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Flow Diversion for the Treatment of Posterior Inferior Cerebellar Aneurysms: A Novel Classification of Posterior Inferior Cerebellar Artery Origin. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-12-01 Anvitha Sathya,Alejandro Enriquez-Marulanda,Michael Young,Max Shutran,Phillip Taussky,Christopher S Ogilvy
BACKGROUND AND OBJECTIVES Flow diversion (FD) for posterior circulation aneurysms, such as proximal posterior inferior cerebellar artery (PICA) aneurysms, remains "off-label" and controversial. Although there are reports of using FD in the vertebral artery (VA) to treat PICA aneurysms, the differences between structural PICA-origin variants have not been explored. We analyzed PICA aneurysms treated
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Radiographic and Clinical Outcomes After Stand-Alone Anterior Lumbar Interbody Fusion for Symptomatic L5-S1 Retrolisthesis. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-12-01 Steve S Cho,S Harrison Farber,Joseph D DiDomenico,Clare W Teng,Marian T Park,Steve W Chang,Laura A Snyder,Zaman Mirzadeh,Juan S Uribe,Jay D Turner
BACKGROUND AND OBJECTIVES Degenerative lumbar spondylolisthesis is associated with significant pain and disability. The literature on the treatment options and clinical outcomes for lumbar anterolisthesis is robust, but very few reports specifically evaluate lumbar retrolisthesis. This study investigated surgical outcomes for symptomatic L5-S1 retrolisthesis treated with stand-alone L5-S1 anterior
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Commentary: Preclinical Evaluation of a Novel Steerable Robotic Neuroendoscope Tool. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-12-01 Peter Theiss,Ali Alaraj
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Placement of a Kickstand Rod in Adult Spinal Deformity Surgery: A Simple 8-Step Process With Intraoperative Images and Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-30 Iyan Younus,Hani Chanbour,Mir Amaan Ali,Scott L Zuckerman
BACKGROUND AND OBJECTIVES In adult spinal deformity (ASD) surgery, operative correction of coronal malalignment remains a challenging surgical task. Given the proven effectiveness and longevity of the kickstand rod (KSR) technique and its powerful ability to correct coronal malalignment, this technique is an important tool to have available. Therefore, we sought to provide a simple 8-step description
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Stable Regional and Global Alignment in Patients Treated With Minimally Invasive Lateral Retropleural Thoracic Diskectomy Without Fixation. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-30 Steve S Cho,S Harrison Farber,James J Zhou,Nima Alan,Luke K O'Neill,Juan P Giraldo,Laura A Snyder,Jay D Turner,Juan S Uribe
BACKGROUND AND OBJECTIVES Thoracic disk herniations are challenging to treat, and open transthoracic or minimally invasive thoracoscopic approaches are associated with significant morbidity, substantial costs, and steep learning curves. The minimally invasive lateral retropleural thoracic diskectomy (MIS-LRP-TD) approach is straightforward and is associated with lower perioperative morbidity. With
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Endoscopic Endonasal Odontoidectomy for Upper Cervical Spine and Brainstem Decompression in a Patient With Goldenhar Syndrome: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-23 Justin Maldonado,J Manuel Revuelta Barbero,Alejandra Rodas,Edoardo Porto,Mariana Agudelo-Arrieta,Youssef Zohdy,Tomas Garzon-Muvdi,C Arturo Solares,Gustavo Pradilla
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Large Suprasellar Dermoid Cyst Excision Through an Endoscopic Transsphenoidal Approach: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-23 Nahom Teferi,Juan Vivanco-Suarez,Brian J Park,Meron Challa,Scott M Graham,Jeremy D W Greenlee
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Interhemispheric Vertical Hemispherotomy: Technique, Outcome, and Pitfalls-A Bicentric Retrospective Case Series of 39 Cases. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-23 Martin Pilioneta,Hsin-Hung Chen,Emma Losito,Marie Bourgeois,Nicole Chémaly,Monika Eiserman,Lelio Guida,Volodia Dangouloff-Ros,Luca Fumagalli,Anna Kaminska,Nathalie Boddaert,Stéphane Auvin,Rima Nabbout,Christian Sainte-Rose,Thomas Blauwblomme
BACKGROUND AND OBJECTIVES When seizure onset affects a whole hemisphere, hemispheric disconnections are efficient and safe procedures. However, both lateral peri-insular hemispherotomy and vertical paramedian hemispherotomy approaches report a failure rate around 20%, which can be explained by residual connections giving rise to persistent seizures. In this study, we present the interhemispheric vertical
