel sacrifice...
June 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29897505/comprehensive-drilling-of-c1-2-facets-and-multiplanar-realignment-for-atlanto-axial-dislocation-and-basilar-invagination-2-dimensional-operative-video
#14
Pravin Salunke, Sushanta K Sahoo
The management for congenital atlantoaxial dislocation (AAD) and basilar invagination (BI) has significantly changed in the last 2 decades. Authors operate these cases through a direct posterior approach by opening and manipulating the C1-2 joints (irrespective of C1 assimilation), modifying Goel's technique. The joints in these cases are often oblique in both sagittal and coronal planes giving rise to anteroposterior and vertical slip of C1 on C2. Asymmetry on either side gives rise to coronal/lateral angular tilt along with rotational component...
June 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29893955/endoscopic-endonasal-focal-transclival-medial-condylectomy-approach-for-resection-of-a-foramen-magnum-meningioma-2-dimensional-operative-video
#15
Juan M Revuelta Barbero, Alaa S Montaser, Mostafa Shahein, André Beer-Furlan, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
The endoscopic endonasal approach (EEA) provides direct access to foramen magnum meningiomas; however, it often requires extensive exposure including septal flap elevation with septum removal, complete sphenoidotomy, and panclivectomy.We present a case of a 54-yr-old-female with an incidental foramen magnum lesion followed up with serial imaging who presented 10 mo later with progressive neck discomfort and episodes of dizziness, with confirmed tumor progression and further brainstem compression. A focal transclival EEA with medial condylectomy was performed preserving the upper two-thirds of the clivus, the nasal septum, and the sphenoid sinus...
June 11, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29889286/middle-fossa-approach-for-resection-of-vestibular-schwannomas-a-decade-of-experience
#16
Jennifer A Kosty, Shawn M Stevens, Yair M Gozal, Vincent A DiNapoli, Smruti K Patel, Justin S Golub, Norberto O Andaluz, Myles Pensak, Mario Zuccarello, Ravi N Samy
BACKGROUND: The middle cranial fossa (MCF) approach is a challenging surgical technique for the resection of small and intermediate sized, primarily intracanalicular, vestibular schwannomas (VS), with the goal of hearing preservation (HP). OBJECTIVE: To describe a decade-long, single institutional experience with the MCF approach for resection of VS. METHODS: This is a retrospective cohort study of 63 patients who underwent the MCF approach for resection of VS from 2006 to 2016...
June 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29889256/hybrid-therapy-for-metastatic-epidural-spinal-cord-compression-technique-for-separation-surgery-and-spine-radiosurgery
#17
Ori Barzilai, Ilya Laufer, Adam Robin, Ran Xu, Yoshiya Yamada, Mark H Bilsky
BACKGROUND: Despite major advances in radiation and systemic treatments, surgery remains a critical step in the multidisciplinary treatment of metastatic spinal cord tumors. OBJECTIVE: To describe the indications, rationale, and technique of "hybrid therapy" (separation surgery and concomitant spine stereotactic radiosurgery [SRS]) along with practical nuances. METHODS: Separation surgery describes a posterolateral approach for circumferential epidural decompression and stabilization...
June 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29878277/left-transsylvian-transcisternal-and-transinferior-insular-sulcus-approach-for-resection-of-uncohippocampal-tumor-3-dimensional-operative-video
#18
Juan C Fernandez-Miranda
The medial temporal lobe can be divided in anterior, middle, and posterior segments. The anterior segment is formed by the uncus and hippocampal head, and it has extra and intraventricular structures. There are 2 main approaches to the uncohippocampal region, the anteromedial temporal lobectomy (Spencer's technique) and the transsylvian selective amygdalohippocampectomy (Yasargil's technique).In this video, we present the case of a 29-yr-old man with new onset of generalized seizures and a contrast-enhancing lesion in the left anterior segment of the medial temporal lobe compatible with high-grade glioma...
June 7, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29878252/in-reply-microsurgical-clipping-of-an-anterior-communicating-artery-aneurysm-using-a-novel-robotic-visualization-tool-in-lieu-of-the-binocular-operating-microscope-operative-video
#19
Daniel R Klinger, Kevin A Reinard, Olaide O Ajayi, Johnny B Delashaw
No abstract text is available yet for this article.
June 7, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29873789/brain-tectal-tumors-a-flexible-approach
#20
Alessandro Perin, Tommaso Francesco Galbiati, Cecilia Casali, Federico Giuseppe Legnani, Luca Mattei, Francesco Ugo Prada, Marco Saini, Andrea Saladino, Nicole Riker, Francesco DiMeco
BACKGROUND AND IMPORTANCE: Mesencephalic tectal gliomas represent a subset of midbrain tumors, which are more frequent in children than in adults. They usually become symptomatic when causing hydrocephalus by occluding the aqueduct. Because of their slow progression, due to their benign histology, they are characterized by a relatively good prognosis, although hydrocephalus might jeopardize patients' prognosis. Treatment is usually represented by cerebrospinal fluid diversion associated or not with biopsy...
June 5, 2018: Operative Neurosurgery (Hagerstown, Md.)
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