14,328 results match your criteria Acta Neurochirurgica[Journal]


"Bucket" cerebrospinal fluid bulk flow: when the terrain disagrees with the map.

Acta Neurochir (Wien) 2018 Dec 17. Epub 2018 Dec 17.

Department of Radiology and Nuclear Medicine, Oslo University Hospital, Rikshospitalet, Oslo, Norway.

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http://dx.doi.org/10.1007/s00701-018-3775-6DOI Listing
December 2018

Histopathologic changes inside the lateral femoral cutaneous nerve obtained from patients with persistent symptoms of meralgia paresthetica.

Acta Neurochir (Wien) 2018 Dec 17. Epub 2018 Dec 17.

Department of Pathology, Leiden University Medical Center, Leiden, The Netherlands.

Background: In patients with persistent symptoms of meralgia paresthetica, a neurectomy of the lateral femoral cutaneous nerve (LFCN) can be performed to alleviate pain symptoms. The neurectomy procedure can be performed either as a primary procedure or after failure of a previously performed neurolysis or decompression of the LFNC (secondary neurectomy). The goal of the present study was to quantify the histopathologic changes inside the LFCN obtained from patients with persistent symptoms of meralgia paresthetica, and specifically to compare to what extend these changes are present after primary versus secondary neurectomy. Read More

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http://dx.doi.org/10.1007/s00701-018-3773-8DOI Listing
December 2018

Ruptured intrameatal anterior inferior cerebellar artery aneurysm associated with obstructed internal auditory artery in a patient with sudden hearing loss and vertigo.

Acta Neurochir (Wien) 2018 Dec 17. Epub 2018 Dec 17.

Department of Cerebrovascular Surgery, Saitama Medical University International Medical Center, 1397-1 Yamane, Hidaka, Saitama, 350-1298, Japan.

Background: Intrameatal aneurysms arising from the meatal loop of the anterior inferior cerebellar artery (AICA) are extremely rare.

Case Presentation: We report a 60-year-old man presenting with severe vertigo and sudden left hearing loss associated with subarachnoid hemorrhage caused by rupture of a saccular aneurysm arising from the meatal loop of the AICA, which was entirely buried in the meatus. Intraoperatively, we identified the occluded internal auditory artery arising from the meatal loop of the AICA, where the aneurysm originated, and performed neck clipping. Read More

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http://dx.doi.org/10.1007/s00701-018-3771-xDOI Listing
December 2018

Leakage sign for acute subdural hematoma in clinical treatment.

Acta Neurochir (Wien) 2018 Dec 17. Epub 2018 Dec 17.

Department of Neurosurgery, Kurume University School of Medicine, 67 Asahimachi, Kurume, 830-0011, Japan.

Background: Acute subdural hematoma (ASDH) is a serious traumatic disease, and predictive methods for hematoma growth are necessary to decide whether emergent operation is necessary. This study aimed to evaluate the incidence of "leakage" using computed tomography angiography (CTA) in patients with ASDH and to identify its prognostic value.

Methods: Sixty-seven patients with ASDH were examined using CTA (mean age 64. Read More

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http://dx.doi.org/10.1007/s00701-018-3755-xDOI Listing
December 2018

Efficiency and complications of Woven EndoBridge (WEB) devices for treatment of larger, complex intracranial aneurysms-a single-center experience.

Acta Neurochir (Wien) 2018 Dec 13. Epub 2018 Dec 13.

Institute of Clinical Medicine, University in Oslo, Problemveien 17, 0315, Oslo, Norway.

Background: Several recently published multicenter studies have reported high treatment feasibility, high safety, and good 6-month to 1-year efficiency when treating smaller intracranial aneurysms (IA) with WEB deployment. The purpose of the study was to evaluate the long-term efficiency and complications related to WEB treatment of larger, complex intracranial aneurysms in a small single-center cohort.

Methods: Patients with ruptured and unruptured IA were treated with WEB devices; data were collected prospectively and analyzed retrospectively. Read More

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http://link.springer.com/10.1007/s00701-018-3752-0
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http://dx.doi.org/10.1007/s00701-018-3752-0DOI Listing
December 2018
2 Reads

Correction to: Intracranial foreign material granuloma after neurosurgical procedures.

Acta Neurochir (Wien) 2018 Dec 13. Epub 2018 Dec 13.

Department of Neurosurgery, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hanover, Germany.

Incorrect title of the article. Read More

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http://dx.doi.org/10.1007/s00701-018-3766-7DOI Listing
December 2018
1 Read

Pituitary adenoma apoplexy associated with vardenafil intake.

Acta Neurochir (Wien) 2018 Dec 12. Epub 2018 Dec 12.

Department of Neurological Surgery, Dentistry, and Pharmaceutical Sciences, Okayama University Graduate School of Medicine, 2-5-1 Shikata-cho, Kita-ku, Okayama, 700-8558, Japan.