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Surgical Obliteration of a Spinal Intradural Direct Arteriovenous Fistula (Type IV): 2-Dimensional Microsurgical Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Esteban Quiceno,Scott Seaman,Amna Hussein,Nader Delavari,Michael Prim,Ali A Baaj,Peter Nakaji
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Thoracic Laminoplasty for Posttraumatic Syrinx Fenestration With Duraplasty, Syringo-Subarachnoid and Subarachnoid-Subarachnoid Shunts: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Vicente de Paulo Martins Coelho,John E O'Toole
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Fully Endoscopic Microvascular Decompression for Trigeminal Neuralgia Caused by Vertebrobasilar Artery: A Case Series Review: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Jinxing Sun,Jiwei Wang,Junheng Jia,Zexin Cao,Zhenke Li,Chao Zhang,Xing Guo,Qianqian Wu,Weiguo Li,Xiangyu Ma
BACKGROUND AND OBJECTIVE Microvascular decompression (MVD) is the most definitive and preferred surgical treatment for trigeminal neuralgia (TN). Treatment of TN caused by the vertebrobasilar artery (VBA) has been reported to be challenging and less satisfactory in complications and recurrence. Endoscopy has been implemented to provide a comprehensive view of neurovascular conflicts and minimize brain
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Anatomic Step-by-Step Dissection of Complex Skull Base Approaches for Trainees: Surgical Anatomy of the Infratemporal Fossa Approach to the Jugular Foramen. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 James R Dornhoffer,Ashley M Nassiri,Maria Peris-Celda,Luciano C Leonel,Matthew L Carlson
BACKGROUND AND OBJECTIVES The infratemporal fossa (ITF) is a complex region bounded by the temporal bone, maxilla, sphenoid, pterygoid plates, and mandibular ramus. Containing a high density of neurovascular and musculoskeletal structures, the ITF can house a number of pathologies, and access is challenging. The ITF approach and its variations can be challenging due to complex anatomy and unfamiliarity
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Surgical Characteristics of Intracranial Biopsy Using a Frameless Stereotactic Robotic Platform: A Single-Center Experience. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Daniel C Kreatsoulas,Joshua Vignolles-Jeong,Yamenah Ambreen,Mark Damante,Asad Akhter,Russell R Lonser,J Bradley Elder
BACKGROUND AND OBJECTIVES Cranial robotics are a burgeoning field of neurosurgery. To date, all cranial robotic systems described have been computerized, arm-based instruments that take up significant space in the operating room. The Medtronic Stealth Autoguide robot has a smaller operating room footprint and offers multiaxial, frame-based surgical targeting. The authors set out to define the surgical
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Utility of Decremental Triggered Electromyogram for Intraoperative Neuromonitoring to Identify Midline in Posterior Myelotomy for Spinal Cord Intramedullary Lesions: Technical Note of a Novel Method. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Rouzbeh Motiei-Langroudi,Uduak-Obong Ekanem
BACKGROUND AND IMPORTANCE Intramedullary spinal cord lesions are eloquent lesions that are surgically resected via posterior midline myelotomy (PMM). This treatment method carries the risk of postoperative neurological deficits. Various intraoperative neuromonitoring techniques have been used to address this concern. Our study aimed to highlight a newly developed monitoring technique (decremental-triggered
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Neurovascular Interventions for Neurotrauma: From Treatment of Injured Vessels to Treatment of the Injured Brain? Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Omer Doron,Aman B Patel,Gregory W J Hawryluk
Traumatic brain injury is often associated with a direct or secondary neurovascular pathology. In this review, we present recent advancements in endovascular neurosurgery that enable accurate and effective vessel reconstruction with emphasis on its role in early diagnosis, the expanding use of flow diversion in pseudoaneurysms, and traumatic arteriovenous fistulas. In addition, future directions in
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Combined Anterior Transpetrosal and Endoscopic-Assisted Retrosigmoid Infralabyrinthine and Infrajugular Approach for Chondrosarcoma: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Walter C Jean,Edinson Najera,Amed Natour,Sean M Parsel,Ravi N Samy
