Johansson E, Fox A J
From the Department of Pharmacology and Clinical Neuroscience (E.J.), Umeå University, Umeå, Sweden
Department of Neuroradiology (A.J.F.), Sunnybrook Heath Sciences Centre, University of Toronto, Toronto, Ontario, Canada.
AJNR Am J Neuroradiol. 2016 Jan;37(1):2-10. doi: 10.3174/ajnr.A4432. Epub 2015 Aug 27.
Carotid near-occlusion is distal ICA luminal collapse beyond a tight stenosis, where the distal lumen should not be used for calculating percentage stenosis. Near-occlusion with full ICA collapse is well-known, with a threadlike lumen. However, near-occlusion without collapse is often subtle and can be overlooked as a usual severe stenosis. More than 10 different terms have been used to describe near-occlusion, sometimes causing confusion. This systematic review presents what is known about carotid near-occlusion. In this first part, the foci are definition, terminology, and diagnosis.
颈动脉近闭塞是指颈内动脉（ICA）管腔在严重狭窄远端发生塌陷，远端管腔不应被用于计算狭窄百分比。完全性颈内动脉塌陷的近闭塞情况是众所周知的，其管腔呈线状。然而，无塌陷的近闭塞情况往往较为隐匿，可能会被视为普通的严重狭窄而被忽视。已有超过10种不同的术语用于描述近闭塞，这有时会导致混淆。本系统评价介绍了关于颈动脉近闭塞的已知情况。在第一部分中，重点是定义、术语和诊断。
