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Journals Minimally Invasive Neurosurger...

Minimally Invasive Neurosurgery : MIN

https://read.qxmd.com/read/22278782/individualized-pterional-keyhole-clipping-surgery-based-on-a-preoperative-three-dimensional-virtual-osteotomy-technique-for-unruptured-middle-cerebral-artery-aneurysm
#21
JOURNAL ARTICLE
K Mori, T Esaki, T Yamamoto, Y Nakao
OBJECTIVE: Individualized surgical simulation using three-dimensional (3D) imaging to allow safe performance of clipping surgery for unruptured middle cerebral artery (MCA) aneurysm via pterional keyhole mini-craniotomy was performed in 100 consecutive patients. METHODS: 3D images were reconstructed of the skin, skull, cerebral arteries and veins, and aneurysm. The size, shape, and location of the scheduled keyhole and the patient's head position were individually optimized using this preoperative simulation system...
October 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/22278781/evaluation-of-indirect-decompression-of-the-lumbar-spinal-canal-following-minimally-invasive-lateral-transpsoas-interbody-fusion-radiographic-and-outcome-analysis
#22
JOURNAL ARTICLE
E H Elowitz, D S Yanni, M Chwajol, R M Starke, N I Perin
BACKGROUND: The surgical treatment of lumbar stenosis traditionally includes laminectomy for direct decompression of the spinal canal. Selected patients with spinal stenosis may also require lumbar fusion. Minimally invasive lateral transpsoas interbody fusion has the ability of placing a large interbody cage that can increase disc height and distract the spinal level. The purpose of this study was to examine the concept of indirect decompression of the spinal canal in patients with co-existing lumbar spinal stenosis undergoing lateral transpsoas interbody fusion...
October 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922451/simple-effective-supine-positioning-for-the-retrosigmoid-approach
#23
JOURNAL ARTICLE
S D Wait, R Gazzeri, M Galarza, C Teo
BACKGROUND: The retrosigmoid approach is often used for posterior fossa pathology. Many variations of positioning exist. Here, we report a simple, safe, and quick positioning technique which maximizes patient safety, surgeon comfort, and intraoperative view. METHODS: We reviewed the senior author's prospective surgical database for retrosigmoid approaches to the posterior fossa and noted any complications or difficult exposures. RESULTS: Over 970 retrosigmoid operations were performed over the course of 19 years...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922450/neuroendoscopic-management-of-intraventricular-germinoma-at-the-foramen-of-monro-case-report-and-review-of-the-literature
#24
REVIEW
C-M Yip, S-S Hsu, W-C Liao, J-Y Chen, S-H Liu, C-H Chen
BACKGROUND: Intraventricular tumors account for approximately 3% of adult brain tumors and 16% of childhood and adolescent brain tumors. Half of the intraventricular tumors in adults and one quarter of those in children are found in the lateral ventricles. Ependymoma, astrocytoma, oligodendroglioma, choroid plexus papilloma, meningioma and subependymal giant cell astrocytoma are the common tumors encountered at this particular site. A germinoma at this site is rare. Microsurgery of intraventricular tumors can be challenging and is performed with potential functional and cognitive complications...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922449/visualization-and-monitoring-of-acute-epistaxis-during-endovascular-treatment-using-a-flat-detector-ct
#25
JOURNAL ARTICLE
S Ott, T Struffert, V Hertel, T Engelhorn, P Gölitz, V Arlt, A Dörfler
BACKGROUND: Epistaxis is one of the most common emergencies of ENT surgery and can be managed conservatively in most cases. However, transarterial embolization is an accepted treatment option for intractable epistaxis, if conservative management fails. But often, direct detection of the bleeding point by obvious contrast extravasation is not possible in conventional subtracted angiographic series (DSA). Then the suspected bleeding point is treated by endovascular embolization based on the clinical suspicion...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922448/deep-brain-stimulation-for-dejerine-roussy-syndrome-case-report
#26
JOURNAL ARTICLE
R V Alves, W T Asfora
BACKGROUND: The term "central post-stroke pain" is more appropriate to describe neuropathic pain following a cerebrovascular accident. Most patients complain of burning and other symptoms like lacerating and shooting pain. Treatment options for central pain are limited in number and efficacy. CASE REPORT: This paper reports on a 47-year-old man with central post-stroke pain refractory to treatment. The patient underwent insertion of a deep brain stimulator utilizing the Leksell frame...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922447/endoscopic-endonasal-resection-of-the-odontoid-process-as-a-standalone-decompressive-procedure-for-basilar-invagination-in-chiari-type-i-malformation
