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Cerebrovascular neurosurgery

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https://www.readbyqxmd.com/read/27920940/3d-printing-in-neurosurgery-a-systematic-review
#1
REVIEW
Michael Randazzo, Jared M Pisapia, Nickpreet Singh, Jayesh P Thawani
BACKGROUND: The recent expansion of three-dimensional (3D) printing technology into the field of neurosurgery has prompted a widespread investigation of its utility. In this article, we review the current body of literature describing rapid prototyping techniques with applications to the practice of neurosurgery. METHODS: An extensive and systematic search of the Compendex, Scopus, and PubMed medical databases was conducted using keywords relating to 3D printing and neurosurgery...
2016: Surgical Neurology International
https://www.readbyqxmd.com/read/27781115/unexpected-rupture-of-a-giant-lobulated-thrombotic-middle-cerebral-artery-aneurysm-and-emergency-surgical-treatment-with-thrombectomy-a-case-report-and-review-of-the-literature
#2
Vaner Koksal, Selim Kayaci
INTRODUCTION: The treatment of giant intracranial aneurysms is one of the most challenging cerebrovascular problems of neurosurgery. We report the rupture of a giant, lobulated, and almost completely thrombosed middle cerebral artery (MCA) aneurysm that is the ninth such report in the literature. We also investigated additional solutions used in the treatment of this patient. CASE PRESENTATION: A 58-year-old man had been admitted with headache 8 years previously (in 2005), and a giant MCA aneurysm was detected...
August 2016: Iranian Red Crescent Medical Journal
https://www.readbyqxmd.com/read/27494548/operative-volume-and-outcomes-of-cerebrovascular-neurosurgery-in-children
#3
Kimon Bekelis, Ian D Connolly, Huy M Do, Omar Choudhri
OBJECTIVE The impact of procedural volume on the outcomes of cerebrovascular surgery in children has not been determined. In this study, the authors investigated the association of operative volume on the outcomes of cerebrovascular neurosurgery in pediatric patients. METHODS The authors performed a cohort study of all pediatric patients who underwent a cerebrovascular procedure between 2003 and 2012 and were registered in the Kids' Inpatient Database (KID). To control for confounding, the authors used multivariable regression models, propensity-score conditioning, and mixed-effects analysis to account for clustering at the hospital level...
August 5, 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27446925/personalized-medicine-in-cerebrovascular-neurosurgery-precision-neurosurgical-management-of-cerebral-aneurysms-and-subarachnoid-hemorrhage
#4
REVIEW
Achal Singh Achrol, Gary K Steinberg
Cerebral aneurysms are common vascular lesions. Little is known about the pathogenesis of these lesions and the process by which they destabilize and progress to rupture. Treatment decisions are motivated by a desire to prevent rupture and the devastating morbidity and mortality associated with resulting subarachnoid hemorrhage (SAH). For patients presenting with SAH, urgent intervention is required to stabilize the lesion and prevent re-rupture. Those patients fortunate enough to survive a presenting SAH and subsequent securing of their aneurysm must still face a spectrum of secondary sequelae, which can include cerebral vasospasm, delayed ischemia, seizures, cerebral edema, hydrocephalus, and endocrinologic and catecholamine-induced systemic dysfunction in cardiac, pulmonary, and renal systems...
2016: Frontiers in Surgery
https://www.readbyqxmd.com/read/27416712/-the-clinical-condition-and-treatment-of-diseases-associated-with-sudden-death
#5
Atsushi Sawamura, Ken-ichi Katabami, Naoki Ishimori, Yasuei Singu, Naoki Nakayama
The Hokkaido Medical Society is a group of doctors and medical researchers in Hokkaido. Its purpose is to contribute to medicine and to the improvement of medical treatment. This symposium was carried out in order to inform citizens about the condition known as sudden death. We hypothesize that the incidence of sudden death tends to increase in line with the incidence of metabolic syndrome. Approximately four hundred patients were transported to our hospital by ambulance in a state of cardiopulmonary arrest (CPA) last year...
