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  • 1
    Language: English
    In: Cerebral vascular spasm, 2019, p.323-330
    Source: De Gruyter eBooks
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  • 2
    Language: English
    In: Neurosurgical review, 1990, Vol.13 (3), p.201-203
    Description: A retrospective clinical study was made on 987 patients with lumbar disc disease treated by discectomy. All patients had been operated on in the Department of Neurosurgery (University-Hospital Mainz). 545 patients were males, and 442 females (1.2:1). Patients in the 4th decade of life were affected most often (33.5%). Perioperative complications occurred in 5.4%, with discitis as the single major complication (1.9%). 83% of all patients who underwent discectomy could return to their normal occupation.
    Subject(s): Biological and medical sciences ; Orthopedic surgery ; Medical sciences ; Surgery (general aspects). Transplantations, organ and tissue grafts. Graft diseases ; Reoperation ; Age Factors ; Follow-Up Studies ; Humans ; Middle Aged ; Intervertebral Disc - surgery ; Male ; Postoperative Complications - epidemiology ; Adolescent ; Discitis - epidemiology ; Sex Factors ; Adult ; Female ; Intervertebral Disc Displacement - rehabilitation ; Aged ; Intervertebral Disc Displacement - surgery ; Retrospective Studies ; Lumbar Vertebrae ; Child ; Index Medicus
    ISSN: 0344-5607
    E-ISSN: 1437-2320
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Springer Online Journal Archives (Through 1996)
    Source: © ProQuest LLC All rights reserved〈img src="https://exlibris-pub.s3.amazonaws.com/PQ_Logo.jpg" style="vertical-align:middle;margin-left:7px"〉
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  • 3
    Language: English
    In: Acta neurochirurgica, 1991, Vol.109 (1-2), p.12-19
    Description: The authors initially outline the development of operative techniques to stabilize traumatic thoraco-lumbar spine fractures. Thereafter their own results in 125 patients, treated operatively between 1.1.1983 and 15.9.1988, are presented. The different techniques (Harrington-instrumentation, transpedicular plate stabilization, fixateur interne) are evaluated. In the clinical neurological examination 25% of the patients experienced an improvement by at least one point in the FRANKEL classification. Four patients suffered neurological deterioration. In the radiological follow-up the "Sintering" process, the kyphotic and scoliotic deformity of the spinal segment were measured. The fixateur interne had the best overall results (loss of reposition averaged a kyphosis of 6.8 degrees, no fracture instability). Less good results were obtained with both the Harrington stabilization (loss of reposition 9.1 degrees, fracture instability in 3 cases) and with the transpedicular plate stabilization (loss of reposition 12.4 degrees, fracture instability in 2 cases). Finally the complications are described. The optimal approach is based on the clinical development. The fusion should be as short as possible with a stable angle implant and the possibility to reposition intraoperatively should be given. Postero-lateral spongiosa application, fusion of the vertebral arch joints, diskectomy with transpedicular spongiosa application and intercorporal blocking should be considered.
    Subject(s): Biological and medical sciences ; Injuries of the limb. Injuries of the spine ; Medical sciences ; Traumas. Diseases due to physical agents ; Spinal Fusion - methods ; Spinal Injuries - surgery ; Postoperative Complications - etiology ; Lumbar Vertebrae - injuries ; Follow-Up Studies ; Bone Screws ; Humans ; Middle Aged ; Spinal Cord Injuries - surgery ; Fracture Fixation, Internal - methods ; Male ; Spinal Cord Compression - surgery ; Bone Plates ; Spinal Fusion - instrumentation ; Spinal Nerve Roots - injuries ; Thoracic Vertebrae - surgery ; Lumbar Vertebrae - surgery ; Neurologic Examination ; Fracture Fixation, Internal - instrumentation ; Adolescent ; Adult ; Female ; Aged ; Thoracic Vertebrae - injuries ; Index Medicus
    ISSN: 0001-6268
    E-ISSN: 0942-0940
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Springer Online Journal Archives (Through 1996)
    Source: © ProQuest LLC All rights reserved〈img src="https://exlibris-pub.s3.amazonaws.com/PQ_Logo.jpg" style="vertical-align:middle;margin-left:7px"〉
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  • 4
    Language: English
    In: Trauma und Berufskrankheit, 2001-12-01, Vol.3 (4), p.369
