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Table 1: Patient characteristics and hemodynamic impairment in hemispheres distal to stenoses
Patient No./Age (y)/Sex Cerebrovascular History Vascular Pathology Hemodynamic Impairment in Hemispheres Distal to Stenoses
Defined by Normal Ranges Defined by % Change
CBV (mL/100 g) MTT (s) CBF MTT
1/81/M Asymptomatic Stenotic right ICA, 95% 
2/61/F Asymptomatic Stenotic left MCA, 70% 5.5, prolonged 
3/83/M Asymptomatic Stenotic left ICA, 95% 6.1, increased 6.3, prolonged 
4/54/M Asymptomatic Stenotic left ICA, 75% 5.1, prolonged 3.2
5/64/F Asymptomatic Stenotic left MCA, 90% 
6/63/F TIA Occluded left MCA 
7/49/M TIA Occluded left MCA 6.0
8/73/M TIA Occluded left ICA 5.5, prolonged 
9/73/M TIA Occluded left MCA 6.8, prolonged 
10/58/M TIA Occluded right MCA 
11/75/M TIA Stenotic right ICA, 75% 
12/68/M TIA Occluded right ICA 8.9, prolonged −20.8 14.3
13/82/F RIND Stenotic right ICA, 95% 19.8
14/74/F Minor stroke Occluded right MCA 6.2, prolonged −25.7 58.4
15/66/F Minor stroke Stenotic left MCA, 70% −31.6 93.7
Note:—CBV indicates cerebral blood volume; CBF, cerebral blood flow; MTT, mean transit time. TIA, transient ischemic attack; RIND, reversible ischemic neurologic deficits; ICA, internal carotid artery; MCA, middle cerebral artery.