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The Evolution of Surgical Technique in Spinal Cord Stimulation: A Scoping Review. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-17 Lindsay L Bean,Madison Goon,Jesse J McClure,Rodrigo S T Aguiar,Nicholas Kato,Marisa DiMarzio,Julie G Pilitsis
Since the advent of spinal cord stimulation (SCS), its operative technique has consistently advanced. We performed a scoping review of the literature regarding SCS operative techniques to highlight key advancements. To review, summarize, and highlight key changes in SCS implantation techniques since their inception. The authors performed a MEDLINE search inclusive of articles from 1967 to June 2023
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The Inferior Temporal Gyrus Approach to Mesial Basal Temporal Lobe Surgery: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-10 Tucker Oliver,Anekay Kelly,Fernando L Vale
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Use of "Rail Technique" to Correct Thoracic Kyphosis: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-10 Randall W Treffy,Omar Hussain,Saman Shabani
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Transcallosal-Transchoroidal Fissure Approach for Midbrain and Thalamic Cavernous Malformations: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-07 Ethan A Winkler,Michael T Lawton
INDICATIONS CORRIDOR AND LIMITS OF EXPOSURE Cavernous malformations of the third ventricle arise from the medial thalamus and/or periaqueductal midbrain. Microsurgical resection is indicated when the lifetime risk of hemorrhage outweighs the surgical risks. ANATOMIC ESSENTIALS NEED FOR PREOPERATIVE PLANNING AND ASSESSMENT superior sagittal sinus, callosomarginal and pericallosal arteries, corpus callosum
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Resection of Left Atrial Meningioma Through an Anterior Contralateral Mini-Interhemispheric Approach: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-07 Esteban Quiceno,Amna Hussein,Scott C Seaman,Nader Delavari,Peter Nakaji
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Commentary: Approaches to the Middle Cerebellar Peduncle for Resection of Pontine Cavernomas. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-07 Mohamed A Zaazoue,Angela M Richardson,Mitesh V Shah
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Commentary: Clip Ligation of a Recurrent Middle Cerebral Artery Aneurysm After Treatment With Woven EndoBridge. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-07 Rawad Abbas,Bernard R Bendok
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Risk of Bone Wax Migration During Retrosigmoid Craniotomy for Microvascular Decompression: Case-Control Study. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-07 Hirokuni Hashikata,Yoshinori Maki,Yukie Terada,Naoya Yoshimoto,Masanori Goto,Ryota Ishibashi,Yoshihito Miki,Naokado Ikeda,Hideki Hayashi,Namiko Nishida,Junya Taki,Koichi Iwasaki,Hiroki Toda
BACKGROUND AND OBJECTIVES Bone wax is a flexible hemostatic agent commonly used for surgery in the posterior cranial fossa to control bleeding from the mastoid emissary vein. A large amount of bone wax can migrate into the sigmoid sinus through the mastoid emissary canal (MEC). We aimed to identify clinical factors related to intraoperative bone wax migration through the MEC during microvascular decompression
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Preclinical Evaluation of a Novel Steerable Robotic Neuroendoscope Tool. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-03 Kent K Yamamoto,Timothy A Brumfiel,Ronghuai Qi,Joshua J Chern,Jaydev P Desai
BACKGROUND AND OBJECTIVES To improve the outcomes of minimally invasive, endoscopic, intracranial procedures, steerable robotic tools have been developed but still require thorough evaluation before use in a clinical setting. This paper compares a novel steerable robotic neuroendoscope tool against a standard rigid tool. METHODS Seventeen participants, 8 nonmedical and 9 medical (neurosurgery residents
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Endoscopic Endonasal Far-Medial Approach: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-02 M Salman Ali,Hanna Algattas,Georgios A Zenonos,Eric W Wang,Carl H Snyderman,Paul A Gardner
INDICATIONS CORRIDOR AND LIMITS OF EXPOSURE Endoscopic endonasal far-medial approach provides an effective and safe corridor to access the parasagittal structures of the lower clivus such as the medial jugular tubercle (JT) and occipital condyle (OC) for lesions that displace neurovascular structures laterally. ANATOMIC ESSENTIALS NEED FOR PREOPERATIVE PLANNING AND ASSESSMENT Parapharyngeal internal
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Approaches to the Middle Cerebellar Peduncle for Resection of Pontine Cavernomas. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-01 Eva M Wu,Nickalus R Khan,Matthew Z Sun,Jacques J Morcos
