Abstract:
:Somatosensory evoked potentials (SEPs) were recorded by stimulating the median nerve at the wrist from the skin and epidural space of the 7th cervical spine in patients suffering from cervical radiculopathy or radiculomyelopathy. The patients were divided into four subgroups according to the severity of the disease. Skin and epidural SEPs were calculated and compared with each other and with control values. Usually only one negative potential N13 was identified in the skin recording, but two potentials N11 and N13 occurred in the epidural recording. Lower amplitudes were obtained from the skin than from the epidural space. In the skin SEPs the mean of the central latency of N13 was significantly prolonged in the severe radiculomyelopathy groups, while the mean of the amplitude N13 showed only a tendency to decrease. In contrast, in the epidural SEPs a significant decrease in the mean of the N11 and N13 amplitudes together with a significant prolongation in the mean of the central latency of N13 could be found. In the epidural recording the amplitude changes in particular increased with the severity of the disease, but the highest number of abnormalities (61%) could be seen in the central latency of N13.
journal_name
Acta Neurochir (Wien)journal_title
Acta neurochirurgicaauthors
Heiskari M,Tolonen U,Nyström SHdoi
10.1007/BF01407454subject
Has Abstractpub_date
1986-01-01 00:00:00pages
114-9issue
2-4eissn
0001-6268issn
0942-0940journal_volume
79pub_type
杂志文章abstract:BACKGROUND:Although the majority of patients with minimal acute subdural hematomas (aSDHs) can be managed conservatively, some require delayed aSDH evacuation due to hematoma enlargement. This study was designed to determine the risk factors associated with delayed hematoma enlargement leading to surgery in patients wi...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-014-2151-4
更新日期:2014-08-01 00:00:00
abstract:BACKGROUND:The necessity of red blood cell (RBC) transfusions in neurosurgical procedures is under debate. Although detailed recommendations exist for many other surgical disciplines, there are very limited data on the probability of transfusions during neurosurgical procedures. METHODS:Three-thousand and twenty-six c...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-012-1373-6
更新日期:2012-07-01 00:00:00
abstract:BACKGROUND:It is essential to have easy to use, reliable tools to assess and compare facial function for clinical records, audit and research purposes. In this study, two different techniques were examined, Hand held calipers (HHC, as described by Burres), and computerised analysis of digital photographs (CAOP) using A...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-006-0904-4
更新日期:2006-12-01 00:00:00
abstract::Without mortality, 31 patients underwent conservative treatment for traumatic supratentorial acute subdural haematoma (SDH). Later on six of them had the haematoma surgically evacuated mainly because of a deterioration of the Glasgow Coma Scale (GCS) scores. It was found that patients with a midline shift of less than...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF02307412
更新日期:1995-01-01 00:00:00
abstract::The patient is a 44-year-old man who underwent resection of a posterior nasopharynx tumor 12 years earlier via left lateral rhinotomy approach. The final pathological analysis indicated the tumor was a craniopharyngioma, and the patient subsequently underwent focal radiation. The patient returned to medical attention ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-007-1168-3
更新日期:2007-01-01 00:00:00
abstract:BACKGROUND:Impairment of cerebral autoregulation is known to adversely affect outcome following traumatic brain injury (TBI). The phase shift (PS) method of cerebral autoregulation (CA) assessment describes the time lag between fluctuations in arterial blood pressure (ABP) and cerebral blood flow velocity (CBFV) in the...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-007-1447-z
更新日期:2008-02-01 00:00:00
abstract::After ventricular catheterization magnetic resonance (MR) imaging very often demonstrates a focal area of high signal along the drain track which corresponds to parenchymal oedema. This high signal seemed to be more pronounced when the frontal area was catheterized than when the junctional parieto-temporo-occipital pa...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01406499
更新日期:1994-01-01 00:00:00
abstract:BACKGROUND:Neurofibromatosis type 2 (NF2) is a genetic disorder characterized by mutations of the NF2 tumor suppressor gene that predisposes patients to develop multiple tumors in the peripheral and central nervous system. The most common neoplasms associated with the disease are schwannomas and meningiomas. Both have ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-020-04439-x
更新日期:2020-08-01 00:00:00
abstract:BACKGROUND:The scientific activity of neurosurgeons and neurosurgery residents as measured by bibliometric parameters is of increased interest. While data about academic output for neurosurgeons in the USA, the UK, and Canada have been published, no similar results for German neurosurgical residents exist. Within this ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-019-04011-2
更新日期:2019-10-01 00:00:00
abstract::A case of a ruptured aneurysm is presented in which the angiograms did not disclose the sac. Rupture of an aneurysm of the anterior communicating artery was suspected from the distribution of subarachnoid blood on computerized tomography (CT), and the presence of a sac was highly suggestive on magnetic resonance imagi...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01405281
更新日期:1989-01-01 00:00:00
abstract:BACKGROUND:Although endoscopic septostomy is widely adopted in the treatment of unilateral or specific types of hydrocephalus, there is no consensus on surgical indications, technical aspects and postoperative outcome. In particular, the choice of the ventricular access has been recently debated. We investigated the re...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-012-1381-6
更新日期:2012-08-01 00:00:00
abstract::Indirect carotid-cavernous sinus dural arterio-venous fistulae (cDAVF) can be treated by transarterial and/or transvenous embolisation. This study evaluated patients with cDAVF who underwent transvenous embolisation using the direct superior ophthalmic vein (SOV) approach. Between January 2004 and October 2006, eight ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-008-1573-2
更新日期:2008-06-01 00:00:00
abstract::The levels of circulating immune complexes (CIC) were assayed in the sera of 109 patients with intracranial space occupying lesions. The CIC levels were significantly increased in all the brain tumours. After treatment, the CIC levels were still significantly increased when compared to the controls but showed no chang...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01420068