Vardenafil is a potent phosphodiesterase-5 (PDE-5) inhibitor used in the treatment of erectile dysfunction. Several cases of stroke related to the use of PDE-5 inhibitors have been reported. Here, we describe the case of a 51-year-old man with headache and right ophthalmoplegia subsequent to vardenafil consumption. Read More

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http://dx.doi.org/10.1007/s00701-018-3763-xDOI Listing
December 2018
1 Read

Mathematical skills in children with pilocytic astrocytoma.

Acta Neurochir (Wien) 2018 Dec 6. Epub 2018 Dec 6.

IRCCS San Camillo Hospital Foundation, Neuropsychology Unit, Lido, Venice, Italy.

Background: Pediatric patients with circumscribed cerebellar pilocytic astrocytoma (PA) tumors generally perform within the normal range on neuropsychological tests after a complete tumor resection. The outcome in academically relevant abilities such as mathematics, which in adults involve some cerebellar functions, is however much less understood. The aim of this study is to retrospectively investigate the neuroplasticity of mathematical skills and associated cognitive functions following cerebellar resection of PA in pediatric patients. Read More

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http://dx.doi.org/10.1007/s00701-018-3744-0DOI Listing
December 2018

A summer wave of vertebral fractures: the "deck-slap" injury.

Acta Neurochir (Wien) 2018 Dec 11. Epub 2018 Dec 11.

Department of Neurosurgery, Sainte-Anne Military Hospital, BP 600, 83800, Toulon Cedex 09, France.

Background: Every summer, several patients who suffer from vertebral fractures are hospitalized at the Sainte-Anne Military Hospital after going on a boat trip around the French Riviera. The uniqueness of these fractures lies in their mechanism of injury, called the "deck-slap" injury. The aim of this study is to describe the characteristics of the "deck-slap" injury. Read More

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http://link.springer.com/10.1007/s00701-018-3759-6
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http://dx.doi.org/10.1007/s00701-018-3759-6DOI Listing
December 2018
2 Reads

Predictors of cognitive function in the acute phase after aneurysmal subarachnoid hemorrhage.

Acta Neurochir (Wien) 2018 Dec 8. Epub 2018 Dec 8.

Department of Neurosurgery, Oslo University Hospital, Rikshospitalet, P.B. 4950, Nydalen, 0424, Oslo, Norway.

Background: Cognitive dysfunction is the most common form of neurological impairment after aneurysmal subarachnoid hemorrhage (aSAH) in the chronic phase. Cognitive deficits in the acute phase after aSAH, however, remain scarcely investigated. The aim of the present study was to test cognitive function and to identify medical predictors of cognitive deficits in the acute phase of aSAH. Read More

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http://link.springer.com/10.1007/s00701-018-3760-0
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http://dx.doi.org/10.1007/s00701-018-3760-0DOI Listing
December 2018
2 Reads

Gamma Knife radiosurgery for intravestibular and intracochlear schwannomas.

Acta Neurochir (Wien) 2018 Dec 8. Epub 2018 Dec 8.

Centre Hospitalier Universitaire Vaudois (CHUV), Neurosurgery Service and Gamma Knife Center, Rue du Bugnon 44-46, BH-08, CH-1011, Lausanne, Switzerland.

Background: Schwannomas of the VIIIth cranial nerve are benign tumours, with vast majority occurring in vestibular division. Rarely, they can also arise from distal branches of cochlear, superior or inferior vestibular. We review our experience with Gamma Knife radiosurgery (GKR), as first intention treatment for intracochlear (ICS) and intravestibular (IVS) schwannomas. Read More

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http://link.springer.com/10.1007/s00701-018-3762-y
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http://dx.doi.org/10.1007/s00701-018-3762-yDOI Listing
December 2018
4 Reads

Hearing preservation in small acoustic neuroma: observation or active therapy? Literature review and institutional experience.

Acta Neurochir (Wien) 2018 Dec 8. Epub 2018 Dec 8.

Academic Neurosurgery, Department of Neurosciences, University Hospital of Padova, Via Giustiniani 2, 35128, Padova, Italy.

Background: Current imaging modalities enable early diagnosis of a large number of small acoustic neuromas in patients with well-preserved hearing, whose best management is still a debatable matter.

Methods: Comparing the hearing outcome of the various therapeutical approaches, including observation, radiosurgery, or resective surgery, is not easy because of the numerous classifications measuring hearing in different ways. In this review, a literature review was performed and papers selected dealing with small tumors, short- and long-term hearing, tumor control or radical resection, and effect of pre-treatment hearing and size on outcome. Read More

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http://dx.doi.org/10.1007/s00701-018-3739-xDOI Listing
December 2018
1 Read

Social media for dissemination and public engagement in neurosurgery-the example of Brainbook.

Acta Neurochir (Wien) 2018 Dec 10. Epub 2018 Dec 10.