#27
JOURNAL ARTICLE
F Scholtes, F Signorelli, N McLaughlin, F Lavigne, M W Bojanowski
BACKGROUND: The expanded endonasal approach of the cranio-cervical junction provides comfortable working space while avoiding some of the disadvantages of the transoral route. We report a purely endonasal endoscopic resection of the odontoid process for basilar invagination in a patient with a Chiari type I malformation, without posterior decompression or fusion. CASE REPORT: A 54-year-old female patient presented with cranial nerve and brainstem deficits. CT and MRI showed a Chiari type I malformation and compression of the medulla by basilar invagination of the odontoid process...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922446/use-of-nitinol-shape-memory-alloy-staples-niti-clips-after-cervical-discoidectomy-minimally-invasive-instrumentation-and-long-term-results
#28
JOURNAL ARTICLE
D Singh, S Sinha, H Singh, A Jagetia, S Gupta, P Gangoo, M Tandon
BACKGROUND: Anterior cervical discoidectomy with or without fusion is a well established surgical remedy for cervical prolapsed intervertebral disc (PIVD) disease. If fusion is done by an iliac bone graft then internal fixation is commonly used to keep the graft in position. This study was conducted to determine the efficacy and tolerability of shape memory alloys, especially NiTi (nickel titanium) clips in the stabilization of grafts following anterior cervical discoidectomy. METHODS: 133 NiTi clips were applied in 119 patients between January 2002 and December 2008...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922445/minimally-invasive-retropleural-approach-for-central-thoracic-disc-herniation
#29
JOURNAL ARTICLE
M K Kasliwal, H Deutsch
BACKGROUND: The management of symptomatic thoracic disc herniation (TDH) has evolved tremendously ever since the first laminectomy was performed. The last decade has witnessed the evolution of minimally invasive approaches for TDH most of which have been posterior/posterolateral. Traditional anterior approaches involve a thoracotomy or more recently, thoracoscopic techniques. The authors describe a less invasive anterior retropleural surgical approach to address central thoracic disk herniations which is less extensive than a thoracotomy and allows better anterior access than posterior or posterolateral approaches...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922444/sella-turcica-anatomy-by-three-dimensional-computed-tomography-for-an-endonasal-transsphenoidal-approach-to-pituitary-adenoma
#30
JOURNAL ARTICLE
S-X Xiao, Y-H Ma, R-Y Zhan, L Wen
BACKGROUND: The aim of this study was to identify the anatomic landmarks of sella turcica on the surface of the head, and to investigate the feasibility of studying sella turcica anatomy individually by three-dimensional computed tomography (3D-CT) before an endonasal transsphenoidal operation. PATIENTS AND METHODS: The three-dimensional anatomic structures of the heads of 49 patients were studied by 3D-CT using image reconstruction with surgical clip image registration...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922443/the-supraorbital-approach-for-recurrent-or-residual-suprasellar-tumors
#31
JOURNAL ARTICLE
N McLaughlin, L F S Ditzel Filho, K Shahlaie, D Solari, A B Kassam, D F Kelly
BACKGROUND: Suprasellar tumors can be removed through a variety of approaches including conventional frontotemporal craniotomies, the transsphenoidal route, or the supraorbital (SO) eyebrow craniotomy. Herein we assess the utility of the SO route for recurrent or residual suprasellar tumors previously treated by an alternative route. MATERIAL AND METHODS: A retrospective analysis of all consecutive patients who underwent an SO approach for removal of a recurrent/residual tumor was undertaken...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21922442/purely-endoscopic-removal-of-intraventricular-brain-tumors-a-consensus-opinion-and-update
#32
JOURNAL ARTICLE
L Qiao, M M Souweidane
BACKGROUND: The main purpose of this project is to define the major indications, preferences, techniques, limitations, and complications associated with intraventricular tumor removal using purely endoscopic techniques. METHODS: Published papers on neuroendoscopy were reviewed, and a questionnaire about purely endoscopic surgery for intraventricular brain tumors was designed. The questionnaire included details regarding neuroendoscopic techniques, surgeons' endoscopic experience, and clinical vignettes...