INDICATIONS CORRIDOR AND LIMITS OF EXPOSURE The expanded retrosigmoid approach with splitting of the horizontal cerebellar fissure provides a more direct and shorter route for central and dorsolateral pontine lesions while minimizing retraction of tracts, nuclei, and cerebellum.1-4. ANATOMIC ESSENTIALS NEED FOR PREOPERATIVE PLANNING AND ASSESSMENT The middle cerebellar peduncle is partially covered
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Neurosurgical Videos and Social Media: Publish, Post, or Perish. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-11-01 Michael T Lawton
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Microsurgical Treatment of Complex Distal Middle Cerebral Artery Aneurysms: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-31 Kelsey Bowman,Abdullah Keles,Erin D'Agostino,Voramol Rochanaroon,Mustafa K Baskaya
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Treatment of Intrathecal Drug Pump Flipping Using Fascial Flaps: A Technical Description and Case Series. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-27 Khaled M Taghlabi,Lokeshwar S Bhenderu,Jaime R Guerrero,Alexa De la Fuente Hagopian,Souha Farhat,Sibi Rajendran,Jesus G Cruz-Garza,Tue Dinh,Amir H Faraji
BACKGROUND AND OBJECTIVES Intrathecal drug therapy is a common treatment for dystonia, pain, and spasticity using implanted pump and catheter systems. Standardized management of intrathecal drug pump (ITDP) migration and flipping has not been well established in the literature. This study reports the use of soft tissue to address less common pump complications such as pump flipping, migration, and
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Heads-Up Micronavigation Reliability of Preoperative Transcranial Magnetic Stimulation Maps for the Motor Function: Comparison With Direct Cortical Stimulation. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-27 Giovanni Muscas,Tommaso Bardazzi,Agnese Pedone,Luca Campagnaro,Camilla Bonaudo,Enrico Fainardi,Fabrizio Baldanzi,Simone Troiano,Riccardo Carrai,Antonello Grippo,Alessandro Della Puppa
BACKGROUND AND OBJECTIVES We aimed to assess the reliability of preoperative navigated transcranial magnetic stimulation (nTMS) maps for motor function as visualized intraoperatively with augmented reality heads-up display and to assess its accuracy via direct point-by-point comparison with the gold-standard direct cortical stimulation (DCS). METHODS From January 2022 to January 2023, candidates for
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Robot-Assisted Minimally Invasive Asleep Single-Stage Deep Brain Stimulation Surgery: Operative Technique and Systematic Review. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-27 Islam Fayed,Rupert D Smit,Shreya Vinjamuri,KiChang Kang,Anish Sathe,Ashwini Sharan,Chengyuan Wu
BACKGROUND AND OBJECTIVES Robotic assistance has garnered increased use in neurosurgery. Recently, this has expanded to include deep brain stimulation (DBS). Several studies have reported increased accuracy and improved efficiency with robotic assistance, but these are limited to individual robotic platforms with smaller sample sizes or are broader studies on robotics not specific to DBS. Our objectives
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Targeted Epidural Blood Patch Injection Through a Mini-Open Approach for Treatment of Spontaneous Intracranial Hypotension. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-27 Tammam Abboud,Daniel Behme,Bawarjan Schatlo,Veit Rohde,Christian von der Brelie
BACKGROUND AND OBJECTIVES Spontaneous intracranial hypotension is recognized as a cause for refractory headache. Treatment can range from blind blood patch injection to microsurgical repair of the cerebrospinal fluid (CSF) leak. The objective of the study was to investigate the safety and efficacy of the targeted blood patch injection (TBPI) technique through a mini-open approach in treatment of refractory
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Partial Labyrinth Removal Restricted to the Superior Semicircular Canal in Focal Combined Transpetrosal Approach: Description and Illustrative Cases. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-25 Claudio H F Vidal,Eberval G Figueiredo,Gabriela F Hazin,Yoav Hahn,Mariana C Leal,Caetano J Coimbra
BACKGROUND AND OBJECTIVES The labyrinthine structures obstruct the surgical view of the deep petroclival region in the transpetrosal approach. Historically, labyrinthectomy and removal of all 3 semicircular canals, with resultant deafness, was used in patients with ipsilateral functional hearing deficits to improve access. The advent and systematization of superior and posterior semicircular canal