Department of Neurosurgery, The Royal London Hospital, London, UK.

Background: Public engagement has become one of the most effective tools in gaining feedback and perspectives from members of the public, involving patients with decisions, and inspiring young people to carry the medical profession forwards. Brainbook is a multi-platform, social media-based resource that was created specifically to enhance public engagement in neurosurgery and results from one of its case discussions will be reported in this paper.

Methods: A Brainbook case was created in collaboration with the NIHR Global Health Research Group on Neurotrauma and presented over 3 days (23-25 February 2018). Read More

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http://dx.doi.org/10.1007/s00701-018-3757-8DOI Listing
December 2018

Foreign body granulomas following cranial neurosurgical procedures.

Acta Neurochir (Wien) 2018 Nov 30. Epub 2018 Nov 30.

Department of Neurosurgery, Adnan Menderes University Hospital, Aydın, Turkey.

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http://link.springer.com/10.1007/s00701-018-3750-2
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http://dx.doi.org/10.1007/s00701-018-3750-2DOI Listing
November 2018
2 Reads
1.788 Impact Factor

Experiences with a temporary synthetic skin substitute after decompressive craniectomy: a retrospective two-center analysis.

Acta Neurochir (Wien) 2018 Dec 4. Epub 2018 Dec 4.

Department of Neurosurgery, Trauma Center Murnau, Professor-Küntscher Straße 8, 82418, Murnau, Germany.

Background: Decompressive craniectomy is a commonly performed procedure. It reduces intracranial pressure, improves survival, and thus might have a positive impact on several neurosurgical diseases and emergencies. Sometimes primary skin closure is not possible due to cerebral herniation or extensive skin defects. Read More

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http://dx.doi.org/10.1007/s00701-018-3748-9DOI Listing
December 2018
2 Reads

Is surgical parent artery occlusion effective for intracranial aneurysms measuring over 10 mm in size? Result from long-term follow-up of size changes and outcomes.

Acta Neurochir (Wien) 2018 Dec 4. Epub 2018 Dec 4.

Department of Neurosurgery, Showa University School of Medicine, 5-8 Hatanodai 1-chome, Shinagawa-ku, Tokyo, 142-8666, Japan.

Background: There have been no long-term follow-up reports pertaining to chronological size changes in large or giant unruptured intracranial aneurysms treated with surgical parent artery occlusion (PAO). The object of this study is to investigate the utility and safety of surgical PAO by conducting a long-term follow-up of chronological aneurysm size changes and outcomes.

Methods: A retrospective study of 21 unruptured intracranial aneurysms measuring over 10 mm (20 patients) treated with surgical PAO in the period 2012-2017 was conducted. Read More

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http://dx.doi.org/10.1007/s00701-018-3756-9DOI Listing
December 2018
1 Read

Application of neuro-endoscopic target aspiration of the necrotic core for cerebral contusion with delayed progression: technical note.

Acta Neurochir (Wien) 2018 Dec 4. Epub 2018 Dec 4.

Department of Neurosurgery, Tohoku University Graduate School of Medicine, Sendai, Japan.

Background: The optimal management strategy for cerebral contusion remains controversial, especially when standard craniotomy could not be used. We performed neuro-endoscopic target lesionectomy for the delayed progression of cerebral contusion in order to aspirate the necrotic core, which is the primal source of contusional edema.

Methods: The present study included 10 consecutive patients (2 women and 8 men, with a mean age of 67 years old) with traumatic brain injury presenting with delayed deterioration of cerebral contusion where standard craniotomy could not be used. Read More

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http://dx.doi.org/10.1007/s00701-018-3753-zDOI Listing
December 2018
1 Read

Defining "early" cranioplasty to achieve lower complication rates of bone flap failure: resorption and infection.

Acta Neurochir (Wien) 2018 Dec 4. Epub 2018 Dec 4.

Department of Neurosurgery, Korea University Guro Hospital, Korea University College of Medicine, Seoul, Republic of Korea.

Background: Although cranioplasty (CP) is a frequently performed and simple procedure, complications are common, particularly bone flap resorption and infection. The timing of surgery is as an important contributory factor, but the optimal timing has not been clearly determined.

Objective: We retrospectively investigated bone flap resorption and surgical site infection after CP to determine the optimal timing of surgery for reduction of complications. Read More

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http://dx.doi.org/10.1007/s00701-018-3749-8DOI Listing
December 2018
1 Read

Synchronous bilateral hemifacial spasm: case-report and literature review.

Acta Neurochir (Wien) 2018 Dec 4. Epub 2018 Dec 4.

Department of Neurosurgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Jiefang Avenue 1277, Wuhan, 430022, Hubei, China.