    Description: Rechnerunterstutzte Operationsverfahren zur Navigation sind auf dem Gebiet der Neurotraumatologie vornehmlich in der Wirbelsaulenchirurgie interessant. Um bei der Navigation immer eine Applikationsgenauigkeit von mindestens 2 mm zu erreichen, erfolgte die computertomographische Datenakquisition intraoperativ mit einem mobilen CT. Die Registrierung wurde anhand von temporar implantierten Titanschraubenmarkern durchgefuhrt. Im Zeitraum von April 2000--APOktober 2000 wurden 60 Pedikelschrauben ohne Fehllagen bei 15 Wirbelsaulenverletzten (HWK 7--LWK 3) mit einem Registrierfehler (RMSE) von 0,7+-0,1 mm (SD) implantiert. Eine weitere Indikationen fur die Navigation in der Neurotraumatologie ist u.aE. in der Punktion posttraumatischer Hirnabszesse und intrazerebraler Hamatome zu sehen. Experimentell wurde fur die perkutane Navigation eine Applikationsgenauigkeit von 1,2+-0,6 mm am Eintrittspunkt des Pedikels und von 1,3+-0,6 mm am Zielpunkt mit einem Registrierfehler von 0,9+-0,19 mm erreicht. Die Navigation in Kombination mit der intraoperativen Computertomographie ist fur offene und perkutane Stabilisierungseingriffe an der gesamten Wirbelsaule geeignet und bietet die Option der intraoperativen computertomographischen Kontrolle. In neurotraumatology, computer-assisted surgery is especially beneficial in spinal operations. With the aim of achieving an application accuracy of 2 mm or better, we used a mobile intraoperative CT system for data acquisition, the data being ascertained after temporary implantation of small titanium marker screws into the vertebrae. Between April 2000 and October 2000, 15 patients with spinal injuries were treated with 60 pedicle screws in vertebrae ranging from C7 to L3, with no positioning errors. Overall, we achieved a registration error (RSME) of 0.7+-0.1 mm (SD). In our opinion, computer navigation is also indicated in neurotraumatology for the puncture of brain abscesses and the evacuation of intracerebral haematomas. In experiments with percutaneous navigation in a plastic model of the spine we achieved an application accuracy of 1.2+-AP0.6 mm (SD) at the entry point of the pedicle and of 1.3+-0.6 mm (SD) at the target point, with an registration-error of 0.9+-0.19 mm (SD). Navigation in combination with intraoperative CT allows open and percutaneous operations at any level of the spine and makes it possible to perform an intraoperative quality check.
    ISSN: 1436-6274
    E-ISSN: 1436-6282
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Alma/SFX Local Collection
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  • 5
    Article
    Article
    1992
    ISSN: 0028-1425 
    Language: English
    In: Naval engineers journal, 1992-01, Vol.104 (1), p.26-27
    ISSN: 0028-1425
    E-ISSN: 1559-3584
    Source: Alma/SFX Local Collection
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  • 6
    Article
    Article
    1983
    ISSN: 0302-4350 
    Language: German
    In: Aktuelle Neurologie, 1983-12, Vol.10 (6), p.196-202
    Description: Zusammenfassung Bei chronischen Verschlüssen oder auch hohen Stenosen der A. carotis interna, sowie Obstruktionen größerer intrakranieller Arterien, kann durch eine extra-intrakranielle Anastomose das Blutangebot für das Gehirn erhöht werden. Die von DONAGHY und YASARGIL 1976 angegebene relativ einfache Technik, bei der eine End-zu-Seit-Verbindung der A. temporalis superficialis mit einem kortikalen Ast der Mediagruppe unter mikrochirurgischen Bedingungen vorgenommen wird, hat sich weltweit durchgesetzt und zahlreiche Modifikationen erfahren. Von 138 seit 1976 in Mainz operierten Patienten im Alter von 16 bis 78 Jahren, bei einem mittleren Alter von 50 Jahren, lag bei 89 Patienten ein A. carotis interna-Verschluß (davon 9mal beiderseits) vor, zusätzlich fanden sich 9 Karotis-Siphon-Stenosen, in 8 Fällen wurde der Bypass nach Karotisligatur bei Giant-Aneurysma oder Sinus cavernosus-Fistel durchgeführt. 