Abstract：
:Twenty operated cases of angiographically unrecognized microaneurysm (AUM) have been analysed with special reference to intra-operative observations and clipping-technique. Among the patients with intracranial aneurysms that the authors' facility has operated upon, the incidence of asymptomatic incidental AUM that was 2 mm or smaller amounted to 3.7%. Thirteen cases of AUM were found on the middle cerebral artery; four AUMs arose from the M1 portion, four from the bifurcation, and five from the second bifurcation. Sixty percent of AUMs were recognized on the parent arteries of ruptured aneurysms. In 90% of cases the AUMs were broad based in shape and in 70% of cases exhibited a thin-walled neck and a thin-walled fundus. Intra-operative findings revealed four reasons why AUMs were not visible in the pre-operative angiograms: (1) the AUM was sandwiched between two arteries; (2) the AUM was completely hidden by a contiguous large or giant aneurysm; (3) the AUM was diagnosed by pre-operative angiogram as a bleb of the contiguous aneurysm; (4) the AUM was not visible on angiograms because the height of the AUM was extremely low. Twelve cases of AUM were successfully clipped using four different clipping techniques; (1) clipping parallel to the bifurcation in four, (2) clipping parallel to the parent artery in four, (3) pinch-clipping in two of the cases, and (4) cross clipping in two of the cases. The other eight cases were wrapped and coated. AUMs may be present during the direct operation of intracranial aneurysms and in intravascular surgery. Neurosurgeons and neuroradiologists need to explain the possible existence of AUMs to patients and their families.
journal_name
Acta Neurochir (Wien)journal_title
Acta neurochirurgicaauthors
Karasawa H,Matsumoto H,Naito H,Sugiyama K,Ueno J,Kin Hdoi
10.1007/BF01808877subject
Has Abstractpub_date
1997-01-01 00:00:00pages
416-9; discussion 419-20issue
5eissn
0001-6268issn
0942-0940journal_volume
139pub_type
杂志文章abstract：:A 59-year-old male with a history of 2 years of typical trigeminal neuralgia manifested the characteristics of achondroplasia. X-ray and magnetic resonance imaging demonstrated basilar impression, deformity of the posterior fossa with marked asymmetry of petrous bone and compression of pons and trigeminal nerve by the...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s007010100010
更新日期：2001-11-01 00:00:00
abstract：BACKGROUND:Intraoperative fluorescence angiography with indocyanine green (ICG) as a tracer has recently been introduced as a novel technique for neurosurgery. We evaluated the feasibility and efficacy of near-infrared (NIR) indocyanine green (ICG) videoangiography for patients undergoing carotid endarterectomy (CEA). ...
journal_title：Acta neurochirurgica
pub_type： 临床试验,杂志文章
doi：10.1007/s00701-011-1018-1
更新日期：2011-08-01 00:00:00
abstract：:Of 812 patients with intracranial tumours treated by radiosurgery during the period 1984-1990, 129 had meningiomas. Of these latter, 72 had middle fossa meningiomas. Patients with meningiomas treated by us since March 1990 are not included in this report since we established the investigative principle of a minimum of...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01446988
更新日期：1993-01-01 00:00:00
abstract：:At the National Institute of Neurosurgery a team of ophthalmologists and neurosurgeons has for 20 years been collaborating in the research and treatment of optic nerve gliomas. Among 34 patients, 30 were under the age of 20 years, and 20 under the age of 10 years. Of the 20 patients younger than 10 years, 16 were girl...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01809149
更新日期：1978-01-01 00:00:00
abstract：STUDY DESIGN:This report characterises a 25 year old male patient with a complete burst fracture of the fifth lumbar vertebra with dislocation. He was treated by posterior surgery with transpedicular instrumentation and an expandable cage from the posterior approach. OBJECTIVES:Burst fractures of the fifth lumbar vert...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-008-0149-5
更新日期：2008-12-01 00:00:00
abstract：:Parafalcine chondrosarcoma is extremely rare, and may be difficult to differentiate preoperatively from falx meningioma. An 18-year-old woman presented with a parafalcine chondrosarcoma incidentally detected as a small lesion 2 years before admission, suggesting falx meningioma. Brain computed tomography and magnetic ...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-005-0530-6
更新日期：2005-07-01 00:00:00
abstract：:We report three cases of ischaemic complications following direct surgery of unruptured cerebral aneurysms having necks with atherosclerotic or calcified walls. Among 30 patients we treated directly for unruptured aneurysm over the last 4 years, 6 had 8 such aneurysms. Atherosclerotic or calcified neck was a major con...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s007010050364