Bilateral hemifacial spasm (biHFS) is an infrequent cranial nerve disorder that causes patients to suffer from severe psychological stress, and there are no reported cases of synchronous biHFS. In this study, a 46-year-old right-handed woman was diagnosed with a synchronous biHFS. After one unilateral microvascular decompression (MVD) surgery, the left facial twitching movements relieved immediately, and the right side twitching movements self-relieved the next day. Read More

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http://dx.doi.org/10.1007/s00701-018-3725-3DOI Listing
December 2018
3 Reads

Social networking sites: emerging tools for communication in neurosurgery.

Acta Neurochir (Wien) 2018 Dec 3. Epub 2018 Dec 3.

Radboud University Medical Centre, Geert Grooteplein Zuid 10, 6525, GA, Nijmegen, The Netherlands.

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http://dx.doi.org/10.1007/s00701-018-3758-7DOI Listing
December 2018
1 Read

Intracranial foreign material granuloma after neurosurgical procedures.

Acta Neurochir (Wien) 2018 Nov 29. Epub 2018 Nov 29.

Department of Neurosurgery, Hannover Medical School, Carl-Neuberg Str. 1, 30625, Hanover, Germany.

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http://dx.doi.org/10.1007/s00701-018-3751-1DOI Listing
November 2018
2 Reads

Hearing preservation after removal of small vestibular schwannomas by retrosigmoid approach: comparison of two different ABR neuromonitoring techniques.

Acta Neurochir (Wien) 2018 Nov 27. Epub 2018 Nov 27.

Department of Surgical Specialties, Division of Neurosurgery and Unit of Neurophysiopathology, San Filippo Neri Hospital/ASLRoma1, Via Reno 14, 00198, Rome, Italy.

Background And Objective: Goals of small vestibular schwannoma (VS) microneurosurgery are as follows: radical resection, facial nerve (FN) preservation, and hearing preservation (HP). Microsurgical advances make HP possible in many patients with preoperative socially useful hearing (SUH). We evaluated postoperative HP in VS with maximum diameter < 2 cm monitored with two different auditory brainstem response (ABR) techniques. Read More

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http://link.springer.com/10.1007/s00701-018-3740-4
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http://dx.doi.org/10.1007/s00701-018-3740-4DOI Listing
November 2018
1 Read

Transferring of femoral nerve motor branches for high-level sciatic nerve injury: a cadaver feasibility study.

Acta Neurochir (Wien) 2018 Nov 27. Epub 2018 Nov 27.

Department of Orthopedics, Changzheng Hospital, Second Military Medical University, Shanghai, 200003, People's Republic of China.

Background: Sciatic nerve injuries cause significant disability. We propose here a novel reconstructive procedure of transferring the motor branches of the femoral nerve as donor nerves to reconstruct both the peroneal and tibial nerve function as a novel approach to treat high sciatic nerve injury.

Methods: The autopsies of donor nerves (vastus lateralis nerve branch (VLN), vastus medialis nerve branch (VMN), saphenous nerve (SAN)) and respective recipient nerves (deep peroneal nerve branch (DPN), medial gastrocnemius nerve branch (MGN), sural nerve (SN)) were conducted in six fresh-frozen lower limbs. Read More

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http://dx.doi.org/10.1007/s00701-018-3746-yDOI Listing
November 2018
1 Read

Use of intraoperative intracavitary (direct-contact) ultrasound for resection control in transsphenoidal surgery for pituitary tumors: evaluation of a microsurgical series.

Acta Neurochir (Wien) 2018 Nov 27. Epub 2018 Nov 27.

Department of Neurosurgery, Johannes Wesling Klinikum, University Hospital of Ruhr-Universität Bochum, Hans Nolte Str. 1, 32429, Minden, Germany.

Background: Perisellar infiltration may be responsible for incomplete removal of pituitary tumors. Since intraoperative visualization of parasellar structures is difficult during transsphenoidal surgery, we are describing the use of intraoperative direct contact ultrasound (IOUS).

Methods: Within 5 years, in 113 transsphenoidal operations (58 male, 55 female, age 14-81 years, 110 pituitary adenomas (mean diameter 26. Read More

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http://dx.doi.org/10.1007/s00701-018-3747-xDOI Listing
November 2018
3 Reads

Incidence, depth, and severity of surgical site infections after neurosurgical interventions.

Acta Neurochir (Wien) 2018 Nov 27. Epub 2018 Nov 27.

Department of Neurosurgery, University Hospital Zurich & Clinical Neuroscience Center, University of Zurich, Frauenklinikstrasse 10, 8091, Zurich, Switzerland.

Background: Today, there are only few reports on the incidence of surgical site infections (SSIs) in neurosurgery. The objective of this work was to determine the rate of SSI at a tertiary neurosurgical department for benchmarking purpose.

Methods: Data of consecutive patients undergoing neurosurgical treatment between January 2013 and December 2016 were prospectively entered into a registry. Read More

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http://dx.doi.org/10.1007/s00701-018-3745-zDOI Listing
November 2018
1 Read

Clipping of a superior hypophyseal artery aneurysm during endoscopic transnasal removal of a Rathke cleft cyst: a case report.

