2[2]Vernieri F,Pasqualetti P,Matteis M,et al.Effect of collateral blood flow and cerebral vasomotor reactivity on the outcome of carotid artery occlusion[J].Stroke,2001,32:1552-1558.
3[3]Gordon IL,Stemmer EA,Wilson SE.Redistribution of blood flow after carotid endarterectomy[J].J Vasc Surg,1995,22:349-358.
4[4]Christoforidis GA,Mohammad Y,Kehagias D,et al.Angiographic assessment of pial collaterals as a prognostic indicator following intra-arterial thrombolysis for acute ischemic stroke[J].AJNR Am J Neuroradiol,2005,26:1789-1797.
5[5]Zachrisson H,Berthelsen B,Blomstrand C,et al.Influence of poststenotic collateral pressure on blood flow velocities within high-grade carotid artery stenosis:differences between morphologic and functional measurements[J].J Vasc Surg,2001,34:263-268.
6[6]Kim GE,Cho YP,Lim SM.The anatomy of the circle of Willis as a predictive factor for intra-operative cerebral ischemia(shunt need) during carotid endarterectomy[J].Neurol Res,2002,24:237-240.
7[7]Henderson RD,Eliasziw M,Fox AJ,et al.Angiographically defined collateral circulation and risk of stroke in patients with severe carotid artery stenosis.North American Symptomatic Carotid Endarterectomy Trial (NASCET) Group[J].Stroke,2000,31:128-132.
8[8]Hendrikse J,Rutgers DR,Klijn CJM,et al.Effect of carotid endarterectomy on primary collateral blood flow in patients with severe carotid artery lesions[J].Stroke,2003,34:1650-1654.
9[9]Hoksbergen AW,Fulesdi B,Legemate DA,et al.Collateral configuration of the circle of Willis:transcranial color-coded duplex ultrasonography and comparison with postmortem anatomy[J].Stroke,2000,31:1346-1351.
10[10]Henderson RD,Phan TG,Piepgras DG,et al.Mechanisms of intracerebral hemorrhage after carotid endarterectomy[J].J Neurosurg,2001,95:964-969.