Asymptomatic acute ischemic lesions in intracerebral hemorrhage: Its frequency, MRI features, and risk factors.

Journal of the Neurological Sciences
Eiji KitamuraKazutoshi Nishiyama

Abstract

Asymptomatic acute ischemic lesions (AIL) may be coincidentally found on brain magnetic resonance imaging (MRI) obtained during the acute phase of intracerebral hemorrhage, but its clinical significance has yet to be determined. The objective of this study is to determine the frequency of asymptomatic AIL, its characteristic features of brain MRI and risk factors in patients with acute intracerebral hemorrhage. We retrospectively reviewed the clinical information of 108 patients with intracerebral hemorrhage who underwent brain MRIs within 30 days of hospitalization between April 2013 and January 2018. We determined the frequency of asymptomatic AIL, its brain MRI features, and risk factors. AIL was found in 26 of 108 patients; symptomatic in 2 and asymptomatic in 24 (22.2%). Asymptomatic AIL were small, multiple, mainly distributed to the white matter in the anterior circulation (22/24, 91.7%), and occasionally seen in deep watershed areas (15/24, 62.5%). Only 2 patients had severe major vessel stenosis. Asymptomatic AIL was associated with high mean blood pressure (BP) on admission (> 145 mmHg), excessive drug-induced reduction in mean BP (≥ 55 mmHg), and large hemorrhage (> 31 mL in volume). Asymptomatic AIL were found in 22...Continue Reading

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