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Variations in middle cerebral artery blood flow investigated with noninvasive transcranial blood velocity measurements
Observations on blood velocity in the middle cerebral artery using transcranial Doppler ultrasound and on the ipsilateral internal carotid artery flow volume were obtained during periods of transient, rapid blood flow variations in 7 patients. Five patients were investigated after carotid endarterectomy. A further 2 patients having staged carotid endarterectomy and open heart surgery were investigated during nonpulsatile cardiopulmonary bypass. The patient selection permitted the assumptiondoi:10.1161/01.str.18.6.1025 pmid:2961104 fatcat:edj7whehmzavbd5hxloi7zqyua