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Pretemporal Transcavernous Approach to Basilar Tip Aneurysms: Operative Technique and Surgical Nuances: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-25 Hitesh Inder Singh Rai,Abdel Raouf Kayssi,Ali Krisht
INDICATIONS CORRIDORS AND LIMITS OF EXPOSURE This approach provides a 360° view of the anterior upper third of posterior fossa which can tackle any kind of complex basilar aneurysm. It combines the benefits of both pterional/orbitozygomatic and subtemporal approaches. ANATOMIC ESSENTIALS NEED FOR PREOPERATIVE PLANNING AND ASSESSMENT Computed tomography angiography revealed a low-lying basilar apex
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Commentary: The Paramedian Supracerebellar Infratentorial Approach: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-23 Mohamed A Zaazoue,Angela M Richardson,Mitesh V Shah
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Endoscope-Assisted Evacuation of Subdural Hematoma and Middle Meningeal Artery Embolization in a Single Session in the Angiography Suite: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-20 Jacques Lara-Reyna,Isabella C Morgan,Ian C Odland,Alejandro Carrasquilla,Stavros Matsoukas,J Mocco,Joshua B Bederson,Christopher P Kellner,Benjamin I Rapoport
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Endoscopic Endonasal Transsphenoidal Resection for MRI-Negative Cushing Disease With 2 Separate Functioning Pituitary Adenomas Neuroendocrine Tumors: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-18 Yuki Shinya,Sukwoo Hong,Garret W Choby,Irina Bancos,Caterina Giannini,Jamie J Van Gompel
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Commentary: Proximal Junctional Fracture and Kyphosis: Correction With Posterior Vertebral Column Resection and the "Rail Technique": 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-17 Iyan Younus,Hani Chanbour,Scott L Zuckerman
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Endoscopic Endonasal Approach for Salvage Embolization of Indirect Carotid-Cavernous Fistula: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Hanna N Algattas,Gautam M Nayar,Carl H Snyderman,S Tonya Stefko,Alhamza R Al-Bayati,Paul A Gardner
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Midpoint of C7 Lateral Mass Serves as an Accurate Reference Point for the Placement of T1 Pedicle Screws: An Anatomic Study. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Kevin T Kim,Michael Panagos,Matthew Hentschel,Ashish Sharma,Nathan Han,Timothy Chryssikos,Gary Schwartzbauer,Kenneth M Crandall,Charles A Sansur
BACKGROUND AND OBJECTIVES Free-hand placement of T1 pedicle screws can often be challenging. A reliable free-hand technique for placement of T1 pedicle screws can overcome some of the difficulties associated with poor fluoroscopy in this region. The purpose of this study was to propose a novel anatomic landmark for accurate identification of the T1 entry point using the midpoint of the C7 lateral mass
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Endoscopic Endonasal Approach for Direct Puncture Embolization of Cavernous Dural Arteriovenous Fistula: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Karl L Sangwon,Rogelio Esparza,Vera Sharashidze,Yosef Dastagirzada,Maksim Shapiro,Howard A Riina,Seth Lieberman,Donato Pacione,Eytan Raz,Erez Nossek
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Commentary: Endoscopic Transorbital Surgery for Trigeminal Schwannoma: Introduction of a Novel Approach: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Torstein R Meling
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High-Riding Filum Terminale Externum: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 A Daniel Davidar,Yuanxuan Xia,Amanda Sacino,Nicholas Theodore
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Minimally Invasive Approaches for Lumbosacral Plexus Schwannomas. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Federico Landriel,Fernando Padilla Lichtenberger,Alfredo Guiroy,Manuel Soto,Camilo Molina,Santiago Hem
BACKGROUND AND OBJECTIVES Lumbosacral plexus schwannomas (LSPSs) are benign, slow-growing tumors that arise from the myelin sheath of the lumbar or sacral plexus nerves. Surgery is the treatment of choice for symptomatic LSPSs. Conventional retroperitoneal or transabdominal approaches provide wide exposure of the lesion but are often associated with complications in the abdominal wall, lumbar or sacral
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Posterior Interhemispheric Parietooccipital Fissure Approach for the Posterior Medial Temporal Glioblastoma: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-12 Ichiyo Shibahara,Toshihiro Kumabe