17 Patienten mit Mediateilverschlüssen und 8 Patienten mit kompletten Mediaverschluß wurden operiert, 3mal wurde bei einem Moya-Moya-Syndrom, 2mal bei einem Coiling der Carotis und 2mal bei Einengung der Karotisstrombahn durch einen intrakraniellen basisnahen Tumor operiert. Über 100mal wurde ein manifester leichter bis schwerer zerebraler Insult operiert und eine Stabilisierung bzw. Besserung der neurologischen Situation erreicht - obwohl es primär das Ziel des Operateurs ist, Patienten mit leichten zerebral-ischämischen Ereignissen bei entsprechendem angiographischen Befund zu operieren und einen Schutz gegen einen drohenden manifesten Insult zu geben. Die Bypass-Operation bedeutet ein sehr geringes Risiko für den Patienten, sofern nicht bei einem generalisierten Gefäßprozeß bzw. einem hohen internistischen Risiko von der Operation abgeraten werden muß. Von 138 in der Zeit von 1976 bis 1983 in Mainz operierten Patienten sind inzwischen 6 verstorben (am 3., 11., 41. Tag, 4. Monat postoperativ bzw. 1 und 4 Jahre nach EC/IC). In allen Fällen lag ein schweres generalisiertes Gefäßleiden vor. Das Narkoserisiko war in allen Fällen deutlich erhöht (III bis IV), der Tod erfolgte durch internistische Komplikationen. Bisher ist kein Patient gestorben, der der Narkoserisikogruppe I bis II angehört hatte. Aufgrund unserer Beobachtung ist die Forderung zu stellen, dass bereits bei flüchtigen zerebral-ischämischen Ereignissen rasch eine umfassende neurologische Diagnostik und gegebenenfalls eine Operation durchzuführen ist. Nur bei rechtzeitiger Operation kann der eigentliche Sinn der EC/IC-Operation, der prophylaktische und protektive Effekt, zur Geltung kommen.
    ISSN: 0302-4350
    E-ISSN: 1438-9428
    Source: Thieme Zeitschriftenarchive (DFG Nationallizenzen)
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  • 7
    Language: English
    In: Neurosurgical review, 1987, Vol.10 (4), p.265-267
    Description: The measurement of cerebral blood flow (CBF) in addition to cerebral computerized tomography (CT) and angiography is most reliable in cases of transient ischemic attacks (TIA) and prolonged reversible ischemic neurologic deficits (PRIND). Alterations of CBF can be detected in symptom-free intervals. The cerebrovascular reactivity to CO2 stimulus is regarded as an especially suitable tool to prove the cerebrovascular reserve. If it is diminished, cerebral angiography should be carried out since it will often show major obstructive lesions. Angiography shows no sure correlation between CBF and collateral circulation. Strong opthalmic pathways in unilateral occlusion of the internal carotid artery (ICA) often coincide with compensated or only slightly alterated CBF and relatively small infarcts in CT. In about 70% of cases of ICA occlusion, CT shows an infarct mostly in region of the middle cerebral artery (MCA). Largest infarct volumes were found in the anterior area. Although resting CBF was normal in 55% of cases of unilateral ICA occlusion, CO2 reactivity was impaired in 68% of these Cases.
    Subject(s): Neurology ; Biological and medical sciences ; Vascular diseases and vascular malformations of the nervous system ; Medical sciences ; Humans ; Middle Aged ; Cerebral Infarction - diagnosis ; Tomography, X-Ray Computed ; Cerebrovascular Circulation ; Carotid Artery, Internal ; Intracranial Arteriosclerosis - diagnosis ; Ischemic Attack, Transient - diagnosis ; Carbon Dioxide ; Cerebral Angiography ; Adolescent ; Blood Flow Velocity ; Aged, 80 and over ; Brain Ischemia - diagnosis ; Carotid Artery Diseases - diagnosis ; Adult ; Aged ; Child ; Index Medicus
    ISSN: 0344-5607
    E-ISSN: 1437-2320
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Springer Online Journal Archives (Through 1996)
    Source: © ProQuest LLC All rights reserved〈img src="https://exlibris-pub.s3.amazonaws.com/PQ_Logo.jpg" style="vertical-align:middle;margin-left:7px"〉
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  • 8
    Language: English
    In: Neurosurgical review, 1987, Vol.10 (4), p.305-307
    Description: In 12 healthy volunteers with at least an experience of six months in autogenic training (AT), the cerebral blood flow (CBF) was measured at rest, in AT and in hypnosis (H). The results were correlated with individual test profiles. The cortical flow pattern at rest of our AT trained volunteers did not show the hyperfrontality which is described in the literature. This may be interpreted as an effect of better and habitualized relaxation in long trained AT practitioners. This flow pattern corresponds to the low grades of neuroticism and aggressivity found in the tests. Furthermore an activation in central cortical areas and a deactivation in regions which are associated with acoustic and autonomous functions occur. Possible explanations for these phenomena as well as for the relatively low perfusion of the left hemisphere at rest and activation in AT are discussed. The global rise of CBF in H may be an activation effect caused by resistance against the hypnotizer: the deeper the trance, the smaller the CBF increase in the motor cortical area needed for maintaining catalepsy of the right arm and in temporal cortical fields processing acoustic inputs.
