Department of Neurology, Harborview Medical Center, University of Washington School of Medicine, Seattle, USA.
Neurocrit Care. 2010 Oct;13(2):243-6. doi: 10.1007/s12028-009-9314-9.
Studies to assess the hemodynamic status of patients with moyamoya syndrome are often done to determine the need for surgical revascularization. These studies, including transcranial Doppler (TCD) ultrasonography to assess vasomotor reactivity (VMR) to CO(2), are generally considered safe.
We describe a patient with moyamoya syndrome who experienced a subarachnoid hemorrhage (SAH) following TCD with CO(2) challenge.
SAH has not previously been described as a complication of CO(2) challenge in patients with moyamoya syndrome. While such complications are rare, it is important to consider the possibility of harm related to VMR testing in patients with advanced vasculopathy.
评估烟雾病患者血流动力学状态的研究通常用于确定是否需要手术血运重建。这些研究包括经颅多普勒（TCD）超声检查以评估 CO₂引起的血管舒缩反应（VMR），通常被认为是安全的。
我们描述了一例烟雾病患者在 TCD 联合 CO₂ 挑战后发生蛛网膜下腔出血（SAH）的病例。
此前尚未有报道称 CO₂ 挑战会引发烟雾病患者的 SAH。虽然此类并发症较为罕见，但在考虑对血管病变严重的患者进行 VMR 检测的相关危害时，这一点非常重要。