August 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863525/minimally-invasive-technique-for-decompression-of-lumbar-foraminal-stenosis-using-a-spinal-microendoscope-technical-note
#33
JOURNAL ARTICLE
M Yoshimoto, T Takebayashi, S Kawaguchi, H Tsuda, K Ida, T Wada, D Suzuki, T Yamashita
BACKGROUND: Lumbar foraminal stenosis is a troublesome disease. Decompression of the whole length of the nerve root from the spinal canal to extraforaminal zone is often a surgical requirement due to the difficulty in identifying the nerve compression site before surgery, making preservation of the posterior elements difficult. The authors report a minimally invasive microendoscopic technique for lumbar foraminal stenosis to decompress the entire length of the nerve root from the spinal canal to the extraforaminal zone while preserving the posterior elements...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863524/neuroendoscopy-combined-with-intraoperative-low-field-magnetic-imaging-for-treatment-of-multiloculated-hydrocephalus-in-a-7-month-old-infant-technical-case-report
#34
JOURNAL ARTICLE
P Tabakow, M Czyz, W Jarmundowicz, W Zub
BACKGROUND: Treatment of multiloculated hydrocephalus in children remains a difficult neurosurgical problem because of the high recurrence rate. Endoscopic septostomy with subsequent ventriculoperitoneal shunting is one of the most widely accepted therapeutic methods. Intraventricular endoscopic surgery combined with intraoperative magnetic resonance (MR) has been used very seldom in infants. CASE REPORT: A 7-month-old infant presented with a history of postnatal hydrocephalus from the germinal matrix and intraventricular hemorrhage, treated with a ventriculoperitoneal shunt...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863523/spontaneous-debulking-of-middle-fossa-chordoma-extension-after-transnasal-petroclival-biopsy-report-of-a-case
#35
JOURNAL ARTICLE
G Singh, P Nakaji, F Chen, M Garrett, A Little, J Milligan
BACKGROUND: Clival chordomas are difficult tumors to treat, particularly when they have already grown beyond the confines of the clivus. PATIENT: We report the case of a 52-year-old man with a clival mass consistent with a chordoma with a prominent extension into the right middle fossa. At the patient's request, he underwent a simple endonasal biopsy to confirm the diagnosis. A second debulking procedure was planned to debulk the remnant tumor. However, follow-up magnetic resonance imaging showed that much of the middle fossa tumor had decompressed itself through the clival defect into the patient's pharynx...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863522/floseal-hemostatic-matrix-use-for-intraventricular-hemorrhage-during-a-neuroendoscopic-procedure
#36
JOURNAL ARTICLE
A Reeves, M Muhonen, W Loudon
INTRODUCTION: Neuroendoscopy is a rapidly growing field, but the risk of intraventricular hemorrhage is signficant. There are few novel ways of obtaining hemostasis for major hemorrhage described in the literature. PATIENT: A 5-year-old boy with a history of intraventricular hemorrhage and multi-cystic hydrocephalus presented with worsening brainstem compression from dilation of a 4 (th) ventricle cyst. RESULTS: During endoscopic surgery to fenestrate the cyst, arterial hemorrhage was emergently controlled with the hemostatic agent, FloSeal...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863521/a-ruptured-intraorbital-ophthalmic-artery-aneurysm-associated-with-a-dural-arteriovenous-fistula-combined-transarterial-and-transvenous-endovascular-treatment
#37
JOURNAL ARTICLE
M Kirsch, H Henkes
BACKGROUND: True aneurysms of the ophthalmic artery (OA) are extremely rare and most often arise at the origin of this artery. We present the endovascular management of a ruptured intraorbital OA aneurysm and of an associated dural arteriovenous fistula (dAVF). PATIENT: A patient with a ruptured intraorbital ophthalmic artery aneurysm, associated with a dAVF with cortical drainage presented with acute visual loss and intra- and periorbital hematoma. The aneurysm was treated by endovascular coil occlusion...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863520/neuronavigation-guided-endoscopic-management-of-a-pineal-region-tumour-with-obscured-floor-of-the-third-ventricle-case-report
#38
JOURNAL ARTICLE
Z Idris, A R I Ghani, B Idris, M Muzaimi, S Awang, H K Pal, J M Abdullah
BACKGROUND: Shunt surgery is frequently chosen to manage periventricular metastasis of pineal region tumours which obscured the floor of the third ventricle. However, this procedure falls short due to distant metastasis. Neuronavigation-guided endoscopic surgery offers a viable alternative. PATIENT: A 17-year-old man became symptomatic from widespread periventricular metastasis of a pineal region tumour which completely obscured the floor of the third ventricle...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863519/cranial-bone-flap-fixation-using-a-new-device-cranial-looptm
#39
JOURNAL ARTICLE
K Van Loock, T Menovsky, N Kamerling, D De Ridder
BACKGROUND: Fixation of bone flaps after craniotomy is a routine part of every neurosurgical procedure and there are various options to fixate the bone flap. In this paper, we report on a new cranial bone flap fixation d(Cranial Loop) implanted in 35 consecutive patients. METHODS: The principle of cranial loop is the same as that of a tie rope. With a simple “pull and tighten” movement, the device is implanted without the need for additional instruments. The cranial loop is made of PEEK [poly(aryl)-ether-ether-ketone] material with the main advantage of being artifact free on postoperative imaging...
June 2011: Minimally Invasive Neurosurgery: MIN
https://read.qxmd.com/read/21863518/frameless-image-guided-neuroendoscopy-training-in-real-simulators
#40
JOURNAL ARTICLE
G Coelho, C Kondageski, F Vaz-Guimarães Filho, R Ramina, S C Hunhevicz, F Daga, M R Lyra, S Cavalheiro, S T Zymberg
BACKGROUND: Over the last decade, neuroendoscopy has re-emerged as an interesting option in the management of intraventricular lesions in both children and adults. Nonetheless, as it has become more difficult to use cadaveric specimens in training, the development of alternative methods was vital. The aim of this study was to analyze the performance of a real simulator, in association with image-guided navigation, as a teaching tool for the training of intraventricular endoscopic procedures...
June 2011: Minimally Invasive Neurosurgery: MIN
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