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Operative Neurosurgery (Hagerstown, Md.)

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https://www.readbyqxmd.com/read/29767779/survival-outcomes-after-intracranial-hemorrhage-in-liver-disease
#1
Carlito Lagman, Daniel T Nagasawa, Daniel Azzam, John P Sheppard, Cheng Hao Jacky Chen, Vera Ong, Thien Nguyen, Giyarpuram N Prashant, Tianyi Niu, Alexander M Tucker, Won Kim, Fady M Kaldas, Nader Pouratian, Ronald W Busuttil, Isaac Yang
BACKGROUND: Survival outcomes for patients with liver disease who suffer an intracranial hemorrhage (ICH) have not been thoroughly investigated. OBJECTIVE: To understand survival outcomes for 3 groups: (1) patients with an admission diagnosis of liver disease (end-stage liver disease [ESLD] or non-ESLD) who developed an ICH in the hospital, (2) patients with ESLD who undergo either operative vs nonoperative management, and (3) patients with ESLD on the liver transplant waitlist who developed an ICH in the hospital...
May 15, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29767762/surgical-outcomes-following-repeat-transsphenoidal-surgery-for-nonfunctional-pituitary-adenomas-a-retrospective-comparative-study
#2
Joshua Bakhsheshian, Sarah Wheeler, Ben A Strickland, Martin H Pham, Robert C Rennert, John Carmichael, Martin Weiss, Gabriel Zada
BACKGROUND: Endonasal transsphenoidal surgery (ETSS) remains the preferred treatment for recurrent or residual nonfunctional pituitary adenomas (NFPAs). However, surgical complications and outcomes with repeat ETSS are unclear. OBJECTIVE: To compare outcomes from primary and repeat ETSS in patients with NFPAs. METHODS: Retrospective review of ETSS for NFPAs at USC University Hospital and LAC + USC Medical Center between 2000 and 2015. Patients with ≥3-mo follow-up data were included...
May 15, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29762775/combination-superficial-temporal-artery-middle-cerebral-artery-bypass-and-m2-m2-reanastomosis-with-trapping-of-a-stented-distal-middle-cerebral-artery-aneurysm-3-dimensional-operative-video
#3
Jan-Karl Burkhardt, Sonia Yousef, Halima Tabani, Arnau Benet, Roberto Rodriguez Rubio, Michael T Lawton
Distal middle cerebral artery (MCA) aneurysms often have non-saccular morphology and cannot be clipped, requiring revascularization and trapping instead. Combination bypasses are needed when 2 arteries exit the aneurysm, and extracranial-intracranial and intracranial-intracranial bypasses can be used. This video demonstrates a combination bypass used to treat a previously stented distal MCA aneurysm with both a superficial temporal artery (STA)-to-MCA bypass and an M2-to-M2 reanastomosis. This 56-yr-old man presented with distal left-sided MCA aneurysm 2 years earlier and attempted stent-assisted coiling was aborted after the aneurysm was perforated with stenting alone...
May 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29762758/in-situ-left-azygous-anterior-cerebral-artery-to-right-pericallosal-artery-bypass-for-treatment-of-a-giant-right-a1-2-aneurysm-2-dimensional-operative-video
#4
Gary Rajah, Mark Hoeprich, Sandra Narayanan, Murali Guthikonda, Sandeep Mittal
Here we present a 46-yr-old man with recurrent syncopal episodes thought to be of cardiac origin. He was eventually found to harbor a giant, partially thrombosed, saccular aneurysm arising from the A1/A2 segment of the right anterior cerebral artery with foramen of Monro obstruction and a trapped left-sided ventricular system. An azygous left A2 artery segment supplied both callosomarginal arteries. We performed an in situ side-to-side anastomosis between the distal left azygous anterior cerebral artery and the right pericallosal artery, which was previously supplied by the right A1...
May 12, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29750275/endoscopic-endonasal-transclival-approach-to-the-ventral-brainstem-anatomic-study-of-the-safe-entry-zones-combining-fiber-dissection-technique-with-7-tesla-magnetic-resonance-guided-neuronavigation
#5
Alessandro Weiss, Paolo Perrini, Matteo De Notaris, Guadalupe Soria, Alarcon Carlos, Maura Castagna, Lodovico Lutzemberger, Orazio Santo Santonocito, Giuseppe Catapano, Amin Kassam, Alberto Prats Galino
BACKGROUND: Treatment of intrinsic lesions of the ventral brainstem is a surgical challenge that requires complex skull base antero- and posterolateral approaches. More recently, endoscopic endonasal transclival approach (EETA) has been reported in the treatment of selected ventral brainstem lesions. OBJECTIVE: In this study we explored the endoscopic ventral brainstem anatomy with the aim to describe the degree of exposure of the ventral safe entry zones. In addition, we used a newly developed method combining traditional white matter dissection with high-resolution 7T magnetic resonance imaging (MRI) of the same specimen coregistered using a neuronavigation system...
