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We aimed to determine if intracranial atheroma was more common in lacunar than in cortical ischaemic stroke.We recruited patients with lacunar stroke and controls with mild cortical stroke, confirmed the stroke subtype with magnetic resonance imaging and used transcranial Doppler ultrasound imaging to record flow velocity and focal stenoses in the basal intracranial arteries 1 month after stroke.
There was no difference in the proportion with previous stroke or transient ischaemic attack, peripheral vascular disease, hypertension, or old stroke lesions, WMLs or EPVS on MRI imaging.
the linear mixed model provided a reasonable description of the data).
As WML score and EPVS were strongly correlated, we removed EPVS from the analysis as it added very little extra information over and above that given by the WML score.
TCD was performed at a median of 44 or 48 days after lacunar or cortical stroke, respectively (p = 0.47).
There was no difference in the mean flow velocities in the proximal or distal MCAs, on the side ipsi- or contralateral to the side of the index stroke, between the lacunar and cortical stroke patients (table 2).