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Microguidewire looping technique (to navigate stented parent artery). A: Microguidewire loop shaped before or at proximal stented segment after proper configuring of wire tip. B and C: Looped microguidewire tip advanced to distal parent artery, passing through stented segment. D: Microcatheter follows (microguidewire-assisted), advanced near neck of aneurysm. E: Microguidewire withdrawal to tip of microcatheter. F: Microcatheter eased into sac of aneurysm under microguidewire torque.