May 10, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29750273/video-head-impulse-test-to-preoperatively-identify-the-nerve-of-origin-of-vestibular-schwannomas
#6
Felipe Constanzo, Patricia Sens, Bernardo Corrêa de Almeida Teixeira, Ricardo Ramina
BACKGROUND: Identification of the nerve of origin in vestibular schwannoma (VS) is an important prognostic factor for hearing preservation surgery. Thus far, vestibular functional tests and magnetic resonance imaging have not yielded reliable results to preoperatively evaluate this information. The development of the video head impulse test (vHIT) has allowed a precise evaluation of each semicircular canal, and its localizing value has been tested for some peripheral vestibular diseases, but not for VS...
May 10, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29741741/microsurgical-resection-of-glomus-jugulare-tumors-with-facial-nerve-reconstruction-3-dimensional-operative-video
#7
Duarte N C Cândido, Jean Gonçalves de Oliveira, Luis A B Borba
Paragangliomas are tumors originating from the paraganglionic system (autonomic nervous system), mostly found at the region around the jugular bulb, for which reason they are also termed glomus jugulare tumors (GJT). Although these lesions appear to be histologically benign, clinically they present with great morbidity, especially due to invasion of nearby structures such as the lower cranial nerves. These are challenging tumors, as they need complex approaches and great knowledge of the skull base. We present the case of a 31-year-old woman, operated by the senior author, with a 1-year history of tinnitus, vertigo, and progressive hearing loss, that evolved with facial nerve palsy (House-Brackmann IV) 2 months before surgery...
May 8, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29733426/minimally-invasive-bilateral-anterior-cingulotomy-via-open-minicraniotomy-using-a-novel-multiport-cisternoscope-a-cadaveric-demonstration
#8
Sunil Manjila, Benoit Rosa, Margherita Mencattelli, Pierre E Dupont
BACKGROUND: Bilateral anterior cingulotomy has been used to treat chronic pain, obsessive compulsive disorder, and addictions. Lesioning of the target area is typically performed using bilateral stereotactic electrode placement and target ablation, which involves transparenchymal access through both hemispheres. OBJECTIVE: To evaluate an endoscopic direct-vision lesioning using a unilateral parasagittal minicraniotomy for minimally invasive bilateral anterior cingulotomy using a novel multiport endoscope through the anterior interhemispheric fissure...
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29733410/perioperative-multimodal-evaluation-and-surgical-tactics-of-tumor-related-epilepsy-2-dimensional-operative-video
#9
Chengxin Ma, Rui Feng, N U Farrukh Hameed, Jie Zhang, Dongxiao Zhuang, Jinsong Wu
Treatment of tumor-related epilepsy (TRE), especially for tumors near critical areas, requires surgeons to strike a balance between the epileptic benefit and functional outcome after surgery. Here, we present a case in which multimodal evaluation facilitated the achievement of such surgical balance. Informed patient consent was obtained. A 17-yr-old female presented with seizure attacks for 2 yr. Magnetic resonance imaging (MRI) revealed a right parietal mass lesion with hypointense signal on T1W imaging, hyperintense signal on T2W imaging, and homogeneous enhancement...
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29733399/microsurgical-resection-of-a-type-1-spinal-dural-arteriovenous-fistula-a-3-dimensional-operative-video
#10
(no author information available yet)
No abstract text is available yet for this article.
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29733386/endoscopic-resection-of-a-paraclinoid-meningioma-extending-into-the-optic-canal-2-dimensional-operative-video
#11
(no author information available yet)
No abstract text is available yet for this article.
May 4, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29726988/validation-of-noninvasive-absolute-intracranial-pressure-measurements-in-traumatic-brain-injury-and-intracranial-hemorrhage
#12
Jenny C Kienzler, Rolandas Zakelis, Sabrina Bäbler, Elke Remonda, Arminas Ragauskas, Javier Fandino
BACKGROUND: Increased intracranial pressure (ICP) causes secondary damage in traumatic brain injury (TBI), and intracranial hemorrhage (ICH). Current methods of ICP monitoring require surgery and carry risks of complications. OBJECTIVE: To validate a new instrument for noninvasive ICP measurement by comparing values obtained from noninvasive measurements to those from commercial implantable devices through this pilot study. METHODS: The ophthalmic artery (OA) served as a natural ICP sensor...
May 3, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29718332/endoscopic-endonasal-transmaxillary-transshpenoidal-approach-for-excision-of-a-superior-orbital-fissure-cavernous-sinus-meningioma-2-dimensional-operative-video
#13
Ehab El Refaee, Steffen Fleck, Marc Matthes, Henry W S Schroeder
We present a 43-old-male who suffered from a slowly progressive loss of vision in the left eye. Magnetic resonance (MR) imaging revealed a well-circumscribed contrast-enhancing lesion in the region of the anterior cavernous sinus and superior orbital fissure that extended into the optic canal. A schwannoma or meningioma was suspected. A transcranial surgery performed at another institution was not successful in removing the tumor and further deterioration of vision occurred. After resection of the left middle turbinate, the sphenoid and maxillary sinus were opened...
