지원사업
학술연구/단체지원/교육 등 연구자 활동을 지속하도록 DBpia가 지원하고 있어요.
커뮤니티
연구자들이 자신의 연구와 전문성을 널리 알리고, 새로운 협력의 기회를 만들 수 있는 네트워킹 공간이에요.
초록· 키워드
오류제보하기
Background and Purpose Subclinical atherosclerotic plaques are common in patients with pontine infarctions (PIs) but without basilar artery (BA) stenosis. We hypothesized that BA plaque locations may differ by PI type and vertical location as well as vertebrobasilar artery geometry. Methods Ninety-six patients with PI but without BA stenosis on magnetic resonance imaging (MRI) and magnetic resonance angiography were enrolled. PIs were classified by type (paramedian, deep, or lateral) and vertical location (rostral, middle, or caudal). Patients underwent highresolution MRI to evaluate BA plaque location (anterior, posterior, or lateral). The mid-BA angle on anteroposterior view and angle between the BA and dominant vertebral artery (BA-VA angle) on lateral view were measured. Results The PIs were paramedian (72.9%), deep (17.7%), and lateral (9.4%) type with a rostral (32.3%), middle (42.7%), and caudal (25.0%) vertical location. The BA plaque locations differed by PI type (P=0.03) and vertical location (P<0.001); BA plaques were most frequent at the posterior wall in paramedian (37.1%) and caudal (58.3%) PIs and at the lateral wall in lateral (55.5%) and middle (34.1%) PIs. The BA-VA and mid-BA angles differed by BA plaque and PI vertical location; the greatest BA-VA angle was observed in patients with posterior plaques (P<0.001) and caudal PIs (P<0.001). Greatest mid-BA angles were observed with lateral BA plaques (P=0.03) and middlelocated PIs (P=0.03). Conclusions Greater mid-BA angulation may enhance lateral plaque formation, causing lateral and middle PIs, whereas greater BA-VA angulation may enhance posterior plaque formation, causing paramedian or caudal PIs.
목차
등록된 정보가 없습니다.
참고문헌 (15)
참고문헌 신청
Bassetti C / 1996 / Isolated infarcts of the pons / Neurology 46:165~175
Kim JS / 1995 / Syndromes of pontine base infarction. A clinical-radiological correlation study / Stroke 26:950~955
Kumral E / 2002 / Clinical spectrum of pontine infarction. Clinical-MRI correlations / J Neurol 249:1659~1670
Kwon HM / 2009 / Basilar artery dolichoectasia is associated with paramedian pontine infarction / Cerebrovasc Dis 27:114~118
Klein IF / 2010 / Basilar artery atherosclerotic plaques in paramedian and lacunar pontine infarctions: a high-resolution MRI study / Stroke 41:1405~1409
Kim JS / 1995 / Syndromes of pontine base infarction. A clinical-radiological correlation study / Stroke 26:950~955
Kumral E / 2002 / Clinical spectrum of pontine infarction. Clinical-MRI correlations / J Neurol 249:1659~1670
Kwon HM / 2009 / Basilar artery dolichoectasia is associated with paramedian pontine infarction / Cerebrovasc Dis 27:114~118
Klein IF / 2010 / Basilar artery atherosclerotic plaques in paramedian and lacunar pontine infarctions: a high-resolution MRI study / Stroke 41:1405~1409
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