Single-center study reveals aspect ratio independently predicts adjunctive technique need in intracranial aneurysm treatment, indicating shallower morphology increases procedural complexity.
Aneurysms with aspect and dome-to-neck ratios >1.6 usually did not require adjunctive techniques. Aneurysms with aspect and dome-to-neck ratios <1.2 almost always required adjunctive techniques. In this single-center series, aspect ratio was the independent predictor of the need for adjunctive techniques in the endovascular management of intracranial aneurysms.
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Brinjikji et al. (2009) studied this question.
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