在颈动脉内膜切除术期间，经颅多普勒超声可预测脑损伤，而脑电图则不能。
Cerebral injury predicted by transcranial Doppler ultrasonography but not electroencephalography during carotid endarterectomy.
作者信息
Costin Mihaela, Rampersad Anita, Solomon Robert A, Connolly E Sander, Heyer Eric J
机构信息
Department of Anesthesiology, Columbia University, New York, New York 10032, USA.
出版信息
J Neurosurg Anesthesiol. 2002 Oct;14(4):287-92. doi: 10.1097/00008506-200210000-00003.
Abstract
When shunts are selectively used during carotid endarterectomy, the adequacy of collateral cerebral blood flow (CBF) after the carotid artery is clamped is determined by monitors based on different physiologic measurements. In this series of three patients, we used electroencephalography (EEG) to measure neuronal electrical activity and transcranial Doppler ultrasonography (TCD) to measure CBF velocity. In each of our cases, the EEG was unchanged from preclamp values, while TCD CBF velocity was dramatically reduced. All three patients had transient neuropsychometric or neurologic changes after surgery, which resolved.
摘要
在颈动脉内膜切除术中选择性使用分流器时，颈动脉夹闭后脑侧支循环血流量（CBF）是否充足由基于不同生理测量的监测器来确定。在这组三名患者中，我们使用脑电图（EEG）测量神经元电活动，并使用经颅多普勒超声（TCD）测量CBF速度。在我们的每例病例中，EEG与夹闭前的值相比没有变化，而TCD测量的CBF速度则显著降低。所有三名患者术后均出现短暂的神经心理或神经功能改变，但均已恢复。
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