更新日期：1999-01-01 00:00:00
abstract：:4 patients with aneurysms of different size and location were examined by cerebral angiography, computed tomography, angio-computed tomography, magnetic resonance imaging and angiography, in order to demonstrate haemodynamic and morphological aspects of cerebral aneurysms. Turbulent flow within aneurysms could be show...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF02001461
更新日期：1993-01-01 00:00:00
abstract：:The results of electro-oculographic recordings made after caloric vestibular stimulation (C.O.G.) in severe head injured patients are discussed. It was found that: 1. The C.O.G. correlates with the state of consciousness of the patients. 2. The rate of improvement of the C.O.G. correlates with the rate of the clinical...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01405860
更新日期：1976-01-01 00:00:00
abstract：:The effects of the new spasmolytic agent HA1077, which belongs to the calciumantagonists but acts by mechanisms different from those of conventional calcium channel blockers, on the cerebral microcirculation were studied in rats using isolated and cannulated intracerebral (parenchymal) arterioles of 50 microns average...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01420194
更新日期：1990-01-01 00:00:00
abstract：BACKGROUND:For the treatment of medically refractory movement disorders such as Parkinson's disease, essential tremor and primary dystonia, deep brain stimulation (DBS) has become one of the main treatment options. The targets for implantation of the stimulation electrodes are various nuclei within the basal ganglia or...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s007010200065
更新日期：2002-05-01 00:00:00
abstract：:First described on pre-B leukemia cells, the common acute lymphoblastic leukemia antigen (cALLa) is also expressed on glioma cells in vitro. Its identity to neutral endopeptidase (NEP) (E.C.3.24.11) was corroborated by our finding that cALLa positive glioma cells had NEP activity. To study cALLa/NEP distribution on gl...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01401105
更新日期：1992-01-01 00:00:00
abstract：:We performed cordectomy, a surgical technique that is infrequently used at present, for a patient with post-traumatic syringomyelia (following complete paraplegia of both lower limbs due to dislocation fracture of the 9th thoracic vertebra), yielding a favourable result. We recommend cordectomy as a surgical technique...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-007-1421-9
更新日期：2008-01-01 00:00:00
abstract：BACKGROUND:Complications of and insertion depth of the Codman MicroSensor ICP monitoring device (CMS) is not well studied. OBJECTIVE:To study complications and the insertion depth of the CMS in a clinical setting. METHODS:We identified all patients who had their intracranial pressure (ICP) monitored using a CMS devic...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-013-1856-0
更新日期：2013-11-01 00:00:00
abstract：OBJECTIVE:To introduce reliable and minimally invasive virtual surgical planning for superficial temporal artery to middle cerebral artery (STA-MCA) bypass surgery using three-dimensional (3-D) rotational reconstruction digital subtraction angiography (DSA). METHODS:Twenty-eight consecutive patients (11 women and 17 m...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-010-0681-y
更新日期：2010-09-01 00:00:00
abstract：BACKGROUND:Percutaneous radiofrequency trigeminal rhizotomy (RF-TR) is a well-established treatment for patients suffering from trigeminal neuralgia (TN) as a primary modality or for those refractory to medical treatment. However, few existing studies have identified intraoperative parameter or navigation technique tha...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-019-03941-1
更新日期：2019-07-01 00:00:00
abstract：:Ninety-six patients with aneurysmal subarachnoid haemorrhage underwent serial measurement of regional cerebral blood flow throughout the period of their treatment over the period of 5 years (1983 to 1988). A portable bedside xenon cerebral blood flow machine was used in this study and the initial slope index (ISI) val...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01407659
更新日期：1991-01-01 00:00:00
abstract：OBJECTIVE:To review current management strategies for olfactory groove meningioma (OGM)s and the recent literature comparing endoscopic endonasal (EEA) with traditional transcranial (TCA) approaches. METHODS:A PubMed search of the recent literature (2011-2016) was performed to examine outcomes following EEA and TCA fo...