May 2016: [Hokkaido Igaku Zasshi] the Hokkaido Journal of Medical Science
https://www.readbyqxmd.com/read/27366977/landmark-papers-in-cerebrovascular-neurosurgery-2015
#6
REVIEW
Justin M Moore, Christoph J Griessenauer, Raghav Gupta, Nimer Adeeb, Apar S Patel, Christopher S Ogilvy, Ajith J Thomas
The management of cerebrovascular disease has advanced considerably in 2015. Five randomized control trials have firmly established the role of endovascular thrombectomy for ischemic strokes due to large vessel occlusion. The randomized trial of intraarterial treatment for acute ischemic stroke (MR CLEAN) (Berkhemer et al. NEJM 2015;372:11-20) was the first of a series on the topic. There was a total of 5 randomized controlled trials published showing benefit in terms of functional outcomes at 90days for mechanical thrombectomy including the Endovascular Therapy for Ischemic stroke with perfusion-imaging selection (EXTEND IA) (Campbell et al...
September 2016: Clinical Neurology and Neurosurgery
https://www.readbyqxmd.com/read/27295107/the-consideration-of-flow-diversion-in-modern-cerebrovascular-neurosurgery
#7
Babu G Welch, H Hunt Batjer
No abstract text is available yet for this article.
August 1, 2016: JAMA Neurology
https://www.readbyqxmd.com/read/27231823/intraoperative-complications-in-pediatric-neurosurgery-review-of-1807-cases
#8
Erik J van Lindert, Sebastian Arts, Laura M Blok, Mark P Hendriks, Luc Tielens, Martine van Bilsen, Hans Delye
OBJECTIVE Minimal literature exists on the intraoperative complication rate of pediatric neurosurgical procedures with respect to both surgical and anesthesiological complications. The aim of this study, therefore, was to establish intraoperative complication rates to provide patients and parents with information on which to base their informed consent and to establish a baseline for further targeted improvement of pediatric neurosurgical care. METHODS A clinical complication registration database comprising a consecutive cohort of all pediatric neurosurgical procedures carried out in a general neurosurgical department from January 1, 2004, until July 1, 2012, was analyzed...
September 2016: Journal of Neurosurgery. Pediatrics
https://www.readbyqxmd.com/read/27192638/applying-craniofacial-principles-to-neurosurgical-exposures-in-cerebrovascular-aneurysm-repair
#9
Michael Alperovich, Jordan D Frey, Matthew B Potts, Howard A Riina, David A Staffenberg
The subspecialty of craniofacial surgery emphasizes skeletal exposure, preservation of critical structures, and provision of a superior cosmetic result. In recent decades, an emphasis on minimally invasive neurosurgical exposure has paved the way for increased collaboration between neurosurgeons and craniofacial surgeons.The 1990s saw the growing popularity of an eyebrow incision for orbital roof craniotomies in neurosurgery to address lesions in the anterior skull base. Disadvantages of this approach included conspicuous scarring above the brow skin, risk of injury to the frontal branch of the facial nerve, and numbness from supraorbital or supratrochlear nerve transection...
June 2016: Journal of Craniofacial Surgery
https://www.readbyqxmd.com/read/27177182/use-of-a-surgical-rehearsal-platform-and-improvement-in-aneurysm-clipping-measures-results-of-a-prospective-randomized-trial
#10
A Jessey Chugh, Jonathan R Pace, Justin Singer, Curtis Tatsuoka, Alan Hoffer, Warren R Selman, Nicholas C Bambakidis
OBJECTIVE The field of neurosurgery is constantly undergoing improvements and advances, both in technique and technology. Cerebrovascular neurosurgery is no exception, with endovascular treatments changing the treatment paradigm. Clipping of aneurysms is still necessary, however, and advances are still being made to improve patient outcomes within the microsurgical treatment of aneurysms. Surgical rehearsal platforms are surgical simulators that offer the opportunity to rehearse a procedure prior to entering the operative suite...
May 13, 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/27137521/criteria-for-training-and-accreditation-in-interventional-neuroradiology-neurointervention-approved-by-the-spanish-group-of-interventional-neuroradiology-geni-the-spanish-society-of-neuroradiology-senr-the-spanish-group-of-cerebrovascular-diseases-geecv-the
#11
F Fortea, J Masjuan, F Arikán-Abello, A Rovira, A González, J Arenillas, J Fernández Alen, J Gállego
BACKGROUND: The development of endovascular techniques has put Interventional Neuroradiology (INR) as the first-option treatment in the majority of vascular diseases of the central nervous system. Scientific societies in developed countries have created standard procedures for training and accreditation for a safe practice in these procedures. DISCUSSION: In Spain, we are waiting for the development of the legislation on the accreditation for specialists which will establish the official formative model to achieve an accreditation in INR...