Acta Neurochir (Wien) 2018 Nov 26. Epub 2018 Nov 26.

Department of Neurosurgery, Clinical Neuroscience Center, University Hospital of Zürich, University of Zürich, Frauenklinikstrasse 10, 8006, Zürich, Switzerland.

The concomitant presence of an aneurysm in contact with a sellar lesion usually contraindicates a transsphenoidal approach (TSS). Clipping of an intracranial aneurysm is however possible in highly selected cases also through an endoscopic TSS approach, as long as the basic principles of cerebrovascular surgery are respected. We report thus on a case of a patient harboring a Rathke cleft cyst (RCC) and an aneurysm of the carotid artery (ICA) in close contact with the RCC. Read More

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http://dx.doi.org/10.1007/s00701-018-3728-0DOI Listing
November 2018

How I do it: operative nuances of multiple burr hole surgery for moyamoya disease and syndrome.

Acta Neurochir (Wien) 2018 Nov 24. Epub 2018 Nov 24.

Department of Neurosurgery, Antwerp University Hospital, Wilrijkstraat 10, 2650, Edegem, Belgium.

Background: Burr hole surgery for moyamoya disease and moyamoya syndrome is known to be an effective, versatile, and relatively simple revascularization technique. We will focus on the technical operative aspects of multiple burr hole surgery as we perform it in our center.

Methods: Periosteal flaps are prepared and placed in a burr hole with beveled edge, after opening the dura and arachnoid membrane, in order to facilitate neovascularization into the ischemic cortex. Read More

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http://dx.doi.org/10.1007/s00701-018-3743-1DOI Listing
November 2018

Hearing preservation after removal of small vestibular schwannomas: the role of ABR neuromonitoring.

Acta Neurochir (Wien) 2018 Nov 23. Epub 2018 Nov 23.

Department of Neurosurgery, North Shore University Hospital, Hofstra Northwell School of Medicine, Manhasset, NY, USA.

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http://dx.doi.org/10.1007/s00701-018-3741-3DOI Listing
November 2018
7 Reads

The Aalborg Bolt-Connected Drain (ABCD) study: a prospective comparison of tunnelled and bolt-connected external ventricular drains.

Acta Neurochir (Wien) 2018 Nov 23. Epub 2018 Nov 23.

Department of Neurosurgery, Institute of Clinical Medicine, Aalborg University Hospital, Hobrovej 18-22, 9100, Aalborg, Denmark.

Background: Acutely increased intracranial pressure (ICP) is frequently managed by external ventricular drainage (EVD). This procedure is life-saving but marred by a high incidence of complications. It has recently been indicated that bolt-connected external ventricular drainage (BC-EVD) compared to the standard technique of tunnelled EVD (T-EVD) may result in less complications. Read More

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http://dx.doi.org/10.1007/s00701-018-3737-zDOI Listing
November 2018
8 Reads

Treatment of small and medium-sized vestibular schwannoma-a need for better evidence.

Acta Neurochir (Wien) 2018 Nov 22. Epub 2018 Nov 22.

Department of Neurosurgery, Haukeland University Hospital, Bergen, Norway.

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http://dx.doi.org/10.1007/s00701-018-3742-2DOI Listing
November 2018
2 Reads

Long-term outcome of trans-sphenoidal surgery for Cushing's disease in Indian patients.

Acta Neurochir (Wien) 2018 Nov 21. Epub 2018 Nov 21.

Departments of Endocrinology, Sanjay Gandhi Post Graduate Institute of Medical Sciences, Lucknow, India.

Background: The results of trans-sphenoidal surgery (TSS) in Cushing's disease (CD) vary widely depending upon patient characteristics as well as surgical experience. Patients in India are often referred late to referral centers. We studied the rates of remission and endocrine deficiencies after TSS in patients with CD presenting to a referral hospital in India. Read More

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http://dx.doi.org/10.1007/s00701-018-3736-0DOI Listing
November 2018
7 Reads

Impact of intraoperative stimulation mapping on high-grade glioma surgery outcome: a meta-analysis.

Acta Neurochir (Wien) 2018 Nov 21. Epub 2018 Nov 21.

Department of Neurosurgery, Erasmus Medical Center Rotterdam, 's-Gravendijkwal 230, 3015 CE, Rotterdam, The Netherlands.

Background: Intraoperative stimulation mapping (ISM) using electrocortical mapping (awake craniotomy, AC) or evoked potentials has become a solid option for the resection of supratentorial low-grade gliomas in eloquent areas, but not as much for high-grade gliomas. This meta-analysis aims to determine whether the surgeon, when using ISM and AC, is able to achieve improved overall survival and decreased neurological morbidity in patients with high-grade glioma as compared to resection under general anesthesia (GA).