journal_title：Acta neurochirurgica
pub_type： 杂志文章,评审
doi：10.1007/s00701-017-3303-0
更新日期：2017-10-01 00:00:00
abstract：:In a series of dogs, the transport routes of intrathecally administered 99Tcm-DTPA from an omental graft to the venous blood were studied by scintillation probes placed over the portal and external jugular veins and by blood samples from the inferior vena cava. It was found early in the course of investigation that a ...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01587960
更新日期：1978-01-01 00:00:00
abstract：:Cerebral developmental venous anomalies (DVAs) are variations of venous vascular anatomy related to an underdevelopment of either the superficial or deep venous emissary system, resulting in a dilated transmedullary vein fed by multiple smaller venous radicles responsible for drainage of normal brain parenchyma. While...
journal_title：Acta neurochirurgica
pub_type： 杂志文章,评审
doi：10.1007/s00701-020-04213-z
更新日期：2020-05-01 00:00:00
abstract：:The Glasgow Coma Scale, based upon eye opening, verbal and motor responses has proved a practical and consistent means of monitoring the state of head injured patients. Observations made in the early stages after injury define the depth and duration of coma and, when combined with clinical features such as a patient's...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01405862
更新日期：1976-01-01 00:00:00
abstract：:In 17 primary transnasal operations on Nelson tumours long-term results are assessed measuring ACTH plasma levels and performing regular neuroradiological controls. In small intrasellar adenomas only one recurrent ACTH elevation near to pretreatment levels without symptoms from tumour growth was observed after 10 year...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01405437
更新日期：1982-01-01 00:00:00
abstract：:Out of 502 patients with surgically treated drug-resistant chronic epilepsy (tumour cases excluded) in 12 (2%) a clear occipital focus was found. The pattern of seizures was in most cases nonspecific and polymorphic. EEG examination and neuroradiological findings led to proper localization of the epileptogenic focus. ...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01400600
更新日期：1992-01-01 00:00:00
abstract：:Between 1984 and 1991 86 patients with single cerebral metastases underwent linear accelerator radiosurgery using the atraumatic and reproducible Greitz-Bergström head-fixation device. Routine one-month follow-up documented disappearance of the tumour in 16 patients, with resolution of the oedema and ventricular shift...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01809265
更新日期：1993-01-01 00:00:00
abstract：:Supervolt radiation therapy produced no improved survival rates in the treatment of glioblastoma multiforme as compared to orthovolt therapy. Survival times of more than one year or two years must still be considered a rarity. The application of computer techniques to the calculation of dose distributions greatly enha...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/BF01406633
更新日期：1978-01-01 00:00:00
abstract：BACKGROUND:Peripheral nerve lesions usually are associated with neuropathic pain. In the present paper, we describe a simple scale to quantify pain after brachial plexus injuries and apply this scale to a series of patients to determine initial outcomes after reconstructive surgery. METHODS:Fifty-one patients with tra...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-010-0709-3
更新日期：2011-01-01 00:00:00
abstract：BACKGROUND:To investigate whether patients with critical emergency conditions are seeking or receiving the medical care that they require, we characterized the reality of care for patients presenting with neuro-emergencies during the first phase of the COVID-19 pandemic. METHODS:In this observational, longitudinal coh...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-020-04437-z
更新日期：2020-08-01 00:00:00
abstract：BACKGROUND:The authors applied a scaffold-free osteogenic three-dimensional (3D) graft made of adipose-derived mesenchymal stem cells (AMSCs) in patients undergoing minimally invasive transforaminal lumbar interbody fusion (MI-TLIF). METHODS:Three patients (two patients and one patient with 1 and 2 levels, respectivel...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-016-3051-6
更新日期：2017-03-01 00:00:00
abstract：BACKGROUND:Hydrocephalus may present with heterogeneous signs and symptoms. The indication for its treatment and the optimal drainage in complex cases may be challenging. Telemetric intracranial pressure measurements (TICPM) may open new perspectives for those circumstances. We report our experiences using the Neuroven...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-020-04421-7
更新日期：2020-10-01 00:00:00
abstract：BACKGROUND:The antithrombotic agents are usually interrupted in fear of bleeding complications before neurosurgery. However, the optimal schematic regimen of substitutive medication to prevent thromboembolic events after surgery is unsettled. METHODS:We report five complex neurosurgical cases with high risk for thromb...
journal_title：Acta neurochirurgica
pub_type： 杂志文章
doi：10.1007/s00701-009-0419-x
更新日期：2009-10-01 00:00:00
