Author： Kähärä V.
Publisher： Blackwell Publishing
ISSN： 0284-1851
Source： Acta Radiologica, Vol.47, Iss.3, 2006-04, pp. : 320-327
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Abstract
The treatment of intracranial aneurysms has been revolutionized since the introduction of electrolytically detachable platinum coils in 1991. Since this basic innovation, many refinements of the embolic materials and techniques have emerged. Today, in Europe, half of all aneurysms are treated endoarterially and this share is growing. The reassuring results of the International Subarachnoid Aneurysm Trial (ISAT) have changed the treatment strategy from neurosurgical clipping to embolization. However, the role of these alternative modes of treatment varies between institutions and countries. An angiographic follow-up pattern after endovascular treatment has remained largely undefined and in the same way there has been much diversity in applying alternative imaging modalities. Although some institutions continue to perform intervalled digital subtraction angiography, magnetic resonance angiography has assumed an increasing role. A vast majority of patients with embolized aneurysms are eligible to be monitored solely by non-contrast three-dimensional time-of-flight technique.
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