Clipping versus coiling in unruptured anterior cerebral circulation aneurysms.

BY-NC-SA INTRODUCTION For patients with unruptured intracranial aneurysms (UIAs), the options of treatment are variable, including microsurgical clipping and endovascular coil embolization.[ 19 ] In the USA and many advanced European countries, the strategy for the treatment of UIA has changed with an increasing trend to use endovascular coiling to become the primary option for treatment.[ 5 , 19 ] On the other side in Japan, microsurgical clipping still has the upper hand in the treatment of UIA.[ 3 ] The detection of UIA in Japanese has been common and increased because of the countrywide development of medical brain checkup systems using magnetic resonance angiography (MRA) for asymptomatic persons.

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