更新日期:1995-01-01 00:00:00
abstract:BACKGROUND:Spinal intramedullary arteriovenous malformations (AVMs) fed by an anterior spinal artery are surgically challenging vascular lesions. METHOD:We herein presented microsurgical resection techniques for an intramedullary glomus AVM located in the lateral part of the high cervical spinal cord with an operative...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-015-2531-4
更新日期:2015-10-01 00:00:00
abstract:BACKGROUND:The ventro-lateral thalamus is the stereotactic target of choice for severe intention tremor. Nevertheless, the optimal target area has remained controversial, and targeting of the subthalamic area has been suggested to be superior. PATIENTS AND METHODS:Eleven patients with disabling intention tremor of dif...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-007-1230-1
更新日期:2007-08-01 00:00:00
abstract::An experience with surgical management of 30 giant pituitary tumours is analysed in this report. The clinical features, anatomical spread and relationship of these tumours with the cavernous sinus and other parasellar and basal forebrain structures is analysed. The problem encountered in the surgical treatment are rev...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01412306
更新日期:1996-01-01 00:00:00
abstract::Although disorders of cerebral autoregulation are commonly seen in neurosurgical disease, there is currently no test of autoregulation in widespread use that may be performed safely at the bedside. The presence of autoregulation, however, can be seen in the brief hyperemic response in the middle cerebral artery distri...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01407660
更新日期:1991-01-01 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:BACKGROUND:The generally accepted indications for carotid endarterectomy are the clinical picture and degree of per cent stenosis of the carotid artery. Despite the fact that stenosis measurement is defined, the methods vary considerably. The correlation of particular methods, especially angiography and duplex sonograp...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-004-0279-3
更新日期:2004-07-01 00:00:00
abstract:BACKGROUND:Wnt proteins are bifunctional axon guidance molecules, several of which appear to mediate guidance of corticospinal tract axons along the spinal cord. Here, we studied increasing effect on regeneration by Wnt-containing alginate scaffolds on spinal cord injury (SCI). METHODS:A total of 32 rats were injured ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-013-1663-7
更新日期:2013-05-01 00:00:00
abstract:OBJECTIVES:Vertebral artery injury (VAI) during foraminal decompression in cervical spine surgery in the absence of repositioning or screw stabilization is rare. Without immediate recognition and treatment, it may have disastrous consequences. We aimed to describe the incidence and management of iatrogenic VAI in low-r...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-015-2594-2
更新日期:2015-11-01 00:00:00
abstract::Incomplete cerebral ischaemia of 10 to 60 minutes duration was performed by reducing the perfusion pressure of completely isolated canine heads at brain temperatures of 37 and 32 degrees C. Complete cerebral ischaemia of the same duration was performed by complete stopping of the perfusion. The latency of recovery of ...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF02074501
更新日期:1982-01-01 00:00:00
abstract::Oculomotor nerve palsy due to a venous varix arising from flow anomalies caused by a dural arteriovenous fistula (AVF) is a rare phenomenon. We report a case of surgical third nerve palsy with a rare underlying AVF as the cause and discuss in detail the patho-anatomy and its significance. A tentorial dural AVF mimicki...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-010-0819-y
更新日期:2010-12-01 00:00:00
abstract: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 pla...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-018-3743-1
更新日期:2019-01-01 00:00:00
abstract::A brain tumour in a newborn is rare. The incidence of congenital tumours is 0.34 per one million births. We report a case of a huge right hemispheric tumour operated upon successfully in a child 5 days old, who had a total tumoural excision and an uneventful outcome with 5 months follow up. This tumour appears to be t...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01405146
更新日期:1991-01-01 00:00:00
abstract:BACKGROUND:Anterior cervical decompression and fusion (ACDF) may necessitate acute and late re-operations. Published long-term follow studies after ACDF are scarce. OBJECTIVE:Our goal was to give a detailed description of early and late re-operations after ACDF in an 11-year follow-up. METHODS:We retrospectively anal...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-012-1563-2
更新日期:2013-02-01 00:00:00
abstract::The facial electromyographic response was monitored intraoperatively in 40 patients with hemifacial spasm who were operated on by microvascular decompression of the facial nerve. All 40 patients showed an abnormal facial electromyographic response (lateral spread response) with a latency of about 10 msec after stimula...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01411718
更新日期:1996-01-01 00:00:00
abstract:BACKGROUND:Gamma Knife radiosurgery (GKRS) inverse dose planning is currently far from competing effectively with the quality of dose planning developed by experienced experts. A new inverse planning (IP) method based on « efficient convex optimization algorithms » is proposed, providing high-quality dose plans in real...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/s00701-020-04695-x
更新日期:2021-01-05 00:00:00
abstract::The long-term outcome in 26 patients following operation of intracranial saccular aneurysms before the age of twenty is presented. The duration of follow-up ranged from 4 to 33 years (mean 14 years). The oldest patient is now 51 years old. 19 patients (73%) made a complete or good recovery with resumption of normal li...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01476214
更新日期:1985-01-01 00:00:00
abstract::The pathological effects of radio- and chemotherapy on the normal nervous tissue have been studied in 42 brains with malignant gliomas. The brains have been examined by means of the complete study technique. In seven cases the picture of delayed radionecrosis has been found. Apart from this, many histological features...
journal_title:Acta neurochirurgica
pub_type: 杂志文章
doi:10.1007/BF01401682
更新日期:1981-01-01 00:00:00