Methods: A systematic search was performed to identify relevant studies. Read More

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http://dx.doi.org/10.1007/s00701-018-3732-4DOI Listing
November 2018
6 Reads

Bolt-connected external ventricular drainage: The key to a better accuracy and less complications?

Acta Neurochir (Wien) 2018 Nov 21. Epub 2018 Nov 21.

Department of Neurosurgery, Hippokratio General Hospital, Medical Faculty, Aristotle University School of Health Sciences, Thessaloniki, Greece.

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http://dx.doi.org/10.1007/s00701-018-3738-yDOI Listing
November 2018

Dynamic magnetic resonance imaging parameters for objective assessment of the magnitude of tethered cord syndrome in patients with spinal dysraphism.

Acta Neurochir (Wien) 2018 Nov 20. Epub 2018 Nov 20.

Department of Radiology, Sanjay Gandhi Post Graduate Institute of Medical Sciences (SGPGIMS), Lucknow, 226014, India.

Background: Dynamic magnetic resonance imaging (MRI)-based criteria for diagnosing magnitude of tethered cord syndrome (TCS) in occult spinal dysraphism are proposed.

Methods: In this prospective, case-control design study, MRI lumbosacral spine was performed in 51 subjects [pilot group (n = 10) without TCS (for defining radiological parameters), control group (n = 10) without TCS (for baseline assessment), and study group (n = 31) with spinal dysraphism (thick filum terminale [n = 12], lumbar/lumbosacral meningomyelocoele [n = 6], and lipomyelomeningocoele [n = 13])]. The parameters compared in control and study groups included oscillatory frequency (OF), difference in ratio, in supine/prone position, of distance between posterior margin of vertebral body and anterior margin of spinal cord (oscillatory distance [OD]), with canal diameter, at the level of conus as well as superior border of contiguous two vertebrae above that level; delta bending angle (ΔBA), difference, in supine/prone position, of angle between longitudinal axis of conus and that of lower spinal cord; and sagittal and axial root angles, subtended between exiting ventral nerve roots and longitudinal axis of cord. Read More

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http://dx.doi.org/10.1007/s00701-018-3721-7DOI Listing
November 2018
6 Reads

Pseudocavernoma-a new diagnosis?

Acta Neurochir (Wien) 2018 Nov 17. Epub 2018 Nov 17.

Department of Surgery, Division of Neurosurgery, National University Hospital, Singapore, Singapore.

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http://dx.doi.org/10.1007/s00701-018-3735-1DOI Listing
November 2018
1 Read

Magnitude and direction of aqueductal cerebrospinal fluid flow: large variations in patients with intracranial aneurysms with or without a previous subarachnoid hemorrhage.

Acta Neurochir (Wien) 2018 Nov 15. Epub 2018 Nov 15.

Institute of Clinical Medicine, Faculty of Medicine, University of Oslo, Oslo, Norway.

Background: Net cerebrospinal fluid (CSF) flow within the cerebral aqueduct is usually considered to be antegrade, i.e., from the third to the fourth ventricle with volumes ranging between 500 and 600 ml over 24 h. Read More

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http://link.springer.com/10.1007/s00701-018-3730-6
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http://dx.doi.org/10.1007/s00701-018-3730-6DOI Listing
November 2018
7 Reads

De novo cavernous malformation arising in the wall of vestibular schwannoma following stereotactic radiosurgery: case report and review of the literature.

Acta Neurochir (Wien) 2018 Nov 14. Epub 2018 Nov 14.

National Brain Aneurysm & Tumor Center, 3033 Excelsior Blvd, Suite 495, Minneapolis, MN, 55416, USA.

We report a novel case of a radiation-induced cavernous malformation developing in a vestibular schwannoma previously treated with stereotactic radiosurgery. Eleven years after treatment, the patient presented with a large predominantly cystic lesion in the cerebellopontine angle. We performed surgery, and a solid vascular lesion was identified within the schwannoma, which was determined to be a cavernous malformation after histopathological analysis. Read More

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http://dx.doi.org/10.1007/s00701-018-3734-2DOI Listing
November 2018

Anterior communicating artery division in the endoscopic endonasal translamina terminalis approach to the third ventricle: an anatomical feasibility study.

Acta Neurochir (Wien) 2018 Nov 14. Epub 2018 Nov 14.

Department of Neurosurgery, Weill Cornell Medical College, New York-Presbyterian Hospital, 525 East 68th St., Box #99, New York, NY, 10065, USA.

Background: Endonasal endoscopic approaches (EEA) to the third ventricle are well described but generally use an infrachiasmatic route since the suprachiasmatic translamina terminalis corridor is blocked by the anterior communicating artery (AComA). The bifrontal basal interhemispheric translamina terminalis approach has been facilitated with transection of the AComA. The aim of the study is to describe the anatomical feasibility and limitations of the EEA translamina terminalis approach to the third ventricle augmented with AComA surgical ligation. Read More

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http://dx.doi.org/10.1007/s00701-018-3709-3DOI Listing
November 2018
1 Read
1.790 Impact Factor

Hereditary clear cell meningiomas in a single family: three-cases report.

