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: The purpose of this study is to investigate the usefulness of flow volume (FV) measurement by Duplex ultrasono-graphy (DUS) parameters in patients with acute stroke. Methods: The FV of extracranial cerebral arteries, calculated as as the pro-duct of flow velocity and the cross-sectional area of each vessel by using DUS in patients with acute stroke. The anterior circulat-ing flow volume (ACFV) was determined as the sum of the FV of the internal carotid artery (ICA), total cerebral flow volume (TCBFV) as the sum of the ACFV and the vertebral artery of both sides. The FV of each artery and TCBFV were compared accord-ing to severity of stenosis (≥70% versus <70%) and between preserved and impaired cerebrovascular reserve (CVR) measured by Single Photon Emission Computed Tomograpy (SPECT). Results: Although the FV of the ipsilateral ICA FV was decreased in more than 70% of stenosis, there was no significant differences of TCBFV. In the impaired CVR group, however, the FV of the ipsilateral ICA, ACFV, and TCBFV were decreased than in the preserved CVR group. A TCBFV of more than 546 mL/min predicated preserved CVR with 69.5% sensitivity and 71.0% specificity. Conclusion: In this study, we demonstarated FV by using DUS, correlated with CVR in patients with ischemic stroke, which is helpful to elucidate the hypoperfusional con-tribution to the stroke occurrence and to understand the hemodynamic status. (Korean J Stroke 2009;11:25-31)
목차
등록된 정보가 없습니다.
참고문헌 (37)
참고문헌 신청
Grubb RL Jr / 1998 / Importance of hemodynamic factors in the prognosis of symptomatic carotid occlusion / JAMA 280:1055~1060
Ogasawara K / 2002 / Cerebrovascular reactivity to acetazolamide and outcome in patients with symptomatic internal carotid or middle cerebral artery occlusion: a xenon-133 single-photon emission computed tomography study / Stroke 33:1857~1862
Baron JC / 1981 / Reversal of focal “misery-perfusion syndrome” by extra-intracranial arterial bypass in hemodynamic cerebral ischemia. A case study with 15O positron emission tomography / Stroke 12:454~459
Kuroda S / 1993 / Acetazolamide test in detecting reduced cerebral perfusion reserve and predicting long-term prognosis in patients with internal carotid artery occlusion / Neurosurgery 32:912~919
Ringelstein EB / 1988 / Noninvasive assessment of CO2-induced cerebral vasomotor response in normal individuals and patients with internal carotid artery occlusions / Stroke 19:963~969
Ogasawara K / 2002 / Cerebrovascular reactivity to acetazolamide and outcome in patients with symptomatic internal carotid or middle cerebral artery occlusion: a xenon-133 single-photon emission computed tomography study / Stroke 33:1857~1862
Baron JC / 1981 / Reversal of focal “misery-perfusion syndrome” by extra-intracranial arterial bypass in hemodynamic cerebral ischemia. A case study with 15O positron emission tomography / Stroke 12:454~459
Kuroda S / 1993 / Acetazolamide test in detecting reduced cerebral perfusion reserve and predicting long-term prognosis in patients with internal carotid artery occlusion / Neurosurgery 32:912~919
Ringelstein EB / 1988 / Noninvasive assessment of CO2-induced cerebral vasomotor response in normal individuals and patients with internal carotid artery occlusions / Stroke 19:963~969
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