Neurovascular Interventional Unit, University Hospital Careggi, Florence, Italy.
Interv Neuroradiol. 2024 Apr;30(2):293-296. doi: 10.1177/15910199221106036. Epub 2022 Jun 3.
Atherosclerotic stenosis of the internal carotid artery is a rare cause of pulsatile tinnitus. Stenosis responsible for tinnitus is usually located in the petrous segment of the vessel or, even more uncommonly, in the extracranial segment. However, to the best of our knowledge, a stenosis of the intradural supraclinoid segment of the internal carotid had never been reported as a source of pulsatile tinnitus. We describe the case of a man with a history of previous ischaemic stroke and invalidating pulsatile tinnitus, caused by a high grade, diaphragm-like shaped, stenosis of the supraclinoid internal carotid artery. The stenosis was treated with angioplasty and stenting with a low-profile self-expanding high radial force stent (Acclino flex HRF, Acandis). Tinnitus disappeared immediately after the procedure. At the two-year follow-up no recurrence of the tinnitus and the stenosis occurred. Intradural internal carotid artery stenosis should be considered as a very rare cause of pulsatile tinnitus.
颈内动脉粥样硬化性狭窄是引起搏动性耳鸣的罕见原因。引起耳鸣的狭窄通常位于血管的岩骨段,甚至更罕见的位于颅外段。然而,据我们所知,颈内动脉颅内段的硬膜内虹吸段狭窄从未被报道为搏动性耳鸣的来源。我们描述了一例既往有缺血性脑卒中病史且耳鸣致残的男性患者,其病因是高分级、隔膜样的颈内动脉虹吸段狭窄。该狭窄采用低压自膨式高径向支撑力支架(Acclino flex HRF,Acandis)进行了血管成形术和支架置入治疗。该手术完成后,耳鸣立即消失。在两年的随访中,耳鸣和狭窄均未复发。硬膜内颈内动脉狭窄应被视为搏动性耳鸣的一种非常罕见的原因。