This complaint is from a literature source.As reported in the literature publication entitled, ¿microhemorrhagic transformation of ischemic lesions on t2*-weighted magnetic resonance imaging after pipeline embolization device treatment¿ 15 patients with intracranial aneurysms, from the stent-mediated embolization group (en group), who underwent stent-assisted coil embolization developed ischemic lesions confirmed by dwi (diffusion-weighted mri) day post procedure.Objective the authors sought to demonstrate that hemorrhagic transformation of ischemic lesions is the main cause of delayed intracerebral hemorrhage (ich) after pipeline embolization device (ped) treatment and to estimate the rate of hemorrhagic transformation of new postprocedure ischemic lesions.Methods patients who underwent ped placement (ped group) from november 2015 to march 2017 or stent-mediated embolization (en group) from december 2010 to october 2015 were retrospectively analyzed.Pre- and postprocedural mr images and 6-month follow-up mr images for each patient were scored for the presence of postprocedural bland ischemic and hemorrhagic lesions using diffusion-weighted mri (dwi) and t2*-weighted mri (t2*wi), respectively.
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