CONTEXT: @entity2806 in @entity1 with internal carotid artery (ICA) steno-occlusive disease can be categorized on the basis of their location and presumed cause: external border zone @entity1188 , internal border zone @entity1188 , cortical @entity1188 , @entity1188 , and periventricular lesions. OBJECTIVE: To evaluate the association between the prevalence and size of @entity2806 and cerebral vasomotor reactivity in @entity1 with unilateral occlusion of the ICA. DESIGN: Cross-sectional study. SETTING: Referral center. @entity1 : Seventy consecutive @entity1 were included in this study. All @entity1 had a transient or @entity717 retinal or @entity2806 that was associated with unilateral occlusion of the ICA. @entity2806 on magnetic resonance imaging were identified on hard copies, and volume measurements were obtained by a magnetic resonance workstation. Vasomotor reactivity was assessed with transcranial Doppler ultrasonography with @entity544 challenge. MAIN OUTCOME MEASURES: Prevalence and size of @entity2806 . RESULTS: In the hemisphere ipsilateral to the ICA occlusion, we found an increased prevalence of internal border zone @entity1188 (P =.01), external borders zone @entity1188 (P<.001), and territorial @entity1188 (P =.02) compared with the contralateral hemisphere. Hemispheres with a @entity544 reactivity less than or equal to 18% demonstrated a significant increase in prevalence (P =.007) and volume (P =.003) of internal border zone @entity1188 compared with hemispheres with a @entity544 reactivity greater than or equal to 19%. No association between @entity544 reactivity and any other type of @entity2806 was found. CONCLUSION: In @entity1 with an ICA occlusion, only internal border zone @entity1188 demonstrate a significant association with diminished cerebral hemodynamics.

Association between impaired XXXX reactivity and @entity2806 in arterial border zone territories in @entity1 with unilateral internal carotid artery occlusion.

@entity1 :: ('9606', 'Species') :: ['patients', 'PATIENTS'] @entity2806 :: ('MESH:D002545', 'Disease') :: ['Ischemic lesions', 'ischemic lesion', 'ischemic lesions', 'cerebral ischemia'] @entity1188 :: ('MESH:D007238', 'Disease') :: ['lacunar infarcts', 'infarcts'] @entity544 :: ('MESH:D002245', 'Chemical') :: ['carbon dioxide'] @entity717 :: ('MESH:D009069', 'Disease') :: ['minor disabling']
@entity544 :: (MESH:D002245,Chemical) :: ['carbon dioxide']