April 30, 2016: Neurología: Publicación Oficial de la Sociedad Española de Neurología
https://www.readbyqxmd.com/read/27100549/-operations-of-revascularization-in-surgery-of-cerebrovascular-aneurysms
#12
V V Krylov, V L Lemenev, V G Dashyan, V A Lukyanchikov, A S Tokarev, O Yu Nakhabin, N A Polunina, I V Senko, V A Dalibaldyan, E V Grigorieva, A B Klimov, V E Ryabukhin
Surgical revascularization of the brain is one of the most important trends in the development of neurosurgery. Restoration of adequate blood flow through pre- and intracerebral arteries promotes prevention and treatment of ischaemic lesions of the brain in various pathology. The present work was aimed at analysing the experience gained in performing revascularizing operations in patients with cerebral aneurysms at the department of neurosurgery. The authors analysed therapeutic outcomes in a total of 45 patients presenting with giant and complex aneurysms of cerebral arteries and treated from 2009 to 2014...
2016: Angiologii︠a︡ i Sosudistai︠a︡ Khirurgii︠a︡, Angiology and Vascular Surgery
https://www.readbyqxmd.com/read/26950220/incidental-intracranial-findings-and-their-clinical-impact-the-hunt-mri-study-in-a-general-population-of-1006-participants-between-50-66-years
#13
Asta Kristine Håberg, Tommy Arild Hammer, Kjell Arne Kvistad, Jana Rydland, Tomm B Müller, Live Eikenes, Mari Gårseth, Lars Jacob Stovner
OBJECTIVES: Evaluate types and prevalence of all, incidental, and clinically relevant incidental intracranial findings, i.e. those referred to primary physician or clinical specialist, in a cohort between 50 and 66 years from the Nord-Trøndelag Health (HUNT) study. Types of follow-up, outcome of repeated neuroimaging and neurosurgical treatment were assessed. MATERIAL AND METHODS: 1006 participants (530 women) underwent MRI of the head at 1.5T consisting of T1 weighted sagittal IR-FSPGR volume, axial T2 weighted, gradient echo T2* weighted and FLAIR sequences plus time of flight cerebral angiography covering the circle of Willis...
2016: PloS One
https://www.readbyqxmd.com/read/26775232/management-of-subarachnoid-hemorrhage-in-two-important-italian-political-leaders-a%C3%A2-paradigm-of-ethical-and-technological-evolution-of-neurosurgery-during-the-past-half-century
#14
REVIEW
Pierluigi Longatti, Ermanno Giombelli, Giacomo Pavesi, Alessandro Carteri, Alberto Feletti
For a curious and extraordinary coincidence, 5 of the 7 most relevant leaders of the Italian Communist Party (Partito Comunista Italiano, which was established in 1921, has been the biggest Communist Party in Western Countries) suffered a cerebral stroke. Cerebrovascular diseases afflicted also Stalin and Lenin, and a number of Presidents of the United States. We present the stories of 2 important Italian political leaders who shared both the leadership role of the major left Italian Party and the dramatic experience of a subarachnoid hemorrhage...
August 2016: World Neurosurgery
https://www.readbyqxmd.com/read/26768869/the-anatomy-of-circulus-arteriosus-cerebri-circle-of-willis-a-study-in-turkish-population
#15
Ayse Karatas, Hakan Yilmaz, Gokmen Coban, Murat Koker, Aysun Uz
AIM: The function of the circle of Willis, an arterial polygon, is to protect the brain from ischemia. The aim of this study is to define the structural characteristics of the circle of Willis within the Turkish adult population, along with variations and arteries involved in the measurement of diameters and lengths on cadavers. MATERIAL AND METHODS: The circle of Willis was evaluated in 100 fresh adult cadavers. Structures of the circle of Willis were evaluated as being typical or atypical images and according to the diameter of AComP...
