Basilar artery atherosclerotic disease is related to subacute lesion volume increase in pontine base infarction

J. S. KimK.-H. ChoD.-W. KangS. U. KwonD. C. Suh
Dept. of Neurology (신경과학)
Issue Date
Acta Neurologica Scandinavica, Vol.120(2) : 88-93, 2009
Background – Although b asilar artery atherosclerotic disease (BAD) is frequent in patients with pontine base infarction, it remains unknown whether BAD is related to the lesion size or clinical outcome. Methods – We studied 56 patients with unilateral pontine base infarction who underwent (i) diffusion-weighted MRI within 4 8 h after stroke onset and (ii) follow-up MRI and MR angiography in the subacute stage. Neurologic progression was defined as increased National Institutes of Health Stroke Scale score by ‡ 2 during admission. Clinical outcome was dichotomized as good and poor (‡ 3) according to the modified Rankin Scale at 1 month a fter stroke onset. Results – Twenty-t wo patients (39%) had BAD and 15 pat ients (27%) had neurologic progression. Follow-up MRI performed at median 3.5  1.1 days after the initial MRI showed the lesion volume significantly increased (P < 0.001). The BAD was not significantly related to demographic characteristics, risk factors, i nitial and f ollow-up lesion volume, neurologic progression and clinical outcome, but was closely related to the subacute increase in lesion volume (P = 0.004 for 20% increase, P = 0.029 for 50% increase). Conclusions – BAD is related to subacute increase in lesion volume, but not to ultimate poor clinical outcome in patients with pontine base infarction.
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1. Journal Papers (연구논문) > 1. School of Medicine (의과대학) > Dept. of Neurology (신경과학)
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