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Direct Transverse Sinus Puncture for Transvenous Coil Embolization of Vein of Galen Malformations: Innovating Existing Techniques. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-11 Shivani D Rangwala,Kristin Johnson,Alfred P See,Edward R Smith,Darren B Orbach
BACKGROUND AND IMPORTANCE Vein of Galen malformations (VOGMs) are complex arteriovenous malformations in neonates and young children. Recent advances in endovascular interventions have drastically improved treatment and clinical outcomes in what was previously high-morbidity, high-mortality disease. The high-flow shunt pathophysiology in VOGMs can lead to dynamic changes in the malformation angioarchitecture
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Full-Endoscopic Technique for Posterior Fossa Decompression in Chiari Malformation. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Ilyas Dolas,Tugrul Cem Unal,Ali Guven Yorukoglu,Sebastian Ruetten,Duygu Dolen,Cafer Ikbal Gulsever,Duran Sahin,Aydin Aydoseli,Altay Sencer
BACKGROUND AND IMPORTANCE Full-endoscopic techniques are well-described for spinal procedures. Although endoscopic-assisted techniques are reported for posterior fossa decompression (PFD) in Chiari malformation (CM), a full-endoscopic technique is yet to be reported in these patients. The aim of this study was to present and describe a full-endoscopic technique for PFD in patients with CM. CLINICAL
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Transorbital Surgical Corridor: An Anatomic Analysis of Ocular Globe Retraction and the Associated Exposure for the Transpalpebral Orbital Rim Preserving Endoscopic Orbitotomy (TORPEDO) Approach. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Keaton Piper,Miguel Saez-Alegre,Zeegan George,Aneil Srivastava,Daniel R Felbaum,Walter C Jean
BACKGROUND AND OBJECTIVES The transorbital approach varies by the extent of bony removal and the target. Orbital rim-sparing transorbital approach with removal of only the orbit's posterior wall provides optimal cosmetic results, without the need for reconstruction. The size of this corridor, limited by the medial globe retraction, has not yet been defined and is difficult to determine in cadavers
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A Simple 3D Printed Model for Intracranial Vascular Anastomosis Practice and the Rochester Bypass Training Score. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Redi Rahmani,Gabrielle Santangelo,Muhammad I Jalal,Michael Catanzaro,Joshua Samodal,Matthew T Bender,Jonathan J Stone
BACKGROUND AND OBJECTIVES Surgical simulation models in cranial neurosurgery are needed to allow affordable, accessible, and validated practice in resident education. Current bypass anastomosis practice models revolve around basic tube tying or complex animal and 3-dimensional models. This study sought to design and validate a 3-dimensional printed model for intracranial anastomosis training. METHODS
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Transorbital Exposure of the Internal Carotid Artery: A Detailed Anatomic and Quantitative Roadmap for Safe Successful Surgery. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Francesco Corrivetti,Giulia Guizzardi,Ilaria Bove,Joaquim Enseñat,Alberto Prats-Galino,Domenico Solari,Luigi Maria Cavallo,Giorgio Iaconetta,Alberto Di Somma,Matteo de Notaris
BACKGROUND AND OBJECTIVES The superior eyelid endoscopic transorbital approach has rapidly gained popularity among neurosurgeons for its advantages in the treatment, in a minimally invasive fashion, of a large variety of skull base pathologies. In this study, an anatomic description of the internal carotid artery (ICA) is provided to identify risky zones related to lesions that may be approached using
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Microsurgical Clipping of Residual Ophthalmic Artery Aneurysm After Initial Treatment With Pipeline Embolization Device: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Michael Young,Max Shutran,Eduardo Orrego-González,Christopher S Ogilvy,Philipp Taussky
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A Prospective Comparison Between Soft Tissue Dissection Techniques in Pterional Craniotomy: Functional, Radiological, and Aesthetic Outcomes. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Abdulrazag Ajlan,Sarah Basindwah,Aysha Hawsawi,Badriah Alsabbagh,Rawan Alwadee,Sarah Bin Abdulqader,Gmaan Alzhrani,Yasser Orz,Mohammed Bafaqeeh,Abdullah Alobaid,Mahmoud Alyamany,Faisal Farrash,Abdulaziz Alaskar,Malak Alkhathlan,Ashwag Alqurashi,Sherif Elwatidy
