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Article
Retrieval of Migrated Volume Coils Using Different Clot Retrievers in a Porcine Model
During endovascular treatment of intracranial aneurysms using coils, migration is a serious complication that increases neurological morbidity. The aim of this experimental study was to assess the effectivenes...
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Article
In vitro, contrast agent-based evaluation of the influence of flow diverter size and position on intra-aneurysmal flow dynamics using syngo iFlow
Treatment of intracranial aneurysm with flow-diverting devices has become widespread in recent years. Despite that, intra-aneurysmal flow changes are yet not fully understood and can lead to different complica...
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Article
An unusual cause of vertigo and headache in childhood
Spinal perimedullary arteriovenous fistulas (PMAVFs) are rare entities among vascular malformations of the spinal cord. Due to progressive myelopathy, spastic paresis, sensory disturbance, and bowl and bladder...
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Article
Evaluation of occurring complications after flow diverter treatment of elastase-induced aneurysm in rabbits using micro-CT and MRI at 9.4 T
Flow diverters are increasingly being used to treat intracranial aneurysms. This study evaluates occurring complications of flow-diverting devices in the treatment of experimental aneurysms, involving the use ...
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Article
Evaluation of a newly designed flow diverter for the treatment of intracranial aneurysms in an elastase-induced aneurysm model, in New Zealand white rabbits
In this study, we analyzed angiographic and histologic aneurysm occlusion of a newly designed flow-diverting device. Visibility and flexibility, as well as occlusions of side branches and neointimal proliferat...
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Chapter and Conference Paper
The Frontal and Temporal Horn Ratio to Assess Dimension of Paediatric Hydrocephalus: A Comparative Volumetric Study
Magnetic resonance imaging and cranial ultrasound are the most frequently implemented imaging methods for investigating the infantile hydrocephalic brain. A general and reliable measurement index that can be ...
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Article
Schumpeter und die Krise
Schumpeters Werk ist für die aktuelle Finanzkrise in zweifacher Hinsicht bedeutend. Zum einen basiert auf seinen Vorstellungen das Missverständnis, dass Finanzmärkten eine Tendenz zum Gleichgewicht innewohnt. ...
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Article
Reformpolitik im Gerechtigkeitsdilemma
Die „Hartz-Reformen“ werden in der öffentlichen Meinung oft als ungerecht kritisiert. Das hat die Frage aufgeworfen, inwieweit rationale Wirtschaftspolitik auch gerecht sein kann. Wie definiert s...
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Article
Soziale Marktwirtschaft in der pluralistischen Gesellschaft
Der Inhalt der Leitkonzeption „Soziale Marktwirtschaft“ hat sich langfristig gewandelt. Worin besteht der Unterschied zwischen ihrer früheren und ihrer heutigen Bedeutung? Entspricht das ursprüng...
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Article
Weltweiter Globalisierungsprozeß erfordert gestaltende Eingriffe der Politik
In der Januarausgabe 2007 des WIRTSCHAFTSDIENST veröffentlichten wir einen Aufsatz von Professor Thomas Apolte mit dem Titel „Warum die Politik die Globalisierung nicht liebt“. Hierzu eine Replik...
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Chapter and Conference Paper
On Minimizing Cover Automata for Finite Languages in O(n log n) Time
A deterministic finite automaton (DFA) A is called a cover automaton (DFCA) for a finite language L over some alphabet σ if L = L(A) ∩ σ≤l, with l being the length of some longest word in L. Thus a word w ∈ σ* is...
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Article
The franc zone of West and Central Africa
In the francophone countries of West and Central Africa a currency system has long been in place which was originally based on the French franc and is now based on the euro.
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Article
The future of the ACP countries
The record to date of trade and development cooperation between the European Union and the ACP countries has been rather disappointing. Evidently, neither the non-reciprocal trade preferences granted to the AC...
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Article
The “brain drain” from develo** countries — An enduring problem
For several decades there has been a migration of highly qualified workers from develo** to industrial countries. What are the causes of this “brain drain”, which many regard as a subsidy from the poor to th...
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Article
The “Third World” in the 1990s
Given that the develo** countries today present a highly differentiated picture, is it appropriate to continue to speak of a “Third World”? If so, how does this group of countries appear to the present-day o...
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Article
Book reviews
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Article
Book reviews
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Article
Rezensionen
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Article
Future trends in international migration
According to a projection by the World Bank, international migration will decline significantly over the next decade. This projection not only assumes a narrowing of the welfare gap between industrialised and ...
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Article
Problems of migrant workers' return to their home countries
Germany's migration statistics for 1982 and 1983 show, for the first time in some years, an excess of out migration over immigration of foreign workers and their families. What are the problems facing the retu...
