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Aneurysm, micro neurosurgery,

P Ym Woo, H T Wong, J Ks Pu, W K Wong, L Yw Wong, M Wy Lee, K Y Yam, W M Lui, W S Poon
OBJECTIVES: To determine the frequency of primary ventriculoperitoneal shunt infection among patients treated at neurosurgical centres of the Hospital Authority and to identify underlying risk factors. METHODS: This multicentre historical cohort study included consecutive patients who underwent primary ventriculoperitoneal shunting at a Hospital Authority neurosurgery centre from 1 January 2009 to 31 December 2011. The primary endpoint was shunt infection, defined as: (1) the presence of cerebrospinal fluid or shunt hardware culture that yielded the pathogenic micro-organism with associated compatible symptoms and signs of central nervous system infection or shunt malfunction; or (2) surgical incision site infection requiring shunt reinsertion (even in the absence of positive culture); or (3) intraperitoneal pseudocyst formation (even in the absence of positive culture)...
October 2016: Hong Kong Medical Journal, Xianggang Yi Xue za Zhi
Xia Li, Feng Han, Yanwei Chen, Jun Tian, Zhenmin Wang, Ping'an Sun, Minrui Zhang, Yan Cao, Yan Han, Xiaofan Jiang, Zhou Fei
OBJECTIVE: To investigate the endovascular treatments for the ruptured aneurysms located at anterior communicating artery complex (ACoAC). METHODS: The data of patients with ruptured ACoAC aneurysms treated in Department of Neurosurgery, First Affiliated Hospital to Fourth Military Medical University from May 2013 to December 2014 was retrospectively analyzed. Sixty-six cases were recruited including 50 male and 16 female patients. The patients aged from 31 to 69 years old, averaging (51±8) years...
May 1, 2016: Zhonghua Wai Ke za Zhi [Chinese Journal of Surgery]
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]
Mardjono Tjahjadi, Juri Kivelev, Joseph C Serrone, Hidetsugu Maekawa, Oleg Kerro, Behnam Rezai Jahromi, Hanna Lehto, Mika Niemelä, Juha A Hernesniemi
BACKGROUND: The basilar bifurcation aneurysm (BBA) is still considered to be one of the most challenging aneurysms for micro- and endovascular surgery. Classic surgical approaches, such as subtemporal, lateral supraorbital (LSO), and modified presigmoid, are still reliable and effective. OBJECTIVE: To analyze the clinical and radiological factors that affect the selection of these classic surgical approaches and their outcomes. METHODS: A retrospective analysis was conducted on the clinical and radiological data from computed tomographic angiography of BBA that have been clipped in the Department of Neurosurgery of Helsinki University Central Hospital between 2004 and 2014...
February 2016: Neurosurgery
Giancarlo D'Andrea, Alessandro Frati, Andrea Pietrantonio, Pietro Familiari, Antonino Raco, Luigi Ferrante
INTRODUCTION: The BrainSuite(®) is a highly integrated operating theater designed mainly for brain tumor surgery. The issues concerning its routine use in vascular neurosurgery have not been discussed in literature to date. We report our experience of surgical treatment of cerebral aneurysms in the BrainSuite(®), with a view to evaluating safety, feasibility, advantages, disadvantages, and contraindications. MATERIAL AND METHODS: Retrospectively, we reviewed all the patients affected by ruptured and unruptured aneurysms that underwent craniotomy with clipping between January 2007 and May 2013 and a subsequent minimum 12-month follow up...
June 2015: Clinical Neurology and Neurosurgery
Hai-Jun Wang, You-Fan Ye, Yin Shen, Rui Zhu, Dong-Xiao Yao, Hong-Yang Zhao
The clinical characteristics of patients who presented in poor clinical grade due to ruptured middle cerebral artery aneurysms (MCAAs) associated with large sylvian hematomas (SylH) were analyzed and an ingenious designed prophylactic hinged craniectomy was introduced. Twenty-eight patients were graded into Hunt-Hess grades IV-V and emergency standard micro-neurosurgeries (aneurysm clipping, hematoma evacuation and prophylactic hinged craniectomy) were performed, and their clinical data were retrospectively analyzed...
October 2014: Journal of Huazhong University of Science and Technology. Medical Sciences
Nancy McLaughlin, Pablo J Villablanca, Reza Jahan, Neil A Martin
BACKGROUND: The identification of infundibula on noninvasive imaging modalities may be challenging. Because these lesions have generally been viewed as nonpathological, distinguishing them from small or micro-aneurysms is important. CASE DESCRIPTION: A 39-year-old male was diagnosed with recurrence of typical orgasmic headache. An outpoutching arising from the distal part of the right P1 at the take-off of thalamoperforator arteries was visualized on noninvasive investigations...
2013: Surgical Neurology International
C Tercero, S Ikeda, K Ooe, T Fukuda, F Arai, M Negoro, I Takahashi, G Kwon
In the domain of endovascular neurosurgery, the measurement of tissue integrity is needed for simulator-based training and for the development of new intravascular instruments and treatment techniques. In vitro evaluation of tissue manipulation can be achieved using photoelastic stress analysis and vasculature modeling with photoelastic materials. In this research we constructed two types of vasculature models of saccular aneurysms for differentiation of embolization techniques according to the respect for tissue integrity measurements based on the stress within the blood vessel model wall...