2016: Turkish Neurosurgery
https://www.readbyqxmd.com/read/26710803/-the-clinical-application-of-retractorless-surgical-technique-in-neurosurgical-operation
#16
Xun Ye, Xingju Liu, Xiaofeng Deng, Fuxin Lin, Shuo Wang, Dong Zhang, Yuanli Zhao, Yong Cao, Yan Zhang, Rong Wang, Mingqi Yang, Jizong Zhao
OBJECTIVE: A retrospective study was conducted to analyze the clinical data of patients treated by retractorless surgery and explore the clinical feasibility and practical application of this strategy. METHODS: A total of 194 patients undergone retractorless surgery in Beijing Tiantan Hospital from Nov 2013 to Oct 2014 were retrospectively reviewed. Complications related to microsurgical approaches, disease types, neurological function score and intraoperative compression or stretching were analyzed...
July 7, 2015: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/26662153/fusiform-aneurysm-of-a-persistent-primitive-trigeminal-artery-associated-with-cerebrovascular-anatomic-variations-a-report-of-two-cases
#17
Horia Pleş, Marios Loukas, Rebecca G Andall, Naomi R Andall, Nicoleta Iacob, GraŢian Dragoslav Miclăuş, Petru Matusz, R Shane Tubbs
There are four embryonic anastomoses that exist between the internal carotid artery (ICA) and the vertebrobasilar (VB) system, which may fail to regress postfetal life; one of which is the trigeminal artery. Other persistent anastomoses include those formed by the hypoglossal, otic and proatlantic intersegmental arteries. In addition, other cerebrovascular variations may accompany a persistent primitive trigeminal artery (PPTA); such as arteriovenous malformations, aneurysms, carotid-cavernous fistulas and stenotic cerebral vessels...
2015: Romanian Journal of Morphology and Embryology, Revue Roumaine de Morphologie et Embryologie
https://www.readbyqxmd.com/read/26574481/two-color-3d-3d-fusion-of-selective-rotational-cerebral-angiograms-a-novel-approach-to-imaging-in-cerebrovascular-neurosurgery
#18
Ali Jalali, Visish M Srinivasan, Ponraj Chinnadurai, Peter Kan, Adam Arthur, Edward A M Duckworth
BACKGROUND: Since its introduction, digital subtraction angiography has been considered the gold standard in diagnostic imaging for neurovascular disease. Modern post-processing techniques have made angiography even more informative to the cerebrovascular neurosurgeon or neurointerventionalist. Open neurosurgical procedures such as aneurysm clipping, extirpation of arteriovenous malformations, and extracranial-intracranial bypass remain important techniques in the armamentarium of a comprehensive cerebrovascular neurosurgeon...
October 2016: Journal of Neurointerventional Surgery
https://www.readbyqxmd.com/read/26517777/the-burden-and-risk-factors-of-ventriculostomy-occlusion-in-a-high-volume-cerebrovascular-practice-results-of-an-ongoing-prospective-database
#19
Kyle M Fargen, Brian L Hoh, Dan Neal, Timothy O'connor, Marie Rivera-Zengotita, Gregory J A Murad
OBJECT Ventriculostomy occlusion is a known complication after external ventricular drain (EVD) placement. There have been no prospective published series that primarily evaluate the incidence of and risk factors for EVD occlusion. These phenomena are investigated using a prospective database. METHODS An ongoing prospective study of all patients undergoing frontal EVD placement in the Neurosurgery Intensive Care Unit at the University of Florida was accessed for the purposes of this analysis. Demographic, procedural, and radiographic data were recorded prospectively and retrospectively...
June 2016: Journal of Neurosurgery
https://www.readbyqxmd.com/read/26422953/-validity-of-near-infrared-spectroscopy
#20
REVIEW
Kenji Yoshitani, Yoshihiko Ohnishi
Regional cerebral oxygen saturation measured by near-infrared spectroscopy has been used clinically. Its usefulness in cardiac surgery and neurosurgery was also reported. On the other hand, accuracy of rSO2 values has been supposed to be doubtful due to extra-cerebral contamination and unstable mean optical path-length. Therefore, we tried to review issues for accuracy of rSO2 values and clinical usefulness. Our aim is to clarify the issue and clinical usefulness of measuring regional cerebral oxygen saturation...
May 2015: Masui. the Japanese Journal of Anesthesiology
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