Appearance of Early Venous Filling During Intra-Arterial Reperfusion Therapy for Acute Middle Cerebral Artery Occlusion A Predictive Sign for Hemorrhagic Complications
2004
Background and Purpose— The purpose of this study was to evaluate the correlation between appearance of angiographic early venous
fillingduring intra-arterial
reperfusion therapyand posttherapeutic hemorrhagic complications. Methods— For the past 7 years, 104 patients prospectively underwent
superselectivelocal angiography via a microcatheter before and during intra-arterial
reperfusion therapyfor acute
middle cerebral arteryocclusion to evaluate the presence or absence of early venous
filling. In principle,
reperfusion therapywas discontinued just after appearance of early venous
fillingfor fear of hemorrhage. There were 2 types of early venous
filling: early
fillingof the thalamostriate vein from the
lenticulostriate arteriesand that of the cortical vein from the cortical arteries. Results— Among these 104 patients, 31 (29.8%) had early venous
filling: 19 had early
fillingof the thalamostriate vein, and the other 12 had early
fillingof the cortical vein. Eight of the 19 patients (42.1%) and 2...
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