December 2012: Interventional Neuroradiology
Kemal Dizdarević, Emina Selimović, Elvedina Kominlija
INTRODUCTION: The subarachnoid hemorrhage (SAH) is excess presence of blood in the subarachnoid space. The most frequent cause of SAH is cerebral aneurysm rupture and neurotrauma. The treatment strategy is specific for the different forms of SAH but all therapeutic options are based on the prevention of secondary ischemic brain injury generating after initial hemorrhage. OBJECTIVE: To point out the varieties of SAH etiology and different modalities of its treatment, especially presenting the aneurismal SAH...
2006: Medicinski Arhiv
G Rodesch, P Lasjaunias
Spinal cord arteriovenous shunts (SCAVSs) are either fistulas or niduses that can be separated in four different groups according to their localization and relationship to the dura. Paraspinal AVSs are located outside the spine and are responsible for neurological symptoms because of cord compression by ertatic veins, venous congestion or arterial steal. Epidural shunts are located in the epidural space and drain in epidural veins with secondary intradural congestion. Dural shunts are embedded in the dura, produce a cord venous myelopathy after draining through veins that either pierce the dura far from a nerve root or accompany a nerve root...
June 2003: European Journal of Radiology
Uğur Türe, Ilhan Elmaci, Gazanfer Ekinci, M Necmettin Pamir
The diagnosis and treatment of intracranial saccular giant aneurysms is still difficult despite developments in neuroradiology, neuroanesthesiology and micro-neurosurgery. These aneurysms are usually located on major intracranial arteries and are rarely on distal branches of these arteries. An extra-axial 4 x 5 cm mass lesion in the left mediobasal temporal region was detected on the CT and MRI examinations of a 37 year old male patient who was admitted to our institution with headache and slight right-sided hemiparesis lasting for 2 months...
January 2003: Journal of Clinical Neuroscience: Official Journal of the Neurosurgical Society of Australasia
S Takac, S Stojanović, B Muhi
The knowledge about different types of lasers and their potential use in medicine is presented. A very rapid development of laser technology in the world imposes a need for up-to-date information about the characteristics of different laser instruments. Without this kind of information it would be difficult to keep in touch with the latest developments in the world's technology. Different types of lasers have different indication range in the medical practice. An inquiry into the fundamental principles of lasers physics is an important prerequisite for successful application of this technology in medicine...
March 1998: Medicinski Pregled
V Seifert
With the increasing life expectancy of the general population, the number of geriatric patients with aneurysmatic subarachnoid bleeding consulting the neurosurgeon is also increasing. The possibilities of modern micro-neurosurgery have created a situation that permits craniotomy and aneurysmal clipping in the geriatric patient with an acceptably low level of risk and high probability of high post-operative quality of life. Although a definitive evaluation of perioperative administration of calcium channel blockers in geriatric patients with an aneurysm is not yet possible, experience so far gained points to their positive effect on a more rapid and more pronounced resolution of the post-hemorrhagic impairment of the cognitive performance...
October 10, 1993: Fortschritte der Medizin
R W Rand, P J Jannetta
No abstract text is available yet for this article.
October 1967: Journal of Neurosurgery
E de Divitiis, R Donzelli, R Spaziante, P Cappabianca, F Caputi, A Russo
The authors present their experiences in experimental micro-neuro-surgery referring to the last 2 years. In the field of vascular microsurgery, they explored: the possibility of performing end-to-side anastomoses reducing to few minutes the blood flow interruption in the receiving vessel; experimental reconstructive techniques of the arterial wall in case of giant aneurysm; micro-anastomoses between vessels with calibre smaller than 1 mm. The possibility of carrying out nervous anastomoses between intercostal and lumbar nerves to re-innervate these latter has been also examined on the basis of experimental trials...
1986: Neuro-Chirurgie
F Vincentelli, G Caruso, C Andriamamonjy, P Rabehanta, N Graziani, F Grisoli, A Gouaze, R P Vigouroux
The lenticulostriate arteries are the subject of a microanatomical study on 50 formalin fixed human brains. A single trunk arising from the middle cerebral artery is rarely found. In fact the branches are numerous and they are found to ramify before penetrating the anterior perforated substance. The length of the sphenoidal segment is variable and this aspect is discussed in the light of the literature data. The origin of the perforating branches is spread from the internal carotid artery to the bifurcation branches of the middle cerebral artery (M2 segment)...
1990: Neuro-Chirurgie
R T Higashida, G B Hieshima, V V Halbach
Treatment of complex cerebrovascular disorders, including intracranial aneurysms, carotid cavernous sinus fistulas, vertebral fistulas, arteriovenous malformations, atherosclerosis of brachiocephalic vessels, and arterial vasospasm, is being performed in selected cases by interventional neurovascular techniques. Recent advances in microballoon technology, permanent solidifying polymers, newer embolic agents, high-resolution digital subtraction angiography with road-mapping technique, and steerable micro-guide wires and catheters have greatly improved access in the distal intracranial circulation and markedly reduced the morbidity associated with these procedures...
February 1991: Circulation
J C Lynch, R A De Andrade
Thirty eight patients with multiple intracranial aneurysms were studied. They correspond to 19.4% of all aneurysms treated over a twelve year period in the Servidores do Estado Hospital. 89 aneurysms and 4 infundibuli were detected. In 71.0% of the patients, two aneurysms were found; in 18.4%, three aneurysms; and in 10.4%, 4 or 5 aneurysms were observed. Twenty-seven patients were women and 11 men, ranging in age from 16 to 72 (average 47 years old). Subarachnoid hemorrhage was found in 36 patients (86.8%)...
March 1992: Arquivos de Neuro-psiquiatria
D C Bader
No abstract text is available yet for this article.
July 1975: Journal of Neurosurgical Nursing
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