BACKGROUND AND OBJECTIVES Given the complex anatomy of the operative region and individual surgeon preferences, some techniques for soft tissue dissection before pterional craniotomy have gained more popularity than others. This prospective study used subjective and objective measurements to compare the functional, radiological, and aesthetic outcomes of 3 such dissection techniques. METHODS This multicenter
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Dorsum Sellae as Key Landmark in ETV With Disminished Prepontine Cistern: Technical Note and Case Series. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 José Javier Guil-Ibáñez,Tesifón Parrón-Carreño,Mario Gomar-Alba,Fernando García-Pérez,José María Narro-Donate,José Masegosa-González
BACKGROUND AND OBJECTIVES One of the key aspects in the surgical technique of endoscopic third ventriculostomy (ETV) is the perforation of the floor of the third ventricle because of the high risk of injuring vital structures located in that region. According to the standard technique, this perforation should be performed in the midline halfway between mammillary bodies and the infundibular recess
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Posterior Interhemispheric Transtentorial Subsplenial Approach for Posterior Thalamic Tumors: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Yücel Doğruel,Serdar Rahmanov,Abuzer Güngör,Uğur Türe
INDICATIONS CORRIDOR AND LIMITS OF EXPOSURE The posterior interhemispheric transtentorial subsplenial approach provides a direct corridor to posterior thalamic lesions without a cortical or callosal incision.1. ANATOMIC ESSENTIALS NEED FOR PREOPERATIVE PLANNING AND ASSESSMENT This corridor is through the posterior interhemispheric fissure along the medial surface of the cuneus and allows the subsplenial
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Awake Craniotomy for a Ruptured Arteriovenous Malformation With Preoperative Navigated Transcranial Magnetic Stimulation for Language Mapping: 2-Dimensional Operative Video. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Luis Guillermo Fernandez,Daniel Eduardo Oyon,William Samuel Gibson,Avi Mazumdar,Osaama Hassan Khan
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Accuracy of Surgical Outcome Using Computer-Aided Surgical Simulation in Fronto-Orbital Advancement for Craniosynostosis: A Pilot Study. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Matthew J Recker,Joshua C Barber,James J Xia,Michael R Markiewicz,Tianshu Kuang,Hannah H Deng,Tanya Singh,Renée M Reynolds
BACKGROUND AND OBJECTIVE Computer-aided surgical simulation (CASS) can be used to virtually plan ideal outcomes of craniosynostosis surgery. Our purpose was to create a workflow analyzing the accuracy of surgical outcomes relative to virtually planned fronto-orbital advancement (FOA). METHODS Patients who underwent FOA using CASS between October 1, 2017, and February 28, 2022, at our center and had
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The Technique for Transorbital Ventricular Puncture: An Anatomic Approach. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-09 Luís Gustavo Biondi Soares,Vanessa Milanesi Holanda,Gustavo Veloso Lages,Adria Gabrielle Biondi Soares,Marcilio Monteiro Catarino,Juan Carlos Ahumada-Vizcaíno,Felipe Salvagni Pereira,Maria Luiza Oliveira Lopes Teixeira,Luis Ángel Canache Jiménez,Mateus Reghin Neto,Feres Chaddad-Neto
BACKGROUND AND OBJECTIVES Transorbital ventricular puncture is a minimally invasive described procedure with poor landmarks and anatomic references. This approach can be easily performed to save patients with intracranial hypertension, especially when it is secondary to an acute decompensated hydrocephalus. This study aims to describe anatomic structures and landmarks to facilitate the execution of
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Operative Neurosurgery: Time to Go All Digital. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-10-01 Douglas Kondziolka
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Distinct Pattern of Membrane Formation With Spinal Cerebrospinal Fluid Leaks in Spontaneous Intracranial Hypotension. Oper. Neurosurg. (IF 2.3) Pub Date : 2023-09-25 Levin Häni,Christian Fung,Amir El Rahal,Florian Volz,Luisa Mona Kraus,Oliver Schnell,Roberto Ferrarese,Daniel Erny,Marius Schwabenland,Horst Urbach,Niklas Lützen,Jürgen Beck
BACKGROUND AND OBJECTIVES To systematically describe pertinent, intraoperative anatomic findings encountered when approaching spinal cerebrospinal fluid (CSF) leaks and CSF-venous fistulas in spontaneous intracranial hypotension (SIH). METHODS In a retrospective study, we included surgically treated patients suffering from SIH at our institution from April 2018 to March 2022. Anatomic, intraoperative