April 28, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29718471/microarteriovenous-malformations-value-of-indocyanine-green-fluorescence-and-nuances-of-surgical-excision-2-dimensional-operative-video
#14
Thomas J Sorenson, Lucas Carlstrom, Giuseppe Lanzino
MicroAVMs (microarteriovenous malformation) are arteriovenous shunts with a nidus smaller than 1 centimeter.1 They are typically diagnosed after hemorrhage. When the nidus is very small, diagnosis can be challenging even on catheter angiography and careful examination of the arterial and capillary phases is required to identify the early shunt. Because of the very small size, identification and localization of the actual AV shunt can be problematic during surgical exploration. Advances in frameless stereotactic neuronavigation and the introduction of intraoperative indocyanine green (ICG) fluorescein provide useful adjuncts in the surgical treatment of these relatively uncommon lesions...
April 27, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29718425/incisional-hernia-after-minimally-invasive-lateral-retroperitoneal-surgery-case-series-and-review-of-the-literature
#15
Andrew C Vivas, Jacob Januszewski, Luv Hajirawala, Jason M Paluzzi, Shashank V Gandhi, Juan S Uribe
BACKGROUND: Minimally invasive lateral retroperitoneal (lateral-MIS) approaches to the spine involve traversing the lateral abdominal wall musculature and fascia. Incisional hernia is an uncommon approach-related complication. OBJECTIVE: To review the incidence, treatment, and preventative measures of incisional hernia after lateral-MIS approaches. METHODS: This is a retrospective review of cases performed by a single surgeon from 2011 to 2016...
April 27, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29701856/comparative-analysis-between-lateral-orbital-rim-preservation-and-osteotomy-for-transorbital-endoscopic-approaches-to-the-cavernous-sinus-an-anatomic-study
#16
Raywat Noiphithak, Juan C Yanez-Siller, Juan Manuel Revuelta Barbero, Bradley A Otto, Ricardo L Carrau, Daniel M Prevedello
BACKGROUND: Transorbital endoscopic approach (TOEA) to the cavernous sinus (CS) is a novel surgical technique. However, the necessity of lateral orbital rim (LOR) osteotomy is questionable. OBJECTIVE: To illustrate the surgical dissection of TOEAs to CS and to investigate the additional benefit of LOR osteotomy. METHODS: Anatomic dissections were carried out in 7 cadaveric heads (14 sides). The TOEAs were performed before and after LOR osteotomy; herein referred as the lateral transorbital approach (LTOA) and the lateral orbital wall approach (LOWA), respectively...
April 26, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29701850/safeguarding-the-anomalous-vertebral-artery-while-dissecting-drilling-and-instrumentation-of-c1-2-joint-for-congenital-atlantoaxial-dislocation-2-dimensional-operative-video
#17
Pravin Salunke, Sushanta K Sahoo
The pathology in congenital atlantoaxial instability is usually in C1-2 joints. Addressing the joints appears to be the most rationale approach. The joints are usually approached posteriorly, manipulated, and fused. Understanding the normal and abnormal anatomy is important. Normally, the third segment of the vertebral artery courses lateral to the C1-2 joint. However, in about 20% of the cases with complex congenital craniovertberal junction anomalies the artery crosses the joint posteriorly. The artery in such cases may be injured while joint manipulation and instrumentation with disastrous consequences...
April 26, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29688555/a-pilot-study-on-posterior-polyethylene-tethers-to-prevent-proximal-junctional-kyphosis-after-multilevel-spinal-instrumentation-for-adult-spinal-deformity
#18
Thomas J Buell, Avery L Buchholz, John C Quinn, Shay Bess, Breton G Line, Christopher P Ames, Frank J Schwab, Virginie Lafage, Christopher I Shaffrey, Justin S Smith
BACKGROUND: Proximal junctional kyphosis (PJK) is a common problem after multilevel spine instrumentation. OBJECTIVE: To determine if junctional tethers reduce PJK after multilevel instrumented surgery for adult spinal deformity (ASD). METHODS: ASD patients who underwent posterior instrumented fusion were divided into 3 groups: no tether (NT), polyethylene tether-only (TO; tied securely through the spinous processes of the uppermost instrumented vertebra [UIV] + 1 and UIV-1), and tether with crosslink (TC; passed through the spinous process of UIV+1 and tied to a crosslink between UIV-1 and UIV-2)...
April 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29688523/letter-the-paramedian-supracerebellar-transtentorial-selective-amygdalohippocampectomy-for-mediobasal-temporal-epilepsy
#19
Atilla Erdem
No abstract text is available yet for this article.
April 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/29688448/in-reply-the-paramedian-supracerebellar-transtentorial-selective-amygdalohippocampectomy-for-mediobasal-temporal-epilepsy
#20
Mehmet Volkan Harput, Ugur Türe
No abstract text is available yet for this article.
April 24, 2018: Operative Neurosurgery (Hagerstown, Md.)
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