Acta Neurochir (Wien) 2018 Dec 13;160(12):2321-2325. Epub 2018 Nov 13.

Division of Neurosurgery, Duke University Medical Center, Durham, NC, USA.

Clear cell meningiomas (CCMs) are rare subtypes of meningiomas and usually treated by maximum safely achievable tumor resection. We here present three hereditary cases with CCMs which were confirmed by Sanger sequencing of lymphocyte DNA. Gross total resection was achieved in a 5-year-old son with a spinal CCM and a 34-year-old father with a CCM in the cerebellopontine angle (CPA). Read More

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http://dx.doi.org/10.1007/s00701-018-3727-1DOI Listing
December 2018
1 Read

"Bucket" cerebrospinal fluid bulk flow-is it a fact or a fiction?

Acta Neurochir (Wien) 2018 Nov 13. Epub 2018 Nov 13.

Brain Physics Laboratory, Division of Neurosurgery, Department of Clinical Neurosciences, Cambridge University, Box 167, Addenbrookes Hospital, Cambridge, CB20QQ, UK.

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http://link.springer.com/10.1007/s00701-018-3731-5
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http://dx.doi.org/10.1007/s00701-018-3731-5DOI Listing
November 2018
2 Reads

How I do it: percutaneous transforaminal endoscopic discectomy for lumbar disk herniation.

Acta Neurochir (Wien) 2018 Dec 12;160(12):2473-2477. Epub 2018 Nov 12.

Department of Neurosurgery, Erasmus MC: University Medical Center Rotterdam, S-Gravendijkwal 230 NA-2110, 3015, CE Rotterdam, The Netherlands.

Background: Percutaneous transforaminal endoscopic discectomy (PTED) has emerged as a less invasive technique to treat symptomatic lumbar disk herniation (LDH). PTED is performed under local anesthesia with the advantage of immediate intraoperative feedback of the patient. In this paper, the technique is described as conducted in our hospital. Read More

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http://link.springer.com/10.1007/s00701-018-3723-5
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http://dx.doi.org/10.1007/s00701-018-3723-5DOI Listing
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC6267719PMC
December 2018
10 Reads

Minimally invasive anterior cervical discectomy and fusion: a valid alternative to open techniques.

Acta Neurochir (Wien) 2018 Dec 12;160(12):2467-2471. Epub 2018 Nov 12.

Department of Neurosurgery, Addenbrooke's Hospital, Cambridge University Hospital, Box 166, Hills Road, Cambridge, CB20QQ, UK.

Background: Anterior cervical discectomy and fusion (ACDF) is a well-standardized treatment for cervical myelopathy/radiculopathy. The aim of this study is to assess the feasibility of minimally invasive ACDF.

Method: Retrospective review of six patients who underwent minimally invasive ACDF using microscope and tubular retractors. Read More

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http://dx.doi.org/10.1007/s00701-018-3719-1DOI Listing
December 2018
1 Read

Risk factors for growth of conservatively managed unruptured intracranial aneurysms.

Acta Neurochir (Wien) 2018 Dec 11;160(12):2419-2423. Epub 2018 Nov 11.

Department of Neurologic Surgery, Mayo Clinic, Rochester, MN, USA.

Purpose: Unruptured intracranial aneurysms (UIAs) occur in 2-3% of the adult population, but, once discovered, do not always require treatment. Untreated patients are usually followed with serial imaging to identify interval growth. In this study, we assessed the risk and risk factors for growth in a homogenous series of patients with conservatively managed UIAs. Read More

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http://link.springer.com/10.1007/s00701-018-3729-z
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http://dx.doi.org/10.1007/s00701-018-3729-zDOI Listing
December 2018
49 Reads
1.788 Impact Factor

Hotspots of small strokes in glioma surgery: an overlooked risk?

Acta Neurochir (Wien) 2018 Nov 10. Epub 2018 Nov 10.

Université Paris 7 Diderot, Paris, France.

Background: Small deep infarcts constitute a well-known risk of motor and speech deficit in insulo-opercular glioma surgery. However, the risk of cognitive deterioration in relation to stroke occurrence in so-called silent areas is poorly known. In this paper, we propose to build a distribution map of small deep infarcts in glioma surgery, and to analyze patients' cognitive outcome in relation to stroke occurrence. Read More

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http://link.springer.com/10.1007/s00701-018-3717-3
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http://dx.doi.org/10.1007/s00701-018-3717-3DOI Listing
November 2018
2 Reads

The influence of histology on the response of brain metastases to gamma knife radiosurgery: a propensity score-matched study.

Acta Neurochir (Wien) 2018 Dec 9;160(12):2379-2386. Epub 2018 Nov 9.