    Subject(s): Biological and medical sciences ; Relaxation. Biofeedback. Hypnosis. Selfregulation. Meditation ; Psychology. Psychoanalysis. Psychiatry ; Medical sciences ; Treatments ; Psychopathology. Psychiatry ; Arousal - physiology ; Occipital Lobe - blood supply ; Humans ; Middle Aged ; Blood Flow Velocity ; Autogenic Training ; Adult ; Male ; Cerebrovascular Circulation ; Hypnosis ; Regional Blood Flow ; Index Medicus
    ISSN: 0344-5607
    E-ISSN: 1437-2320
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Springer Online Journal Archives (Through 1996)
    Source: © ProQuest LLC All rights reserved〈img src="https://exlibris-pub.s3.amazonaws.com/PQ_Logo.jpg" style="vertical-align:middle;margin-left:7px"〉
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  • 9
    Language: English
    In: Neurosurgical review, 1987, Vol.10 (2), p.111-115
    Description: The following paper presents analysis of 182 cases of arteriovenous malformations treated surgically at the Neurosurgical Department of the Johannes Gutenberg-Universität Mainz, FRG. Although the behavior of AVMs remains unpredictable, morphological features of AVMs have an important bearing on their clinical presentation, especially the mode of bleeding.
    Subject(s): Neurology ; Biological and medical sciences ; Vascular diseases and vascular malformations of the nervous system ; Medical sciences ; Intracranial Arteriovenous Malformations - diagnostic imaging ; Humans ; Middle Aged ; Cerebral Hemorrhage - surgery ; Male ; Intracranial Arteriovenous Malformations - surgery ; Subarachnoid Hemorrhage - diagnostic imaging ; Cerebral Hemorrhage - diagnostic imaging ; Cerebral Angiography ; Adolescent ; Subarachnoid Hemorrhage - etiology ; Adult ; Female ; Subarachnoid Hemorrhage - surgery ; Cerebral Hemorrhage - etiology ; Intracranial Arteriovenous Malformations - complications ; Index Medicus
    ISSN: 0344-5607
    E-ISSN: 1437-2320
    Source: Springer Online Journal Archives (DFG Nationallizenzen)
    Source: Springer Online Journal Archives (Through 1996)
    Source: © ProQuest LLC All rights reserved〈img src="https://exlibris-pub.s3.amazonaws.com/PQ_Logo.jpg" style="vertical-align:middle;margin-left:7px"〉
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  • 10
    Language: English
    In: Treatment of Cerebral Edema, p.139-156
    Description: Referring to our previous papers [34, 35, 36, 40] concerning the treatment of peritumoral brain edema (BE) we have presented three possibilities for the assessment of antiedema treatment in brain tumor patients. By the use of these methods: determination of water and electrolyte content in the peritumoral edema,CT follow-up studies,progress of neurological condition, it is possible to estimate the quantitative effectiveness of different forms of antiedema treatment separately and in combination. This is important for the patient suffering from brain tumor since the antiedema treatment has to be adapted to the individual situation according to the presence or absence of symptoms of increased intracranial pressure (ICP), symptoms of impending herniation, as well as to the degree of peritumoral BE, the nature of the tumor, timing of craniotomy/biopsy (often determined by extrinsic factors) etc. In this study we have tested only two substances which are very important in antiedema therapy (apart from intensive care) namely, dexamethasone (D) and frusemide (F) as well as their combination (D/F).
    ISBN: 3540117512
    ISBN: 9783540117513
    Source: SpringerLink ebooks - Medicine (German Language)
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