Department of Neurosurgery, Samsung Medical Center, Sungkyunkwan University School of Medicine, 81 Irwon-ro, Gangnam-gu, Seoul, 06351, South Korea.

Background: In terms of response to fractionated radiotherapy, metastatic brain tumors of certain origins are considered radioresistant.

Objective: To determine the influence of "radioresistant" histology on outcomes of brain metastases treated with radiosurgery.

Methods: Between 2001 and 2017, 121 patients with brain metastases from renal cell carcinoma (RCC) and 2151 from non-small cell lung cancer (NSCLC) were reviewed. Read More

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http://link.springer.com/10.1007/s00701-018-3726-2
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http://dx.doi.org/10.1007/s00701-018-3726-2DOI Listing
December 2018
4 Reads

Transpalpebral approach in skull base surgery: how I do it.

Acta Neurochir (Wien) 2018 Nov 9. Epub 2018 Nov 9.

City Clinical Hospital Named After F.I. Inozemtseva, 105187, Fortunatovskaya, str. 1, Moscow, Russian Federation.

Background: Keyhole surgery has been actively developing in the last two decades. Modern neuroimaging, preoperative individual planning, and innovative neurosurgical equipment allow us to operate through mini craniotomy with minimization of approach-related complications.

Method: Preoperative planning is very critical. Read More

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http://link.springer.com/10.1007/s00701-018-3724-4
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http://dx.doi.org/10.1007/s00701-018-3724-4DOI Listing
November 2018
6 Reads

Frameless robot-assisted stereoelectroencephalography for refractory epilepsy in pediatric patients: accuracy, usefulness, and technical issues.

Acta Neurochir (Wien) 2018 Dec 9;160(12):2489-2500. Epub 2018 Nov 9.

Pediatric Neurosurgery Department, Sant Joan de Déu Barcelona Children's Hospital, Universitat de Barcelona, Passeig de Sant Joan de Déu 2, 08950, Esplugues de Llobregat, Barcelona, Spain.

Background: Stereoelectroencephalography (SEEG) is an effective technique to help to locate and to delimit the epileptogenic area and/or to define relationships with functional cortical areas. We intend to describe the surgical technique and verify the accuracy, safety, and effectiveness of robot-assisted SEEG in a newly created SEEG program in a pediatric center. We focus on the technical difficulties encountered at the early stages of this program. Read More

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http://link.springer.com/10.1007/s00701-018-3720-8
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http://dx.doi.org/10.1007/s00701-018-3720-8DOI Listing
December 2018
5 Reads

Incidence and clinical significance of postoperative delirium after brain tumor surgery.

Acta Neurochir (Wien) 2018 Dec 8;160(12):2327-2337. Epub 2018 Nov 8.

Department of Neurosurgery, Hospital of Lithuanian University of Health Sciences, Kaunas, Lithuania.

Background: Delirium is an acute and reversible deterioration of mental state. Postoperative delirium (POD) can develop after surgical procedures and is associated with impaired health status and worse recovery. So far, there is little data about postoperative delirium after brain surgery. Read More

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http://link.springer.com/10.1007/s00701-018-3718-2
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http://dx.doi.org/10.1007/s00701-018-3718-2DOI Listing
December 2018
7 Reads

Prior bariatric surgery lowers complication rates following spine surgery in obese patients.

Acta Neurochir (Wien) 2018 Dec 8;160(12):2459-2465. Epub 2018 Nov 8.

Department of Orthopaedic Surgery, Hospital for Special Surgery, New York City, NY, USA.

Background: Bariatric surgery (BS) is an increasingly common treatment for morbid obesity that has the potential to effect bone and mineral metabolism. The effect of prior BS on spine surgery outcomes has not been well established. The aim of this study was to assess differences in complication rates following spinal surgery for patients with and without a history of BS. Read More

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http://dx.doi.org/10.1007/s00701-018-3722-6DOI Listing
December 2018
1 Read
1.790 Impact Factor

Craniofacial resection of malignant tumors of the anterior skull base: a case series and a systematic review.

Acta Neurochir (Wien) 2018 Dec 7;160(12):2339-2348. Epub 2018 Nov 7.

Department of Neurosurgery, Oslo University Hospital - Rikshospitalet, PB4950 Nydalen, N-0424, Oslo, Norway.

Background: Craniofacial resection (CFR) is still considered as the gold standard for managing sinonasal malignancies of the anterior skull base (ASB), while endoscopic approaches are gaining credibility. The goal of this study was to evaluate outcomes of patients who underwent CFR at our institution and to compare our results to international literature.

Method: Retrospective analysis of all patients undergoing CFR between 1995 and 2017, and systematic literature review according to the PRISMA statement. Read More

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http://link.springer.com/10.1007/s00701-018-3716-4
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http://dx.doi.org/10.1007/s00701-018-3716-4DOI Listing
December 2018
4 Reads